From d0bebd9ce31685d4339c75b7bc00c5154e75e450 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Tue, 3 Nov 2015 00:05:18 +0100
Subject: [PATCH] allow adding values to existing dict

---
 gallery_dl/text.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gallery_dl/text.py b/gallery_dl/text.py
index 18f62e3f..7a9a2414 100644
--- a/gallery_dl/text.py
+++ b/gallery_dl/text.py
@@ -80,9 +80,10 @@ def extract(txt, begin, end, pos=0):
     except ValueError:
         return None, pos
 
-def extract_all(txt, rules, pos=0):
+def extract_all(txt, rules, pos=0, values=None):
     """Calls extract for each rule and returns the result in a dict"""
-    values = {}
+    if values is None:
+        values = {}
     for key, begin, end in rules:
         result, pos = extract(txt, begin, end, pos)
         if key: