Coverage for pyTooling/GitHub/Sphinx/Graph.py: 97%

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10# Patrick Lehmann # 

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14# Copyright 2026-2026 Patrick Lehmann - Bötzingen, Germany # 

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30# 

31""" 

32A Sphinx directive drawing the pipeline of a GitHub Actions workflow as a Graphviz graph. 

33 

34The jobs of a workflow and the ``needs`` between them are its pipeline. This directive draws it at build time from the 

35workflow file: 

36 

37.. code-block:: ReST 

38 

39 .. ghactions:pipeline-graph:: ../.github/workflows/CompletePipeline.yml 

40 :depth: 1 

41 

42A job is a node labelled with its name and, if it calls a reusable workflow, that workflow's file. A reusable workflow 

43of the documented repository is expanded into a cluster of its own jobs, as many levels deep as ``:depth:`` says. In 

44HTML, a node links to the page documenting its reusable workflow, if the ``ghactions`` domain knows one. 

45 

46.. seealso:: 

47 

48 :mod:`pyTooling.GitHub.WorkflowFile` 

49 |rarr| The model of a workflow file the graph is drawn from. 

50 :mod:`pyTooling.CI` 

51 |rarr| The service-independent model of a pipeline, which a workflow file is converted into. 

52 :mod:`pyTooling.Sphinx.SchemaGraph` 

53 |rarr| The other graph directives of the extension. 

54""" 

55from __future__ import annotations 

56 

57from html import escape as html_escape 

58from pathlib import Path, PurePosixPath 

59from re import Match, compile as re_compile 

60from typing import TYPE_CHECKING, Any, Optional as Nullable 

61 

62from docutils import nodes 

63from docutils.parsers.rst import directives 

64from sphinx.application import Sphinx 

65from sphinx.ext.graphviz import align_spec, figure_wrapper, graphviz 

66from sphinx.util.logging import getLogger 

67 

68from pyTooling.CI import Base as CIBase, Matrix as CIMatrix, Workflow as CIWorkflow 

69from pyTooling.Common import getFullyQualifiedName 

70from pyTooling.Decorators import export, readonly 

71from pyTooling.Graph import Vertex 

72from pyTooling.MetaClasses import ExtendedType 

73from pyTooling.Sphinx import BaseDirective, SphinxExtensionError, strip, stripAndNormalize 

74 

75if TYPE_CHECKING: # pragma: no cover 

76 from pyTooling.GitHub.WorkflowFile import Job, Workflow, WorkflowResolver 

77 

78 

79__all__ = ["GRAPH_ATTRIBUTES", "CSS_CLASS", "LINK_MARKER"] 

80 

81#: Attributes every pipeline graph is drawn with. 

82GRAPH_ATTRIBUTES = ( 

83 "compound=true;", 

84 "newrank=true;", 

85 'fontname="sans-serif";', 

86 'fontsize="10";', 

87 "nodesep=0.25;", 

88 "ranksep=0.4;", 

89 'node [shape="box", style="rounded,filled", color="#5f6b7a", fillcolor="#e4ecf7", penwidth="1.0",', 

90 ' fontname="sans-serif", fontsize="10"];', 

91 'edge [color="#5f6b7a", arrowsize="0.7"];', 

92) 

93 

94#: CSS class of a pipeline graph's ``graphviz`` node, which is also how :func:`resolveLinks` finds it. 

95CSS_CLASS = "ghactions-pipeline-graph" 

96 

97#: A DOT comment, and the whitespace before it, standing where a job's link belongs, until :func:`resolveLinks` 

98#: replaces it by the link or removes it. 

99LINK_MARKER = re_compile(r"(?P<space>\s*)/\*ghactions-link:(?P<stem>[^*]*)\*/") 

100 

101_logger = getLogger(__name__) 

102 

103 

104@export 

105class PipelineDotGraph(metaclass=ExtendedType, slots=True): 

106 """ 

107 The pipeline of a workflow in the DOT language: its jobs as nodes, their ``needs`` as edges. 

108 

109 The workflow is converted by :meth:`Workflow.ToPipeline <pyTooling.GitHub.WorkflowFile.Workflow.ToPipeline>` into a 

110 :mod:`pyTooling.CI` model, and that by :meth:`~pyTooling.CI.Workflow.ToGraph` into a 

111 :class:`~pyTooling.Graph.Graph`, which is drawn: a vertex is a node, an edge an edge, and a called workflow with a 

112 :class:`~pyTooling.Graph.Subgraph` a cluster of the vertices it links to. 

