/usr/lib/python3/dist-packages/zope/i18nmessageid/message.py is in python3-zope.i18nmessageid 4.0.3-2build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (c) 2004 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""I18n Messages and factories.
"""
__docformat__ = "reStructuredText"
try:
unicode
except NameError: #pragma NO COVER Python3
unicode = str
class Message(unicode):
"""Message (Python implementation)
This is a string used as a message. It has a domain attribute that is
its source domain, and a default attribute that is its default text to
display when there is no translation. domain may be None meaning there is
no translation domain. default may also be None, in which case the
message id itself implicitly serves as the default text.
"""
__slots__ = ('domain', 'default', 'mapping', '_readonly')
def __new__(cls, ustr, domain=None, default=None, mapping=None):
self = unicode.__new__(cls, ustr)
if isinstance(ustr, self.__class__):
domain = ustr.domain and ustr.domain[:] or domain
default = ustr.default and ustr.default[:] or default
mapping = ustr.mapping and ustr.mapping.copy() or mapping
ustr = unicode(ustr)
self.domain = domain
if default is None:
# MessageID does: self.default = ustr
self.default = default
else:
self.default = unicode(default)
self.mapping = mapping
self._readonly = True
return self
def __setattr__(self, key, value):
"""Message is immutable
It cannot be changed once the message id is created.
"""
if getattr(self, '_readonly', False):
raise TypeError('readonly attribute')
else:
return unicode.__setattr__(self, key, value)
def __getstate__(self):
return unicode(self), self.domain, self.default, self.mapping
def __reduce__(self):
return self.__class__, self.__getstate__()
# Name the fallback Python implementation to make it easier to test.
pyMessage = Message
try:
from _zope_i18nmessageid_message import Message
except ImportError: # pragma: no cover
pass
class MessageFactory(object):
"""Factory for creating i18n messages."""
def __init__(self, domain):
self._domain = domain
def __call__(self, ustr, default=None, mapping=None):
return Message(ustr, self._domain, default, mapping)
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