mercurial/templateutil.py
author Augie Fackler <augie@google.com>
Wed, 12 Sep 2018 11:38:46 -0400
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parent 39368 5b1d406b39f1
child 39582 28f974d83c0a
permissions -rw-r--r--
tests: handle Python 3 not quoting non-empty-directory error I assume this happens on Windows too, so I did the same regex on both versions of the output. The whole message printed by these aborts comes from Python, so if we want to exert control over the quoting here it'll be a bit of a pain. Differential Revision: https://phab.mercurial-scm.org/D4546
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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# templateutil.py - utility for template evaluation
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#
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# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import abc
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import types
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from .i18n import _
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from . import (
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    error,
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    pycompat,
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    util,
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)
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from .utils import (
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    dateutil,
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    stringutil,
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)
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class ResourceUnavailable(error.Abort):
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    pass
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class TemplateNotFound(error.Abort):
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    pass
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class wrapped(object):
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    """Object requiring extra conversion prior to displaying or processing
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    as value
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    Use unwrapvalue() or unwrapastype() to obtain the inner object.
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    """
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    __metaclass__ = abc.ABCMeta
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    @abc.abstractmethod
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    def contains(self, context, mapping, item):
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        """Test if the specified item is in self
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        The item argument may be a wrapped object.
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        """
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    @abc.abstractmethod
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    def getmember(self, context, mapping, key):
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        """Return a member item for the specified key
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        The key argument may be a wrapped object.
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        A returned object may be either a wrapped object or a pure value
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        depending on the self type.
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        """
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    @abc.abstractmethod
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    def getmin(self, context, mapping):
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        """Return the smallest item, which may be either a wrapped or a pure
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        value depending on the self type"""
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    @abc.abstractmethod
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    def getmax(self, context, mapping):
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        """Return the largest item, which may be either a wrapped or a pure
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        value depending on the self type"""
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    @abc.abstractmethod
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    def filter(self, context, mapping, select):
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        """Return new container of the same type which includes only the
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        selected elements
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        select() takes each item as a wrapped object and returns True/False.
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        """
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    @abc.abstractmethod
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    def itermaps(self, context):
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        """Yield each template mapping"""
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    @abc.abstractmethod
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    def join(self, context, mapping, sep):
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        """Join items with the separator; Returns a bytes or (possibly nested)
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        generator of bytes
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        A pre-configured template may be rendered per item if this container
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        holds unprintable items.
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        """
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    @abc.abstractmethod
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    def show(self, context, mapping):
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        """Return a bytes or (possibly nested) generator of bytes representing
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        the underlying object
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        A pre-configured template may be rendered if the underlying object is
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        not printable.
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        """
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    @abc.abstractmethod
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    def tobool(self, context, mapping):
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        """Return a boolean representation of the inner value"""
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    @abc.abstractmethod
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    def tovalue(self, context, mapping):
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        """Move the inner value object out or create a value representation
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        A returned value must be serializable by templaterfilters.json().
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        """
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class mappable(object):
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    """Object which can be converted to a single template mapping"""
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    def itermaps(self, context):
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        yield self.tomap(context)
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    @abc.abstractmethod
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    def tomap(self, context):
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        """Create a single template mapping representing this"""
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class wrappedbytes(wrapped):
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    """Wrapper for byte string"""
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    def __init__(self, value):
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        self._value = value
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    def contains(self, context, mapping, item):
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        item = stringify(context, mapping, item)
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        return item in self._value
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    def getmember(self, context, mapping, key):
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        raise error.ParseError(_('%r is not a dictionary')
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                               % pycompat.bytestr(self._value))
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    def getmin(self, context, mapping):
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        return self._getby(context, mapping, min)
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    def getmax(self, context, mapping):
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        return self._getby(context, mapping, max)
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    def _getby(self, context, mapping, func):
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        if not self._value:
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            raise error.ParseError(_('empty string'))
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        return func(pycompat.iterbytestr(self._value))
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    def filter(self, context, mapping, select):
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        raise error.ParseError(_('%r is not filterable')
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                               % pycompat.bytestr(self._value))
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    def itermaps(self, context):
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        raise error.ParseError(_('%r is not iterable of mappings')
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                               % pycompat.bytestr(self._value))
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    def join(self, context, mapping, sep):
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        return joinitems(pycompat.iterbytestr(self._value), sep)
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    def show(self, context, mapping):
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        return self._value
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    def tobool(self, context, mapping):
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        return bool(self._value)
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    def tovalue(self, context, mapping):
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        return self._value
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class wrappedvalue(wrapped):
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    """Generic wrapper for pure non-list/dict/bytes value"""
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    def __init__(self, value):
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        self._value = value
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    def contains(self, context, mapping, item):
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        raise error.ParseError(_("%r is not iterable") % self._value)
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    def getmember(self, context, mapping, key):
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        raise error.ParseError(_('%r is not a dictionary') % self._value)
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    def getmin(self, context, mapping):
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        raise error.ParseError(_("%r is not iterable") % self._value)
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    def getmax(self, context, mapping):
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        raise error.ParseError(_("%r is not iterable") % self._value)
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    def filter(self, context, mapping, select):
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        raise error.ParseError(_("%r is not iterable") % self._value)
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    def itermaps(self, context):
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        raise error.ParseError(_('%r is not iterable of mappings')
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                               % self._value)
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    def join(self, context, mapping, sep):
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        raise error.ParseError(_('%r is not iterable') % self._value)
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    def show(self, context, mapping):
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        if self._value is None:
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            return b''
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        return pycompat.bytestr(self._value)
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    def tobool(self, context, mapping):
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        if self._value is None:
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            return False
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        if isinstance(self._value, bool):
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            return self._value
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        # otherwise evaluate as string, which means 0 is True
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        return bool(pycompat.bytestr(self._value))
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    def tovalue(self, context, mapping):
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        return self._value
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class date(mappable, wrapped):
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    """Wrapper for date tuple"""
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    def __init__(self, value, showfmt='%d %d'):
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        # value may be (float, int), but public interface shouldn't support
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        # floating-point timestamp
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        self._unixtime, self._tzoffset = map(int, value)
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        self._showfmt = showfmt
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    def contains(self, context, mapping, item):
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        raise error.ParseError(_('date is not iterable'))
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    def getmember(self, context, mapping, key):
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        raise error.ParseError(_('date is not a dictionary'))
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    def getmin(self, context, mapping):
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        raise error.ParseError(_('date is not iterable'))
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    def getmax(self, context, mapping):
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        raise error.ParseError(_('date is not iterable'))
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    def filter(self, context, mapping, select):
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        raise error.ParseError(_('date is not iterable'))
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    def join(self, context, mapping, sep):
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        raise error.ParseError(_("date is not iterable"))
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    def show(self, context, mapping):
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        return self._showfmt % (self._unixtime, self._tzoffset)
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    def tomap(self, context):
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        return {'unixtime': self._unixtime, 'tzoffset': self._tzoffset}
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    def tobool(self, context, mapping):
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        return True
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    def tovalue(self, context, mapping):
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        return (self._unixtime, self._tzoffset)
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class hybrid(wrapped):
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    """Wrapper for list or dict to support legacy template
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    This class allows us to handle both:
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    - "{files}" (legacy command-line-specific list hack) and
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    - "{files % '{file}\n'}" (hgweb-style with inlining and function support)
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   250
    and to access raw values:
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   251
    - "{ifcontains(file, files, ...)}", "{ifcontains(key, extras, ...)}"
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    - "{get(extras, key)}"
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   253
    - "{files|json}"
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   254
    """
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   255
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    def __init__(self, gen, values, makemap, joinfmt, keytype=None):
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        self._gen = gen  # generator or function returning generator
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        self._values = values
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        self._makemap = makemap
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        self._joinfmt = joinfmt
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        self._keytype = keytype  # hint for 'x in y' where type(x) is unresolved
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   262
38267
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    def contains(self, context, mapping, item):
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        item = unwrapastype(context, mapping, item, self._keytype)
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        return item in self._values
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   266
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    def getmember(self, context, mapping, key):
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        # TODO: maybe split hybrid list/dict types?
