mirror of
https://github.com/python/cpython.git
synced 2025-11-04 07:31:38 +00:00
69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
"""Fix incompatible renames
|
|
|
|
Fixes:
|
|
* sys.maxint -> sys.maxsize
|
|
"""
|
|
# Author: Christian Heimes
|
|
# based on Collin Winter's fix_import
|
|
|
|
# Local imports
|
|
from .import basefix
|
|
from .util import Name, attr_chain, any, set
|
|
|
|
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(basefix.BaseFix):
|
|
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.get_prefix()))
|