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67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
4 years ago
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# ------------------------------------------------------------------------------
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# The MIT License (MIT)
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#
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# Copyright (c) 2014-2019 Digital Sapphire
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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# ------------------------------------------------------------------------------
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import chardet
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import logging
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import six
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if not six.PY2:
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# Helper for Python 2 and 3 compatibility
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unicode = str
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log = logging.getLogger(__name__)
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def make_compat_str(in_str):
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"""
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Tries to guess encoding of [str/bytes] and decode it into
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an unicode object.
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"""
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assert isinstance(in_str, (bytes, str, unicode))
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if not in_str:
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return unicode()
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# Chardet in Py2 works on str + bytes objects
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if six.PY2 and isinstance(in_str, unicode):
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return in_str
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# Chardet in Py3 works on bytes objects
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if not six.PY2 and not isinstance(in_str, bytes):
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return in_str
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# Detect the encoding now
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enc = chardet.detect(in_str)
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# Decode the object into a unicode object
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out_str = in_str.decode(enc['encoding'])
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# Cleanup: Sometimes UTF-16 strings include the BOM
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if enc['encoding'] == "UTF-16BE":
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# Remove byte order marks (BOM)
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if out_str.startswith('\ufeff'):
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out_str = out_str[1:]
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# Return the decoded string
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return out_str
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