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        if not util.safehasattr(self._values, 'get'):
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            raise error.ParseError(_('not a dictionary'))
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        key = unwrapastype(context, mapping, key, self._keytype)
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        return self._wrapvalue(key, self._values.get(key))
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   273
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    def getmin(self, context, mapping):
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        return self._getby(context, mapping, min)
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   276
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    def getmax(self, context, mapping):
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        return self._getby(context, mapping, max)
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   279
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    def _getby(self, context, mapping, func):
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   281
        if not self._values:
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   282
            raise error.ParseError(_('empty sequence'))
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   283
        val = func(self._values)
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        return self._wrapvalue(val, val)
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   285
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    def _wrapvalue(self, key, val):
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   287
        if val is None:
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   288
            return
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   289
        if util.safehasattr(val, '_makemap'):
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   290
            # a nested hybrid list/dict, which has its own way of map operation
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   291
            return val
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   292
        return hybriditem(None, key, val, self._makemap)
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   293
38448
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   294
    def filter(self, context, mapping, select):
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   295
        if util.safehasattr(self._values, 'get'):
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   296
            values = {k: v for k, v in self._values.iteritems()
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   297
                      if select(self._wrapvalue(k, v))}
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   298
        else:
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   299
            values = [v for v in self._values if select(self._wrapvalue(v, v))]
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   300
        return hybrid(None, values, self._makemap, self._joinfmt, self._keytype)
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   301
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c2f74b8f6b7f templater: pass context to itermaps() for future extension
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   302
    def itermaps(self, context):
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   303
        makemap = self._makemap
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   304
        for x in self._values:
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   305
            yield makemap(x)
37273
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diff changeset
   306
37327
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   307
    def join(self, context, mapping, sep):
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diff changeset
   308
        # TODO: switch gen to (context, mapping) API?
37329
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diff changeset
   309
        return joinitems((self._joinfmt(x) for x in self._values), sep)
37327
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   310
37273
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   311
    def show(self, context, mapping):
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   312
        # TODO: switch gen to (context, mapping) API?
37275
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   313
        gen = self._gen
37325
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   314
        if gen is None:
37327
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   315
            return self.join(context, mapping, ' ')
37273
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   316
        if callable(gen):
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   317
            return gen()
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   318
        return gen
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diff changeset
   319
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   320
    def tobool(self, context, mapping):
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diff changeset
   321
        return bool(self._values)
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diff changeset
   322
37279
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diff changeset
   323
    def tovalue(self, context, mapping):
38269
cf8d210dfac4 templater: drop hybrid-ness on unwrapvalue()
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parents: 38268
diff changeset
   324
        # TODO: make it non-recursive for trivial lists/dicts
cf8d210dfac4 templater: drop hybrid-ness on unwrapvalue()
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diff changeset
   325
        xs = self._values
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diff changeset
   326
        if util.safehasattr(xs, 'get'):
cf8d210dfac4 templater: drop hybrid-ness on unwrapvalue()
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parents: 38268
diff changeset
   327
            return {k: unwrapvalue(context, mapping, v)
cf8d210dfac4 templater: drop hybrid-ness on unwrapvalue()
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parents: 38268
diff changeset
   328
                    for k, v in xs.iteritems()}
cf8d210dfac4 templater: drop hybrid-ness on unwrapvalue()
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diff changeset
   329
        return [unwrapvalue(context, mapping, x) for x in xs]
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
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diff changeset
   330
38284
e72697893c93 templater: promote tomap() to an interface type
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diff changeset
   331
class hybriditem(mappable, wrapped):
36921
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diff changeset
   332
    """Wrapper for non-list/dict object to support map operation
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
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diff changeset
   333
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diff changeset
   334
    This class allows us to handle both:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
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diff changeset
   335
    - "{manifest}"
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
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diff changeset
   336
    - "{manifest % '{rev}:{node}'}"
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diff changeset
   337
    - "{manifest.rev}"
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diff changeset
   338
    """
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diff changeset
   339
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diff changeset
   340
    def __init__(self, gen, key, value, makemap):
37276
b4630e332a99 templater: drop unneeded generator from mappable object
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diff changeset
   341
        self._gen = gen  # generator or function returning generator
36921
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diff changeset
   342
        self._key = key
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diff changeset
   343
        self._value = value  # may be generator of strings
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diff changeset
   344
        self._makemap = makemap
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diff changeset
   345
38284
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diff changeset
   346
    def tomap(self, context):
36921
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diff changeset
   347
        return self._makemap(self._key)
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diff changeset
   348
38267
fb874fc1d9b4 templater: abstract ifcontains() over wrapped types
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diff changeset
   349
    def contains(self, context, mapping, item):
fb874fc1d9b4 templater: abstract ifcontains() over wrapped types
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diff changeset
   350
        w = makewrapped(context, mapping, self._value)
fb874fc1d9b4 templater: abstract ifcontains() over wrapped types
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diff changeset
   351
        return w.contains(context, mapping, item)
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diff changeset
   352
38243
06d11cd90516 templater: promote getmember() to an interface of wrapped types
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diff changeset
   353
    def getmember(self, context, mapping, key):
06d11cd90516 templater: promote getmember() to an interface of wrapped types
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diff changeset
   354
        w = makewrapped(context, mapping, self._value)
06d11cd90516 templater: promote getmember() to an interface of wrapped types
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parents: 38242
diff changeset
   355
        return w.getmember(context, mapping, key)
06d11cd90516 templater: promote getmember() to an interface of wrapped types
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parents: 38242
diff changeset
   356
38265
41ae9b3cbfb9 templater: abstract min/max away
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diff changeset
   357
    def getmin(self, context, mapping):
41ae9b3cbfb9 templater: abstract min/max away
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diff changeset
   358
        w = makewrapped(context, mapping, self._value)
41ae9b3cbfb9 templater: abstract min/max away
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diff changeset
   359
        return w.getmin(context, mapping)
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diff changeset
   360
41ae9b3cbfb9 templater: abstract min/max away
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diff changeset
   361
    def getmax(self, context, mapping):
41ae9b3cbfb9 templater: abstract min/max away
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diff changeset
   362
        w = makewrapped(context, mapping, self._value)
