A hack on top of 2to3 for modernizing code for hybrid codebases.
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This library is a very thin wrapper around lib2to3 to utilize it to make Python 2 code more modern with the intention of eventually porting it over to Python 3.
It does not guarantee, but it attempts to spit out a Python 2/3 compatible codebase. The code that it generates has a runtime dependency on six, unless the --no-six option is used.
See the LICENSE file for the license of python-modernize. Using this tool does not affect licensing of the modernized code.
Unicode Literal Control:
By default modernize does not change Unicode literals at all, which means that you can take advantage of PEP 414. This is the simplest option if you only want to support Python 3.3 and above along with Python 2.
Alternatively, there is the --six-unicode flag which will wrap Unicode literals with the six helper function six.u(). This is useful if you want to support Python 3.1 and Python 3.2 without bigger changes.
The last alternative is the --future-unicode flag which imports the unicode_literals from the __future__ module. This requires Python 2.6 and later, and will require that you mark bytestrings with b'' and native strings in str('') or something similar that survives the transformation.
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