113 

114 The kind of an element is its node's shape and style: 

115 

116 * a job calling a reusable workflow is a rounded box, labelled with the job's name and the workflow's file; 

117 * a job calling a reusable workflow of another repository is a white rounded box, and its label also names that 

118 repository and ref - it is never expanded; 

119 * a job running steps is a grey box with square corners; 

120 * a job with an ``if`` condition is dashed, and its tooltip is the condition; 

121 * a job with a ``strategy.matrix`` is a cluster of its instances, and its label names the matrix' dimensions: an 

122 instance of a job running steps is a job's node, an instance calling a reusable workflow is drawn as a job calling 

123 it. A dynamic matrix - its combinations known only at run time - is one node with a double border. 

124 

125 A job calling a reusable workflow that :class:`~pyTooling.GitHub.WorkflowFile.WorkflowResolver` finds locally is 

126 drawn as a cluster of that workflow's jobs instead, until the depth is used up - an instance of a matrix as well. An 

127 edge to or from a job drawn as a cluster ends at the cluster's border. 

128 

129 The graph's edges read *needs*; an arrow is drawn the other way round, from the needed job to the job needing it, 

130 in the direction the pipeline runs. 

131 

132 The graph is drawn in file order, so the same workflow is always drawn as the same DOT. 

133 """ 

134 

135 _resolver: WorkflowResolver #: Resolver reading the reusable workflows the jobs call. 

136 _link: bool #: Whether a job calling a reusable workflow of the documented repository is linked. 

137 _statements: list[str] #: The statements written so far, one per line, already indented. 

138 _jobs: list[Job] #: The jobs drawn, each once, in the order they were drawn. 

139 _workflows: list[Workflow] #: The workflows drawn, each once, the entry-point workflow first. 

140 

141 def __init__( 

142 self, 

143 workflow: Workflow, 

144 resolver: Nullable[WorkflowResolver] = None, 

145 direction: str = "LR", 

146 depth: int = 0, 

147 reduce: bool = True, 

148 link: bool = True 

149 ) -> None: 

150 """ 

151 Initializes the graph by drawing a workflow. 

152 

153 :param workflow: The workflow to draw. 

154 :param resolver: Optional, the resolver reading the reusable workflows the jobs call. It also decides which 

155 repository is documented: a local one, and every repository it maps to a directory. 

156 Default: a resolver knowing local references only. 

157 :param direction: Optional, direction the pipeline flows in: ``LR`` (left to right) or ``TB`` (top to 

158 bottom). Default: ``LR``. 

159 :param depth: Optional, levels of reusable workflows expanded into clusters. Default: ``0``. 

160 :param reduce: Optional, drop an edge a longer path implies. Default: ``True``. 

161 :param link: Optional, mark a job calling a reusable workflow of the documented repository for 

162 :func:`resolveLinks`. Default: ``True``. 

163 :raises ValueError: If parameter 'workflow' is None. 

164 :raises TypeError: If parameter 'workflow' is not of type :class:`~pyTooling.GitHub.WorkflowFile.Workflow`. 

165 :raises TypeError: If parameter 'resolver' is not of type 

166 :class:`~pyTooling.GitHub.WorkflowFile.WorkflowResolver`. 

167 :raises ValueError: If parameter 'direction' is None. 

168 :raises TypeError: If parameter 'direction' is not of type :class:`str`. 

169 :raises ValueError: If parameter 'direction' is neither ``LR`` nor ``TB``. 

170 :raises ValueError: If parameter 'depth' is None. 

171 :raises TypeError: If parameter 'depth' is not of type :class:`int`. 

172 :raises ValueError: If parameter 'depth' is negative. 

173 :raises ValueError: If parameter 'reduce' is None. 

