[actions] add 'exec' action (#5619)

docs/configuration.rst

@@ -984,6 +984,8 @@ Description
         | Can be one of ``debug``, ``info``, ``warning``, ``error`` or an integer value.
     ``print``
         Write argument to stdout.
+    ``exec``
+        Run a shell command.
     ``abort``:
         Stop the current extractor run.
     ``terminate``:

gallery_dl/actions.py

@@ -80,6 +80,12 @@ def action_level(opts):
     return _level
 
 
+def action_exec(opts):
+    def _exec(_):
+        util.Popen(opts, shell=True).wait()
+    return _exec
+
+
 def action_wait(opts):
     def _wait(args):
         input("Press Enter to continue")
@@ -110,12 +116,13 @@ def action_exit(opts):
 
 
 ACTIONS = {
+    "abort"    : action_abort,
+    "exec"     : action_exec,
+    "exit"     : action_exit,
+    "level"    : action_level,
     "print"    : action_print,
+    "restart"  : action_restart,
     "status"   : action_status,
-    "level"    : action_level,
-    "abort"    : action_abort,
     "terminate": action_terminate,
-    "restart"  : action_restart,
     "wait"     : action_wait,
-    "exit"     : action_exit,
 }

gallery_dl/version.py

@@ -6,5 +6,5 @@
 # it under the terms of the GNU General Public License version 2 as
 # published by the Free Software Foundation.
 
-__version__ = "1.27.1"
+__version__ = "1.27.2-dev"
 __variant__ = None