comparison mercurial/config.py @ 46622:a3dced4b7b04

config: track the "level" of a value

Config value now remember the "level" of the config that loaded it. This will be
used to ensure good priority management for alias.

Differential Revision: https://phab.mercurial-scm.org/D9926

46621:d3df397e7a59

)


class config(object):
    def __init__(self, data=None):
        self._data = {}
        self._unset = []
        if data:
            for k in data._data:
                self._data[k] = data[k].copy()

    def copy(self):
        return config(self)

    def __contains__(self, section):

    def __iter__(self):
        for d in self.sections():
            yield d

    def update(self, src):
        for s, n in src._unset:
            ds = self._data.get(s, None)
            if ds is not None and n in ds:
                self._data[s] = ds.preparewrite()
                del self._data[s][n]

            ds = self._data.get(s, None)
            if ds:
                self._data[s] = ds.preparewrite()
            else:
                self._data[s] = util.cowsortdict()
            self._data[s].update(src._data[s])

    def _get(self, section, item):
        return self._data.get(section, {}).get(item)

    def get(self, section, item, default=None):

        result = self._get(section, item)
        if result is None:
            return b""
        return result[1]

    def sections(self):
        return sorted(self._data.keys())

    def items(self, section):
        items = pycompat.iteritems(self._data.get(section, {}))
        return [(k, v) for (k, (v, s)) in items]

    def set(self, section, item, value, source=b""):
        if pycompat.ispy3:
            assert not isinstance(
                section, str

            ), b'config values may not be unicode strings on Python 3'
        if section not in self:
            self._data[section] = util.cowsortdict()
        else:
            self._data[section] = self._data[section].preparewrite()
        self._data[section][item] = (value, source)

    def alter(self, section, key, new_value):
        """alter a value without altering its source or level

        This method is meant to be used by `ui.fixconfig` only."""

            if l.startswith(b' '):
                message = b"unexpected leading whitespace: %s" % message
            raise error.ConfigError(message, (b"%s:%d" % (src, line)))

    def read(self, path, fp=None, sections=None, remap=None):
        if not fp:
            fp = util.posixfile(path, b'rb')
        assert (
            getattr(fp, 'mode', 'rb') == 'rb'
        ), b'config files must be opened in binary mode, got fp=%r mode=%r' % (

        dir = os.path.dirname(path)

        def include(rel, remap, sections):
            abs = os.path.normpath(os.path.join(dir, rel))
            self.read(abs, remap=remap, sections=sections)

        self.parse(
            path, fp.read(), sections=sections, remap=remap, include=include
        )

46622:a3dced4b7b04

)


class config(object):
    def __init__(self, data=None):
        self._current_source_level = 0
        self._data = {}
        self._unset = []
        if data:
            for k in data._data:
                self._data[k] = data[k].copy()
            self._current_source_level = data._current_source_level + 1

    def new_source(self):
        """increment the source counter

        This is used to define source priority when reading"""
        self._current_source_level += 1

    def copy(self):
        return config(self)

    def __contains__(self, section):

    def __iter__(self):
        for d in self.sections():
            yield d

    def update(self, src):
        current_level = self._current_source_level
        current_level += 1
        max_level = self._current_source_level
        for s, n in src._unset:
            ds = self._data.get(s, None)
            if ds is not None and n in ds:
                self._data[s] = ds.preparewrite()
                del self._data[s][n]

            ds = self._data.get(s, None)
            if ds:
                self._data[s] = ds.preparewrite()
            else:
                self._data[s] = util.cowsortdict()
            for k, v in src._data[s].items():
                value, source, level = v
                level += current_level
                max_level = max(level, current_level)
                self._data[s][k] = (value, source, level)
        self._current_source_level = max_level

    def _get(self, section, item):
        return self._data.get(section, {}).get(item)

    def get(self, section, item, default=None):

        result = self._get(section, item)
        if result is None:
            return b""
        return result[1]

    def level(self, section, item):
        result = self._get(section, item)
        if result is None:
            return None
        return result[2]

    def sections(self):
        return sorted(self._data.keys())

    def items(self, section):
        items = pycompat.iteritems(self._data.get(section, {}))
        return [(k, v[0]) for (k, v) in items]

    def set(self, section, item, value, source=b""):
        if pycompat.ispy3:
            assert not isinstance(
                section, str

            ), b'config values may not be unicode strings on Python 3'
        if section not in self:
            self._data[section] = util.cowsortdict()
        else:
            self._data[section] = self._data[section].preparewrite()
        self._data[section][item] = (value, source, self._current_source_level)

    def alter(self, section, key, new_value):
        """alter a value without altering its source or level

        This method is meant to be used by `ui.fixconfig` only."""

            if l.startswith(b' '):
                message = b"unexpected leading whitespace: %s" % message
            raise error.ConfigError(message, (b"%s:%d" % (src, line)))

    def read(self, path, fp=None, sections=None, remap=None):
        self.new_source()
        if not fp:
            fp = util.posixfile(path, b'rb')
        assert (
            getattr(fp, 'mode', 'rb') == 'rb'
        ), b'config files must be opened in binary mode, got fp=%r mode=%r' % (

        dir = os.path.dirname(path)

        def include(rel, remap, sections):
            abs = os.path.normpath(os.path.join(dir, rel))
            self.read(abs, remap=remap, sections=sections)
            # anything after the include has a higher level
            self.new_source()

        self.parse(
            path, fp.read(), sections=sections, remap=remap, include=include
        )