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44 lines
1.5 KiB
Python
44 lines
1.5 KiB
Python
"""
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Migrate QFileDialog methods from PyQt4 to PyQt5
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"""
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# Author: Médéric Ribreux <mederic.ribreux@medspx.fr>
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# Adapted from fix_pyqt
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# and http://python3porting.com/fixers.html
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# Local imports
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from lib2to3.fixer_base import BaseFix
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class FixQfiledialog(BaseFix):
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PATTERN = """
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power< 'QFileDialog' trailer< '.' filter=('getOpenFileNameAndFilter'|'getOpenFileNamesAndFilter'|'getSaveFileNameAndFilter') > any >
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expr_stmt< filename=any '=' power< any trailer< '(' power< 'QFileDialog' trailer< '.' method=('getOpenFileName'|'getOpenFileNames'|'getSaveFileName') > any > ')' > > >
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expr_stmt< filename=any '=' power< 'QFileDialog' trailer< '.' method=('getOpenFileName'|'getOpenFileNames'|'getSaveFileName') > any > >
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"""
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def transform(self, node, results):
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# First case: getOpen/SaveFileName
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# We need to add __ variable because in PyQt5
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# getOpen/SaveFileName returns a tuple
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if 'filename' in results:
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node = results['filename']
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# count number of leaves (result variables)
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nbLeaves = sum(1 for i in node.leaves())
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# If we have less than two args,
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# we add __ special variable
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if nbLeaves < 3:
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fileName = node.value
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node.value = f'{fileName}, __'
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node.changed()
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# Rename *AndFilter methods
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if 'filter' in results:
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method = results['filter'][0]
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method.value = method.value.replace('AndFilter', '')
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method.changed()
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