commit f6f272e6d8775481f78bd987d0110926b32a26a4 · edavis.dev/bsky-tools

+87

bsky-activity.py

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       #!/usr/bin/env python3

     

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       import dag_cbor

     

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       import os

     

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       import redis

     

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       import sqlite3

     

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       import sys

     

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       from datetime import datetime, timezone

     

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       from firehose_utils import commit_ops

     

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       from io import BytesIO

     

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       app_bsky_allowlist = set([

     

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           'app.bsky.actor.profile',

     

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           'app.bsky.feed.generator',

     

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           'app.bsky.feed.like',

     

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           'app.bsky.feed.post',

     

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           'app.bsky.feed.repost',

     

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           'app.bsky.feed.threadgate',

     

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           'app.bsky.graph.block',

     

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           'app.bsky.graph.follow',

     

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           'app.bsky.graph.list',

     

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           'app.bsky.graph.listblock',

     

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           'app.bsky.graph.listitem',

     

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           'app.bsky.labeler.service',

     

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       ])

     

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       def main():

     

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           redis_cnx = redis.Redis()

     

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           redis_pipe = redis_cnx.pipeline()

     

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           redis_sub = redis_cnx.pubsub(ignore_subscribe_messages=True)

     

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           db_fname = '/opt/muninsky/users.db'

     

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           db_fname = 'users.db'

     

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           db_cnx = sqlite3.connect(db_fname)

     

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           with db_cnx:

     

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               db_cnx.executescript("""

     

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               PRAGMA journal_mode = WAL;

     

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               PRAGMA synchronous = off;

     

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               CREATE TABLE IF NOT EXISTS users (did TEXT, ts TIMESTAMP);

     

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               CREATE UNIQUE INDEX IF NOT EXISTS did_idx on users(did);

     

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               CREATE INDEX IF NOT EXISTS ts_idx on users(ts);

     

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               """)

     

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           op_count = 0

     

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           redis_sub.subscribe('bsky-tools:firehose:stream')

     

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           for event in redis_sub.listen():

     

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               frame = BytesIO(event['data'])

     

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               header = dag_cbor.decode(frame, allow_concat=True)

     

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               if header['op'] != 1 or header['t'] != '#commit':

     

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                   continue

     

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               payload = dag_cbor.decode(frame)

     

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               if payload['tooBig']:

     

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                   # TODO(ejd): how handle these?

     

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                   continue

     

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               for op in commit_ops(payload):

     

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                   if op['action'] != 'create':

     

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                       continue

     

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                   collection, _ = op['path'].split('/')

     

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                   if collection not in app_bsky_allowlist:

     

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                       continue

     

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                   repo_did = payload['repo']

     

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                   ts = datetime.now(timezone.utc).timestamp()

     

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                   db_cnx.execute(

     

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                       'insert into users values (:did, :ts) on conflict (did) do update set ts = :ts',

     

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                       {'did': repo_did, 'ts': ts}

     

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                   )

     

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                   redis_pipe \

     

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                       .incr(collection) \

     

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                       .incr('dev.edavis.muninsky.ops')

     

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                   op_count += 1

     

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                   if op_count % 500 == 0:

     

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                       payload_seq = payload['seq']

     

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                       sys.stdout.write(f'checkpoint: seq: {payload_seq}\n')

     

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                       redis_pipe.set('dev.edavis.muninsky.seq', payload_seq)

     

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                       redis_pipe.execute()

     

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                       db_cnx.commit()

     

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                       sys.stdout.flush()

     

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       if __name__ == '__main__':

     

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           main()

+11

firehose_utils.py

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       from atproto import CAR

     

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       def commit_ops(payload):

     

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           # TODO(ejd): figure out how to validate blocks

     

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           car_parsed = CAR.from_bytes(payload['blocks'])

     

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           for op in payload['ops']:

     

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               repo_op = op.copy()

     

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               if op['cid'] is not None:

     

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                   repo_op['cid'] = op['cid'].encode('base32')

     

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                   repo_op['record'] = car_parsed.blocks[repo_op['cid']]

     

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               yield repo_op