Extract the correct file name from original url.

src/zc/buildout/networkcache.py

@@ -113,8 +113,9 @@ def upload_network_cached(sha_cache, sha_dir, external_url, path, logger):
              'Upload cache ignored, shacache or shadir was not provided!')
         return False
 
+    file_name = external_url.split('/')[-1].split('#')[0].split('?')[0]
     directory_key = get_directory_key(external_url)
-    kw = dict(file_name=os.path.basename(external_url),
+    kw = dict(file=file_name,
               urlmd5=hashlib.md5(external_url).hexdigest())
 
     f = open(path, 'r')