add error message to migrate

Author: hamelsmu

nbdev/migrate.py

@@ -173,5 +173,7 @@ def nbdev_migrate(
     _skip_re = None if no_skip else '^[_.]'
     if path is None: path = get_config().nbs_path
     for f in globtastic(path, file_re='(.ipynb$)|(.md$)', skip_folder_re=_skip_re, func=Path):
-        if f.name.endswith('.ipynb'): migrate_nb(f)
-        if f.name.endswith('.md'): migrate_md(f)        
+        try:
+            if f.name.endswith('.ipynb'): migrate_nb(f)
+            if f.name.endswith('.md'): migrate_md(f)
+        except Exception as e: raise Exception(f'Error in migrating file: {f}') from e

nbs/api/migrate.ipynb

@@ -1051,8 +1051,10 @@
     "    _skip_re = None if no_skip else '^[_.]'\n",
     "    if path is None: path = get_config().nbs_path\n",
     "    for f in globtastic(path, file_re='(.ipynb$)|(.md$)', skip_folder_re=_skip_re, func=Path):\n",
-    "        if f.name.endswith('.ipynb'): migrate_nb(f)\n",
-    "        if f.name.endswith('.md'): migrate_md(f)        "
+    "        try:\n",
+    "            if f.name.endswith('.ipynb'): migrate_nb(f)\n",
+    "            if f.name.endswith('.md'): migrate_md(f)\n",
+    "        except Exception as e: raise Exception(f'Error in migrating file: {f}') from e"
    ]
   },
   {