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authorbrenda-br2023-02-23 22:14:39 +0530
committerbrenda-br2023-02-23 22:14:39 +0530
commitd476d2e053f937c0060f696312f301591e4f43ea (patch)
tree5d1643ba487082f986d8cc1868fba482293f1e37 /venv/Lib/site-packages/astroid/interpreter/dunder_lookup.py
parentc5f533673ea9ab4315e76940f6d014e349f97884 (diff)
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Restructure Code -1
Diffstat (limited to 'venv/Lib/site-packages/astroid/interpreter/dunder_lookup.py')
-rw-r--r--venv/Lib/site-packages/astroid/interpreter/dunder_lookup.py66
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diff --git a/venv/Lib/site-packages/astroid/interpreter/dunder_lookup.py b/venv/Lib/site-packages/astroid/interpreter/dunder_lookup.py
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--- a/venv/Lib/site-packages/astroid/interpreter/dunder_lookup.py
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@@ -1,66 +0,0 @@
-# Copyright (c) 2016-2018 Claudiu Popa <pcmanticore@gmail.com>
-# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
-# For details: https://github.com/PyCQA/astroid/blob/master/COPYING.LESSER
-
-"""Contains logic for retrieving special methods.
-
-This implementation does not rely on the dot attribute access
-logic, found in ``.getattr()``. The difference between these two
-is that the dunder methods are looked with the type slots
-(you can find more about these here
-http://lucumr.pocoo.org/2014/8/16/the-python-i-would-like-to-see/)
-As such, the lookup for the special methods is actually simpler than
-the dot attribute access.
-"""
-import itertools
-
-import astroid
-from astroid import exceptions
-
-
-def _lookup_in_mro(node, name):
- attrs = node.locals.get(name, [])
-
- nodes = itertools.chain.from_iterable(
- ancestor.locals.get(name, []) for ancestor in node.ancestors(recurs=True)
- )
- values = list(itertools.chain(attrs, nodes))
- if not values:
- raise exceptions.AttributeInferenceError(attribute=name, target=node)
-
- return values
-
-
-def lookup(node, name):
- """Lookup the given special method name in the given *node*
-
- If the special method was found, then a list of attributes
- will be returned. Otherwise, `astroid.AttributeInferenceError`
- is going to be raised.
- """
- if isinstance(
- node, (astroid.List, astroid.Tuple, astroid.Const, astroid.Dict, astroid.Set)
- ):
- return _builtin_lookup(node, name)
- if isinstance(node, astroid.Instance):
- return _lookup_in_mro(node, name)
- if isinstance(node, astroid.ClassDef):
- return _class_lookup(node, name)
-
- raise exceptions.AttributeInferenceError(attribute=name, target=node)
-
-
-def _class_lookup(node, name):
- metaclass = node.metaclass()
- if metaclass is None:
- raise exceptions.AttributeInferenceError(attribute=name, target=node)
-
- return _lookup_in_mro(metaclass, name)
-
-
-def _builtin_lookup(node, name):
- values = node.locals.get(name, [])
- if not values:
- raise exceptions.AttributeInferenceError(attribute=name, target=node)
-
- return values