174 :raises TypeError: If parameter 'reduce' is not of type :class:`bool`. 

175 :raises ValueError: If parameter 'link' is None. 

176 :raises TypeError: If parameter 'link' is not of type :class:`bool`. 

177 :raises WorkflowError: If a reusable workflow to expand doesn't exist, or is not a well-formed workflow. 

178 """ 

179 from pyTooling.GitHub.WorkflowFile import Workflow, WorkflowResolver 

180 

181 if workflow is None: 

182 raise ValueError("Parameter 'workflow' is None.") 

183 elif not isinstance(workflow, Workflow): 

184 ex = TypeError("Parameter 'workflow' is not of type 'Workflow'.") 

185 ex.add_note(f"Got type '{getFullyQualifiedName(workflow)}'.") 

186 raise ex 

187 

188 if resolver is None: 

189 resolver = WorkflowResolver() 

190 elif not isinstance(resolver, WorkflowResolver): 

191 ex = TypeError("Parameter 'resolver' is not of type 'WorkflowResolver'.") 

192 ex.add_note(f"Got type '{getFullyQualifiedName(resolver)}'.") 

193 raise ex 

194 

195 if direction is None: 

196 raise ValueError("Parameter 'direction' is None.") 

197 elif not isinstance(direction, str): 

198 ex = TypeError("Parameter 'direction' is not of type 'str'.") 

199 ex.add_note(f"Got type '{getFullyQualifiedName(direction)}'.") 

200 raise ex 

201 elif direction not in ("LR", "TB"): 

202 ex = ValueError("Parameter 'direction' is neither 'LR' nor 'TB'.") 

203 ex.add_note(f"Got value '{direction}'.") 

204 raise ex 

205 

206 if depth is None: 

207 raise ValueError("Parameter 'depth' is None.") 

208 elif not isinstance(depth, int) or isinstance(depth, bool): 

209 ex = TypeError("Parameter 'depth' is not of type 'int'.") 

210 ex.add_note(f"Got type '{getFullyQualifiedName(depth)}'.") 

211 raise ex 

212 elif depth < 0: 

213 ex = ValueError("Parameter 'depth' is negative.") 

214 ex.add_note(f"Got value '{depth}'.") 

215 raise ex 

216 

217 if reduce is None: 

218 raise ValueError("Parameter 'reduce' is None.") 

219 elif not isinstance(reduce, bool): 

220 ex = TypeError("Parameter 'reduce' is not of type 'bool'.") 

221 ex.add_note(f"Got type '{getFullyQualifiedName(reduce)}'.") 

222 raise ex 

223 

224 if link is None: 

225 raise ValueError("Parameter 'link' is None.") 

226 elif not isinstance(link, bool): 

227 ex = TypeError("Parameter 'link' is not of type 'bool'.") 

228 ex.add_note(f"Got type '{getFullyQualifiedName(link)}'.") 

229 raise ex 

230 

231 self._resolver = resolver 

232 self._link = link 

233 self._statements = [f"\trankdir={direction};", *(f"\t{attribute}" for attribute in GRAPH_ATTRIBUTES), ""] 

234 self._jobs = [] 

235 self._workflows = [workflow] 

236 

237 graph = workflow.ToPipeline(resolver, depth).ToGraph(reduce=reduce) 

238 self._DrawVertices(list(graph.IterateVertices()), "", "\t") 

239 

240 @readonly 

241 def Jobs(self) -> list[Job]: 

242 """ 

243 Read-only property to access the jobs drawn (:attr:`_jobs`). 

244 

245 A reusable workflow expanded twice is drawn twice, but its jobs are listed once. 

246 

247 :returns: The jobs of every workflow drawn, in the order they were drawn. 

248 """ 

249 return self._jobs 

250 

251 @readonly 

252 def Workflows(self) -> list[Workflow]: 

253 """ 

254 Read-only property to access the workflows drawn (:attr:`_workflows`). 

255 

256 :returns: The entry-point workflow, followed by every reusable workflow expanded into a cluster, each once. 