41ae9b3cbfb9 templater: abstract min/max away
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diff changeset
   363
        return w.getmax(context, mapping)
41ae9b3cbfb9 templater: abstract min/max away
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diff changeset
   364
38448
dae829b4de78 templater: introduce filter() function to remove empty items from list
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diff changeset
   365
    def filter(self, context, mapping, select):
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   366
        w = makewrapped(context, mapping, self._value)
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diff changeset
   367
        return w.filter(context, mapping, select)
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diff changeset
   368
37327
ebf139cbd4a1 templater: abstract away from joinfmt
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diff changeset
   369
    def join(self, context, mapping, sep):
38228
8bded7eae26c templater: consistently join() string-like object per character (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 38226
diff changeset
   370
        w = makewrapped(context, mapping, self._value)
8bded7eae26c templater: consistently join() string-like object per character (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 38226
diff changeset
   371
        return w.join(context, mapping, sep)
37327
ebf139cbd4a1 templater: abstract away from joinfmt
Yuya Nishihara <yuya@tcha.org>
parents: 37326
diff changeset
   372
37273
83e1bbd48991 templater: define interface for objects requiring unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37272
diff changeset
   373
    def show(self, context, mapping):
83e1bbd48991 templater: define interface for objects requiring unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37272
diff changeset
   374
        # TODO: switch gen to (context, mapping) API?
37275
8c84dc8264dc templater: mark .gen as a private attribute
Yuya Nishihara <yuya@tcha.org>
parents: 37273
diff changeset
   375
        gen = self._gen
37276
b4630e332a99 templater: drop unneeded generator from mappable object
Yuya Nishihara <yuya@tcha.org>
parents: 37275
diff changeset
   376
        if gen is None:
b4630e332a99 templater: drop unneeded generator from mappable object
Yuya Nishihara <yuya@tcha.org>
parents: 37275
diff changeset
   377
            return pycompat.bytestr(self._value)
37273
83e1bbd48991 templater: define interface for objects requiring unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37272
diff changeset
   378
        if callable(gen):
83e1bbd48991 templater: define interface for objects requiring unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37272
diff changeset
   379
            return gen()
83e1bbd48991 templater: define interface for objects requiring unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37272
diff changeset
   380
        return gen
83e1bbd48991 templater: define interface for objects requiring unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37272
diff changeset
   381
38289
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   382
    def tobool(self, context, mapping):
38447
b6294c113794 templater: fix truth testing of integer 0 taken from a list/dict
Yuya Nishihara <yuya@tcha.org>
parents: 38299
diff changeset
   383
        w = makewrapped(context, mapping, self._value)
b6294c113794 templater: fix truth testing of integer 0 taken from a list/dict
Yuya Nishihara <yuya@tcha.org>
parents: 38299
diff changeset
   384
        return w.tobool(context, mapping)
38289
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   385
37279
26f6fc179e62 templater: define interface for objects requiring unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37278
diff changeset
   386
    def tovalue(self, context, mapping):
26f6fc179e62 templater: define interface for objects requiring unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37278
diff changeset
   387
        return _unthunk(context, mapping, self._value)
26f6fc179e62 templater: define interface for objects requiring unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37278
diff changeset
   388
37399
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   389
class _mappingsequence(wrapped):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   390
    """Wrapper for sequence of template mappings
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   391
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   392
    This represents an inner template structure (i.e. a list of dicts),
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   393
    which can also be rendered by the specified named/literal template.
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   394
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   395
    Template mappings may be nested.
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   396
    """
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   397
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   398
    def __init__(self, name=None, tmpl=None, sep=''):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   399
        if name is not None and tmpl is not None:
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   400
            raise error.ProgrammingError('name and tmpl are mutually exclusive')
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   401
        self._name = name
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   402
        self._tmpl = tmpl
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   403
        self._defaultsep = sep
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   404
38267
fb874fc1d9b4 templater: abstract ifcontains() over wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38266
diff changeset
   405
    def contains(self, context, mapping, item):
fb874fc1d9b4 templater: abstract ifcontains() over wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38266
diff changeset
   406
        raise error.ParseError(_('not comparable'))
fb874fc1d9b4 templater: abstract ifcontains() over wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38266
diff changeset
   407
38243
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   408
    def getmember(self, context, mapping, key):
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   409
        raise error.ParseError(_('not a dictionary'))
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   410
38265
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   411
    def getmin(self, context, mapping):
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   412
        raise error.ParseError(_('not comparable'))
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   413
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   414
    def getmax(self, context, mapping):
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   415
        raise error.ParseError(_('not comparable'))
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   416
38448
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   417
    def filter(self, context, mapping, select):
38449
bc8d925342f0 templater: extend filter() to accept template expression for emptiness test
Yuya Nishihara <yuya@tcha.org>
parents: 38448
diff changeset
   418
        # implement if necessary; we'll need a wrapped type for a mapping dict
38448
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   419
        raise error.ParseError(_('not filterable without template'))
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   420
37399
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   421
    def join(self, context, mapping, sep):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   422
        mapsiter = _iteroverlaymaps(context, mapping, self.itermaps(context))
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   423
        if self._name:
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   424
            itemiter = (context.process(self._name, m) for m in mapsiter)
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   425
        elif self._tmpl:
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   426
            itemiter = (context.expand(self._tmpl, m) for m in mapsiter)
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   427
        else:
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   428
            raise error.ParseError(_('not displayable without template'))
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   429
        return joinitems(itemiter, sep)
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   430
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   431
    def show(self, context, mapping):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   432
        return self.join(context, mapping, self._defaultsep)
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   433
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   434
    def tovalue(self, context, mapping):
37502
40c7347f6848 formatter: remove template resources from nested items before generating JSON
Yuya Nishihara <yuya@tcha.org>
parents: 37499
diff changeset
   435
        knownres = context.knownresourcekeys()
40c7347f6848 formatter: remove template resources from nested items before generating JSON
Yuya Nishihara <yuya@tcha.org>
parents: 37499
diff changeset
   436
        items = []
40c7347f6848 formatter: remove template resources from nested items before generating JSON
Yuya Nishihara <yuya@tcha.org>
parents: 37499
diff changeset
   437
        for nm in self.itermaps(context):
40c7347f6848 formatter: remove template resources from nested items before generating JSON
Yuya Nishihara <yuya@tcha.org>
parents: 37499
diff changeset
   438
            # drop internal resources (recursively) which shouldn't be displayed
40c7347f6848 formatter: remove template resources from nested items before generating JSON
Yuya Nishihara <yuya@tcha.org>
parents: 37499
diff changeset
   439
            lm = context.overlaymap(mapping, nm)
40c7347f6848 formatter: remove template resources from nested items before generating JSON
Yuya Nishihara <yuya@tcha.org>
parents: 37499
diff changeset
   440
            items.append({k: unwrapvalue(context, lm, v)
40c7347f6848 formatter: remove template resources from nested items before generating JSON
Yuya Nishihara <yuya@tcha.org>
parents: 37499
diff changeset
   441
                          for k, v in nm.iteritems() if k not in knownres})
40c7347f6848 formatter: remove template resources from nested items before generating JSON
Yuya Nishihara <yuya@tcha.org>
parents: 37499
diff changeset
   442
        return items
37399
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   443
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   444
class mappinggenerator(_mappingsequence):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   445
    """Wrapper for generator of template mappings
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   446
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   447
    The function ``make(context, *args)`` should return a generator of
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   448
    mapping dicts.
