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matitos_news/app_urls/1-DB.ipynb

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{
"cells": [
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
"# !pip install psycopg[binary]"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"db_postgres\n",
"db_redis\n",
"\u001b[1A\u001b[1B\u001b[0G\u001b[?25l[+] Running 2/0\n",
" ⠿ Container db_redis \u001b[39mStarting\u001b[0m \u001b[34m0.1s \u001b[0m\n",
" ⠿ Container db_postgres \u001b[39mStarting\u001b[0m \u001b[34m0.1s \u001b[0m\n",
" \u001b[32m✔\u001b[0m Container dozzle \u001b[32mRunning\u001b[0m \u001b[34m0.0s \u001b[0m\n",
" \u001b[32m✔\u001b[0m Container adminer \u001b[32mRunning\u001b[0m \u001b[34m0.0s \u001b[0m\n",
"\u001b[?25h\u001b[1A\u001b[1A\u001b[1A\u001b[1A\u001b[1A\u001b[0G\u001b[?25l[+] Running 2/4\n",
" ⠿ Container db_redis \u001b[39mStarting\u001b[0m \u001b[34m0.2s \u001b[0m\n",
" ⠿ Container db_postgres \u001b[39mStarting\u001b[0m \u001b[34m0.2s \u001b[0m\n",
" \u001b[32m✔\u001b[0m Container dozzle \u001b[32mRunning\u001b[0m \u001b[34m0.0s \u001b[0m\n",
" \u001b[32m✔\u001b[0m Container adminer \u001b[32mRunning\u001b[0m \u001b[34m0.0s \u001b[0m\n",
"\u001b[?25h\u001b[1A\u001b[1A\u001b[1A\u001b[1A\u001b[1A\u001b[0G\u001b[?25l\u001b[34m[+] Running 4/4\u001b[0m\n",
" \u001b[32m✔\u001b[0m Container db_redis \u001b[32mStarted\u001b[0m \u001b[34m0.3s \u001b[0m\n",
" \u001b[32m✔\u001b[0m Container db_postgres \u001b[32mStarted\u001b[0m \u001b[34m0.3s \u001b[0m\n",
" \u001b[32m✔\u001b[0m Container dozzle \u001b[32mRunning\u001b[0m \u001b[34m0.0s \u001b[0m\n",
" \u001b[32m✔\u001b[0m Container adminer \u001b[32mRunning\u001b[0m \u001b[34m0.0s \u001b[0m\n",
"\u001b[?25h"
]
}
],
"source": [
"!docker rm -f db_postgres db_redis; docker compose -f ../docker/docker-compose.yml up -d ; sleep 5\n",
"!rm logs/*"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [],
"source": [
"INSERT_TABLES = True\n",
"INSERT_SAMPLE_DATA = False\n",
"\n",
"import psycopg\n",
"connection_info = \"host={} port={} user={} password={} dbname={}\".format(\"localhost\", \"5432\", \"supermatitos\", \"supermatitos\", \"matitos\")\n",
"\n",
"from datetime import datetime, timezone\n",
"import re\n",
"from pprint import pprint"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [],
"source": [
"if INSERT_TABLES:\n",
" # Connect to an existing database\n",
" with psycopg.connect(connection_info) as conn:\n",
" # Open a cursor to perform database operations\n",
" with conn.cursor() as cur:\n",
" # Autocommit at end of transaction (Atomic insert of URLs and sources)\n",
" with conn.transaction() as tx:\n",
" # Create URLs table\n",
" c = cur.execute(\"\"\"\n",
" CREATE TYPE URL_STATUS AS ENUM ('raw', 'error', 'valid', 'unknown', 'invalid', 'duplicate');\n",
