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EDIT :: lib2to3_ex.py

""" Customized Mixin2to3 support: - adds support for converting doctests This module raises an ImportError on Python 2. """ from distutils.util import Mixin2to3 as _Mixin2to3 from distutils import log from lib2to3.refactor import RefactoringTool, get_fixers_from_package import setuptools class DistutilsRefactoringTool(RefactoringTool): def log_error(self, msg, *args, **kw): log.error(msg, *args) def log_message(self, msg, *args): log.info(msg, *args) def log_debug(self, msg, *args): log.debug(msg, *args) class Mixin2to3(_Mixin2to3): def run_2to3(self, files, doctests = False): # See of the distribution option has been set, otherwise check the # setuptools default. if self.distribution.use_2to3 is not True: return if not files: return log.info("Fixing "+" ".join(files)) self.__build_fixer_names() self.__exclude_fixers() if doctests: if setuptools.run_2to3_on_doctests: r = DistutilsRefactoringTool(self.fixer_names) r.refactor(files, write=True, doctests_only=True) else: _Mixin2to3.run_2to3(self, files) def __build_fixer_names(self): if self.fixer_names: return self.fixer_names = [] for p in setuptools.lib2to3_fixer_packages: self.fixer_names.extend(get_fixers_from_package(p)) if self.distribution.use_2to3_fixers is not None: for p in self.distribution.use_2to3_fixers: self.fixer_names.extend(get_fixers_from_package(p)) def __exclude_fixers(self): excluded_fixers = getattr(self, 'exclude_fixers', []) if self.distribution.use_2to3_exclude_fixers is not None: excluded_fixers.extend(self.distribution.use_2to3_exclude_fixers) for fixer_name in excluded_fixers: if fixer_name in self.fixer_names: self.fixer_names.remove(fixer_name)

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