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annotate video.py @ 38:0aea9e55899b

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hack in path router - dirs kind of work; putting a video in the path doesn't
author drewp@bigasterisk.com
date Wed, 04 Dec 2024 21:50:16 -0800
parents 7cacfae58430
children b5b29f6ef5cb
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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', '/')
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34 if not subdir.endswith('/'):
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35 # raise ValueError(f'not a dir {subdir=}')
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36 # ok we'll list the parent dir underneath
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37 subdir = '/'.join(subdir.split('/')[:-1]) # todo move to FE
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38 else:
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39 subdir = subdir[:-1]
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40 if subdir=="":
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41 subdir = "./"
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42 if not (subdir.startswith('/') or subdir=='./'):
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43 raise ValueError(f'not a dir {subdir=}')
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44 subdir = subdir[1:]
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45 log.debug(f'videos request corrected to: {subdir=}')
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46
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47 vfInDir = store.findInDir(subdir)
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48 return JSONResponse({
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49 "videos": [{
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50 'webRelPath': vf.webRelPath,
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51 'webDataPath': vf.webDataPath,
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52 'label': vf.label,
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53 } for vf in vfInDir],
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54 "subdirs":
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55 list(store.findSubdirs(subdir)),
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56 })
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57
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58
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59 def folderTree(req: Request) -> JSONResponse:
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60 return JSONResponse(store.folderTree())
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62
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63 async def ingestVideoUrl(req: Request) -> Response:
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64 folder = req.query_params['folder']
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65 url = await req.body()
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66 await svc.ingestUrl(url.decode('utf8'), folder)
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67 return Response(status_code=202)
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70 async def ingestVideoUpload(req: Request) -> Response:
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71 name = req.query_params['name']
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72 await svc.addContent(name, req.body())
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73 return Response(status_code=200)
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76 async def ingestQueue(req: Request) -> EventSourceResponse:
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77
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78 async def g():
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79 async for ev in svc.events():
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80 yield json.dumps(ev)
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81
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82 return EventSourceResponse(g())
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83
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84 def getDiskPath(fs, webRelPath):
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85 doc = fs.find_one({'webRelPath': webRelPath})
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86 if doc is None:
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87 raise ValueError
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88 return doc['diskPath']
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89
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90 async def getThumbnail(db: pymongo.database.Database, req: Request) -> Response:
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91 webRelPath = req.query_params['webRelPath']
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92 fs = db.get_collection('fs')
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93 diskPath = getDiskPath(fs, webRelPath)
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94 th = db.get_collection('thumb')
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95 async with asyncio.timeout(10):
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96 data = await thumbnail.getThumbnailData(th, diskPath)
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97 return Response(content=data, media_type='image/jpeg')
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98
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99
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100
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101 db = open_mongo_or_die().get_database('video')
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102 store = VideoFileStore(db.get_collection('fs'))
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103 svc = VideoIngest(store)
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104
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105
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106 def main():
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107
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108 app = Starlette(
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109 debug=True,
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110 routes=[
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111 Route('/video/api/', root),
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112 Route('/video/api/videos', videos),
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113 Route('/video/api/folderTree', folderTree),
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114 Route('/video/api/ingest/videoUpload',
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115 ingestVideoUpload,
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116 methods=['POST']),
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117 Route('/video/api/ingest/videoUrl',
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118 ingestVideoUrl,
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119 methods=['POST']),
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120 Route('/video/api/ingest/queue', ingestQueue),
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121 Route('/video/api/thumbnail', partial(getThumbnail, db)),
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122 ],
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123 )
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124
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125 app.add_middleware(PrometheusMiddleware, app_name='video_api')
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126 app.add_route("/video/api/metrics", handle_metrics)
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127 app.add_route("/metrics", handle_metrics)
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128
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129 app.state.processTask = asyncio.create_task(dl_queue.process())
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130 return app
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131
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132 uvicorn.run(main,
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133 host="0.0.0.0",
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134 port=8004,
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135 log_level=logging.INFO,
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136 factory=True)