Merge pull request #13532 from TomNicholas/dont_strip_all_decorators

Match only pseudo-decorators, not all python decorators

IPython/sphinxext/ipython_directive.py

@@ -220,6 +220,8 b' except Exception:'
 # for tokenizing blocks
 COMMENT, INPUT, OUTPUT =  range(3)
 
+PSEUDO_DECORATORS = ["suppress", "verbatim", "savefig", "doctest"]
+
 #-----------------------------------------------------------------------------
 # Functions and class declarations
 #-----------------------------------------------------------------------------
@@ -263,9 +265,15 b' def block_parser(part, rgxin, rgxout, fmtin, fmtout):'
             block.append((COMMENT, line))
             continue
 
-        if line_stripped.startswith('@'):
-            # Here is where we assume there is, at most, one decorator.
-            # Might need to rethink this.
+        if any(
+            line_stripped.startswith("@" + pseudo_decorator)
+            for pseudo_decorator in PSEUDO_DECORATORS
+        ):
+            if decorator:
+                raise RuntimeError(
+                    "Applying multiple pseudo-decorators on one line is not supported"
+                )
+            else:
             decorator = line_stripped
             continue