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# SPDX-FileCopyrightText: Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# SPDX-License-Identifier: GPL-3.0-or-later
"""Find all PyQt flag instances."""
import pathlib
import ast
import PyQt5
def find_flags(tree):
"""Find all PyQt flags in an AST tree."""
for node in ast.walk(tree):
if not isinstance(node, ast.FunctionDef):
continue
if node.name != "__init__":
continue
if len(node.args.args) == 1:
continue
annotation = node.args.args[1].annotation
if not isinstance(annotation, ast.Subscript):
continue
assert isinstance(annotation.value, ast.Attribute)
assert isinstance(annotation.value.value, ast.Name)
assert annotation.value.value.id == "typing"
if annotation.value.attr != "Union":
continue
assert isinstance(annotation.slice, ast.Tuple)
elts = annotation.slice.elts
if not all(isinstance(n, ast.Constant) for n in elts):
continue
names = [n.value for n in elts]
if not all("." in name for name in names):
continue
yield names
def main():
pyqt5_path = pathlib.Path(PyQt5.__file__).parent
pyi_files = list(pyqt5_path.glob("*.pyi"))
if not pyi_files:
print("No .pyi-files found for your PyQt installation!")
for path in pyi_files:
#print(f"# {path.stem}")
tree = ast.parse(
path.read_text(),
filename=str(path),
type_comments=True,
)
for flag, enum in find_flags(tree):
print(flag, enum)
if __name__ == '__main__':
main()
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