257 """ 

258 return self._workflows 

259 

260 @staticmethod 

261 def _Quote(text: str) -> str: 

262 """ 

263 Quote a text as a DOT string, keeping its line breaks as escape sequences. 

264 

265 :param text: The text to quote. 

266 :returns: The text in double quotes. 

267 """ 

268 text = text.replace("\\", "\\\\").replace('"', '\\"').replace("\n", "\\n") 

269 

270 return f'"{text}"' 

271 

272 @staticmethod 

273 def _Label(title: str, lines: list[str]) -> str: 

274 """ 

275 Render an HTML-like label: a title and, below it, lines in a smaller font. 

276 

277 :param title: The title, unescaped. 

278 :param lines: The lines below the title, unescaped. 

279 :returns: The label in angle brackets, as DOT writes an HTML-like label. 

280 """ 

281 label = html_escape(title, quote=False) 

282 for line in lines: 

283 label += f'<br/><font point-size="8" color="#3d4652">{html_escape(line, quote=False)}</font>' 

284 

285 return f"<{label}>" 

286 

287 def _Describe(self, element: CIBase) -> tuple[list[str], list[str], str]: 

288 """ 

289 Describe an element of the pipeline: the lines of its label, the parts of its style, and its tooltip. 

290 

291 :param element: The job, matrix or called workflow to describe. 

292 :returns: The label's lines below the element's name, the style's parts, and the tooltip - the reusable 

293 workflow called and the condition of each rule, one per line, or an empty string. 

294 """ 

295 lines = [] 

296 style = [] 

297 tooltip = [] 

298 

299 if (uses := element.Definition.Uses) is not None: 

300 lines.append(uses.FileName) 

301 if not self._resolver.CanResolve(uses): 

302 lines.append(f"{uses.Repository}@{uses.Reference}") 

303 tooltip.append(f"uses: {uses}") 

304 

305 if isinstance(element, CIMatrix): 

306 if (matrix := element.Definition.Matrix).IsDynamic or len(matrix.Dimensions) == 0: 

307 lines.append("matrix") 

308 else: 

309 lines.append(f"matrix: {', '.join(matrix.Dimensions)}") 

310 

311 if element.RuleCount > 0: 

312 style.append("dashed") 

313 for rule in element.Rules: 

314 tooltip.append(f"if: {rule.Condition}") 

315 

316 return lines, style, "\n".join(tooltip) 

317 

318 def _DrawNode(self, element: CIBase, identifier: str, indent: str) -> None: 

319 """ 

320 Draw a job, a matrix or a called workflow that isn't expanded as a node. 

321 

322 :param element: The element to draw. 

323 :param identifier: Identifier of the node. 

324 :param indent: Indentation of the node's statement. 

325 """ 

326 lines, style, tooltip = self._Describe(element) 

327 

328 if (uses := element.Definition.Uses) is None: 

329 attributes = {"style": ",".join(("filled", *style)), "fillcolor": "#f2f2f2"} 

330 elif self._resolver.CanResolve(uses): 

331 attributes = {"style": ",".join(("rounded", "filled", *style))} 

332 else: 

333 attributes = {"style": ",".join(("rounded", "filled", *style)), "fillcolor": "#ffffff"} 

334 

335 if isinstance(element, CIMatrix): 

336 attributes["peripheries"] = "2" 

337 

338 statement = f"{indent}{self._Quote(identifier)} [label={self._Label(str(element), lines)}" 

339 for name, value in attributes.items(): 

340 statement += f", {name}={self._Quote(value)}" 

341 

342 if tooltip != "": 

343 statement += f", tooltip={self._Quote(tooltip)}" 

344 

345 if self._link and uses is not None and self._resolver.CanResolve(uses): 

346 statement += f" /*ghactions-link:{uses.Stem}*/" 

347 

348 self._statements.append(f"{statement}];") 

349 

350 def _OpenCluster(self, element: CIBase, cluster: str, indent: str) -> None: 

351 """ 

352 Open a cluster drawing a called workflow or a matrix: write its ``subgraph`` statement and its attributes. 

353 

354 :param element: The called workflow or the matrix. 

355 :param cluster: Identifier of the cluster. 

356 :param indent: Indentation of the cluster's statement. 

