comparison mercurial/pycompat.py @ 37099:6ca5f825a0ca

util: make safehasattr() a pycompat function

So safehasattr() can be imported by utils.* modules. util.safehasattr() still
remains as an alias since it is pretty basic utility available for years.

On current Python 3, the builtin hasattr() should have no problem.

37098:a9ea2b1e5c4b

    unicode = str

    def open(name, mode='r', buffering=-1, encoding=None):
        return builtins.open(name, sysstr(mode), buffering, encoding)

    def _getoptbwrapper(orig, args, shortlist, namelist):
        """
        Takes bytes arguments, converts them to unicode, pass them to
        getopt.getopt(), convert the returned values back to bytes and then
        return them for Python 3 compatibility as getopt.getopt() don't accepts

    # better not to touch Python 2 part as it's already working fine.
    fsdecode = identity

    def getdoc(obj):
        return getattr(obj, '__doc__', None)

    def _getoptbwrapper(orig, args, shortlist, namelist):
        return orig(args, shortlist, namelist)

    strkwargs = identity

37099:6ca5f825a0ca

    unicode = str

    def open(name, mode='r', buffering=-1, encoding=None):
        return builtins.open(name, sysstr(mode), buffering, encoding)

    safehasattr = _wrapattrfunc(builtins.hasattr)

    def _getoptbwrapper(orig, args, shortlist, namelist):
        """
        Takes bytes arguments, converts them to unicode, pass them to
        getopt.getopt(), convert the returned values back to bytes and then
        return them for Python 3 compatibility as getopt.getopt() don't accepts

    # better not to touch Python 2 part as it's already working fine.
    fsdecode = identity

    def getdoc(obj):
        return getattr(obj, '__doc__', None)

    _notset = object()

    def safehasattr(thing, attr):
        return getattr(thing, attr, _notset) is not _notset

    def _getoptbwrapper(orig, args, shortlist, namelist):
        return orig(args, shortlist, namelist)

    strkwargs = identity