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65 lines
1.8 KiB
Python
65 lines
1.8 KiB
Python
# Copyright (c) 2019-2020 hippo91 <guillaume.peillex@gmail.com>
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# Copyright (c) 2019 Claudiu Popa <pcmanticore@gmail.com>
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# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
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# For details: https://github.com/PyCQA/astroid/blob/master/COPYING.LESSER
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"""Different utilities for the numpy brains"""
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import astroid
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def infer_numpy_member(src, node, context=None):
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node = astroid.extract_node(src)
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return node.infer(context=context)
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def _is_a_numpy_module(node: astroid.node_classes.Name) -> bool:
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"""
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Returns True if the node is a representation of a numpy module.
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For example in :
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import numpy as np
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x = np.linspace(1, 2)
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The node <Name.np> is a representation of the numpy module.
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:param node: node to test
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:return: True if the node is a representation of the numpy module.
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"""
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module_nickname = node.name
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potential_import_target = [
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x for x in node.lookup(module_nickname)[1] if isinstance(x, astroid.Import)
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]
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for target in potential_import_target:
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if ("numpy", module_nickname) in target.names:
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return True
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return False
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def looks_like_numpy_member(
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member_name: str, node: astroid.node_classes.NodeNG
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) -> bool:
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"""
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Returns True if the node is a member of numpy whose
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name is member_name.
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:param member_name: name of the member
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:param node: node to test
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:return: True if the node is a member of numpy
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"""
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if (
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isinstance(node, astroid.Attribute)
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and node.attrname == member_name
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and isinstance(node.expr, astroid.Name)
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and _is_a_numpy_module(node.expr)
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):
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return True
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if (
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isinstance(node, astroid.Name)
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and node.name == member_name
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and node.root().name.startswith("numpy")
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):
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return True
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return False
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