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Allow posting extra links with lower score weighting

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This commit is contained in:
Daoud Clarke 2023-01-01 20:37:41 +00:00
parent 6edf48693b
commit 2336ed7f7d
5 changed files with 26 additions and 14 deletions
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devdata/index-v2.tinysearch
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2
mwmbl/crawler/app.py
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@ -49,7 +49,7 @@ def get_router(batch_cache: BatchCache, url_queue: Queue):
router = APIRouter(prefix="/crawler", tags=["crawler"])
@router.post('/batches/')
def create_batch(batch: Batch):
def post_batch(batch: Batch):
if len(batch.items) > MAX_BATCH_SIZE:
raise HTTPException(400, f"Batch size too large (maximum {MAX_BATCH_SIZE}), got {len(batch.items)}")

1
mwmbl/crawler/batch.py
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@ -7,6 +7,7 @@ class ItemContent(BaseModel):
title: str
extract: str
links: list[str]
extra_links: Optional[list[str]]
class ItemError(BaseModel):

36
mwmbl/indexer/update_urls.py
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@ -13,8 +13,7 @@ from mwmbl.indexer.batch_cache import BatchCache
from mwmbl.indexer.index_batches import get_url_error_status
from mwmbl.indexer.indexdb import BatchStatus
from mwmbl.settings import UNKNOWN_DOMAIN_MULTIPLIER, EXCLUDED_DOMAINS, SCORE_FOR_SAME_DOMAIN, \
SCORE_FOR_DIFFERENT_DOMAIN, SCORE_FOR_ROOT_PATH
SCORE_FOR_DIFFERENT_DOMAIN, SCORE_FOR_ROOT_PATH, EXTRA_LINK_MULTIPLIER
logger = getLogger(__name__)
@ -43,18 +42,13 @@ def record_urls_in_database(batches: Collection[HashedBatch]):
crawled_page_domain = urlparse(item.url).netloc
score_multiplier = 1 if crawled_page_domain in DOMAINS else UNKNOWN_DOMAIN_MULTIPLIER
for link in item.content.links:
parsed_link = urlparse(link)
if parsed_link.netloc in EXCLUDED_DOMAINS:
continue
process_link(batch, crawled_page_domain, link, score_multiplier, timestamp, url_scores,
url_timestamps, url_users, False)
score = SCORE_FOR_SAME_DOMAIN if parsed_link.netloc == crawled_page_domain else SCORE_FOR_DIFFERENT_DOMAIN
url_scores[link] += score * score_multiplier
url_users[link] = batch.user_id_hash
url_timestamps[link] = timestamp
domain = f'{parsed_link.scheme}://{parsed_link.netloc}/'
url_scores[domain] += SCORE_FOR_ROOT_PATH * score_multiplier
url_users[domain] = batch.user_id_hash
url_timestamps[domain] = timestamp
if item.content.extra_links:
for link in item.content.extra_links:
process_link(batch, crawled_page_domain, link, score_multiplier, timestamp, url_scores,
url_timestamps, url_users, True)
found_urls = [FoundURL(url, url_users[url], url_scores[url], url_statuses[url], url_timestamps[url])
for url in url_scores.keys() | url_statuses.keys()]
@ -62,6 +56,22 @@ def record_urls_in_database(batches: Collection[HashedBatch]):
url_db.update_found_urls(found_urls)
def process_link(batch, crawled_page_domain, link, unknown_domain_multiplier, timestamp, url_scores, url_timestamps, url_users, is_extra: bool):
parsed_link = urlparse(link)
if parsed_link.netloc in EXCLUDED_DOMAINS:
return
extra_multiplier = EXTRA_LINK_MULTIPLIER if is_extra else 1.0
score = SCORE_FOR_SAME_DOMAIN if parsed_link.netloc == crawled_page_domain else SCORE_FOR_DIFFERENT_DOMAIN
url_scores[link] += score * unknown_domain_multiplier * extra_multiplier
url_users[link] = batch.user_id_hash
url_timestamps[link] = timestamp
domain = f'{parsed_link.scheme}://{parsed_link.netloc}/'
url_scores[domain] += SCORE_FOR_ROOT_PATH * unknown_domain_multiplier
url_users[domain] = batch.user_id_hash
url_timestamps[domain] = timestamp
def get_datetime_from_timestamp(timestamp: float) -> datetime:
batch_datetime = datetime(1970, 1, 1, tzinfo=timezone.utc) + timedelta(seconds=timestamp)
return batch_datetime

1
mwmbl/settings.py
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@ -26,5 +26,6 @@ FILE_NAME_SUFFIX = '.json.gz'
SCORE_FOR_ROOT_PATH = 0.1
SCORE_FOR_DIFFERENT_DOMAIN = 1.0
SCORE_FOR_SAME_DOMAIN = 0.01
EXTRA_LINK_MULTIPLIER = 0.001
UNKNOWN_DOMAIN_MULTIPLIER = 0.001
EXCLUDED_DOMAINS = {'web.archive.org', 'forums.giantitp.com', 'www.crutchfield.com'}