357 """ 

358 lines, style, tooltip = self._Describe(element) 

359 self._statements.append(f"{indent}subgraph {self._Quote(cluster)} {{") 

360 self._statements.append(f"{indent}\tlabel={self._Label(str(element), lines)};") 

361 self._statements.append(f'{indent}\tlabeljust="l";') 

362 self._statements.append(f"{indent}\tstyle={self._Quote(','.join(('rounded', 'filled', *style)))};") 

363 self._statements.append(f'{indent}\tcolor="#8a9bb2";') 

364 self._statements.append(f'{indent}\tfillcolor="#f6f8fb";') 

365 if tooltip != "": 

366 self._statements.append(f"{indent}\ttooltip={self._Quote(tooltip)};") 

367 

368 def _DrawVertices(self, vertices: list[Vertex], prefix: str, indent: str) -> tuple[str, str]: 

369 """ 

370 Draw the vertices of one level of the graph - the graph itself, or the subgraph of a called workflow or of a 

371 matrix - and their edges. 

372 

373 An edge of the graph goes from the element needing to the element it needs; its arrow is drawn the other way 

374 round. 

375 

376 :param vertices: The vertices, in file order. 

377 :param prefix: Prefix of the identifiers of their nodes: the path of the jobs calling their workflow. 

378 :param indent: Indentation of their statements. 

379 :returns: Identifiers of the node an arrow into the level ends at - the first vertex needing nothing - and 

380 of the node an arrow out of it starts at - the last vertex nothing needs. 

381 """ 

382 # per vertex: the node an arrow into it ends at, the node an arrow out of it starts at, and its cluster 

383 anchors: dict[Vertex, tuple[str, str, Nullable[str]]] = {} 

384 for vertex in vertices: 

385 element = vertex.Value 

386 if element.Definition not in self._jobs: 

387 self._jobs.append(element.Definition) 

388 

389 identifier = f"{prefix}{element}" 

390 if not isinstance(element, (CIWorkflow, CIMatrix)) or vertex.OutboundLinkCount == 0: 

391 self._DrawNode(element, identifier, indent) 

392 anchors[vertex] = (identifier, identifier, None) 

393 continue 

394 

395 cluster = f"cluster_{identifier}" 

396 self._OpenCluster(element, cluster, indent) 

397 if isinstance(element, CIWorkflow): 

398 if element.CalledWorkflow not in self._workflows: 

399 self._workflows.append(element.CalledWorkflow) 

400 

401 if self._link: 401 ↛ 404line 401 didn't jump to line 404 because the condition on line 401 was always true

402 self._statements.append(f"{indent}\t/*ghactions-link:{element.Definition.Uses.Stem}*/") 

403 

404 entryNode, exitNode = self._DrawVertices( 

405 [link.Destination for link in vertex.OutboundLinks], f"{identifier}/", f"{indent}\t" 

406 ) 

407 self._statements.append(f"{indent}}}") 

408 anchors[vertex] = (entryNode, exitNode, cluster) 

409 

410 # the vertices needing nothing start together: in the first rank of the graph, or side by side in their cluster 

411 roots = [self._Quote(anchors[vertex][0]) for vertex in vertices if vertex.OutboundEdgeCount == 0] 

412 if prefix == "": 

413 self._statements.append(f"{indent}{{rank=min; {'; '.join(roots)};}}") 

414 elif len(roots) > 1: 

415 self._statements.append(f"{indent}{{rank=same; {'; '.join(roots)};}}") 

416 

417 for vertex in vertices: 

418 for edge in vertex.OutboundEdges: 

419 _, tail, tailCluster = anchors[edge.Destination] 

420 head, _, headCluster = anchors[vertex] 

421 

422 attributes = [] 

423 if tailCluster is not None: 

424 attributes.append(f"ltail={self._Quote(tailCluster)}") 

425 

426 if headCluster is not None: 

427 attributes.append(f"lhead={self._Quote(headCluster)}") 

428 

429 statement = f"{indent}{self._Quote(tail)} -> {self._Quote(head)}" 

430 if len(attributes) > 0: 

431 statement += f" [{', '.join(attributes)}]" 

432 

433 self._statements.append(f"{statement};") 

434 

435 first = next(vertex for vertex in vertices if vertex.OutboundEdgeCount == 0) 

436 last = [vertex for vertex in vertices if vertex.InboundEdgeCount == 0][-1] 

437 

438 return anchors[first][0], anchors[last][1] 

439 

440 def __str__(self) -> str: 

441 """ 

442 Render the graph. 

443 

444 :returns: The graph in the DOT language. 

