add 'output.fallback' option

to enable/disable fallback URLs for -g/--get-urls

docs/configuration.rst

@@ -1993,6 +1993,16 @@ Output Options
 ==============
 
 
+output.fallback
+---------------
+Type
+    ``bool``
+Default
+    ``true``
+Description
+    Include fallback URLs in the output of ``-g/--get-urls``.
+
+
 output.mode
 -----------
 Type

gallery_dl/__init__.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Copyright 2014-2020 Mike Fährmann
+# Copyright 2014-2021 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
@@ -9,7 +9,7 @@
 from __future__ import unicode_literals, print_function
 
 __author__ = "Mike Fährmann"
-__copyright__ = "Copyright 2014-2020 Mike Fährmann"
+__copyright__ = "Copyright 2014-2021 Mike Fährmann"
 __license__ = "GPLv2"
 __maintainer__ = "Mike Fährmann"
 __email__ = "mike_faehrmann@web.de"
@@ -204,6 +204,9 @@ def main():
             if args.list_urls:
                 jobtype = job.UrlJob
                 jobtype.maxdepth = args.list_urls
+                if config.get(("output",), "fallback", True):
+                    jobtype.handle_url = \
+                        staticmethod(jobtype.handle_url_fallback)
             else:
                 jobtype = args.jobtype or job.DownloadJob
 

gallery_dl/job.py

@@ -575,7 +575,11 @@ class UrlJob(Job):
             self.handle_queue = self.handle_url
 
     @staticmethod
-    def handle_url(url, kwdict):
+    def handle_url(url, _):
+        print(url)
+
+    @staticmethod
+    def handle_url_fallback(url, kwdict):
         print(url)
         if "_fallback" in kwdict:
             for url in kwdict["_fallback"]: