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Diffstat (limited to 'venv/Lib/site-packages/pylint/checkers/newstyle.py')
| -rw-r--r-- | venv/Lib/site-packages/pylint/checkers/newstyle.py | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/venv/Lib/site-packages/pylint/checkers/newstyle.py b/venv/Lib/site-packages/pylint/checkers/newstyle.py deleted file mode 100644 index 46f4e4e..0000000 --- a/venv/Lib/site-packages/pylint/checkers/newstyle.py +++ /dev/null @@ -1,127 +0,0 @@ -# Copyright (c) 2006, 2008-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr> -# Copyright (c) 2012-2014 Google, Inc. -# Copyright (c) 2013-2018 Claudiu Popa <pcmanticore@gmail.com> -# Copyright (c) 2014 Michal Nowikowski <godfryd@gmail.com> -# Copyright (c) 2014 Brett Cannon <brett@python.org> -# Copyright (c) 2014 Arun Persaud <arun@nubati.net> -# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro> -# Copyright (c) 2016 Alexander Todorov <atodorov@otb.bg> -# Copyright (c) 2016 Jakub Wilk <jwilk@jwilk.net> - -# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html -# For details: https://github.com/PyCQA/pylint/blob/master/COPYING - -"""check for new / old style related problems -""" -import astroid - -from pylint.checkers import BaseChecker -from pylint.checkers.utils import check_messages, has_known_bases, node_frame_class -from pylint.interfaces import IAstroidChecker - -MSGS = { - "E1003": ( - "Bad first argument %r given to super()", - "bad-super-call", - "Used when another argument than the current class is given as " - "first argument of the super builtin.", - ) -} - - -class NewStyleConflictChecker(BaseChecker): - """checks for usage of new style capabilities on old style classes and - other new/old styles conflicts problems - * use of property, __slots__, super - * "super" usage - """ - - __implements__ = (IAstroidChecker,) - - # configuration section name - name = "newstyle" - # messages - msgs = MSGS - priority = -2 - # configuration options - options = () - - @check_messages("bad-super-call") - def visit_functiondef(self, node): - """check use of super""" - # ignore actual functions or method within a new style class - if not node.is_method(): - return - klass = node.parent.frame() - for stmt in node.nodes_of_class(astroid.Call): - if node_frame_class(stmt) != node_frame_class(node): - # Don't look down in other scopes. - continue - - expr = stmt.func - if not isinstance(expr, astroid.Attribute): - continue - - call = expr.expr - # skip the test if using super - if not ( - isinstance(call, astroid.Call) - and isinstance(call.func, astroid.Name) - and call.func.name == "super" - ): - continue - - # super should not be used on an old style class - if klass.newstyle or not has_known_bases(klass): - # super first arg should not be the class - if not call.args: - continue - - # calling super(type(self), self) can lead to recursion loop - # in derived classes - arg0 = call.args[0] - if ( - isinstance(arg0, astroid.Call) - and isinstance(arg0.func, astroid.Name) - and arg0.func.name == "type" - ): - self.add_message("bad-super-call", node=call, args=("type",)) - continue - - # calling super(self.__class__, self) can lead to recursion loop - # in derived classes - if ( - len(call.args) >= 2 - and isinstance(call.args[1], astroid.Name) - and call.args[1].name == "self" - and isinstance(arg0, astroid.Attribute) - and arg0.attrname == "__class__" - ): - self.add_message( - "bad-super-call", node=call, args=("self.__class__",) - ) - continue - - try: - supcls = call.args and next(call.args[0].infer(), None) - except astroid.InferenceError: - continue - - if klass is not supcls: - name = None - # if supcls is not Uninferable, then supcls was inferred - # and use its name. Otherwise, try to look - # for call.args[0].name - if supcls: - name = supcls.name - elif call.args and hasattr(call.args[0], "name"): - name = call.args[0].name - if name: - self.add_message("bad-super-call", node=call, args=(name,)) - - visit_asyncfunctiondef = visit_functiondef - - -def register(linter): - """required method to auto register this checker """ - linter.register_checker(NewStyleConflictChecker(linter)) |