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| Current File : //opt/cloudlinux/venv/lib/python3.11/site-packages/pylint_django/utils.py |
"""Utils."""
import sys
import astroid
from astroid.bases import Instance
from astroid.exceptions import InferenceError
from astroid.nodes import ClassDef
from pylint_django.compat import Uninferable
PY3 = sys.version_info >= (3, 0) # TODO: pylint_django doesn't support Py2 any more
def node_is_subclass(cls, *subclass_names):
"""Checks if cls node has parent with subclass_name."""
if not isinstance(cls, (ClassDef, Instance)):
return False
if cls.bases == Uninferable:
return False
for base_cls in cls.bases:
try:
for inf in base_cls.inferred():
if inf.qname() in subclass_names:
return True
if inf != cls and node_is_subclass(inf, *subclass_names):
# check up the hierarchy in case we are a subclass of
# a subclass of a subclass ...
return True
except InferenceError:
continue
return False
def is_migrations_module(node):
if not isinstance(node, astroid.Module):
return False
return "migrations" in node.path[0] and not node.path[0].endswith("__init__.py")