Keep archived file names consistent.

macli.py

@@ -58,12 +58,15 @@ def get_parser():
     return parser
 
 
-def get_extension(path):
+def get_filename(path):
     return (path
+            .split('?')[0]
             .split('/')[-1]
-            .split('\\')[-1]
-            .split('.')[-1])
+            .split('\\')[-1])
 
+def get_extension(path):
+    return (get_filename(path)
+            .split('.')[-1])
 
 def request(url):
     req = urllib.request.Request(
@@ -84,7 +87,6 @@ def show_error(e, href=None):
 
 
 def archive(content, base_url, selector, directory, attribute, progbar):
-    os.makedirs(directory, exist_ok=True)
     for part in content.find_all(**selector):
         if attribute not in part.attrs:
             continue
@@ -97,10 +99,11 @@ def archive(content, base_url, selector, directory, attribute, progbar):
         progbar.next_iter(href)
 
         name = (hashlib.sha1(href.encode()).hexdigest()
-                + '.'
-                + get_extension(href))
+                + '/'
+                + get_filename(part[attribute]))
 
         path = os.path.join(directory, name)
+        os.makedirs(os.path.dirname(path), exist_ok=True)
         if not os.path.exists(path):
             try:
                 content = request(href).read()