Current Dir: /snap/core22/2955/usr/lib/python3.11/lib2to3/fixes/

[FILE] fix_apply.py [ edit | delete | rename ]
[FILE] fix_asserts.py [ edit | delete | rename ]
[FILE] fix_basestring.py [ edit | delete | rename ]
[FILE] fix_buffer.py [ edit | delete | rename ]
[FILE] fix_dict.py [ edit | delete | rename ]
[FILE] fix_except.py [ edit | delete | rename ]
[FILE] fix_exec.py [ edit | delete | rename ]
[FILE] fix_execfile.py [ edit | delete | rename ]
[FILE] fix_exitfunc.py [ edit | delete | rename ]
[FILE] fix_filter.py [ edit | delete | rename ]
[FILE] fix_funcattrs.py [ edit | delete | rename ]
[FILE] fix_future.py [ edit | delete | rename ]
[FILE] fix_getcwdu.py [ edit | delete | rename ]
[FILE] fix_has_key.py [ edit | delete | rename ]
[FILE] fix_idioms.py [ edit | delete | rename ]
[FILE] fix_import.py [ edit | delete | rename ]
[FILE] fix_imports.py [ edit | delete | rename ]
[FILE] fix_imports2.py [ edit | delete | rename ]
[FILE] fix_input.py [ edit | delete | rename ]
[FILE] fix_intern.py [ edit | delete | rename ]
[FILE] fix_isinstance.py [ edit | delete | rename ]
[FILE] fix_itertools.py [ edit | delete | rename ]
[FILE] fix_itertools_imports.py [ edit | delete | rename ]
[FILE] fix_long.py [ edit | delete | rename ]
[FILE] fix_map.py [ edit | delete | rename ]
[FILE] fix_metaclass.py [ edit | delete | rename ]
[FILE] fix_methodattrs.py [ edit | delete | rename ]
[FILE] fix_ne.py [ edit | delete | rename ]
[FILE] fix_next.py [ edit | delete | rename ]
[FILE] fix_nonzero.py [ edit | delete | rename ]
[FILE] fix_numliterals.py [ edit | delete | rename ]
[FILE] fix_operator.py [ edit | delete | rename ]
[FILE] fix_paren.py [ edit | delete | rename ]
[FILE] fix_print.py [ edit | delete | rename ]
[FILE] fix_raise.py [ edit | delete | rename ]
[FILE] fix_raw_input.py [ edit | delete | rename ]
[FILE] fix_reduce.py [ edit | delete | rename ]
[FILE] fix_reload.py [ edit | delete | rename ]
[FILE] fix_renames.py [ edit | delete | rename ]
[FILE] fix_repr.py [ edit | delete | rename ]
[FILE] fix_set_literal.py [ edit | delete | rename ]
[FILE] fix_standarderror.py [ edit | delete | rename ]
[FILE] fix_sys_exc.py [ edit | delete | rename ]
[FILE] fix_throw.py [ edit | delete | rename ]
[FILE] fix_tuple_params.py [ edit | delete | rename ]
[FILE] fix_types.py [ edit | delete | rename ]
[FILE] fix_unicode.py [ edit | delete | rename ]
[FILE] fix_urllib.py [ edit | delete | rename ]
[FILE] fix_ws_comma.py [ edit | delete | rename ]
[FILE] fix_xrange.py [ edit | delete | rename ]
[FILE] fix_xreadlines.py [ edit | delete | rename ]
[FILE] fix_zip.py [ edit | delete | rename ]
[FILE] __init__.py [ edit | delete | rename ]

Viewing: /snap/core22/2955/usr/lib/python3.11/lib2to3/fixes/fix_renames.py

"""Fix incompatible renames

Fixes:
  * sys.maxint -> sys.maxsize
"""
# Author: Christian Heimes
# based on Collin Winter's fix_import

# Local imports
from .. import fixer_base
from ..fixer_util import Name, attr_chain

MAPPING = {"sys":  {"maxint" : "maxsize"},
          }
LOOKUP = {}

def alternates(members):
    return "(" + "|".join(map(repr, members)) + ")"


def build_pattern():
    #bare = set()
    for module, replace in list(MAPPING.items()):
        for old_attr, new_attr in list(replace.items()):
            LOOKUP[(module, old_attr)] = new_attr
            #bare.add(module)
            #bare.add(old_attr)
            #yield """
            #      import_name< 'import' (module=%r
            #          | dotted_as_names< any* module=%r any* >) >
            #      """ % (module, module)
            yield """
                  import_from< 'from' module_name=%r 'import'
                      ( attr_name=%r | import_as_name< attr_name=%r 'as' any >) >
                  """ % (module, old_attr, old_attr)
            yield """
                  power< module_name=%r trailer< '.' attr_name=%r > any* >
                  """ % (module, old_attr)
    #yield """bare_name=%s""" % alternates(bare)


class FixRenames(fixer_base.BaseFix):
    BM_compatible = True
    PATTERN = "|".join(build_pattern())

    order = "pre" # Pre-order tree traversal

    # Don't match the node if it's within another match
    def match(self, node):
        match = super(FixRenames, self).match
        results = match(node)
        if results:
            if any(match(obj) for obj in attr_chain(node, "parent")):
                return False
            return results
        return False

    #def start_tree(self, tree, filename):
    #    super(FixRenames, self).start_tree(tree, filename)
    #    self.replace = {}

    def transform(self, node, results):
        mod_name = results.get("module_name")
        attr_name = results.get("attr_name")
        #bare_name = results.get("bare_name")
        #import_mod = results.get("module")

        if mod_name and attr_name:
            new_attr = LOOKUP[(mod_name.value, attr_name.value)]
            attr_name.replace(Name(new_attr, prefix=attr_name.prefix))


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