146 lines
4 KiB
Python
146 lines
4 KiB
Python
import os
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import time
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import argparse
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import asyncio
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import logging
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from concurrent.futures.process import ProcessPoolExecutor
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from lbry.wallet.server.db.reader import search_to_bytes, initializer, _get_claims, interpolate
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from lbry.wallet.ledger import MainNetLedger
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log = logging.getLogger(__name__)
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log.addHandler(logging.StreamHandler())
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log.setLevel(logging.INFO)
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DEFAULT_ANY_TAGS = [
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'blockchain',
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'news',
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'learning',
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'technology',
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'automotive',
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'economics',
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'food',
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'science',
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'art',
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'nature'
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]
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COMMON_AND_RARE = [
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'gaming',
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'ufos'
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]
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COMMON_AND_RARE2 = [
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'city fix',
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'gaming'
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]
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RARE_ANY_TAGS = [
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'city fix',
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'ufos',
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]
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CITY_FIX = [
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'city fix'
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]
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MATURE_TAGS = [
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'porn',
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'nsfw',
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'mature',
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'xxx'
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]
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ORDER_BY = [
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[
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"trending_global",
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"trending_mixed",
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],
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[
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"release_time"
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],
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[
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"effective_amount"
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]
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]
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def get_args(limit=20):
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args = []
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any_tags_combinations = [DEFAULT_ANY_TAGS, COMMON_AND_RARE, RARE_ANY_TAGS, COMMON_AND_RARE2, CITY_FIX, []]
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not_tags_combinations = [MATURE_TAGS, []]
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for no_totals in [True]:
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for offset in [0, 100]:
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for any_tags in any_tags_combinations:
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for not_tags in not_tags_combinations:
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for order_by in ORDER_BY:
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kw = {
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'order_by': order_by,
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'offset': offset,
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'limit': limit,
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'no_totals': no_totals
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}
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if not_tags:
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kw['not_tags'] = not_tags
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if any_tags:
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kw['any_tags'] = any_tags
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args.append(kw)
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print(len(args), "argument combinations")
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return args
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def _search(kwargs):
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start = time.time()
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try:
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search_to_bytes(kwargs)
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t = time.time() - start
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return t, kwargs
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except Exception as err:
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return -1, f"failed: error={str(type(err))}({str(err)})"
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async def search(executor, kwargs):
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try:
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return await asyncio.get_running_loop().run_in_executor(
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executor, _search, kwargs
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)
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except Exception as err:
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return f"failed (err={str(type(err))}({err}))- {kwargs}"
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async def main(db_path, max_query_time):
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args = dict(initializer=initializer, initargs=(log, db_path, MainNetLedger, 0.25))
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workers = max(os.cpu_count(), 4)
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log.info(f"using {workers} reader processes")
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query_executor = ProcessPoolExecutor(workers, **args)
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tasks = [search(query_executor, constraints) for constraints in get_args()]
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try:
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results = await asyncio.gather(*tasks)
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for ts, constraints in results:
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if ts >= max_query_time:
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sql = interpolate(*_get_claims("""
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claimtrie.claim_hash as is_controlling,
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claimtrie.last_take_over_height,
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claim.claim_hash, claim.txo_hash,
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claim.claims_in_channel,
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claim.height, claim.creation_height,
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claim.activation_height, claim.expiration_height,
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claim.effective_amount, claim.support_amount,
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claim.trending_group, claim.trending_mixed,
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claim.trending_local, claim.trending_global,
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claim.short_url, claim.canonical_url,
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claim.channel_hash, channel.txo_hash AS channel_txo_hash,
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channel.height AS channel_height, claim.signature_valid
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""", **constraints))
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print(f"Query took {int(ts * 1000)}ms\n{sql}")
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finally:
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query_executor.shutdown()
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument('--db_path', dest='db_path', default=os.path.expanduser('~/claims.db'), type=str)
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parser.add_argument('--max_time', dest='max_time', default=0.0, type=float)
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args = parser.parse_args()
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db_path = args.db_path
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max_query_time = args.max_time
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asyncio.run(main(db_path, max_query_time))
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