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   449
    """
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   450
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   451
    def __init__(self, make, args=(), name=None, tmpl=None, sep=''):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   452
        super(mappinggenerator, self).__init__(name, tmpl, sep)
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   453
        self._make = make
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   454
        self._args = args
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   455
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   456
    def itermaps(self, context):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   457
        return self._make(context, *self._args)
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   458
38289
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   459
    def tobool(self, context, mapping):
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   460
        return _nonempty(self.itermaps(context))
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   461
37399
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   462
class mappinglist(_mappingsequence):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   463
    """Wrapper for list of template mappings"""
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   464
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   465
    def __init__(self, mappings, name=None, tmpl=None, sep=''):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   466
        super(mappinglist, self).__init__(name, tmpl, sep)
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   467
        self._mappings = mappings
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   468
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   469
    def itermaps(self, context):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   470
        return iter(self._mappings)
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   471
38289
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   472
    def tobool(self, context, mapping):
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   473
        return bool(self._mappings)
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   474
37499
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   475
class mappedgenerator(wrapped):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   476
    """Wrapper for generator of strings which acts as a list
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   477
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   478
    The function ``make(context, *args)`` should return a generator of
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   479
    byte strings, or a generator of (possibly nested) generators of byte
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   480
    strings (i.e. a generator for a list of byte strings.)
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   481
    """
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   482
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   483
    def __init__(self, make, args=()):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   484
        self._make = make
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   485
        self._args = args
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   486
38267
fb874fc1d9b4 templater: abstract ifcontains() over wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38266
diff changeset
   487
    def contains(self, context, mapping, item):
fb874fc1d9b4 templater: abstract ifcontains() over wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38266
diff changeset
   488
        item = stringify(context, mapping, item)
fb874fc1d9b4 templater: abstract ifcontains() over wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38266
diff changeset
   489
        return item in self.tovalue(context, mapping)
fb874fc1d9b4 templater: abstract ifcontains() over wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38266
diff changeset
   490
37499
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   491
    def _gen(self, context):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   492
        return self._make(context, *self._args)
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   493
38243
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   494
    def getmember(self, context, mapping, key):
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   495
        raise error.ParseError(_('not a dictionary'))
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   496
38265
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   497
    def getmin(self, context, mapping):
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   498
        return self._getby(context, mapping, min)
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   499
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   500
    def getmax(self, context, mapping):
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   501
        return self._getby(context, mapping, max)
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   502
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   503
    def _getby(self, context, mapping, func):
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   504
        xs = self.tovalue(context, mapping)
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   505
        if not xs:
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   506
            raise error.ParseError(_('empty sequence'))
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   507
        return func(xs)
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38244
diff changeset
   508
38448
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   509
    @staticmethod
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   510
    def _filteredgen(context, mapping, make, args, select):
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   511
        for x in make(context, *args):
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   512
            s = stringify(context, mapping, x)
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   513
            if select(wrappedbytes(s)):
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   514
                yield s
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   515
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   516
    def filter(self, context, mapping, select):
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   517
        args = (mapping, self._make, self._args, select)
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   518
        return mappedgenerator(self._filteredgen, args)
dae829b4de78 templater: introduce filter() function to remove empty items from list
Yuya Nishihara <yuya@tcha.org>
parents: 38447
diff changeset
   519
37499
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   520
    def itermaps(self, context):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   521
        raise error.ParseError(_('list of strings is not mappable'))
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   522
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   523
    def join(self, context, mapping, sep):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   524
        return joinitems(self._gen(context), sep)
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   525
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   526
    def show(self, context, mapping):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   527
        return self.join(context, mapping, '')
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   528
38289
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   529
    def tobool(self, context, mapping):
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   530
        return _nonempty(self._gen(context))
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   531
37499
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   532
    def tovalue(self, context, mapping):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   533
        return [stringify(context, mapping, x) for x in self._gen(context)]
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   534
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   535
def hybriddict(data, key='key', value='value', fmt=None, gen=None):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   536
    """Wrap data to support both dict-like and string-like operations"""
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   537
    prefmt = pycompat.identity
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   538
    if fmt is None:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   539
        fmt = '%s=%s'
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   540
        prefmt = pycompat.bytestr
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   541
    return hybrid(gen, data, lambda k: {key: k, value: data[k]},
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   542
                  lambda k: fmt % (prefmt(k), prefmt(data[k])))
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   543
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   544
def hybridlist(data, name, fmt=None, gen=None):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   545
    """Wrap data to support both list-like and string-like operations"""
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   546
    prefmt = pycompat.identity
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   547
    if fmt is None:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   548
        fmt = '%s'
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   549
        prefmt = pycompat.bytestr
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   550
    return hybrid(gen, data, lambda x: {name: x}, lambda x: fmt % prefmt(x))
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   551
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   552
def compatdict(context, mapping, name, data, key='key', value='value',
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   553
               fmt=None, plural=None, separator=' '):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   554
    """Wrap data like hybriddict(), but also supports old-style list template
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   555
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   556
    This exists for backward compatibility with the old-style template. Use
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   557
    hybriddict() for new template keywords.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   558
    """
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   559
    c = [{key: k, value: v} for k, v in data.iteritems()]
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   560
    f = _showcompatlist(context, mapping, name, c, plural, separator)
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   561
    return hybriddict(data, key=key, value=value, fmt=fmt, gen=f)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   562
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   563
def compatlist(context, mapping, name, data, element=None, fmt=None,
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   564
               plural=None, separator=' '):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   565
    """Wrap data like hybridlist(), but also supports old-style list template
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   566
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   567
    This exists for backward compatibility with the old-style template. Use
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   568
    hybridlist() for new template keywords.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   569
    """
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   570
    f = _showcompatlist(context, mapping, name, data, plural, separator)
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   571
    return hybridlist(data, name=element or name, fmt=fmt, gen=f)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   572
39368
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   573
def compatfilecopiesdict(context, mapping, name, copies):
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   574
    """Wrap list of (dest, source) file names to support old-style list
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   575
    template and field names
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   576
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   577
    This exists for backward compatibility. Use hybriddict for new template
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   578
    keywords.
