[postprocessor] add 'zip' to write files to a ZIP archive

(#85)

gallery_dl/postprocessor/zip.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+
+# Copyright 2018 Mike Fährmann
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+"""Add files to ZIP archive"""
+
+from .common import PostProcessor
+import zipfile
+
+
+class ZipPP(PostProcessor):
+
+    def __init__(self, options):
+        PostProcessor.__init__(self)
+
+    def run(self, pathfmt):
+        with zipfile.ZipFile(pathfmt.realdirectory + ".zip", "a") as zfile:
+            zfile.write(pathfmt.realpath, pathfmt.filename)
+
+
+__postprocessor__ = ZipPP