mwmbl/analyse/export_urls.py
2022-01-02 20:06:13 +00:00

41 lines
1.1 KiB
Python

"""
Export the list of unique URLs to a SQLite file for analysis/evaluation.
"""
import sqlite3
from mwmbl.indexer.paths import URLS_PATH
from mwmbl.tinysearchengine.app import get_config_and_index
def create_database():
with sqlite3.connect(URLS_PATH) as connection:
connection.execute("""
CREATE TABLE urls (url TEXT PRIMARY KEY)
""")
def get_url_batches():
config, index = get_config_and_index()
for page_num in range(config.index_config.num_pages):
if page_num % 1000 == 0:
print("Processing page", page_num)
page = index.get_page(page_num)
if page is None:
continue
yield [url for title, url, extract in page]
def run():
create_database()
url_batches = get_url_batches()
with sqlite3.connect(URLS_PATH) as connection:
for url_batch in url_batches:
parameters = [(url,) for url in url_batch]
connection.executemany("""
INSERT OR IGNORE INTO urls VALUES (?)
""", parameters)
if __name__ == '__main__':
run()