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   579
    """
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   580
    # no need to provide {path} to old-style list template
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   581
    c = [{'name': k, 'source': v} for k, v in copies]
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   582
    f = _showcompatlist(context, mapping, name, c, plural='file_copies')
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   583
    copies = util.sortdict(copies)
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   584
    return hybrid(f, copies,
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   585
                  lambda k: {'name': k, 'path': k, 'source': copies[k]},
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   586
                  lambda k: '%s (%s)' % (k, copies[k]))
5b1d406b39f1 templatekw: alias {name} of file copies dict to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 39367
diff changeset
   587
39367
83f8f7b9fa60 templatekw: alias {file} of files list to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 38930
diff changeset
   588
def compatfileslist(context, mapping, name, files):
83f8f7b9fa60 templatekw: alias {file} of files list to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 38930
diff changeset
   589
    """Wrap list of file names to support old-style list template and field
83f8f7b9fa60 templatekw: alias {file} of files list to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 38930
diff changeset
   590
    names
83f8f7b9fa60 templatekw: alias {file} of files list to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 38930
diff changeset
   591
83f8f7b9fa60 templatekw: alias {file} of files list to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 38930
diff changeset
   592
    This exists for backward compatibility. Use hybridlist for new template
83f8f7b9fa60 templatekw: alias {file} of files list to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 38930
diff changeset
   593
    keywords.
83f8f7b9fa60 templatekw: alias {file} of files list to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 38930
diff changeset
   594
    """
83f8f7b9fa60 templatekw: alias {file} of files list to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 38930
diff changeset
   595
    f = _showcompatlist(context, mapping, name, files)
83f8f7b9fa60 templatekw: alias {file} of files list to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 38930
diff changeset
   596
    return hybrid(f, files, lambda x: {'file': x, 'path': x},
83f8f7b9fa60 templatekw: alias {file} of files list to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 38930
diff changeset
   597
                  pycompat.identity)
83f8f7b9fa60 templatekw: alias {file} of files list to {path}
Yuya Nishihara <yuya@tcha.org>
parents: 38930
diff changeset
   598
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   599
def _showcompatlist(context, mapping, name, values, plural=None, separator=' '):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   600
    """Return a generator that renders old-style list template
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   601
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   602
    name is name of key in template map.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   603
    values is list of strings or dicts.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   604
    plural is plural of name, if not simply name + 's'.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   605
    separator is used to join values as a string
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   606
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   607
    expansion works like this, given name 'foo'.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   608
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   609
    if values is empty, expand 'no_foos'.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   610
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   611
    if 'foo' not in template map, return values as a string,
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   612
    joined by 'separator'.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   613
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   614
    expand 'start_foos'.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   615
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   616
    for each value, expand 'foo'. if 'last_foo' in template
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   617
    map, expand it instead of 'foo' for last key.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   618
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   619
    expand 'end_foos'.
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   620
    """
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   621
    if not plural:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   622
        plural = name + 's'
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   623
    if not values:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   624
        noname = 'no_' + plural
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   625
        if context.preload(noname):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   626
            yield context.process(noname, mapping)
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   627
        return
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   628
    if not context.preload(name):
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   629
        if isinstance(values[0], bytes):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   630
            yield separator.join(values)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   631
        else:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   632
            for v in values:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   633
                r = dict(v)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   634
                r.update(mapping)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   635
                yield r
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   636
        return
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   637
    startname = 'start_' + plural
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   638
    if context.preload(startname):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   639
        yield context.process(startname, mapping)
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   640
    def one(v, tag=name):
37074
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37073
diff changeset
   641
        vmapping = {}
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   642
        try:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   643
            vmapping.update(v)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   644
        # Python 2 raises ValueError if the type of v is wrong. Python
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   645
        # 3 raises TypeError.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   646
        except (AttributeError, TypeError, ValueError):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   647
            try:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   648
                # Python 2 raises ValueError trying to destructure an e.g.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   649
                # bytes. Python 3 raises TypeError.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   650
                for a, b in v:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   651
                    vmapping[a] = b
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   652
            except (TypeError, ValueError):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   653
                vmapping[name] = v
37074
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37073
diff changeset
   654
        vmapping = context.overlaymap(mapping, vmapping)
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   655
        return context.process(tag, vmapping)
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   656
    lastname = 'last_' + name
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   657
    if context.preload(lastname):
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   658
        last = values.pop()
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   659
    else:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   660
        last = None
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   661
    for v in values:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   662
        yield one(v)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   663
    if last is not None:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   664
        yield one(last, tag=lastname)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   665
    endname = 'end_' + plural
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   666
    if context.preload(endname):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
   667
        yield context.process(endname, mapping)
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
   668
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   669
def flatten(context, mapping, thing):
37157
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   670
    """Yield a single stream from a possibly nested set of iterators"""
38270
630c62804383 templater: inline unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 38269
diff changeset
   671
    if isinstance(thing, wrapped):
630c62804383 templater: inline unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 38269
diff changeset
   672
        thing = thing.show(context, mapping)
37157
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   673
    if isinstance(thing, bytes):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   674
        yield thing
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   675
    elif isinstance(thing, str):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   676
