[common] implement 'parent-session'

docs/configuration.rst

@@ -251,6 +251,25 @@ Description
         }
 
 
+extractor.*.parent-session
+--------------------------
+Type
+    ``bool``
+Default
+    ``true``
+        ``[chevereto]`` |
+        ``[imagehost]``
+    ``false``
+        otherwise
+Description
+    Share a parent's
+    `session <https://requests.readthedocs.io/en/latest/user/advanced/#session-objects>`__
+    with its child extractors, including
+    `cookies <extractor.*.cookies_>`__,
+    `headers <extractor.*.headers_>`__,
+    and other networking settings.
+
+
 extractor.*.parent-skip
 -----------------------
 Type

docs/gallery-dl.conf

@@ -60,6 +60,7 @@
 
         "parent-directory": false,
         "parent-metadata" : false,
+        "parent-session"  : false,
         "parent-skip"     : false,
 
         "path-restrict": "auto",
@@ -1023,6 +1024,7 @@
         "chevereto":
         {
             "parent-metadata": true,
+            "parent-session" : true,
             "password" : ""
         },
 
@@ -1097,7 +1099,8 @@
 
         "imagehost":
         {
-            "parent-metadata": true
+            "parent-metadata": true,
+            "parent-session" : true
         },
 
         "mastodon":

gallery_dl/extractor/common.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Copyright 2014-2025 Mike Fährmann
+# Copyright 2014-2026 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
@@ -39,8 +39,10 @@ class Extractor():
     archive_fmt = ""
     status = 0
     root = ""
-    cookies_domain = ""
+    cookies_file = ""
     cookies_index = 0
+    cookies_domain = ""
+    session = None
     referer = True
     ciphers = None
     tls12 = True
@@ -85,8 +87,15 @@ class Extractor():
 
     def initialize(self):
         self._init_options()
-        self._init_session()
+
-        self._init_cookies()
+        if self.session is None:
+            self._init_session()
+            self.cookies = self.session.cookies
+            if self.cookies_domain is not None:
+                self._init_cookies()
+        else:
+            self.cookies = self.session.cookies
+
         self._init()
         self.initialize = util.noop
 
@@ -541,11 +550,6 @@ class Extractor():
 
     def _init_cookies(self):
         """Populate the session's cookiejar"""
-        self.cookies = self.session.cookies
-        self.cookies_file = None
-        if self.cookies_domain is None:
-            return
-
         if cookies := self.config("cookies"):
             if select := self.config("cookies-select"):
                 if select == "rotate":

gallery_dl/job.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Copyright 2015-2025 Mike Fährmann
+# Copyright 2015-2026 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
@@ -459,6 +459,9 @@ class DownloadJob(Job):
                     if kwdict:
                         job.kwdict.update(kwdict)
 
+            if pextr.config("parent-session", pextr.parent):
+                extr.session = pextr.session
+
             while True:
                 try:
                     if pextr.config("parent-skip"):