"\n",
" CREATE TABLE URLS (\n",
" id SERIAL PRIMARY KEY,\n",
" url TEXT NOT NULL UNIQUE,\n",
" ts_fetch TIMESTAMPTZ NOT NULL DEFAULT NOW(),\n",
" status URL_STATUS NOT NULL DEFAULT 'raw' -- ,\n",
" -- status_wendy WENDY_STATUS DEFAULT NULL,\n",
" -- ts_wendy TIMESTAMPTZ DEFAULT NULL\n",
" );\n",
" CREATE INDEX idx_urls_status ON urls(status);\n",
" CREATE INDEX idx_urls_ts_fetch ON urls(ts_fetch);\n",
"\n",
" CREATE TABLE URLS_DUPLICATE (\n",
" id_url_canonical INTEGER REFERENCES URLS(id),\n",
" id_url_duplicated INTEGER REFERENCES URLS(id),\n",
" PRIMARY KEY (id_url_canonical, id_url_duplicated)\n",
" );\n",
" \n",
" CREATE TYPE SEARCH_TYPE AS ENUM ('rss_feed', 'keyword_search', 'url_host');\n",
" CREATE TABLE SEARCH (\n",
" id SMALLSERIAL PRIMARY KEY,\n",
" search TEXT NOT NULL UNIQUE,\n",
" type SEARCH_TYPE NOT NULL\n",
" -- language_country CHAR(5), -- Language: ISO 639-1 Code. Country: ISO 3166 ALPHA-2. e.g.: en-us. Required for search\n",
" -- UNIQUE(search, language_country)\n",
" );\n",
" CREATE INDEX idx_search_type ON SEARCH(type);\n",
" \n",
" CREATE TABLE SOURCE (\n",
" id SMALLSERIAL PRIMARY KEY,\n",
" source TEXT NOT NULL UNIQUE\n",
" );\n",
" \n",
" -- CREATE TABLE SEARCH_LANGUAGE (\n",
" -- language CHAR(2) NOT NULL, -- ISO 639-1 Code, e.g. \"en\"\n",
" -- country CHAR(2) NOT NULL, -- ISO 3166 ALPHA-2, e.g. \"us\"\n",
" -- PRIMARY KEY (language, country)\n",
" -- );\n",
" \n",
" CREATE TABLE URLS_SOURCE_SEARCH (\n",
" id_url INTEGER REFERENCES URLS(id),\n",
" id_source SMALLINT REFERENCES SOURCE(id) ON UPDATE CASCADE ON DELETE RESTRICT,\n",
" id_search SMALLINT REFERENCES SEARCH(id) ON UPDATE CASCADE ON DELETE RESTRICT,\n",
" PRIMARY KEY(id_url, id_source, id_search)\n",
" );\n",
" CREATE INDEX idx_source ON URLS_SOURCE_SEARCH(id_source);\n",
" CREATE INDEX idx_search ON URLS_SOURCE_SEARCH(id_search);\n",
"\n",
" CREATE TABLE STATUS_PATTERN_MATCHING (\n",
" pattern TEXT PRIMARY KEY,\n",
" priority SMALLINT NOT NULL,\n",
" status URL_STATUS NOT NULL\n",
" );\n",
" \n",
" \n",
" CREATE TABLE URL_CONTENT (\n",
" id_url INTEGER PRIMARY KEY REFERENCES URLS(id),\n",
" date_published TIMESTAMPTZ DEFAULT NOW(),\n",
" title TEXT,\n",
" description TEXT,\n",
" content TEXT,\n",
" valid_content BOOLEAN,\n",
" language CHAR(2), -- ISO 639-1 Code\n",
" keywords TEXT[],\n",
" tags TEXT[],\n",
" authors TEXT[],\n",
" image_main_url TEXT,\n",
" images_url TEXT[],\n",
" videos_url TEXT[],\n",
" url_host TEXT, -- www.breitbart.com\n",
" site_name TEXT -- Breitbart News\n",
" );\n",
" CREATE INDEX idx_tags ON URL_CONTENT USING GIN(tags);\n",
" CREATE INDEX idx_authors ON URL_CONTENT USING GIN(authors);\n",
" CREATE INDEX idx_date_published ON URL_CONTENT (date_published);\n",