        # We can only hit this on Python 3, and it's here to guard
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   677
        # against infinite recursion.
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   678
        raise error.ProgrammingError('Mercurial IO including templates is done'
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   679
                                     ' with bytes, not strings, got %r' % thing)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   680
    elif thing is None:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   681
        pass
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   682
    elif not util.safehasattr(thing, '__iter__'):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   683
        yield pycompat.bytestr(thing)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   684
    else:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   685
        for i in thing:
38270
630c62804383 templater: inline unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 38269
diff changeset
   686
            if isinstance(i, wrapped):
630c62804383 templater: inline unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 38269
diff changeset
   687
                i = i.show(context, mapping)
37157
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   688
            if isinstance(i, bytes):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   689
                yield i
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   690
            elif i is None:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   691
                pass
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   692
            elif not util.safehasattr(i, '__iter__'):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   693
                yield pycompat.bytestr(i)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   694
            else:
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   695
                for j in flatten(context, mapping, i):
37157
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   696
                    yield j
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
   697
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   698
def stringify(context, mapping, thing):
36920
6ff6e1d6b5b8 templater: move stringify() to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36913
diff changeset
   699
    """Turn values into bytes by converting into text and concatenating them"""
37158
e09d2183e226 templateutil: reimplement stringify() using flatten()
Yuya Nishihara <yuya@tcha.org>
parents: 37157
diff changeset
   700
    if isinstance(thing, bytes):
e09d2183e226 templateutil: reimplement stringify() using flatten()
Yuya Nishihara <yuya@tcha.org>
parents: 37157
diff changeset
   701
        return thing  # retain localstr to be round-tripped
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   702
    return b''.join(flatten(context, mapping, thing))
36920
6ff6e1d6b5b8 templater: move stringify() to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36913
diff changeset
   703
31927
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   704
def findsymbolicname(arg):
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   705
    """Find symbolic name for the given compiled expression; returns None
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   706
    if nothing found reliably"""
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   707
    while True:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   708
        func, data = arg
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   709
        if func is runsymbol:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   710
            return data
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   711
        elif func is runfilter:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   712
            arg = data[0]
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   713
        else:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   714
            return None
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
   715
38289
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   716
def _nonempty(xiter):
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   717
    try:
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   718
        next(xiter)
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   719
        return True
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   720
    except StopIteration:
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   721
        return False
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   722
37278
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
   723
def _unthunk(context, mapping, thing):
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
   724
    """Evaluate a lazy byte string into value"""
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
   725
    if not isinstance(thing, types.GeneratorType):
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
   726
        return thing
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
   727
    return stringify(context, mapping, thing)
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
   728
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   729
def evalrawexp(context, mapping, arg):
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   730
    """Evaluate given argument as a bare template object which may require
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   731
    further processing (such as folding generator of strings)"""
26124
604a7c941103 templater: extract helper that evaluates filter or function argument
Yuya Nishihara <yuya@tcha.org>
parents: 26106
diff changeset
   732
    func, data = arg
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   733
    return func(context, mapping, data)
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   734
38226
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   735
def evalwrapped(context, mapping, arg):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   736
    """Evaluate given argument to wrapped object"""
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   737
    thing = evalrawexp(context, mapping, arg)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   738
    return makewrapped(context, mapping, thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   739
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   740
def makewrapped(context, mapping, thing):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   741
    """Lift object to a wrapped type"""
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   742
    if isinstance(thing, wrapped):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   743
        return thing
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   744
    thing = _unthunk(context, mapping, thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   745
    if isinstance(thing, bytes):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   746
        return wrappedbytes(thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   747
    return wrappedvalue(thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
   748
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   749
def evalfuncarg(context, mapping, arg):
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   750
    """Evaluate given argument as value type"""
38225
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
   751
    return unwrapvalue(context, mapping, evalrawexp(context, mapping, arg))
37161
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37160
diff changeset
   752
38225
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
   753
def unwrapvalue(context, mapping, thing):
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
   754
    """Move the inner value object out of the wrapper"""
38224
61cecab0cc20 templater: inline unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37502
diff changeset
   755
    if isinstance(thing, wrapped):
61cecab0cc20 templater: inline unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37502
diff changeset
   756
        return thing.tovalue(context, mapping)
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   757
    # evalrawexp() may return string, generator of strings or arbitrary object
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   758
    # such as date tuple, but filter does not want generator.
37278
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
   759
    return _unthunk(context, mapping, thing)
26124
604a7c941103 templater: extract helper that evaluates filter or function argument
Yuya Nishihara <yuya@tcha.org>
parents: 26106
diff changeset
   760
29816
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
   761
def evalboolean(context, mapping, arg):
29817
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
   762
    """Evaluate given argument as boolean, but also takes boolean literals"""
29816
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
   763
    func, data = arg
29817
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
   764
    if func is runsymbol:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
   765
        thing = func(context, mapping, data, default=None)
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
   766
        if thing is None:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
   767
            # not a template keyword, takes as a boolean literal
37084
f0b6fbea00cf stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 37074
diff changeset
   768
            thing = stringutil.parsebool(data)
29817
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
   769
    else:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
   770
        thing = func(context, mapping, data)
38289
f9c426385853 templater: abstract truth testing to fix {if(list_of_empty_strings)}
Yuya Nishihara <yuya@tcha.org>
parents: 38286
