def _resolve_external_and_local_types(self, ast): dependencies = self._collect_ast_dependencies(ast) if dependencies: self._load_ast_dependencies(dependencies, ast) ast = self._resolve_external_types(ast) ast = ast.Visit(visitors.LookupLocalTypes()) return ast
def assertTypesMatchPytd(self, ty, pytd_src): """Parses pytd_src and compares with ty.""" pytd_tree = parser.parse_string( textwrap.dedent(pytd_src), options=parser.PyiOptions(python_version=self.python_version)) pytd_tree = pytd_tree.Visit( visitors.LookupBuiltins(self.loader.builtins, full_names=False)) pytd_tree = pytd_tree.Visit(visitors.LookupLocalTypes()) pytd_tree = pytd_tree.Visit(visitors.ClassTypeToNamedType()) pytd_tree = pytd_tree.Visit( visitors.CanonicalOrderingVisitor(sort_signatures=True)) pytd_tree.Visit(visitors.VerifyVisitor()) ty = ty.Visit(visitors.ClassTypeToNamedType()) ty = ty.Visit(visitors.AdjustSelf()) ty = ty.Visit(visitors.CanonicalOrderingVisitor(sort_signatures=True)) ty.Visit(visitors.VerifyVisitor()) ty_src = pytd_utils.Print(ty) + "\n" pytd_tree_src = pytd_utils.Print(pytd_tree) + "\n" log.info("========== result ==========") _LogLines(log.info, ty_src) log.info("========== expected ==========") _LogLines(log.info, pytd_tree_src) log.info("==============================") # In the diff output, mark expected with "-" and actual with "+". # (In other words, display a change from "working" to "broken") self.assertMultiLineEqual(pytd_tree_src, ty_src)
def _resolve_external_and_local_types(self, pyval, ast=None): dependencies = self._collect_ast_dependencies(pyval) if dependencies: self._load_ast_dependencies(dependencies, ast or pyval) pyval = self._resolve_external_types(pyval, ast and ast.name) local_lookup = visitors.LookupLocalTypes() if ast: local_lookup.EnterTypeDeclUnit(ast) pyval = pyval.Visit(local_lookup) return pyval
def _postprocess_pyi(self, ast): """Apply all the PYI transformations we need.""" ast = ast.Visit(visitors.LookupBuiltins(self.builtins, full_names=False)) ast = ast.Visit(visitors.ExpandCompatibleBuiltins(self.builtins)) dependencies = self._collect_ast_dependencies(ast) if dependencies: self._load_ast_dependencies(dependencies, ast) ast = self._resolve_external_types(ast) ast = ast.Visit(visitors.LookupLocalTypes()) return ast
def _postprocess_pyi(self, ast): """Apply all the PYI transformations we need.""" package_name = module_utils.get_package_name(ast.name, ast.is_package) if package_name: ast = ast.Visit(visitors.QualifyRelativeNames(package_name)) ast = ast.Visit( visitors.LookupBuiltins(self.builtins, full_names=False)) ast = ast.Visit(visitors.ExpandCompatibleBuiltins(self.builtins)) dependencies = self._collect_ast_dependencies(ast) if dependencies: self._load_ast_dependencies(dependencies, ast) ast = self._resolve_external_types(ast) ast = ast.Visit(visitors.LookupLocalTypes()) return ast
def PrepareForExport(module_name, python_version, ast, loader): """Prepare an ast as if it was parsed and loaded. External dependencies will not be resolved, as the ast generated by this method is supposed to be exported. Args: module_name: The module_name as a string for the returned ast. python_version: A tuple of (major, minor) python version as string (see config.python_version). ast: pytd.TypeDeclUnit, is only used if src is None. loader: A load_pytd.Loader instance. Returns: A pytd.TypeDeclUnit representing the supplied AST as it would look after being written to a file and parsed. """ # This is a workaround for functionality which crept into places it doesn't # belong. Ideally this would call some transformation Visitors on ast to # transform it into the same ast we get after parsing and loading (compare # load_pytd.Loader.load_file). Unfortunately parsing has some special cases, # e.g. '__init__' return type and '__new__' being a 'staticmethod', which # need to be moved to visitors before we can do this. Printing an ast also # applies transformations, # e.g. visitors.PrintVisitor._FormatContainerContents, which need to move to # their own visitors so they can be applied without printing. src = pytd_utils.Print(ast) ast = parser.parse_string(src=src, name=module_name, python_version=python_version) ast = ast.Visit(visitors.LookupBuiltins(loader.builtins, full_names=False)) ast = ast.Visit( visitors.ExpandCompatibleBuiltins(loader.builtins, python_version)) ast = ast.Visit(visitors.LookupLocalTypes()) ast = ast.Visit(visitors.AdjustTypeParameters()) ast = ast.Visit(visitors.NamedTypeToClassType()) ast = ast.Visit(visitors.FillInLocalPointers({"": ast, module_name: ast})) ast = ast.Visit(visitors.CanonicalOrderingVisitor()) ast = ast.Visit( visitors.ClassTypeToLateType( ignore=[module_name + ".", "__builtin__.", "typing."])) return ast
def resolve_local_types(self, mod_ast, *, lookup_ast=None): local_lookup = visitors.LookupLocalTypes() return self._lookup(local_lookup, mod_ast, lookup_ast)