Refine the purl_from_pattern function to handle unwanted matched fields

tdruez · tdruez · commit 94db98c54713 · 2018-12-28T15:42:31.000-07:00
Signed-off-by: Thomas Druez &lt;tdruez@nexb.com&gt;
diff --git a/src/packageurl/contrib/url2purl.py b/src/packageurl/contrib/url2purl.py
@@ -75,7 +75,11 @@ def purl_from_pattern(type_, pattern, uri):
     match = compiled_pattern.match(uri)
 
     if match:
-        return PackageURL(type_, **match.groupdict())
+        purl_data = {
+            field: value for field, value in match.groupdict().items()
+            if field in PackageURL._fields
+        }
+        return PackageURL(type_, **purl_data)
 
 
 @purl_router.route('https?://registry.npmjs.*/.*',
