From 13d4045a8a5a6fd45cb20df399f44055b25f5cca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Tue, 20 Jul 2021 19:59:42 +0200
Subject: [PATCH] add 'archive-prefix' option (#1711)

---
 docs/configuration.rst | 10 ++++++++++
 gallery_dl/util.py     |  6 +++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/docs/configuration.rst b/docs/configuration.rst
index 623727af..3eb628b2 100644
--- a/docs/configuration.rst
+++ b/docs/configuration.rst
@@ -569,6 +569,16 @@ Description
 .. __: https://docs.python.org/3/library/string.html#format-string-syntax
 
 
+extractor.*.archive-prefix
+--------------------------
+Type
+    ``string``
+Default
+    ``"{category}"``
+Description
+    Prefix for archive IDs.
+
+
 extractor.*.postprocessors
 --------------------------
 Type
diff --git a/gallery_dl/util.py b/gallery_dl/util.py
index b6dfb0dd..34621385 100644
--- a/gallery_dl/util.py
+++ b/gallery_dl/util.py
@@ -1076,9 +1076,9 @@ class DownloadArchive():
             # fallback for missing WITHOUT ROWID support (#553)
             self.cursor.execute("CREATE TABLE IF NOT EXISTS archive "
                                 "(entry PRIMARY KEY)")
-
-        self.keygen = (extractor.category + extractor.config(
-            "archive-format", extractor.archive_fmt)
+        self.keygen = (
+            extractor.config("archive-prefix", extractor.category) +
+            extractor.config("archive-format", extractor.archive_fmt)
         ).format_map
 
     def check(self, kwdict):