[pp:exec] support '{_temppath}' replacement field (#8329)

docs/configuration.rst

@@ -7720,8 +7720,8 @@ Description
       name and any further elements its arguments.
 
       Each element of this list is evaluated as a `Format String`_ using
-      the files' metadata as well as ``{_path}``, ``{_directory}``,
-      and ``{_filename}``.
+      the files' metadata as well as
+      ``{_path}``, ``{_temppath}``, ``{_directory}``, and ``{_filename}``.
 
 
 exec.commands

gallery_dl/postprocessor/exec.py

@@ -55,7 +55,8 @@ class ExecPP(PostProcessor):
 
     def _prepare_cmd(self, cmd):
         if isinstance(cmd, str):
-            self._sub = util.re(r"\{(_directory|_filename|_path|)\}").sub
+            self._sub = util.re(
+                r"\{(_directory|_filename|_(?:temp)?path|)\}").sub
             return self.exec_string, cmd
         else:
             return self.exec_list, [formatter.parse(arg) for arg in cmd]
@@ -69,6 +70,7 @@ class ExecPP(PostProcessor):
 
         kwdict["_directory"] = pathfmt.realdirectory
         kwdict["_filename"] = pathfmt.filename
+        kwdict["_temppath"] = pathfmt.temppath
         kwdict["_path"] = pathfmt.realpath
 
         args = [arg.format_map(kwdict) for arg in self.args]
@@ -131,6 +133,8 @@ class ExecPP(PostProcessor):
             return quote(self.pathfmt.realdirectory)
         if name == "_filename":
             return quote(self.pathfmt.filename)
+        if name == "_temppath":
+            return quote(self.pathfmt.temppath)
         return quote(self.pathfmt.realpath)
 
 

test/test_postprocessor.py

@@ -195,7 +195,8 @@ class ExecTest(BasePostprocessorTest):
 
     def test_command_string(self):
         self._create({
-            "command": "echo {} {_path} {_directory} {_filename} && rm {};",
+            "command": "echo {} {_path} {_temppath} {_directory} {_filename} "
+                       "&& rm {};",
         })
 
         with patch("gallery_dl.util.Popen") as p:
@@ -208,6 +209,7 @@ class ExecTest(BasePostprocessorTest):
             (f"echo "
              f"{self.pathfmt.realpath} "
              f"{self.pathfmt.realpath} "
+             f"{self.pathfmt.temppath} "
              f"{self.pathfmt.realdirectory} "
              f"{self.pathfmt.filename} "
              f"&& rm {self.pathfmt.realpath};"),
@@ -243,7 +245,8 @@ class ExecTest(BasePostprocessorTest):
     def test_command_many(self):
         self._create({
             "commands": [
-                "echo {} {_path} {_directory} {_filename} && rm {};",
+                "echo {} {_path} {_temppath} {_directory} {_filename} "
+                "&& rm {};",
                 ["~/script.sh", "{category}", "\fE _directory.upper()"],
             ]
         })
@@ -259,6 +262,7 @@ class ExecTest(BasePostprocessorTest):
                 (f"echo "
                  f"{self.pathfmt.realpath} "
                  f"{self.pathfmt.realpath} "
+                 f"{self.pathfmt.temppath} "
                  f"{self.pathfmt.realdirectory} "
                  f"{self.pathfmt.filename} "
                  f"&& rm {self.pathfmt.realpath};"),