198 lines
11 KiB
Plaintext
198 lines
11 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"# !pip install psycopg[binary]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"INSERT_TABLES = False\n",
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"INSERT_SAMPLE_DATA = False\n",
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"\n",
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"import psycopg\n",
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"connection_info = \"host={} port={} user={} password={} dbname={}\".format(\"localhost\", \"5432\", \"supermatitos\", \"supermatitos\", \"matitos\")\n",
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"\n",
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"\n",
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"if INSERT_TABLES:\n",
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" # Connect to an existing database\n",
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" with psycopg.connect(connection_info) as conn:\n",
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" # Open a cursor to perform database operations\n",
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" with conn.cursor() as cur:\n",
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" # Autocommit at end of transaction (Atomic insert of URLs and sources)\n",
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" with conn.transaction() as tx:\n",
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" # Create URLs table\n",
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" c = cur.execute(\"\"\"\n",
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" CREATE TYPE URL_STATUS AS ENUM ('raw', 'error', 'valid', 'unknown', 'invalid', 'duplicate');\n",
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"\n",
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" CREATE TABLE URLS (\n",
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" id SERIAL PRIMARY KEY,\n",
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" url TEXT NOT NULL UNIQUE,\n",
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" ts_fetch TIMESTAMPTZ NOT NULL DEFAULT NOW(),\n",
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" status URL_STATUS NOT NULL DEFAULT 'raw' -- ,\n",
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" -- status_wendy WENDY_STATUS DEFAULT NULL,\n",
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" -- ts_wendy TIMESTAMPTZ DEFAULT NULL\n",
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" );\n",
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" CREATE INDEX idx_urls_status ON urls(status);\n",
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" CREATE INDEX idx_urls_ts_fetch ON urls(ts_fetch);\n",
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"\n",
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" CREATE TABLE URLS_DUPLICATE (\n",
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" id_url_canonical INTEGER REFERENCES URLS(id),\n",
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" id_url_duplicated INTEGER REFERENCES URLS(id),\n",
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" PRIMARY KEY (id_url_canonical, id_url_duplicated)\n",
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" );\n",
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"\n",
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" CREATE TABLE FEED (\n",
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" id SMALLSERIAL PRIMARY KEY,\n",
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" rss_feed TEXT NOT NULL UNIQUE\n",
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" );\n",
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" CREATE TABLE WEBSITE_OF_INTEREST (\n",
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" id SMALLSERIAL PRIMARY KEY,\n",
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" url_host TEXT NOT NULL UNIQUE\n",
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" );\n",
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" CREATE TABLE SEARCH (\n",
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" id SMALLSERIAL PRIMARY KEY,\n",
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" keyword_search TEXT NOT NULL UNIQUE\n",
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" );\n",
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" CREATE TABLE SOURCE (\n",
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" id SMALLSERIAL PRIMARY KEY,\n",
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" source TEXT NOT NULL UNIQUE\n",
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" );\n",
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"\n",
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" CREATE TABLE URLS_SOURCE (\n",
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" id_url INTEGER REFERENCES URLS(id),\n",
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" id_source SMALLINT REFERENCES SOURCE(id) ON UPDATE CASCADE ON DELETE RESTRICT, -- Source encodes search information\n",
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" PRIMARY KEY(id_url, id_source)\n",
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" );\n",
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" CREATE INDEX idx_source ON urls_source(id_source);\n",
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"\n",
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" CREATE TABLE WEBSITE_TO_FILTER (\n",
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" id SMALLSERIAL PRIMARY KEY,\n",
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" url_host TEXT NOT NULL UNIQUE\n",
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" );\n",
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"\n",
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" CREATE TABLE STATUS_PATTERN_MATCHING (\n",
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" pattern TEXT PRIMARY KEY,\n",
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" priority SMALLINT NOT NULL,\n",
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" status URL_STATUS NOT NULL\n",
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" );\n",
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" \n",
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" \n",
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" CREATE TABLE URL_CONTENT (\n",
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" id_url INTEGER REFERENCES URLS(id),\n",
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" date_published TIMESTAMPTZ NOT NULL DEFAULT NOW(),\n",
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" title TEXT,\n",
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" description TEXT,\n",
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" content TEXT,\n",
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" tags TEXT[],\n",
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" authors TEXT[],\n",
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" image_urls TEXT[],\n",
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" );\n",
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" CREATE INDEX idx_tags ON URL_CONTENT USING GIN(tags);\n",
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" CREATE INDEX idx_authors ON URL_CONTENT USING GIN(authors);\n",
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" \"\"\")\n",
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"\n",
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" # Feeds\n",
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" cur.execute( \"INSERT INTO FEED (rss_feed) VALUES ('https://api.missingkids.org/missingkids/servlet/XmlServlet?act=rss&LanguageCountry=en_US&orgPrefix=NCMC');\" )\n",
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" # Websites of interest\n",
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" cur.execute( \"INSERT INTO WEBSITE_OF_INTEREST (url_host) VALUES ('www.unicef.org');\" )\n",
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" # Search keywords\n",
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" cur.execute( \"INSERT INTO SEARCH (keyword_search) VALUES ('child abuse');\" )\n",
