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proc
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self
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root
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opt
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cloudlinux
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venv
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lib64
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python3.11
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site-packages
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pylint_django
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checkers
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Filename :
forms.py
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"""Models.""" from astroid.nodes import Assign, AssignName, ClassDef 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 node_is_subclass def _get_child_meta(node): for child in node.get_children(): if isinstance(child, ClassDef) and child.name == "Meta": return child return None class FormChecker(BaseChecker): """Django model checker.""" __implements__ = IAstroidChecker name = "django-form-checker" msgs = { f"W{BASE_ID}04": ( "Use explicit fields instead of exclude in ModelForm", "modelform-uses-exclude", "Prevents accidentally allowing users to set fields, especially when adding new fields to a Model", ) } @check_messages("modelform-uses-exclude") def visit_classdef(self, node): """Class visitor.""" if not node_is_subclass(node, "django.forms.models.ModelForm", ".ModelForm"): # we only care about forms return meta = _get_child_meta(node) if not meta: return for child in meta.get_children(): if not isinstance(child, Assign) or not isinstance(child.targets[0], AssignName): continue if child.targets[0].name == "exclude": self.add_message(f"W{BASE_ID}04", node=child) break