docs: fix parsing package name

docs/source/index.rst

@@ -8,7 +8,7 @@ Lightning-DevToolbox documentation
 
 .. figure:: https://pl-public-data.s3.amazonaws.com/assets_lightning/Lightning.gif
     :alt: What is Lightning gif.
-    :width: 100 %
+    :width: 80 %
 
 .. toctree::
    :maxdepth: 1

docs/source/test-page.rst

@@ -0,0 +1,8 @@
+:orphan:
+
+Testing page
+============
+
+This is some page serving exclusively for testing purposes.
+
+Link to scikit-learn stable documentation: https://scikit-learn.org/stable/index.html

src/lightning_utilities/docs/formatting.py

@@ -150,7 +150,7 @@ def adjust_linked_external_docs(
         return
 
     # find the expression for package version in {} brackets if any, use re to find it
-    pkg_ver_all = re.findall(r"{([\w.]+)}", target_link)
+    pkg_ver_all = re.findall(r"{(.+)}", target_link)
     for pkg_ver in pkg_ver_all:
         target_link = _update_link_based_imported_package(target_link, pkg_ver, version_digits)
 

tests/unittests/docs/test_formatting.py

@@ -1,4 +1,5 @@
 import os.path
+import re
 
 import pytest
 from lightning_utilities.docs import adjust_linked_external_docs
@@ -8,25 +9,29 @@
 def test_adjust_linked_external_docs(temp_docs):
     # take config as it includes API references with `stable`
     path_conf = os.path.join(temp_docs, "conf.py")
+    path_testpage = os.path.join(temp_docs, "test-page.rst")
 
-    def _get_line_with_numpy(path_rst: str) -> str:
+    def _get_line_with_numpy(path_rst: str, pattern: str) -> str:
         with open(path_rst, encoding="UTF-8") as fopen:
             lines = fopen.readlines()
         # find the first line with figure reference
-        return next(ln for ln in lines if ln.lstrip().startswith('"numpy":'))
+        return next(ln for ln in lines if pattern in ln)
 
     # validate the initial expectations
-    line = _get_line_with_numpy(path_conf)
+    line = _get_line_with_numpy(path_conf, pattern='"numpy":')
     assert "https://numpy.org/doc/stable/" in line
+    line = _get_line_with_numpy(path_testpage, pattern="Link to scikit-learn stable documentation:")
+    assert "https://scikit-learn.org/stable/" in line
 
     adjust_linked_external_docs(
         "https://numpy.org/doc/stable/", "https://numpy.org/doc/{numpy.__version__}/", temp_docs
     )
-
-    import numpy as np
-
-    np_version = np.__version__.split(".")
+    adjust_linked_external_docs(
+        "https://scikit-learn.org/stable/", "https://scikit-learn.org/{scikit-learn}/", temp_docs
+    )
 
     # validate the final state of index page
-    line = _get_line_with_numpy(path_conf)
-    assert f"https://numpy.org/doc/{'.'.join(np_version[:2])}/" in line
+    line = _get_line_with_numpy(path_conf, pattern='"numpy":')
+    assert re.search(r"https://numpy.org/doc/([1-9]\d*)\.(\d+)/", line)
+    line = _get_line_with_numpy(path_testpage, pattern="Link to scikit-learn stable documentation:")
+    assert re.search(r"https://scikit-learn.org/([1-9]\d*)\.(\d+)/", line)