1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
import asyncio
from youtube_transcript_api import YouTubeTranscriptApi
from app.storage import TranscriptStore
from app.transcriber import (
IPBlockedError,
TranscriptDisabledError,
TranscriptNotAvailableError,
fetch_transcript_by_id,
)
async def process_next(store: TranscriptStore, api: YouTubeTranscriptApi) -> bool:
"""Process the next pending queue item. Returns True if one was processed."""
entry = await store.get_next_pending()
if entry is None:
return False
video_id = entry["video_id"]
try:
try:
segments = await asyncio.to_thread(fetch_transcript_by_id, video_id, api)
except IPBlockedError as e:
await store.mark_failed(video_id, str(e), "ip_blocked")
return True
except TranscriptNotAvailableError as e:
await store.mark_failed(video_id, str(e), "not_available")
return True
except TranscriptDisabledError as e:
await store.mark_failed(video_id, str(e), "transcript_disabled")
return True
except Exception as e:
await store.mark_failed(video_id, str(e), "internal_error")
return True
full_text = " ".join(s["text"] for s in segments)
await store.save_transcript(video_id, full_text, segments)
await store.mark_completed(video_id)
return True
finally:
await asyncio.sleep(entry["assigned_delay"])
async def run_worker(
store: TranscriptStore,
api: YouTubeTranscriptApi,
shutdown_event: asyncio.Event,
) -> None:
"""Run the queue worker loop until shutdown_event is set."""
while not shutdown_event.is_set():
processed = await process_next(store, api)
if not processed:
try:
await asyncio.wait_for(shutdown_event.wait(), timeout=1.0)
except asyncio.TimeoutError:
continue
|
