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118 lines
4.2 KiB
118 lines
4.2 KiB
# -*- coding: utf-8 -*-
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# Copyright (c) 2014-2016 Ryan Huber <rhuber@gmail.com>
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# Copyright (c) 2015-2016 Tollef Fog Heen <tfheen@err.no>
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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from __future__ import unicode_literals
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import sys
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# pylint: disable=redefined-builtin
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from builtins import bytes, str
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from functools import wraps
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if sys.version_info.major == 3 and sys.version_info.minor >= 3:
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from collections.abc import Iterable, Mapping
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else:
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from collections import Iterable, Mapping
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# These functions were written by Trygve Aaberge for wee-slack and are under a
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# MIT License.
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# More info can be found in the wee-slack repository under the commit:
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# 5e1c7e593d70972afb9a55f29d13adaf145d0166, the repository can be found at:
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# https://github.com/wee-slack/wee-slack
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class WeechatWrapper(object):
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def __init__(self, wrapped_class):
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self.wrapped_class = wrapped_class
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# Helper method used to encode/decode method calls.
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def wrap_for_utf8(self, method):
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def hooked(*args, **kwargs):
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result = method(*encode_to_utf8(args), **encode_to_utf8(kwargs))
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# Prevent wrapped_class from becoming unwrapped
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if result == self.wrapped_class:
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return self
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return decode_from_utf8(result)
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return hooked
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# Encode and decode everything sent to/received from weechat. We use the
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# unicode type internally in wee-slack, but has to send utf8 to weechat.
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def __getattr__(self, attr):
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orig_attr = self.wrapped_class.__getattribute__(attr)
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if callable(orig_attr):
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return self.wrap_for_utf8(orig_attr)
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return decode_from_utf8(orig_attr)
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# Ensure all lines sent to weechat specify a prefix. For lines after the
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# first, we want to disable the prefix, which is done by specifying a
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# space.
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def prnt_date_tags(self, buffer, date, tags, message):
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message = message.replace("\n", "\n \t")
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return self.wrap_for_utf8(self.wrapped_class.prnt_date_tags)(
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buffer, date, tags, message
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)
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def utf8_decode(function):
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"""
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Decode all arguments from byte strings to unicode strings. Use this for
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functions called from outside of this script, e.g. callbacks from weechat.
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"""
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@wraps(function)
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def wrapper(*args, **kwargs):
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# Don't do anything if we're python 3
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if sys.hexversion >= 0x3000000:
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return function(*args, **kwargs)
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return function(*decode_from_utf8(args), **decode_from_utf8(kwargs))
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return wrapper
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def decode_from_utf8(data):
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if isinstance(data, bytes):
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return data.decode("utf-8")
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if isinstance(data, str):
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return data
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elif isinstance(data, Mapping):
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return type(data)(map(decode_from_utf8, data.items()))
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elif isinstance(data, Iterable):
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return type(data)(map(decode_from_utf8, data))
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return data
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def encode_to_utf8(data):
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if isinstance(data, str):
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return data.encode("utf-8")
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if isinstance(data, bytes):
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return data
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elif isinstance(data, Mapping):
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return type(data)(map(encode_to_utf8, data.items()))
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elif isinstance(data, Iterable):
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return type(data)(map(encode_to_utf8, data))
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return data
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