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fix(drm): retry a licence call only for an argument the service rejects

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A TypeError raised inside the service no longer sends the challenge again.
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imSp4rky
2026-11-02 09:01:42 -07:00
parent 962e47ac6b
commit 31328dc109
5 changed files with 86 additions and 43 deletions
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docs/dev/creating-a-service.md
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@@ -586,6 +586,8 @@ current `title` and `track`:
| `get_playready_license` | PlayReady | The license response. Defaults to delegating to `get_widevine_license`. |
| `get_clearkey_license` | DASH `org.w3.clearkey` | The JWK Set (dict/JSON/bytes), or `None` to let the framework POST the challenge to the manifest's Laurl. |
A license callback can also declare optional keyword arguments. `get_widevine_license` can ask for `pssh` and `session_id`. `get_playready_license` can ask for `pssh_b64` and `session_id`. `session_id` is the open CDM session. A callback gets only the arguments that its signature declares.
```python
def get_widevine_license(self, *, challenge: bytes, title, track):
response = self.session.post(