diff changeset
   771
    return makewrapped(context, mapping, thing).tobool(context, mapping)
29816
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
   772
37224
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
   773
def evaldate(context, mapping, arg, err=None):
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
   774
    """Evaluate given argument as a date tuple or a date string; returns
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
   775
    a (unixtime, offset) tuple"""
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   776
    thing = evalrawexp(context, mapping, arg)
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   777
    return unwrapdate(context, mapping, thing, err)
37224
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
   778
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   779
def unwrapdate(context, mapping, thing, err=None):
38285
8d6109b49b31 templater: introduce a wrapper for date tuple (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 38284
diff changeset
   780
    if isinstance(thing, date):
8d6109b49b31 templater: introduce a wrapper for date tuple (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 38284
diff changeset
   781
        return thing.tovalue(context, mapping)
8d6109b49b31 templater: introduce a wrapper for date tuple (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 38284
diff changeset
   782
    # TODO: update hgweb to not return bare tuple; then just stringify 'thing'
38225
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
   783
    thing = unwrapvalue(context, mapping, thing)
37224
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
   784
    try:
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
   785
        return dateutil.parsedate(thing)
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
   786
    except AttributeError:
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
   787
        raise error.ParseError(err or _('not a date tuple nor a string'))
37225
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
   788
    except error.ParseError:
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
   789
        if not err:
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
   790
            raise
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
   791
        raise error.ParseError(err)
37224
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
   792
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
   793
def evalinteger(context, mapping, arg, err=None):
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   794
    thing = evalrawexp(context, mapping, arg)
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   795
    return unwrapinteger(context, mapping, thing, err)
37162
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37161
diff changeset
   796
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   797
def unwrapinteger(context, mapping, thing, err=None):
38225
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
   798
    thing = unwrapvalue(context, mapping, thing)
28343
a6c2310b3827 templater: factor out function that evaluates argument as integer
Yuya Nishihara <yuya@tcha.org>
parents: 28334
diff changeset
   799
    try:
37162
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37161
diff changeset
   800
        return int(thing)
28344
ac371d4c007f templater: drop redundant type conversion when evaluating integer argument
Yuya Nishihara <yuya@tcha.org>
parents: 28343
diff changeset
   801
    except (TypeError, ValueError):
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
   802
        raise error.ParseError(err or _('not an integer'))
28343
a6c2310b3827 templater: factor out function that evaluates argument as integer
Yuya Nishihara <yuya@tcha.org>
parents: 28334
diff changeset
   803
28348
ccedb17a5657 templater: factor out thin helper that evaluates argument as string
Yuya Nishihara <yuya@tcha.org>
parents: 28346
diff changeset
   804
def evalstring(context, mapping, arg):
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   805
    return stringify(context, mapping, evalrawexp(context, mapping, arg))
28348
ccedb17a5657 templater: factor out thin helper that evaluates argument as string
Yuya Nishihara <yuya@tcha.org>
parents: 28346
diff changeset
   806
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
   807
def evalstringliteral(context, mapping, arg):
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
   808
    """Evaluate given argument as string template, but returns symbol name
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
   809
    if it is unknown"""
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
   810
    func, data = arg
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
   811
    if func is runsymbol:
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
   812
        thing = func(context, mapping, data, default=data)
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
   813
    else:
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
   814
        thing = func(context, mapping, data)
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   815
    return stringify(context, mapping, thing)
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
   816
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
   817
_unwrapfuncbytype = {
38225
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
   818
    None: unwrapvalue,
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
   819
    bytes: stringify,
37227
9bcf096a2da2 templatefilters: declare input type as date where appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37226
diff changeset
   820
    date: unwrapdate,
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
   821
    int: unwrapinteger,
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
   822
}
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
   823
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   824
def unwrapastype(context, mapping, thing, typ):
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
   825
    """Move the inner value object out of the wrapper and coerce its type"""
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
   826
    try:
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
   827
        f = _unwrapfuncbytype[typ]
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
   828
    except KeyError:
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
   829
        raise error.ProgrammingError('invalid type specified: %r' % typ)
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   830
    return f(context, mapping, thing)
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
   831
25002
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
   832
def runinteger(context, mapping, data):
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
   833
    return int(data)
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
   834
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
   835
def runstring(context, mapping, data):
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
   836
    return data
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
   837
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
   838
def _recursivesymbolblocker(key):
38930
382b055cc358 templatekw: deprecate old-style template keyword function (API)
Yuya Nishihara <yuya@tcha.org>
parents: 38449
diff changeset
   839
    def showrecursion(context, mapping):
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
   840
        raise error.Abort(_("recursive reference '%s' in template") % key)
38930
382b055cc358 templatekw: deprecate old-style template keyword function (API)
Yuya Nishihara <yuya@tcha.org>
parents: 38449
diff changeset
   841
    showrecursion._requires = ()  # mark as new-style templatekw
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
   842
    return showrecursion
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
   843
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
   844
def runsymbol(context, mapping, key, default=''):
35467
d6cfa722b044 templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents: 35414
diff changeset
   845
    v = context.symbol(mapping, key)
19770
0361163efbaf templater: support using templates with non-standard names from map file
Alexander Plavin <alexander@plav.in>
parents: 19390
diff changeset
   846
    if v is None:
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
   847
        # put poison to cut recursion. we can't move this to parsing phase
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
   848
        # because "x = {x}" is allowed if "x" is a keyword. (issue4758)
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
   849
        safemapping = mapping.copy()
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
   850
        safemapping[key] = _recursivesymbolblocker(key)
19770
0361163efbaf templater: support using templates with non-standard names from map file
Alexander Plavin <alexander@plav.in>
parents: 19390
diff changeset
   851
        try:
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
   852
            v = context.process(key, safemapping)
19770
0361163efbaf templater: support using templates with non-standard names from map file
Alexander Plavin <alexander@plav.in>
parents: 19390
diff changeset
   853
        except TemplateNotFound:
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
   854
            v = default
36445
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
   855
    if callable(v) and getattr(v, '_requires', None) is None:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
   856
        # old templatekw: expand all keywords and resources
38930
382b055cc358 templatekw: deprecate old-style template keyword function (API)
Yuya Nishihara <yuya@tcha.org>
parents: 38449
diff changeset
   857
        # (TODO: drop support for old-style functions. 'f._requires = ()'
382b055cc358 templatekw: deprecate old-style template keyword function (API)
