mirror of
https://github.com/internetarchive/warcprox.git
synced 2025-01-18 13:22:09 +01:00
Merge branch 'limit_revisits' into qa
This commit is contained in:
commit
3de580e352
@ -62,6 +62,7 @@ class DedupableMixin(object):
|
||||
else:
|
||||
return recorded_url.response_recorder.payload_size() > self.min_binary_size
|
||||
|
||||
|
||||
class LimitRevisitsPGMixin():
|
||||
"""
|
||||
Limit revisits recorded to one per revisit_key
|
||||
@ -70,6 +71,7 @@ class LimitRevisitsPGMixin():
|
||||
self.datasource = "postgresql://archiveit@db.qa-archive-it.org/archiveit" # "postgresql://user@db_host/db_name"
|
||||
self.datatable = "crawl_revisits" # postgres table in db_name
|
||||
|
||||
@lru_cache(maxsize=256)
|
||||
def limit_revisits(self, recorded_url, hash_plus_url=None, revisit_key=None):
|
||||
# tracks revisits, returns True when we've seen revisit before, else False
|
||||
if not hash_plus_url:
|
||||
@ -116,62 +118,6 @@ class LimitRevisitsPGMixin():
|
||||
|
||||
return False
|
||||
|
||||
class LimitRecords(object):
|
||||
"""
|
||||
Limit records to one per revisit_key, e.g., crawl id
|
||||
"""
|
||||
def __init__(self, datasource, options=warcprox.Options()):
|
||||
self.datasource = datasource # "postgresql://user@db_host/db_name"
|
||||
# self.datatable = revisit_key # set in limit_revisits method
|
||||
# verify partition table exists
|
||||
self.datatable = 'crawled_urls' # postgres table in db_name
|
||||
|
||||
def limit_records(self, buckets):
|
||||
for bucket in buckets:
|
||||
for recorded_url in bucket:
|
||||
hash_plus_url = b''.join(
|
||||
(warcprox.digest_str(recorded_url.payload_digest,
|
||||
self.options.base32),
|
||||
recorded_url.url)
|
||||
)
|
||||
|
||||
# use ait-job-id if available, or seed?
|
||||
if (
|
||||
recorded_url.warcprox_meta
|
||||
and "metadata" in recorded_url.warcprox_meta
|
||||
and "ait-job-id" in recorded_url.warcprox_meta["metadata"]
|
||||
):
|
||||
revisit_key = recorded_url.warcprox_meta["metadata"]["ait-job-id"]
|
||||
else:
|
||||
revisit_key = 'all'
|
||||
|
||||
# query = f"SELECT exists(SELECT 1 FROM {revisit_key} WHERE hash_plus_url = {hash_plus_url} LIMIT 1;"
|
||||
query = f"SELECT exists(SELECT 1 FROM {self.datatable} WHERE hash_plus_url = {hash_plus_url} LIMIT 1;"
|
||||
|
||||
try:
|
||||
conn = psycopg2.connect(self.datasource)
|
||||
except Exception as e:
|
||||
self.logger.warning("db connection failure: %s", e)
|
||||
return False
|
||||
cur = conn.cursor()
|
||||
try:
|
||||
cur.execute(query)
|
||||
except Exception as e:
|
||||
self.logger.warning("exception querying for %s in %s: %s", hash_plus_url, revisit_key, e)
|
||||
return False
|
||||
result = cur.fetchone()
|
||||
|
||||
if result[0]:
|
||||
logging.info("skipping revisit for url %s and hash %s", recorded_url.url, hash)
|
||||
return True
|
||||
else:
|
||||
query = "INSERT INTO {revisit_key} VALUES(revisit_key, hash_plus_url);"
|
||||
try:
|
||||
cur.execute(query)
|
||||
except Exception as e:
|
||||
self.logger.warning("exception inserting %s in %s: %s", hash_plus_url, revisit_key, e)
|
||||
|
||||
return False
|
||||
|
||||
class DedupLoader(warcprox.BaseStandardPostfetchProcessor, DedupableMixin):
|
||||
def __init__(self, dedup_db, options=warcprox.Options()):
|
||||
@ -603,7 +549,11 @@ class BatchTroughLoader(warcprox.BaseBatchPostfetchProcessor, LimitRevisitsPGMix
|
||||
for recorded_url in key_index[entry['digest_key']]:
|
||||
recorded_url.dedup_info = entry
|
||||
if recorded_url.dedup_info:
|
||||
recorded_url.do_not_archive = self.limit_revisits(recorded_url)
|
||||
recorded_url.do_not_archive = self.limit_revisits(
|
||||
recorded_url,
|
||||
revisit_key=str(recorded_url.warcprox_meta["metadata"]["ait-job-id"])
|
||||
)
|
||||
logging.info('%s', self.limit_revisits.cache_info())
|
||||
except Exception as e:
|
||||
# batch_lookup raised exception or something
|
||||
logging.warning(
|
||||
|
Loading…
x
Reference in New Issue
Block a user