implemented new helper func for targets also in _retr_modc

Author: K.-Michael Aye

nbdev/maker.py

@@ -178,7 +178,7 @@ def _retr_mdoc(cells):
     "Search for `_doc_` variable, used to create module docstring"
     trees = L(cells).map(NbCell.parsed_).concat()
     for o in trees:
-        if isinstance(o, _assign_types) and getattr(o.targets[0],'id',None)=='_doc_':
+        if isinstance(o, _assign_types) and getattr(_targets(o)[0],'id',None)=='_doc_':
             v = try_attrs(o.value, 'value', 's') # py37 uses `ast.Str.s`
             return f'"""{v}"""\n\n' 
     return ""

nbs/09_API/02_maker.ipynb

@@ -470,7 +470,7 @@
     "    \"Search for `_doc_` variable, used to create module docstring\"\n",
     "    trees = L(cells).map(NbCell.parsed_).concat()\n",
     "    for o in trees:\n",
-    "        if isinstance(o, _assign_types) and getattr(o.targets[0],'id',None)=='_doc_':\n",
+    "        if isinstance(o, _assign_types) and getattr(_targets(o)[0],'id',None)=='_doc_':\n",
     "            v = try_attrs(o.value, 'value', 's') # py37 uses `ast.Str.s`\n",
     "            return f'\"\"\"{v}\"\"\"\\n\\n' \n",
     "    return \"\""
@@ -798,6 +798,18 @@
    "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.10.6"
   }
  },
  "nbformat": 4,