mercurial/smartset.py

31014:219629d42786

        if not isinstance(data, list):
            if isinstance(data, set):
                self._set = data
                # set has no order we pick one for stability purpose
                self._ascending = True
            data = list(data)
        self._list = data
        self._datarepr = datarepr

    @util.propertycache
    def _set(self):
        return set(self._list)

    def _asclist(self):
        asclist = self._list[:]
        asclist.sort()
        return asclist

    def __iter__(self):
        if self._ascending is None:
            return iter(self._list)
        elif self._ascending:
            return iter(self._asclist)

    @util.propertycache
    def __contains__(self):
        return self._set.__contains__

    def __nonzero__(self):
        return bool(self._list)

    def sort(self, reverse=False):
        self._ascending = not bool(reverse)
        self._istopo = False

        else:
            self._ascending = not self._ascending
        self._istopo = False

    def __len__(self):
        return len(self._list)

    def isascending(self):
        """Returns True if the collection is ascending order, False if not.

        This is part of the mandatory API for smartset."""

31015:1076f7eba964

        if not isinstance(data, list):
            if isinstance(data, set):
                self._set = data
                # set has no order we pick one for stability purpose
                self._ascending = True
                # converting set to list has a cost, do it lazily
                data = None
            else:
                data = list(data)
        if data is not None:
            self._list = data
        self._datarepr = datarepr

    @util.propertycache
    def _set(self):
        return set(self._list)

    def _asclist(self):
        asclist = self._list[:]
        asclist.sort()
        return asclist

    @util.propertycache
    def _list(self):
        # _list is only lazily constructed if we have _set
        assert '_set' in self.__dict__
        return list(self._set)

    def __iter__(self):
        if self._ascending is None:
            return iter(self._list)
        elif self._ascending:
            return iter(self._asclist)

    @util.propertycache
    def __contains__(self):
        return self._set.__contains__

    def __nonzero__(self):
        return bool(len(self))

    def sort(self, reverse=False):
        self._ascending = not bool(reverse)
        self._istopo = False

        else:
            self._ascending = not self._ascending
        self._istopo = False

    def __len__(self):
        if '_list' in self.__dict__:
            return len(self._list)
        else:
            return len(self._set)

    def isascending(self):
        """Returns True if the collection is ascending order, False if not.

        This is part of the mandatory API for smartset."""