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fix: retry on license error #287

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fix: retry on license error #287

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30 changes: 25 additions & 5 deletions gamdl/interface/interface_song.py
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Original file line number Diff line number Diff line change
Expand Up @@ -443,11 +443,31 @@ async def get_decryption_key_legacy(
cdm.get_license_challenge, cdm_session, pssh_obj
)
).decode()
license_response = await self.apple_music_api.get_license_exchange(
stream_info.media_id,
stream_info.audio_track.widevine_pssh,
challenge,
)

max_attempts = 3
last_exc: Exception | None = None

for attempt in range(1, max_attempts + 1):
try:
license_response = await self.apple_music_api.get_license_exchange(
stream_info.media_id,
stream_info.audio_track.widevine_pssh,
challenge,
)
break
except Exception as e:
last_exc = e

if attempt < max_attempts:
await asyncio.sleep(1)
else:
# All attempts failed, re-raise last exception
logger.warning(
"Error getting license exchange for media_id %s: %s",
stream_info.media_id,
e,
)
raise last_exc

await asyncio.to_thread(
cdm.parse_license, cdm_session, license_response["license"]
Expand Down