Add filename-based URL matching fallback

Artifactory URLs have different path structures than PyPI URLs, but
filenames are identical. When exact URL match fails, fall back to
matching by filename to ensure packages array is populated.

Signed-off-by: Kai Hodžić <hodzic.e.k@outlook.com>

Author: voidpetal

src/python_inspector/package_data.py

@@ -10,6 +10,7 @@
 #
 
 import os
+import posixpath
 from urllib.parse import urlparse, urlunparse
 
 from typing import Dict
@@ -145,6 +146,12 @@ def canonicalize_url(url: str):
 
         urls_sanitized[url_sanitized] = value
 
+    urls_by_filename = {
+        posixpath.basename(urlparse(e.get("url")).path): e
+        for e in response.get("urls") or []
+        if e.get("url")
+    }
+
     def remove_credentials_from_url(url: str):
         # Parse the URL into its components
         parsed = urlparse(url)
@@ -163,10 +170,12 @@ def remove_credentials_from_url(url: str):
     # iterate over the valid distribution urls and return the first
     # one that is matching.
     for dist_url in valid_distribution_urls:
-        if dist_url not in urls_sanitized:
-            continue
-
         url_data = urls_sanitized.get(dist_url)
+        if not url_data:
+            filename = posixpath.basename(urlparse(dist_url).path)
+            url_data = urls_by_filename.get(filename)
+        if not url_data:
+            continue
         digests = url_data.get("digests") or {}
 
         return PackageData(