42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
# This script generates the __all__ arrays for types/__init__.py and errors/__init__.py
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# to avoid having to manually add both the import and the __all__ entry.
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# See https://github.com/mautrix/python/issues/90 for why __all__ is needed at all.
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from pathlib import Path
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import ast
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import black
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root_module = Path(__file__).parent
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black_cfg = black.parse_pyproject_toml(str(root_module.parent / "pyproject.toml"))
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black_mode = black.Mode(
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target_versions={black.TargetVersion[ver.upper()] for ver in black_cfg["target_version"]},
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line_length=black_cfg["line_length"],
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)
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def add_imports_to_all(dir: str) -> None:
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init_file = root_module / dir / "__init__.py"
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with open(init_file) as f:
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init_ast = ast.parse(f.read(), filename=f"mautrix/{dir}/__init__.py")
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imports: list[str] = []
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all_node: ast.List | None = None
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for node in ast.iter_child_nodes(init_ast):
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if isinstance(node, (ast.Import, ast.ImportFrom)):
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imports += (name.name for name in node.names)
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elif isinstance(node, ast.Assign) and isinstance(node.value, ast.List):
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target = node.targets[0]
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if len(node.targets) == 1 and isinstance(target, ast.Name) and target.id == "__all__":
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all_node = node.value
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all_node.elts = [ast.Constant(name) for name in imports]
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with open(init_file, "w") as f:
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f.write(black.format_str(ast.unparse(init_ast), mode=black_mode))
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add_imports_to_all("types")
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add_imports_to_all("errors")
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