(WIP) implementing CBD language... Meta-meta-model: Association inherits from Class. Matcher accepts pivot. Add generic graphviz renderer.

concrete_syntax/graphviz/make_url.py

@@ -0,0 +1,12 @@
+from concrete_syntax.common import indent
+import urllib.parse
+
+def make_url(graphviz_txt: str) -> str:
+
+    as_digraph = f"digraph {{\n{indent(graphviz_txt, 2)}\n}}"
+
+    # This one seems much faster:
+    return "https://edotor.net/?engine=dot#"+urllib.parse.quote(as_digraph)
+
+    # Keeping this one here just in case:
+    # return "https://dreampuf.github.io/GraphvizOnline/#"+urllib.parse.quote(graphviz)