C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// """Models.""" from astroid import Const from astroid.nodes import Assign, AssignName, ClassDef, FunctionDef from pylint.checkers import BaseChecker from pylint.checkers.utils import check_messages from pylint.interfaces import IAstroidChecker from pylint_django.__pkginfo__ import BASE_ID from pylint_django.utils import PY3, node_is_subclass MESSAGES = { f"E{BASE_ID}01": ( "__unicode__ on a model must be callable (%s)", "model-unicode-not-callable", "Django models require a callable __unicode__ method", ), f"W{BASE_ID}01": ( "No __unicode__ method on model (%s)", "model-missing-unicode", "Django models should implement a __unicode__ method for string representation", ), f"W{BASE_ID}02": ( "Found __unicode__ method on model (%s). Python3 uses __str__.", "model-has-unicode", "Django models should not implement a __unicode__ method for string representation when using Python3", ), f"W{BASE_ID}03": ( "Model does not explicitly define __unicode__ (%s)", "model-no-explicit-unicode", "Django models should implement a __unicode__ method for string representation. " "A parent class of this model does, but ideally all models should be explicit.", ), } def _is_meta_with_abstract(node): if isinstance(node, ClassDef) and node.name == "Meta": for meta_child in node.get_children(): if not isinstance(meta_child, Assign): continue if not meta_child.targets[0].name == "abstract": continue if not isinstance(meta_child.value, Const): continue # TODO: handle tuple assignment? # eg: # abstract, something_else = True, 1 if meta_child.value.value: # this class is abstract return True return False def _has_python_2_unicode_compatible_decorator(node): if node.decorators is None: return False for decorator in node.decorators.nodes: if getattr(decorator, "name", None) == "python_2_unicode_compatible": return True return False def _is_unicode_or_str_in_python_2_compatibility(method): if method.name == "__unicode__": return True if method.name == "__str__" and _has_python_2_unicode_compatible_decorator(method.parent): return True return False class ModelChecker(BaseChecker): """Django model checker.""" __implements__ = IAstroidChecker name = "django-model-checker" msgs = MESSAGES @check_messages("model-missing-unicode") def visit_classdef(self, node): """Class visitor.""" if not node_is_subclass(node, "django.db.models.base.Model", ".Model"): # we only care about models