[ytdl] run yt-dlp tests with latest code from master (#3989)

Only use PyPI version for Python 3.6, since that's no longer supported
by the current codebase.

.github/workflows/tests.yml

@@ -26,13 +26,26 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - name: Install dependencies
-      env:
-        PYV: ${{ matrix.python-version }}
       run: |
         pip install -r requirements.txt
         pip install "flake8<4" "importlib-metadata<5"
         pip install youtube-dl
-        if [[ "$PYV" != "3.4" && "$PYV" != "3.5" ]]; then pip install yt-dlp; fi
+
+    - name: Install yt-dlp
+      run: |
+        case "${{ matrix.python-version }}" in
+            3.4|3.5)
+                # don't install yt-dlp
+                ;;
+            3.6)
+                # install from PyPI
+                pip install yt-dlp
+                ;;
+            *)
+                # install from master
+                pip install https://github.com/yt-dlp/yt-dlp/archive/refs/heads/master.tar.gz
+                ;;
+        esac
 
     - name: Lint with flake8
       run: |

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__ = "1.25.3"
+__version__ = "1.25.4-dev"

test/test_ytdl.py

@@ -238,7 +238,7 @@ class Test_CommandlineArguments_YtDlp(Test_CommandlineArguments):
     @classmethod
     def setUpClass(cls):
         super().setUpClass()
-        if cls.module.version.__version__ > "2023.03.04":
+        if cls.module.version.__version__ > "2022.07.18":  # last 3.6 release
             cls.test_geo_bypass = cls._test_geo_bypass_xff
 
     def test_retries_extractor(self):
@@ -276,6 +276,15 @@ class Test_CommandlineArguments_YtDlp(Test_CommandlineArguments):
         })
 
     def _test_geo_bypass_xff(self):
+        self._(["--xff", "default"],
+               "geo_bypass", "default")
+        self._(["--xff", "never"],
+               "geo_bypass", "never")
+        self._(["--xff", "EN"],
+               "geo_bypass", "EN")
+        self._(["--xff", "198.51.100.14/24"],
+               "geo_bypass", "198.51.100.14/24")
+
         self._("--geo-bypass",
                "geo_bypass", "default")
         self._("--no-geo-bypass",