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" # Domains to filter\n",
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" cur.execute( \"INSERT INTO WEBSITE_TO_FILTER (url_host) VALUES ('yewtu.be');\" )\n",
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" cur.execute( \"INSERT INTO WEBSITE_TO_FILTER (url_host) VALUES ('twitter.com');\" )\n",
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" cur.execute( \"INSERT INTO WEBSITE_TO_FILTER (url_host) VALUES ('libreddit.de');\" )\n",
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" cur.execute( \"INSERT INTO WEBSITE_TO_FILTER (url_host) VALUES ('youtube.com');\" )\n",
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" cur.execute( \"INSERT INTO WEBSITE_TO_FILTER (url_host) VALUES ('tiktok.com');\" )\n",
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" cur.execute( \"INSERT INTO WEBSITE_TO_FILTER (url_host) VALUES ('radio.foxnews.com');\" )\n",
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" # Status update based on pattern matching (with priority to apply in order)\n",
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" cur.execute( \"INSERT INTO STATUS_PATTERN_MATCHING (pattern, priority, status) VALUES ('.*missingkids.org/poster/.*', 50, 'valid');\" )"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"if INSERT_SAMPLE_DATA:\n",
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" # Connect to an existing database\n",
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" with psycopg.connect(connection_info) as conn:\n",
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" # Open a cursor to perform database operations\n",
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" with conn.cursor() as cur:\n",
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" # Autocommit at end of transaction (Atomic insert of URLs and sources)\n",
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" with conn.transaction() as tx:\n",
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" # Valid\n",
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" cur.execute(\"INSERT INTO URLS (url, status) values ('https://www.foxnews.com/us/husband-ruby-franke-utah-mommy-blogger-convicted-child-abuse-regrets-wifes-fall-fame', 'valid')\")\n",
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" cur.execute(\"INSERT INTO URLS (url, status) values ('https://www.bbc.com/news/articles/ckg843y8y7no', 'valid')\")\n",
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" cur.execute(\"INSERT INTO URLS (url, status) values ('https://www.wilx.com/2025/03/05/lenawee-county-man-arrested-possessing-child-abuse-material/', 'valid')\")\n",
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" cur.execute(\"INSERT INTO URLS (url, status) values ('https://www.dw.com/en/trauma-how-child-abuse-victims-deal-with-parenthood/a-71833895', 'valid')\")\n",
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" cur.execute(\"INSERT INTO URLS (url, status) values ('https://nypost.com/2025/03/06/us-news/colorado-day-care-worker-hit-with-51-charges-of-child-abuse-harassment-for-slapping-toddler/', 'valid')\")\n",
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" cur.execute(\"INSERT INTO URLS (url, status) values ('https://www.fox35orlando.com/news/tavares-police-florida-boys-10-9-abused-sheer-brutality', 'valid')\")\n",
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" # Invalid\n",
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" cur.execute(\"INSERT INTO URLS (url, status) values ('https://www.google.com', 'invalid')\")\n",
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"\n",
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" cur.execute(\"INSERT INTO SOURCE (source) values ('news.google.com')\")\n",
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" cur.execute(\"INSERT INTO SOURCE (source) values ('qwant.com')\")\n",
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"\n",
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" cur.execute(\"INSERT INTO URLS_SOURCE (id_url, id_source) values (1, 1)\")\n",
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" cur.execute(\"INSERT INTO URLS_SOURCE (id_url, id_source) values (2, 1)\")\n",
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" cur.execute(\"INSERT INTO URLS_SOURCE (id_url, id_source) values (3, 1)\")\n",
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" cur.execute(\"INSERT INTO URLS_SOURCE (id_url, id_source) values (4, 1)\")\n",
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" cur.execute(\"INSERT INTO URLS_SOURCE (id_url, id_source) values (5, 1)\")\n",
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" cur.execute(\"INSERT INTO URLS_SOURCE (id_url, id_source) values (6, 1)\")\n",
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" cur.execute(\"INSERT INTO URLS_SOURCE (id_url, id_source) values (7, 1)\")\n",
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"\n",
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" cur.execute(\"INSERT INTO URLS_SOURCE (id_url, id_source) values (1, 2)\")\n",
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" cur.execute(\"INSERT INTO URLS_SOURCE (id_url, id_source) values (2, 2)\")\n",
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" cur.execute(\"INSERT INTO URLS_SOURCE (id_url, id_source) values (3, 2)\")\n",
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"\n",
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" for j in range(15):\n",
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" import time\n",
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" time.sleep(1)\n",
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" cur.execute(\"INSERT INTO URLS (url, status) values ('www.super_{}.org', 'invalid')\".format(j))\n",
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" \n",
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" # Long URLs \n",
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" cur.execute(\"INSERT INTO URLS (url, status) values ('www.super_url.org/superextrakmsdimsdf/349mvlsdfsdfwr/akivsdmimnsdifmisdf_23dj9sdgj9sdgj8sdf8ds8f.html', 'invalid')\".format(j))\n",
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" cur.execute(\"INSERT INTO URLS (url, status) values ('www.super_url.org/superextrakmsdimsdf/349mvlsdfsdfwr/akivsdmimnsdifmisdf.html', 'invalid')\".format(j))"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"from pprint import pprint\n",
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"\n",
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"# Connect to an existing database\n",
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"with psycopg.connect(connection_info) as conn:\n",
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" # Open a cursor to perform database operations\n",
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" with conn.cursor() as cur:\n",
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" # Get tables\n",
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" cur.execute(\"SELECT table_name FROM information_schema.tables WHERE table_schema='public';\")\n",
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" tables = [t[0] for t in cur.fetchall()]\n",
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"\n",
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" for t in tables:\n",
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" print(\"\\t\", t)\n",
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" pprint( cur.execute(\"SELECT * FROM {} LIMIT 50;\".format(t)).fetchall() )"
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]
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}
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],
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"metadata": {
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"language_info": {
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"name": "python"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}
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