Personal Computer World 2009 February/PCWFEB09.iso/Software/Linux/Kubuntu 8.10/kubuntu-8.10-desktop-i386.iso/casper/filesystem.squashfs/usr/lib/python2.5/UserDict.pyc

Python Compiled Bytecode | 2008-10-29 | 9KB | 296 lines

# Source Generated with Decompyle++
# File: in.pyc (Python 2.5)

'''A more or less complete user-defined wrapper around dictionary objects.'''

class UserDict:

    def __init__(self, dict = None, **kwargs):
        self.data = { }
        if dict is not None:
            self.update(dict)

        if len(kwargs):
            self.update(kwargs)



    def __repr__(self):
        return repr(self.data)


    def __cmp__(self, dict):
        if isinstance(dict, UserDict):
            return cmp(self.data, dict.data)
        else:
            return cmp(self.data, dict)


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


    def __getitem__(self, key):
        if key in self.data:
            return self.data[key]

        if hasattr(self.__class__, '__missing__'):
            return self.__class__.__missing__(self, key)

        raise KeyError(key)


    def __setitem__(self, key, item):
        self.data[key] = item


    def __delitem__(self, key):
        del self.data[key]


    def clear(self):
        self.data.clear()


    def copy(self):
        if self.__class__ is UserDict:
            return UserDict(self.data.copy())

        import copy as copy
        data = self.data

        try:
            self.data = { }
            c = copy.copy(self)
        finally:
            self.data = data

        c.update(self)
        return c


    def keys(self):
        return self.data.keys()


    def items(self):
        return self.data.items()


    def iteritems(self):
        return self.data.iteritems()


    def iterkeys(self):
        return self.data.iterkeys()


    def itervalues(self):
        return self.data.itervalues()


    def values(self):
        return self.data.values()


    def has_key(self, key):
        return self.data.has_key(key)


    def update(self, dict = None, **kwargs):
        if dict is None:
            pass
        elif isinstance(dict, UserDict):
            self.data.update(dict.data)
        elif isinstance(dict, type({ })) or not hasattr(dict, 'items'):
            self.data.update(dict)
        else:
            for k, v in dict.items():
                self[k] = v

        if len(kwargs):
            self.data.update(kwargs)



    def get(self, key, failobj = None):
        if not self.has_key(key):
            return failobj

        return self[key]


    def setdefault(self, key, failobj = None):
        if not self.has_key(key):
            self[key] = failobj

        return self[key]


    def pop(self, key, *args):
        return self.data.pop(key, *args)


    def popitem(self):
        return self.data.popitem()


    def __contains__(self, key):
        return key in self.data


    def fromkeys(cls, iterable, value = None):
        d = cls()
        for key in iterable:
            d[key] = value

        return d

    fromkeys = classmethod(fromkeys)


class IterableUserDict(UserDict):

    def __iter__(self):
        return iter(self.data)



class DictMixin:

    def __iter__(self):
        for k in self.keys():
            yield k



    def has_key(self, key):

        try:
            value = self[key]
        except KeyError:
            return False

        return True


    def __contains__(self, key):
        return self.has_key(key)


    def iteritems(self):
        for k in self:
            yield (k, self[k])



    def iterkeys(self):
        return self.__iter__()


    def itervalues(self):
        for _, v in self.iteritems():
            yield v



    def values(self):
        return [ v for _, v in self.iteritems() ]


    def items(self):
        return list(self.iteritems())


    def clear(self):
        for key in self.keys():
            del self[key]



    def setdefault(self, key, default = None):

        try:
            return self[key]
        except KeyError:
            self[key] = default

        return default


    def pop(self, key, *args):
        if len(args) > 1:
            raise TypeError, 'pop expected at most 2 arguments, got ' + repr(1 + len(args))


        try:
            value = self[key]
        except KeyError:
            if args:
                return args[0]

            raise

        del self[key]
        return value


    def popitem(self):

        try:
            (k, v) = self.iteritems().next()
        except StopIteration:
            raise KeyError, 'container is empty'

        del self[k]
        return (k, v)


    def update(self, other = None, **kwargs):
        if other is None:
            pass
        elif hasattr(other, 'iteritems'):
            for k, v in other.iteritems():
                self[k] = v

        elif hasattr(other, 'keys'):
            for k in other.keys():
                self[k] = other[k]

        else:
            for k, v in other:
                self[k] = v

        if kwargs:
            self.update(kwargs)



    def get(self, key, default = None):

        try:
            return self[key]
        except KeyError:
            return default



    def __repr__(self):
        return repr(dict(self.iteritems()))


    def __cmp__(self, other):
        if other is None:
            return 1

        if isinstance(other, DictMixin):
            other = dict(other.iteritems())

        return cmp(dict(self.iteritems()), other)


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