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annotate video.py @ 37:7cacfae58430

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thumbnails rewrite - store in db; don't use YT-provided pics for now
author drewp@bigasterisk.com
date Tue, 03 Dec 2024 19:28:11 -0800
parents ed16fdbb3996
children 0aea9e55899b
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1 import asyncio
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2 from functools import partial
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3 import json
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4 import logging
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5
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6 import uvicorn
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7 from prometheus_client import Gauge
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8 from sse_starlette.sse import EventSourceResponse
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9 from starlette.applications import Starlette
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10 from starlette.requests import Request
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11 from starlette.responses import HTMLResponse, JSONResponse, Response
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12 from starlette.routing import Route
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13 from starlette_exporter import PrometheusMiddleware, handle_metrics
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15 import dl_queue
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16 from video_file_store import VideoFileStore
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17 from video_ingest import VideoIngest
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18 from mongo_required import open_mongo_or_die
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19 import pymongo.database
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20 import thumbnail
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21
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22 logging.basicConfig(level=logging.DEBUG)
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23 log = logging.getLogger()
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24 logging.getLogger('sse_starlette').setLevel(logging.WARNING)
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25 logging.getLogger('pymongo').setLevel(logging.INFO)
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28 def root(req):
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29 return HTMLResponse("api")
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32 async def videos(req: Request) -> JSONResponse:
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33 subdir = req.query_params.get('subdir', '/') # danger user input
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34 vfInDir = store.findInDir(subdir)
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35 return JSONResponse({
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36 "videos": [{
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37 'webRelPath': vf.webRelPath,
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38 'webDataPath': vf.webDataPath,
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39 'label': vf.label,
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40 } for vf in vfInDir],
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41 "subdirs":
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42 list(store.findSubdirs(subdir)),
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43 })
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45
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46 def folderTree(req: Request) -> JSONResponse:
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47 return JSONResponse(store.folderTree())
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49
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50 async def ingestVideoUrl(req: Request) -> Response:
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51 folder = req.query_params['folder']
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52 url = await req.body()
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53 await svc.ingestUrl(url.decode('utf8'), folder)
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54 return Response(status_code=202)
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57 async def ingestVideoUpload(req: Request) -> Response:
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58 name = req.query_params['name']
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59 await svc.addContent(name, req.body())
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60 return Response(status_code=200)
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63 async def ingestQueue(req: Request) -> EventSourceResponse:
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65 async def g():
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66 async for ev in svc.events():
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67 yield json.dumps(ev)
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68
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69 return EventSourceResponse(g())
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70
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71 def getDiskPath(fs, webRelPath):
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72 doc = fs.find_one({'webRelPath': webRelPath})
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73 if doc is None:
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74 raise ValueError
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75 return doc['diskPath']
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76
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77 async def getThumbnail(db: pymongo.database.Database, req: Request) -> Response:
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78 webRelPath = req.query_params['webRelPath']
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79 fs = db.get_collection('fs')
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80 diskPath = getDiskPath(fs, webRelPath)
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81 th = db.get_collection('thumb')
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82 async with asyncio.timeout(10):
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83 data = await thumbnail.getThumbnailData(th, diskPath)
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84 return Response(content=data, media_type='image/jpeg')
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88 db = open_mongo_or_die().get_database('video')
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89 store = VideoFileStore(db.get_collection('fs'))
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90 svc = VideoIngest(store)
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91
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92
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93 def main():
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94
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95 app = Starlette(
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96 debug=True,
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97 routes=[
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98 Route('/video/api/', root),
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99 Route('/video/api/videos', videos),
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100 Route('/video/api/folderTree', folderTree),
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101 Route('/video/api/ingest/videoUpload',
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102 ingestVideoUpload,
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103 methods=['POST']),
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104 Route('/video/api/ingest/videoUrl',
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105 ingestVideoUrl,
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106 methods=['POST']),
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107 Route('/video/api/ingest/queue', ingestQueue),
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108 Route('/video/api/thumbnail', partial(getThumbnail, db)),
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109 ],
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110 )
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112 app.add_middleware(PrometheusMiddleware, app_name='video_api')
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113 app.add_route("/video/api/metrics", handle_metrics)
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114 app.add_route("/metrics", handle_metrics)
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115
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116 app.state.processTask = asyncio.create_task(dl_queue.process())
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117 return app
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118
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119 uvicorn.run(main,
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120 host="0.0.0.0",
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121 port=8004,
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122 log_level=logging.INFO,
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123 factory=True)