File Content: __init__.py import sys from lib2to3 import refactor # The following fixers are "safe": they convert Python 2 code to more # modern Python 2 code. They should be uncontroversial to apply to most # projects that are happy to drop support for Py2.5 and below. Applying # them first will reduce the size of the patch set for the real porting. lib2to3_fix_names_stage1 = set([ 'lib2to3.fixes.fix_apply', 'lib2to3.fixes.fix_except', 'lib2to3.fixes.fix_exec', 'lib2to3.fixes.fix_exitfunc', 'lib2to3.fixes.fix_funcattrs', 'lib2to3.fixes.fix_has_key', 'lib2to3.fixes.fix_idioms', # 'lib2to3.fixes.fix_import', # makes any implicit relative imports explicit. (Use with ``from __future__ import absolute_import) 'lib2to3.fixes.fix_intern', 'lib2to3.fixes.fix_isinstance', 'lib2to3.fixes.fix_methodattrs', 'lib2to3.fixes.fix_ne', # 'lib2to3.fixes.fix_next', # would replace ``next`` method names # with ``__next__``. 'lib2to3.fixes.fix_numliterals', # turns 1L into 1, 0755 into 0o755 'lib2to3.fixes.fix_paren', # 'lib2to3.fixes.fix_print', # see the libfuturize fixer that also # adds ``from __future__ import print_function`` # 'lib2to3.fixes.fix_raise', # uses incompatible with_traceback() method on exceptions 'lib2to3.fixes.fix_reduce', # reduce is available in functools on Py2.6/Py2.7 'lib2to3.fixes.fix_renames', # sys.maxint -> sys.maxsize # 'lib2to3.fixes.fix_set_literal', # this is unnecessary and breaks Py2.6 support 'lib2to3.fixes.fix_repr', 'lib2to3.fixes.fix_standarderror', 'lib2to3.fixes.fix_sys_exc', 'lib2to3.fixes.fix_throw', 'lib2to3.fixes.fix_tuple_params', 'lib2to3.fixes.fix_types', 'lib2to3.fixes.fix_ws_comma', # can perhaps decrease readability: see issue #58 'lib2to3.fixes.fix_xreadlines', ]) # The following fixers add a dependency on the ``future`` package on order to # support Python 2: lib2to3_fix_names_stage2 = set([ # 'lib2to3.fixes.fix_buffer', # perhaps not safe. Test this. # 'lib2to3.fixes.fix_callable', # not needed in Py3.2+ 'lib2to3.fixes.fix_dict', # TODO: add support for utils.viewitems() etc. and move to stage2 # 'lib2to3.fixes.fix_execfile', # some problems: see issue #37. # We use a custom fixer instead (see below) # 'lib2to3.fixes.fix_future', # we don't want to remove __future__ imports 'lib2to3.fixes.fix_getcwdu', # 'lib2to3.fixes.fix_imports', # called by libfuturize.fixes.fix_future_standard_library # 'lib2to3.fixes.fix_imports2', # we don't handle this yet (dbm) # 'lib2to3.fixes.fix_input', # Called conditionally by libfuturize.fixes.fix_input 'lib2to3.fixes.fix_itertools', 'lib2to3.fixes.fix_itertools_imports', 'lib2to3.fixes.fix_filter', 'lib2to3.fixes.fix_long', 'lib2to3.fixes.fix_map', # 'lib2to3.fixes.fix_metaclass', # causes SyntaxError in Py2! Use the one from ``six`` instead 'lib2to3.fixes.fix_next', 'lib2to3.fixes.fix_nonzero', # TODO: cause this to import ``object`` and/or add a decorator for mapping __bool__ to __nonzero__ 'lib2to3.fixes.fix_operator', # we will need support for this by e.g. extending the Py2 operator module to provide those functions in Py3 'lib2to3.fixes.fix_raw_input', # 'lib2to3.fixes.fix_unicode', # strips off the u'' prefix, which removes a potentially helpful source of information for disambiguating unicode/byte strings # 'lib2to3.fixes.fix_urllib', # included in libfuturize.fix_future_standard_library_urllib # 'lib2to3.fixes.fix_xrange', # custom one because of a bug with Py3.3's lib2to3 'lib2to3.fixes.fix_zip', ]) libfuturize_fix_names_stage1 = set([ 'libfuturize.fixes.fix_absolute_import', 'libfuturize.fixes.fix_next_call', # obj.next() -> next(obj). Unlike # lib2to3.fixes.fix_next, doesn't change # the ``next`` method to ``__next__``. 'libfuturize.fixes.fix_print_with_import', 'libfuturize.fixes.fix_raise', # 'libfuturize.fixes.fix_order___future__imports', # TODO: consolidate to a single line to simplify testing ]) libfuturize_fix_names_stage2 = set([ 'libfuturize.fixes.fix_basestring', # 'libfuturize.fixes.fix_add__future__imports_except_unicode_literals', # just in case 'libfuturize.fixes.fix_cmp', 'libfuturize.fixes.fix_division_safe', 'libfuturize.fixes.fix_execfile', 'libfuturize.fixes.fix_future_builtins', 'libfuturize.fixes.fix_future_standard_library', 'libfuturize.fixes.fix_future_standard_library_urllib', 'libfuturize.fixes.fix_input', 'libfuturize.fixes.fix_metaclass', 'libpasteurize.fixes.fix_newstyle', 'libfuturize.fixes.fix_object', # 'libfuturize.fixes.fix_order___future__imports', # TODO: consolidate to a single line to simplify testing 'libfuturize.fixes.fix_unicode_keep_u', # 'libfuturize.fixes.fix_unicode_literals_import', 'libfuturize.fixes.fix_xrange_with_import', # custom one because of a bug with Py3.3's lib2to3 ]) Submit