445 """ 

446 statements = "\n".join(self._statements) 

447 

448 return f"digraph pipeline {{\n{statements}\n}}" 

449 

450 

451@export 

452class PipelineGraph(BaseDirective): 

453 """ 

454 The ``ghactions:pipeline-graph`` directive: the pipeline of a workflow, drawn from the workflow file. 

455 

456 One argument, the path of the workflow file relative to the document using the directive. 

457 

458 The documented repository and the directory of its workflow files are the configuration values 

459 ``ghactions_repository`` and ``ghactions_workflow_directory`` - relative to the source directory, and by default the 

460 directory of the drawn workflow file. A job calling a reusable workflow of that repository is expanded, while 

461 ``:depth:`` allows, and checked against the ref ``ghactions_ref``, if that is configured. 

462 

463 The workflow files are read by the resolver of the ``ghactions`` domain, which reads every file once per build. 

464 Without ``ghactions_workflow_directory``, a resolver of its own maps ``ghactions_repository`` to the drawn file's 

465 directory. 

466 """ 

467 

468 directiveName: str = "ghactions:pipeline-graph" #: Name the directive is invoked by. 

469 

470 has_content = False #: A boolean; ``True`` if content is allowed. 

471 required_arguments = 1 #: Number of required directive arguments: the workflow file's path. 

472 optional_arguments = 0 #: Number of optional arguments after the required ones. 

473 final_argument_whitespace = False #: A boolean; ``True`` if the last argument may contain spaces. 

474 # docutils declares 'option_spec' on 'Directive' and 'BaseDirective' assigns it, so mypy calls every 

475 # spelling of this override a conflict with one of them 

476 #: Mapping of option names to validator functions. 

477 option_spec: dict[str, Any] = { # type: ignore[misc] 

478 "align": align_spec, 

479 "alt": strip, 

480 "caption": strip, 

481 "depth": directives.nonnegative_int, 

482 "direction": strip, 

483 "link": stripAndNormalize, 

484 "name": strip, 

485 "reduce": stripAndNormalize, 

486 } 

487 

488 def run(self) -> list[nodes.Node]: 

489 """ 

490 Read the workflow file and hand its pipeline to :mod:`sphinx.ext.graphviz` for rendering. 

491 

492 Every workflow file drawn becomes a dependency of the document. A job calling a reusable workflow of the 

493 documented repository at another ref than ``ghactions_ref`` is reported as a warning of type ``ghactions.ref``. 

494 

495 :returns: A ``graphviz`` node, wrapped in a figure when a caption was given, or an error node when the options or 

496 the workflow files are wrong. 

497 """ 

498 relativePath, absolutePath = self.env.relfn2path(self.arguments[0]) 

499 self.env.note_dependency(relativePath) 

500 workflowFile = Path(absolutePath) 

501 

502 from pyTooling.GitHub.WorkflowFile import WorkflowError, WorkflowResolver 

503 

504 repository = self.config.ghactions_repository 

505 ref = self.config.ghactions_ref 

506 

507 try: 

508 direction = self._ParseStringOption("direction", "LR", "(?i)(LR|TB)$").upper() 

509 reduce = self._ParseBooleanOption("reduce", True) 

510 link = self._ParseBooleanOption("link", True) 

511 except SphinxExtensionError as ex: 

512 return [self.state.document.reporter.error(str(ex), line=self.lineno)] 

513 

514 try: 

515 if repository is not None and self.config.ghactions_workflow_directory is None: 

516 resolver = WorkflowResolver({repository: workflowFile.parent}) 

517 else: 

518 resolver = self.env.get_domain("ghactions").Resolver 

519 

520 graph = PipelineDotGraph( 

521 resolver.Load(workflowFile), resolver, direction, self.options.get("depth", 0), reduce, link 

