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https://github.com/PiBrewing/craftbeerpi4.git
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72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
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"""
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Customized Mixin2to3 support:
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- adds support for converting doctests
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This module raises an ImportError on Python 2.
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"""
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import warnings
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from distutils.util import Mixin2to3 as _Mixin2to3
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from distutils import log
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from lib2to3.refactor import RefactoringTool, get_fixers_from_package
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import setuptools
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from ._deprecation_warning import SetuptoolsDeprecationWarning
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class DistutilsRefactoringTool(RefactoringTool):
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def log_error(self, msg, *args, **kw):
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log.error(msg, *args)
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def log_message(self, msg, *args):
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log.info(msg, *args)
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def log_debug(self, msg, *args):
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log.debug(msg, *args)
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class Mixin2to3(_Mixin2to3):
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def run_2to3(self, files, doctests=False):
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# See of the distribution option has been set, otherwise check the
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# setuptools default.
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if self.distribution.use_2to3 is not True:
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return
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if not files:
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return
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warnings.warn(
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"2to3 support is deprecated. If the project still "
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"requires Python 2 support, please migrate to "
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"a single-codebase solution or employ an "
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"independent conversion process.",
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SetuptoolsDeprecationWarning)
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log.info("Fixing " + " ".join(files))
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self.__build_fixer_names()
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self.__exclude_fixers()
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if doctests:
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if setuptools.run_2to3_on_doctests:
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r = DistutilsRefactoringTool(self.fixer_names)
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r.refactor(files, write=True, doctests_only=True)
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else:
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_Mixin2to3.run_2to3(self, files)
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def __build_fixer_names(self):
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if self.fixer_names:
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return
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self.fixer_names = []
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for p in setuptools.lib2to3_fixer_packages:
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self.fixer_names.extend(get_fixers_from_package(p))
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if self.distribution.use_2to3_fixers is not None:
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for p in self.distribution.use_2to3_fixers:
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self.fixer_names.extend(get_fixers_from_package(p))
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def __exclude_fixers(self):
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excluded_fixers = getattr(self, 'exclude_fixers', [])
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if self.distribution.use_2to3_exclude_fixers is not None:
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excluded_fixers.extend(self.distribution.use_2to3_exclude_fixers)
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for fixer_name in excluded_fixers:
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if fixer_name in self.fixer_names:
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self.fixer_names.remove(fixer_name)
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