add '"skip": "terminate"' option

Stops not only the current extractor/job,
but all parent extractors/jobs as well.

gallery_dl/__init__.py

@@ -249,6 +249,8 @@ def main():
                             retval |= jobtype(url.value).run()
                     else:
                         retval |= jobtype(url).run()
+                except exception.TerminateExtraction:
+                    pass
                 except exception.NoExtractorError:
                     log.error("No suitable extractor found for '%s'", url)
                     retval |= 64

gallery_dl/exception.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Copyright 2015-2019 Mike Fährmann
+# Copyright 2015-2021 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
@@ -23,6 +23,7 @@ Exception
       +-- FilterError
       +-- NoExtractorError
       +-- StopExtraction
+      +-- TerminateExtraction
 """
 
 
@@ -109,3 +110,8 @@ class StopExtraction(GalleryDLException):
         GalleryDLException.__init__(self)
         self.message = message % args if args else message
         self.code = 1 if message else 0
+
+
+class TerminateExtraction(GalleryDLException):
+    """Terminate data extraction"""
+    code = 0

gallery_dl/job.py

@@ -80,6 +80,8 @@ class Job():
             if exc.message:
                 log.error(exc.message)
             self.status |= exc.code
+        except exception.TerminateExtraction:
+            raise
         except exception.GalleryDLException as exc:
             log.error("%s: %s", exc.__class__.__name__, exc)
             self.status |= exc.code
@@ -400,6 +402,8 @@ class DownloadJob(Job):
                 skip, _, smax = skip.partition(":")
                 if skip == "abort":
                     self._skipexc = exception.StopExtraction
+                elif skip == "terminate":
+                    self._skipexc = exception.TerminateExtraction
                 elif skip == "exit":
                     self._skipexc = sys.exit
                 self._skipcnt = 0

gallery_dl/version.py

@@ -6,4 +6,4 @@
 # it under the terms of the GNU General Public License version 2 as
 # published by the Free Software Foundation.
 
-__version__ = "1.17.4"
+__version__ = "1.17.5-dev"