fixes #1525

Author: jph00

nbdev/doclinks.py

@@ -238,8 +238,10 @@ def _build_lookup_table(strip_libs=None, incl_libs=None, skip_mods=None):
     strip_libs = L(strip_libs)
     if incl_libs is not None: incl_libs = (L(incl_libs)+strip_libs).unique()
     entries = {}
-    # TODO: use new group param once 3.10 in min python
-    eps = [o for o in entry_points() if o.group=='nbdev']
+    try: eps = entry_points(group='nbdev')
+    # Python 3.9 fallback - entry_points() doesn't accept group parameter
+    except TypeError: eps = entry_points().get('nbdev', [])
+    
     for o in eps:
         if incl_libs is not None and o.dist.name not in incl_libs: continue
         try: entries[o.name] = _qual_syms(o.load())

nbs/api/05_doclinks.ipynb

@@ -604,15 +604,6 @@
     "test_eq(_re_backticks.findall('consecutive `foo``bar``baz`'), ['foo', 'bar', 'baz'])"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "eps = entry_points()['nbdev']"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -630,8 +621,10 @@
     "    strip_libs = L(strip_libs)\n",
     "    if incl_libs is not None: incl_libs = (L(incl_libs)+strip_libs).unique()\n",
     "    entries = {}\n",
-    "    # TODO: use new group param once 3.10 in min python\n",
-    "    eps = [o for o in entry_points() if o.group=='nbdev']\n",
+    "    try: eps = entry_points(group='nbdev')\n",
+    "    # Python 3.9 fallback - entry_points() doesn't accept group parameter\n",
+    "    except TypeError: eps = entry_points().get('nbdev', [])\n",
+    "    \n",
     "    for o in eps:\n",
     "        if incl_libs is not None and o.dist.name not in incl_libs: continue\n",
     "        try: entries[o.name] = _qual_syms(o.load())\n",
@@ -764,7 +757,7 @@
       "text/markdown": [
        "---\n",
        "\n",
-       "[source](https://github.com/AnswerDotAI/nbdev/blob/main/nbdev/doclinks.py#L269){target=\"_blank\" style=\"float:right; font-size:smaller\"}\n",
+       "[source](https://github.com/AnswerDotAI/nbdev/blob/main/nbdev/doclinks.py#L273){target=\"_blank\" style=\"float:right; font-size:smaller\"}\n",
        "\n",
        "### NbdevLookup.doc\n",
        "\n",
@@ -775,7 +768,7 @@
       "text/plain": [
        "---\n",
        "\n",
-       "[source](https://github.com/AnswerDotAI/nbdev/blob/main/nbdev/doclinks.py#L269){target=\"_blank\" style=\"float:right; font-size:smaller\"}\n",
+       "[source](https://github.com/AnswerDotAI/nbdev/blob/main/nbdev/doclinks.py#L273){target=\"_blank\" style=\"float:right; font-size:smaller\"}\n",
        "\n",
        "### NbdevLookup.doc\n",
        "\n",