Yuya Nishihara <yuya@tcha.org>
parents: 38449
diff changeset
   858
        #  can be removed.)
37073
44757e6dad93 templater: introduce resourcemapper class
Yuya Nishihara <yuya@tcha.org>
parents: 37070
diff changeset
   859
        props = {k: context._resources.lookup(context, mapping, k)
44757e6dad93 templater: introduce resourcemapper class
Yuya Nishihara <yuya@tcha.org>
parents: 37070
diff changeset
   860
                 for k in context._resources.knownkeys()}
37070
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37068
diff changeset
   861
        # pass context to _showcompatlist() through templatekw._showlist()
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37068
diff changeset
   862
        props['templ'] = context
35468
32c278eb876f templater: keep default resources per template engine (API)
Yuya Nishihara <yuya@tcha.org>
parents: 35467
diff changeset
   863
        props.update(mapping)
38930
382b055cc358 templatekw: deprecate old-style template keyword function (API)
Yuya Nishihara <yuya@tcha.org>
parents: 38449
diff changeset
   864
        ui = props.get('ui')
382b055cc358 templatekw: deprecate old-style template keyword function (API)
Yuya Nishihara <yuya@tcha.org>
parents: 38449
diff changeset
   865
        if ui:
382b055cc358 templatekw: deprecate old-style template keyword function (API)
Yuya Nishihara <yuya@tcha.org>
parents: 38449
diff changeset
   866
            ui.deprecwarn("old-style template keyword '%s'" % key, '4.8')
35588
dadbf213a765 py3: convert dict keys' to str before passing as kwargs
Pulkit Goyal <7895pulkit@gmail.com>
parents: 35481
diff changeset
   867
        return v(**pycompat.strkwargs(props))
36445
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
   868
    if callable(v):
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
   869
        # new templatekw
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
   870
        try:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
   871
            return v(context, mapping)
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
   872
        except ResourceUnavailable:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
   873
            # unsupported keyword is mapped to empty just like unknown keyword
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
   874
            return None
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
   875
    return v
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
   876
25595
a7dd6692e5cb templater: move runtemplate function out of buildmap/runmap pair
Yuya Nishihara <yuya@tcha.org>
parents: 25580
diff changeset
   877
def runtemplate(context, mapping, template):
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   878
    for arg in template:
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   879
        yield evalrawexp(context, mapping, arg)
25595
a7dd6692e5cb templater: move runtemplate function out of buildmap/runmap pair
Yuya Nishihara <yuya@tcha.org>
parents: 25580
diff changeset
   880
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
   881
def runfilter(context, mapping, data):
26125
c990afab2243 templater: drop unneeded destructuring of argument tuple at buildfilter
Yuya Nishihara <yuya@tcha.org>
parents: 26124
diff changeset
   882
    arg, filt = data
37222
54355c243042 templatefilters: allow declaration of input data type
Yuya Nishihara <yuya@tcha.org>
parents: 37163
diff changeset
   883
    thing = evalrawexp(context, mapping, arg)
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   884
    intype = getattr(filt, '_intype', None)
17383
099c778ceb33 templater: abort when a template filter raises an exception (issue2987)
Neil Kodner <neilk@fb.com>
parents: 17334
diff changeset
   885
    try:
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
   886
        thing = unwrapastype(context, mapping, thing, intype)
24280
6c55e37ba5f2 templater: allow piping generator-type function output to filters
Yuya Nishihara <yuya@tcha.org>
parents: 24240
diff changeset
   887
        return filt(thing)
37226
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
   888
    except error.ParseError as e:
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
   889
        raise error.ParseError(bytes(e), hint=_formatfiltererror(arg, filt))
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
   890
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
   891
def _formatfiltererror(arg, filt):
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
   892
    fn = pycompat.sysbytes(filt.__name__)
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
   893
    sym = findsymbolicname(arg)
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
   894
    if not sym:
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
   895
        return _("incompatible use of template filter '%s'") % fn
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
   896
    return (_("template filter '%s' is not compatible with keyword '%s'")
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
   897
            % (fn, sym))
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
   898
37399
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   899
def _iteroverlaymaps(context, origmapping, newmappings):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   900
    """Generate combined mappings from the original mapping and an iterable
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   901
    of partial mappings to override the original"""
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   902
    for i, nm in enumerate(newmappings):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   903
        lm = context.overlaymap(origmapping, nm)
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   904
        lm['index'] = i
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   905
        yield lm
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
   906
38271
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38270
diff changeset
   907
def _applymap(context, mapping, d, darg, targ):
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38270
diff changeset
   908
    try:
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38270
diff changeset
   909
        diter = d.itermaps(context)
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38270
diff changeset
   910
    except error.ParseError as err:
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38270
diff changeset
   911
        sym = findsymbolicname(darg)
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38270
diff changeset
   912
        if not sym:
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38270
diff changeset
   913
            raise
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38270
diff changeset
   914
        hint = _("keyword '%s' does not support map operation") % sym
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38270
diff changeset
   915
        raise error.ParseError(bytes(err), hint=hint)
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38270
diff changeset
   916
    for lm in _iteroverlaymaps(context, mapping, diter):
37499
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   917
        yield evalrawexp(context, lm, targ)
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
   918
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
   919
def runmap(context, mapping, data):
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
   920
    darg, targ = data
38229
7701c2d4a438 templater: always map over a wrapped object
Yuya Nishihara <yuya@tcha.org>
parents: 38228
diff changeset
   921
    d = evalwrapped(context, mapping, darg)
38271
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38270
diff changeset
   922
    return mappedgenerator(_applymap, args=(mapping, d, darg, targ))
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
   923
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
   924
def runmember(context, mapping, data):
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
   925
    darg, memb = data
38240
c2456a7726c1 templater: do dict lookup over a wrapped object
Yuya Nishihara <yuya@tcha.org>
parents: 38229
diff changeset
   926
    d = evalwrapped(context, mapping, darg)
38284
e72697893c93 templater: promote tomap() to an interface type
Yuya Nishihara <yuya@tcha.org>
parents: 38283
diff changeset
   927
    if isinstance(d, mappable):
e72697893c93 templater: promote tomap() to an interface type
Yuya Nishihara <yuya@tcha.org>
parents: 38283
diff changeset
   928
        lm = context.overlaymap(mapping, d.tomap(context))
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
   929
        return runsymbol(context, lm, memb)
38241
ad06a4264daf templater: add try-except stub to runmember()
Yuya Nishihara <yuya@tcha.org>
parents: 38240
diff changeset
   930
    try:
38243
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   931
        return d.getmember(context, mapping, memb)
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   932
    except error.ParseError as err:
38241
ad06a4264daf templater: add try-except stub to runmember()
Yuya Nishihara <yuya@tcha.org>
parents: 38240
diff changeset
   933
        sym = findsymbolicname(darg)
38243
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   934
        if not sym:
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   935
            raise
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   936
        hint = _("keyword '%s' does not support member operation") % sym
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38242
diff changeset
   937
        raise error.ParseError(bytes(err), hint=hint)
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
   938
30115
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   939
def runnegate(context, mapping, data):
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   940
    data = evalinteger(context, mapping, data,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   941
                       _('negation needs an integer argument'))
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   942
    return -data
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   943
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   944
def runarithmetic(context, mapping, data):
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   945
    func, left, right = data
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   946
    left = evalinteger(context, mapping, left,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   947
                       _('arithmetic only defined on integers'))
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   948
    right = evalinteger(context, mapping, right,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   949
                        _('arithmetic only defined on integers'))
30116
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
   950
    try:
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
   951
        return func(left, right)
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
   952
    except ZeroDivisionError:
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
   953
        raise error.Abort(_('division by zero is not defined'))
30115
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
   954
37325
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
   955
def joinitems(itemiter, sep):
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
   956
    """Join items with the separator; Returns generator of bytes"""
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
   957
    first = True
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
   958
    for x in itemiter:
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
   959
        if first:
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
   960
            first = False
37326
9cd88dd3bf64 templater: micro-optimize join() with empty separator
Yuya Nishihara <yuya@tcha.org>
parents: 37325
diff changeset
   961
        elif sep:
37325
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
   962
            yield sep
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
   963
        yield x