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52 lines
2.1 KiB
Python
52 lines
2.1 KiB
Python
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# Copyright (c) 2017-2018 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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import collections
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import sys
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import astroid
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def _clone_node_with_lineno(node, parent, lineno):
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cls = node.__class__
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other_fields = node._other_fields
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_astroid_fields = node._astroid_fields
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init_params = {"lineno": lineno, "col_offset": node.col_offset, "parent": parent}
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postinit_params = {param: getattr(node, param) for param in _astroid_fields}
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if other_fields:
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init_params.update({param: getattr(node, param) for param in other_fields})
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new_node = cls(**init_params)
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if hasattr(node, "postinit") and _astroid_fields:
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for param, child in postinit_params.items():
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if child and not isinstance(child, collections.Sequence):
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cloned_child = _clone_node_with_lineno(
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node=child, lineno=new_node.lineno, parent=new_node
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)
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postinit_params[param] = cloned_child
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new_node.postinit(**postinit_params)
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return new_node
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def _transform_formatted_value(node):
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if node.value and node.value.lineno == 1:
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if node.lineno != node.value.lineno:
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new_node = astroid.FormattedValue(
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lineno=node.lineno, col_offset=node.col_offset, parent=node.parent
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)
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new_value = _clone_node_with_lineno(
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node=node.value, lineno=node.lineno, parent=new_node
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)
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new_node.postinit(value=new_value, format_spec=node.format_spec)
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return new_node
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if sys.version_info[:2] >= (3, 6):
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# TODO: this fix tries to *patch* http://bugs.python.org/issue29051
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# The problem is that FormattedValue.value, which is a Name node,
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# has wrong line numbers, usually 1. This creates problems for pylint,
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# which expects correct line numbers for things such as message control.
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astroid.MANAGER.register_transform(
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astroid.FormattedValue, _transform_formatted_value
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)
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