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Tools to open .py files as Unicode, using the encoding specified within the file,
as per PEP 263.
Much of the code is taken from the tokenize module in Python 3.2.
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filename : str
The path to the file to read.
skip_encoding_cookie : bool
If True (the default), and the encoding declaration is found in the first
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Parameters
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url : str
The URL from which to fetch the file.
errors : str
How to handle decoding errors in the file. Options are the same as for
bytes.decode(), but here 'replace' is the default.
skip_encoding_cookie : bool
If True (the default), and the encoding declaration is found in the first
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