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tools/brzflakes.py

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#!/usr/bin/python3

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import ast

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from pyflakes.checker import Checker, ImportationFrom

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# Do some monkey patching..

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def CALL(self, node):

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    if isinstance(node.func, ast.Name) and node.func.id == 'lazy_import':

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        self.LAZY_IMPORT(node)

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    elif (isinstance(node.func, ast.Attribute) and

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            node.func.attr == 'lazy_import' and

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            node.func.value.id == 'lazy_import'):

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        self.LAZY_IMPORT(node)

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    return self.handleChildren(node)

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Checker.CALL = CALL

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def LAZY_IMPORT(self, node):

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    from breezy.lazy_import import ImportProcessor

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    processor = ImportProcessor()

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    if not isinstance(node.args[1], ast.Str):

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        # Not sure how to deal with this..

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        return

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    import_text = node.args[1].s

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    scope = {}

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    processor.lazy_import(scope, import_text)

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    for name, (path, sub, scope) in processor.imports.items():

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        importation = ImportationFrom(name, node, '.'.join(path), scope)

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        self.addBinding(node, importation)

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Checker.LAZY_IMPORT = LAZY_IMPORT

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if __name__ == '__main__':

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    from pyflakes import __main__

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    __main__.main()

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