matthias muntwiler
acea809e4e
based on internal repository c9a2ac8 2019-01-03 16:04:57 +0100 tagged rev-master-2.0.0
41 lines
1.0 KiB
Python
41 lines
1.0 KiB
Python
"""
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@package pmsco.compat
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compatibility code
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code bits to provide compatibility for different python versions.
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currently supported 2.7 and 3.6.
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"""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from io import open as io_open
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def open(fname, mode='r', encoding='latin1'):
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"""
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open a data file for read/write/append using the default str type
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this is a drop-in for io.open
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where data is exchanged via the built-in str type of python,
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whether this is a byte string (python 2) or unicode string (python 3).
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the file is assumed to be a latin-1 encoded binary file.
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@param fname: file name and path
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@param mode: 'r', 'w' or 'a'
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@param encoding: 'latin1' (default), 'ascii' or 'utf-8'
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@return file handle
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"""
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if isinstance(b'b', str):
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# python 2
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mode += 'b'
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kwargs = {}
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else:
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# python 3
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mode += 't'
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kwargs = {'encoding': encoding}
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return io_open(fname, mode, **kwargs)
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