comparison mercurial/formatter.py @ 32840:57c13c0d1cde

formatter: put topic in templatespec tuple

This will allow us to change the initial template reference depending on how
the template is looked up. For example,

  -Tdefault => (ref='changeset', tmpl=None, mapfile='map-cmdline.default')
  -T'{rev}' => (ref='', tmpl='{rev}', mapfile=None)

A literal template given by -T option will be stored as an unnamed template,
which will free up the template namespace so that we can load named templates
from [templates] section of user config.

32839:b425ec7fb7f6

    def __init__(self, ui, out, topic, opts):
        baseformatter.__init__(self, ui, topic, opts, _templateconverter)
        self._out = out
        self._topic = topic
        spec = lookuptemplate(ui, topic, opts.get('template', ''))
        self._t = loadtemplater(ui, topic, spec, cache=templatekw.defaulttempl)
        self._counter = itertools.count()
        self._cache = {}  # for templatekw/funcs to store reusable data
    def context(self, **ctxs):
        '''insert context objects to be used to render template keywords'''
        assert all(k == 'ctx' for k in ctxs)

            props['revcache'] = {}
        g = self._t(self._topic, ui=self._ui, cache=self._cache, **props)
        self._out.write(templater.stringify(g))

templatespec = collections.namedtuple(r'templatespec',
                                      r'tmpl mapfile')

def lookuptemplate(ui, topic, tmpl):
    """Find the template matching the given -T/--template spec 'tmpl'

    'tmpl' can be any of the following:

    loaded from user config.
    """

    # looks like a literal template?
    if '{' in tmpl:
        return templatespec(tmpl, None)

    # perhaps a stock style?
    if not os.path.split(tmpl)[0]:
        mapname = (templater.templatepath('map-cmdline.' + tmpl)
                   or templater.templatepath(tmpl))
        if mapname and os.path.isfile(mapname):
            return templatespec(None, mapname)

    # perhaps it's a reference to [templates]
    t = ui.config('templates', tmpl)
    if t:
        return templatespec(templater.unquotestring(t), None)

    if tmpl == 'list':
        ui.write(_("available styles: %s\n") % templater.stylelist())
        raise error.Abort(_("specify a template"))

    # perhaps it's a path to a map or a template
    if ('/' in tmpl or '\\' in tmpl) and os.path.isfile(tmpl):
        # is it a mapfile for a style?
        if os.path.basename(tmpl).startswith("map-"):
            return templatespec(None, os.path.realpath(tmpl))
        with util.posixfile(tmpl, 'rb') as f:
            tmpl = f.read()
        return templatespec(tmpl, None)

    # constant string?
    return templatespec(tmpl, None)

def loadtemplater(ui, topic, spec, cache=None):
    """Create a templater from either a literal template or loading from
    a map file"""
    assert not (spec.tmpl and spec.mapfile)
    if spec.mapfile:
        return templater.templater.frommapfile(spec.mapfile, cache=cache)
    return maketemplater(ui, topic, spec.tmpl, cache=cache)

def maketemplater(ui, topic, tmpl, cache=None):
    """Create a templater from a string template 'tmpl'"""
    aliases = ui.configitems('templatealias')
    t = templater.templater(cache=cache, aliases=aliases)

32840:57c13c0d1cde

    def __init__(self, ui, out, topic, opts):
        baseformatter.__init__(self, ui, topic, opts, _templateconverter)
        self._out = out
        self._topic = topic
        spec = lookuptemplate(ui, topic, opts.get('template', ''))
        self._t = loadtemplater(ui, spec, cache=templatekw.defaulttempl)
        self._counter = itertools.count()
        self._cache = {}  # for templatekw/funcs to store reusable data
    def context(self, **ctxs):
        '''insert context objects to be used to render template keywords'''
        assert all(k == 'ctx' for k in ctxs)

            props['revcache'] = {}
        g = self._t(self._topic, ui=self._ui, cache=self._cache, **props)
        self._out.write(templater.stringify(g))

templatespec = collections.namedtuple(r'templatespec',
                                      r'ref tmpl mapfile')

def lookuptemplate(ui, topic, tmpl):
    """Find the template matching the given -T/--template spec 'tmpl'

    'tmpl' can be any of the following:

    loaded from user config.
    """

    # looks like a literal template?
    if '{' in tmpl:
        return templatespec(topic, tmpl, None)

    # perhaps a stock style?
    if not os.path.split(tmpl)[0]:
        mapname = (templater.templatepath('map-cmdline.' + tmpl)
                   or templater.templatepath(tmpl))
        if mapname and os.path.isfile(mapname):
            return templatespec(topic, None, mapname)

    # perhaps it's a reference to [templates]
    t = ui.config('templates', tmpl)
    if t:
        return templatespec(topic, templater.unquotestring(t), None)

    if tmpl == 'list':
        ui.write(_("available styles: %s\n") % templater.stylelist())
        raise error.Abort(_("specify a template"))

    # perhaps it's a path to a map or a template
    if ('/' in tmpl or '\\' in tmpl) and os.path.isfile(tmpl):
        # is it a mapfile for a style?
        if os.path.basename(tmpl).startswith("map-"):
            return templatespec(topic, None, os.path.realpath(tmpl))
        with util.posixfile(tmpl, 'rb') as f:
            tmpl = f.read()
        return templatespec(topic, tmpl, None)

    # constant string?
    return templatespec(topic, tmpl, None)

def loadtemplater(ui, spec, cache=None):
    """Create a templater from either a literal template or loading from
    a map file"""
    assert not (spec.tmpl and spec.mapfile)
    if spec.mapfile:
        return templater.templater.frommapfile(spec.mapfile, cache=cache)
    return maketemplater(ui, spec.ref, spec.tmpl, cache=cache)

def maketemplater(ui, topic, tmpl, cache=None):
    """Create a templater from a string template 'tmpl'"""
    aliases = ui.configitems('templatealias')
    t = templater.templater(cache=cache, aliases=aliases)