522 ) 

523 except (OSError, ValueError, WorkflowError) as ex: 

524 message = f"{self.directiveName}: Couldn't draw '{self.arguments[0]}': {ex}" 

525 for note in getattr(ex, "__notes__", []): 

526 message += f" {note}" 

527 

528 return [self.state.document.reporter.error(message, line=self.lineno)] 

529 

530 for workflow in graph.Workflows[1:]: 

531 self.env.note_dependency(str(workflow.Path)) 

532 

533 if repository is not None and ref is not None: 

534 for job in graph.Jobs: 

535 if ( 

536 (uses := job.Uses) is not None and uses.Repository is not None and 

537 uses.Repository.lower() == repository.lower() and uses.Reference != ref 

538 ): 

539 _logger.warning( 

540 f"{self.directiveName}: Job '{job.Name}' calls '{uses.FileName}' at ref '{uses.Reference}', but the " 

541 f"documentation describes ref '{ref}' ({uses.Location}).", 

542 location=(self.env.docname, self.lineno), 

543 type="ghactions", 

544 subtype="ref" 

545 ) 

546 

547 node = graphviz() 

548 node["code"] = str(graph) 

549 node["options"] = {"docname": self.env.docname} 

550 node["alt"] = self.options.get("alt", f"Pipeline of {workflowFile.name}") 

551 node["classes"] = [CSS_CLASS] 

552 if "align" in self.options: 552 ↛ 553line 552 didn't jump to line 553 because the condition on line 552 was never true

553 node["align"] = self.options["align"] 

554 

555 if (caption := self.options.get("caption", None)) is not None: 555 ↛ 556line 555 didn't jump to line 556 because the condition on line 555 was never true

556 figure = figure_wrapper(self, node, caption) 

557 self.add_name(figure) 

558 return [figure] 

559 

560 self.add_name(node) 

561 return [node] 

562 

563 

564@export 

565def resolveLinks(sphinx: Sphinx, doctree: nodes.document, docname: str) -> None: 

566 """ 

567 Call-back for Sphinx' ``doctree-resolved`` event, linking the jobs of a pipeline graph to their reusable workflows. 

568 

569 A job calling a reusable workflow of the documented repository links to the page documenting that workflow, as the 

570 ``ghactions`` domain resolves the workflow's file stem with ``ResolveWorkflow``. Without a page for the workflow, or 

571 in a format other than HTML, the job has no link. 

572 

573 :param sphinx: The Sphinx application. 

574 :param doctree: The resolved document. 

575 :param docname: Name of the document. 

576 """ 

577 if sphinx.builder.format != "html": 

578 for node in doctree.findall(graphviz): 

579 if CSS_CLASS in node["classes"]: 579 ↛ 578line 579 didn't jump to line 578 because the condition on line 579 was always true

580 node["code"] = LINK_MARKER.sub("", node["code"]) 

581 

582 return 

583 

584 domain = sphinx.env.get_domain("ghactions") 

585 

586 def link(match: Match[str]) -> str: 

587 """ 

588 Nested function returning the link attributes replacing a marker, or nothing. 

589 

590 :param match: The marker. 

591 :returns: The whitespace before the marker and the attributes ``URL`` and ``target``, or an empty string 

592 when there is nothing to link to. 

593 """ 

594 if (target := domain.ResolveWorkflow(match["stem"])) is None: 

595 return "" 

596 

597 targetDocname, anchor = target 

598 if (uri := sphinx.builder.get_relative_uri(docname, targetDocname)) == "": 598 ↛ 599line 598 didn't jump to line 599 because the condition on line 598 was never true

599 uri = PurePosixPath(sphinx.builder.get_target_uri(targetDocname)).name 

600 

601 return f'{match["space"]}URL="{uri}#{anchor}" target="_top"' 

602 

603 for node in doctree.findall(graphviz): 

604 if CSS_CLASS in node["classes"]: 604 ↛ 603line 604 didn't jump to line 603 because the condition on line 604 was always true

605 node["code"] = LINK_MARKER.sub(link, node["code"])