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
] )
