(
self, node: nodes.Template, frame: t.Optional[Frame] = None
)
| 824 | # -- Statement Visitors |
| 825 | |
| 826 | def visit_Template( |
| 827 | self, node: nodes.Template, frame: t.Optional[Frame] = None |
| 828 | ) -> None: |
| 829 | assert frame is None, "no root frame allowed" |
| 830 | eval_ctx = EvalContext(self.environment, self.name) |
| 831 | |
| 832 | from .runtime import exported, async_exported |
| 833 | |
| 834 | if self.environment.is_async: |
| 835 | exported_names = sorted(exported + async_exported) |
| 836 | else: |
| 837 | exported_names = sorted(exported) |
| 838 | |
| 839 | self.writeline("from jinja2.runtime import " + ", ".join(exported_names)) |
| 840 | |
| 841 | # if we want a deferred initialization we cannot move the |
| 842 | # environment into a local name |
| 843 | envenv = "" if self.defer_init else ", environment=environment" |
| 844 | |
| 845 | # do we have an extends tag at all? If not, we can save some |
| 846 | # overhead by just not processing any inheritance code. |
| 847 | have_extends = node.find(nodes.Extends) is not None |
| 848 | |
| 849 | # find all blocks |
| 850 | for block in node.find_all(nodes.Block): |
| 851 | if block.name in self.blocks: |
| 852 | self.fail(f"block {block.name!r} defined twice", block.lineno) |
| 853 | self.blocks[block.name] = block |
| 854 | |
| 855 | # find all imports and import them |
| 856 | for import_ in node.find_all(nodes.ImportedName): |
| 857 | if import_.importname not in self.import_aliases: |
| 858 | imp = import_.importname |
| 859 | self.import_aliases[imp] = alias = self.temporary_identifier() |
| 860 | if "." in imp: |
| 861 | module, obj = imp.rsplit(".", 1) |
| 862 | self.writeline(f"from {module} import {obj} as {alias}") |
| 863 | else: |
| 864 | self.writeline(f"import {imp} as {alias}") |
| 865 | |
| 866 | # add the load name |
| 867 | self.writeline(f"name = {self.name!r}") |
| 868 | |
| 869 | # generate the root render function. |
| 870 | self.writeline( |
| 871 | f"{self.func('root')}(context, missing=missing{envenv}):", extra=1 |
| 872 | ) |
| 873 | self.indent() |
| 874 | self.write_commons() |
| 875 | |
| 876 | # process the root |
| 877 | frame = Frame(eval_ctx) |
| 878 | if "self" in find_undeclared(node.body, ("self",)): |
| 879 | ref = frame.symbols.declare_parameter("self") |
| 880 | self.writeline(f"{ref} = TemplateReference(context)") |
| 881 | frame.symbols.analyze_node(node) |
| 882 | frame.toplevel = frame.rootlevel = True |
| 883 | frame.require_output_check = have_extends and not self.has_known_extends |
nothing calls this directly
no test coverage detected