Find all filter and test names used in the template and assign them to variables in the compiled namespace. Checking that the names are registered with the environment is done when compiling the Filter and Test nodes. If the node is in an If or CondExpr node, the chec
(self, nodes: t.Iterable[nodes.Node])
| 536 | self.visit(node.dyn_kwargs, frame) |
| 537 | |
| 538 | def pull_dependencies(self, nodes: t.Iterable[nodes.Node]) -> None: |
| 539 | """Find all filter and test names used in the template and |
| 540 | assign them to variables in the compiled namespace. Checking |
| 541 | that the names are registered with the environment is done when |
| 542 | compiling the Filter and Test nodes. If the node is in an If or |
| 543 | CondExpr node, the check is done at runtime instead. |
| 544 | |
| 545 | .. versionchanged:: 3.0 |
| 546 | Filters and tests in If and CondExpr nodes are checked at |
| 547 | runtime instead of compile time. |
| 548 | """ |
| 549 | visitor = DependencyFinderVisitor() |
| 550 | |
| 551 | for node in nodes: |
| 552 | visitor.visit(node) |
| 553 | |
| 554 | for id_map, names, dependency in (self.filters, visitor.filters, "filters"), ( |
| 555 | self.tests, |
| 556 | visitor.tests, |
| 557 | "tests", |
| 558 | ): |
| 559 | for name in sorted(names): |
| 560 | if name not in id_map: |
| 561 | id_map[name] = self.temporary_identifier() |
| 562 | |
| 563 | # add check during runtime that dependencies used inside of executed |
| 564 | # blocks are defined, as this step may be skipped during compile time |
| 565 | self.writeline("try:") |
| 566 | self.indent() |
| 567 | self.writeline(f"{id_map[name]} = environment.{dependency}[{name!r}]") |
| 568 | self.outdent() |
| 569 | self.writeline("except KeyError:") |
| 570 | self.indent() |
| 571 | self.writeline("@internalcode") |
| 572 | self.writeline(f"def {id_map[name]}(*unused):") |
| 573 | self.indent() |
| 574 | self.writeline( |
| 575 | f'raise TemplateRuntimeError("No {dependency[:-1]}' |
| 576 | f' named {name!r} found.")' |
| 577 | ) |
| 578 | self.outdent() |
| 579 | self.outdent() |
| 580 | |
| 581 | def enter_frame(self, frame: Frame) -> None: |
| 582 | undefs = [] |
no test coverage detected