Add mermaid support

pretext/__init__.py

@@ -21,7 +21,7 @@
 
 VERSION = get_version("pretext", Path(__file__).parent.parent)
 
-CORE_COMMIT = "8e9aac01da8fdab44c6c9ded4f30d9d7227d015b"
+CORE_COMMIT = "ed4e9d94a75b5b728aca2eb06dfde3f1595ab783"
 
 
 def activate() -> None:

pretext/constants.py

@@ -23,6 +23,7 @@
         "codelens",
         "datafile",
         "interactive",
+        "mermaid",
     ],
     "latex": [
         "webwork",
@@ -32,6 +33,7 @@
         "codelens",
         "datafile",
         "interactive",
+        "mermaid",
     ],
     "epub": [
         "webwork",
@@ -42,6 +44,7 @@
         "codelens",
         "datafile",
         "interactive",
+        "mermaid",
     ],
     "kindle": [
         "webwork",
@@ -52,6 +55,7 @@
         "codelens",
         "datafile",
         "interactive",
+        "mermaid",
     ],
     "braille": [
         "webwork",
@@ -62,6 +66,7 @@
         "codelens",
         "datafile",
         "interactive",
+        "mermaid",
     ],
     "webwork": [
         "webwork",
@@ -75,6 +80,7 @@
         "codelens",
         "datafile",
         "interactive",
+        "mermaid",
     ],
 }
 
@@ -87,6 +93,7 @@
     "codelens": ".//program[@interactive = 'codelens']",
     "datafile": ".//datafile",
     "interactive": ".//interactive",
+    "mermaid": ".//mermaid",
 }
 ASSETS = ["ALL"] + list(ASSET_TO_XPATH.keys())
 
@@ -99,18 +106,21 @@
     "interactive": ["preview", "qrcode"],
     "codelens": ["trace"],
     "datafile": ["datafile"],
+    "mermaid": ["mermaid"],
 }
 
 ASSET_FORMATS: t.Dict[str, t.Dict[str, t.List[str]]] = {
     "pdf": {
         "asymptote": ["pdf"],
         "latex-image": [],
         "sageplot": ["pdf", "png"],
+        "mermaid": ["png"],
     },
     "latex": {
         "asymptote": ["pdf"],
         "latex-image": [],
         "sageplot": ["pdf", "png"],
+        "mermaid": ["png"],
     },
     "html": {
         "asymptote": ["html"],
@@ -126,21 +136,25 @@
         "asymptote": ["svg"],
         "latex-image": ["svg"],
         "sageplot": ["svg"],
+        "mermaid": ["png"],
     },
     "kindle": {
         "asymptote": ["png"],
         "latex-image": ["png"],
         "sageplot": ["png"],
+        "mermaid": ["png"],
     },
     "braille": {
         "asymptote": ["all"],
         "latex-image": ["all"],
         "sageplot": ["all"],
+        "mermaid": ["png"],
     },
     "custom": {
         "asymptote": ["all"],
         "latex-image": ["all"],
         "sageplot": ["all"],
+        "mermaid": ["png"],
     },
 }
 

pretext/project/__init__.py

@@ -927,6 +927,20 @@ def generate_assets(
                     log.debug(e, exc_info=True)
             # youtube also requires the play button.
             self.ensure_play_button()
+        if "mermaid" in assets_to_generate:
+            for id in assets_to_generate["mermaid"]:
+                try:
+                    core.mermaid_images(
+                        xml_source=self.source_abspath(),
+                        pub_file=self.publication_abspath().as_posix(),
+                        stringparams=stringparams_copy,
+                        xmlid_root=id,
+                        dest_dir=self.generated_dir_abspath() / "mermaid",
+                    )
+                    successful_assets.append(("mermaid", id))
+                except Exception as e:
+                    log.error(f"Unable to generate some mermaid images: \n{e}")
+                    log.debug(e, exc_info=True)
         if "codelens" in assets_to_generate:
             for id in assets_to_generate["codelens"]:
                 try:

pretext/project/xml.py

@@ -18,6 +18,7 @@ class Executables(pxml.BaseXmlModel, tag="executables"):
     asy: t.Optional[str] = pxml.attr(default=shutil.which("asy"))
     # The same applies to Sage.
     sage: t.Optional[str] = pxml.attr(default=shutil.which("sage"))
+    mermaid: str = pxml.attr(default="mmdc")
     pdfpng: str = pxml.attr(default="convert")
     pdfeps: str = pxml.attr(default="pdftops")
     node: str = pxml.attr(default="node")