[TYP] Add tool for running stubtest #26928
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| import ast | ||
| import os | ||
| import pathlib | ||
| import subprocess | ||
| import sys | ||
| import tempfile | ||
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| root = pathlib.Path(__file__).parent.parent | ||
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| lib = root / "lib" | ||
| mpl = lib / "matplotlib" | ||
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| class Visitor(ast.NodeVisitor): | ||
| def __init__(self, filepath, output): | ||
| self.filepath = filepath | ||
| self.context = list(filepath.with_suffix("").relative_to(lib).parts) | ||
| self.output = output | ||
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| def visit_FunctionDef(self, node): | ||
| if any("delete_parameter" in ast.unparse(line) for line in node.decorator_list): | ||
| parents = [] | ||
| if hasattr(node, "parent"): | ||
| parent = node.parent | ||
| while hasattr(parent, "parent") and not isinstance(parent, ast.Module): | ||
| parents.insert(0, parent.name) | ||
| parent = parent.parent | ||
| self.output.write(f"{'.'.join(self.context + parents)}.{node.name}\n") | ||
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| def visit_ClassDef(self, node): | ||
| for dec in node.decorator_list: | ||
| if "define_aliases" in ast.unparse(dec): | ||
| parents = [] | ||
| if hasattr(node, "parent"): | ||
| parent = node.parent | ||
| while hasattr(parent, "parent") and not isinstance( | ||
| parent, ast.Module | ||
| ): | ||
| parents.insert(0, parent.name) | ||
| parent = parent.parent | ||
| aliases = ast.literal_eval(dec.args[0]) | ||
| # Written as a regex rather than two lines to avoid unused entries | ||
| # for setters on items with only a getter | ||
| for substitutions in aliases.values(): | ||
| parts = self.context + parents + [node.name] | ||
| self.output.write( | ||
| "\n".join( | ||
| f"{'.'.join(parts)}.[gs]et_{a}\n" for a in substitutions | ||
| ) | ||
| ) | ||
| for child in ast.iter_child_nodes(node): | ||
| self.visit(child) | ||
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| with tempfile.TemporaryDirectory() as d: | ||
| p = pathlib.Path(d) / "allowlist.txt" | ||
| with p.open("wt") as f: | ||
| for path in mpl.glob("**/*.py"): | ||
| v = Visitor(path, f) | ||
| tree = ast.parse(path.read_text()) | ||
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| # Assign parents to tree so they can be backtraced | ||
| for node in ast.walk(tree): | ||
| for child in ast.iter_child_nodes(node): | ||
| child.parent = node | ||
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| v.visit(tree) | ||
| proc = subprocess.run( | ||
| [ | ||
| "stubtest", | ||
| "--mypy-config-file=pyproject.toml", | ||
| "--allowlist=ci/mypy-stubtest-allowlist.txt", | ||
| f"--allowlist={p}", | ||
| "matplotlib", | ||
| ], | ||
| cwd=root, | ||
| env=os.environ | {"MPLBACKEND": "agg"}, | ||
| ) | ||
| try: | ||
| os.unlink(f.name) | ||
| except OSError: | ||
| pass | ||
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Comment on lines
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There was a problem hiding this comment. Oops, I just realized this is still here; it can probably be deleted now that you're using |
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| sys.exit(proc.returncode) |
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