" CREATE INDEX idx_valid_content ON URL_CONTENT (valid_content);\n",
" CREATE INDEX idx_language ON URL_CONTENT (language);\n",
" CREATE INDEX idx_url_host ON URL_CONTENT (url_host);\n",
" \"\"\")\n",
"\n",
" ### Default insert values\n",
" \n",
" # Feeds\n",
" cur.execute( \"INSERT INTO SEARCH (search, type) VALUES ('https://api.missingkids.org/missingkids/servlet/XmlServlet?act=rss&LanguageCountry=en_US&orgPrefix=NCMC', 'rss_feed');\" )\n",
" # Websites of interest\n",
" cur.execute( \"INSERT INTO SEARCH (search, type) VALUES ('missingkids.org/poster', 'url_host');\" )\n",
" cur.execute( \"INSERT INTO SEARCH (search, type) VALUES ('missingkids.org/new-poster', 'url_host');\" )\n",
" cur.execute( \"INSERT INTO SEARCH (search, type) VALUES ('breitbart.com', 'url_host');\" )\n",
" # Search keywords\n",
" cur.execute( \"INSERT INTO SEARCH (search, type) VALUES ('child abuse', 'keyword_search');\" )\n",
" # cur.execute( \"INSERT INTO SEARCH (search, type) VALUES ('child abuse', 'keyword_search', 'en-us');\" )\n",
" # cur.execute( \"INSERT INTO SEARCH (search, type) VALUES ('child abuse', 'keyword_search', 'en-gb');\" )\n",
" \n",
" # Status update based on pattern matching (with priority to apply in order). Regex test https://regex101.com/\n",
" # cur.execute( \"INSERT INTO STATUS_PATTERN_MATCHING (pattern, priority, status) VALUES ('{}', 75, 'valid');\".format(\".*{}.*\".format(re.escape(\"missingkids.org/poster/\"))) )\n",
" cur.execute( \"INSERT INTO STATUS_PATTERN_MATCHING (pattern, priority, status) VALUES ('{}', 50, 'invalid');\".format(\".*{}.*\".format(re.escape(\"youtube.com/\"))) )\n",
" cur.execute( \"INSERT INTO STATUS_PATTERN_MATCHING (pattern, priority, status) VALUES ('{}', 50, 'invalid');\".format(\".*{}.*\".format(re.escape(\"tiktok.com/\"))) )\n",
" cur.execute( \"INSERT INTO STATUS_PATTERN_MATCHING (pattern, priority, status) VALUES ('{}', 50, 'invalid');\".format(\".*{}.*\".format(re.escape(\"twitter.com/\"))) )\n",
" cur.execute( \"INSERT INTO STATUS_PATTERN_MATCHING (pattern, priority, status) VALUES ('{}', 50, 'invalid');\".format(\".*{}.*\".format(re.escape(\"reddit.com/\"))) )\n",
" cur.execute( \"INSERT INTO STATUS_PATTERN_MATCHING (pattern, priority, status) VALUES ('{}', 50, 'invalid');\".format(\".*{}.*\".format(re.escape(\"libreddit.de/\"))) )\n",
" cur.execute( \"INSERT INTO STATUS_PATTERN_MATCHING (pattern, priority, status) VALUES ('{}', 50, 'invalid');\".format(\".*{}.*\".format(re.escape(\"radio.foxnews.com/\"))) )"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\t urls\n",
"[]\n",
"\t urls_duplicate\n",
"[]\n",
"\t urls_source_search\n",
"[]\n",
"\t source\n",
"[]\n",
"\t search\n",
"[(1,\n",
" 'https://api.missingkids.org/missingkids/servlet/XmlServlet?act=rss&LanguageCountry=en_US&orgPrefix=NCMC',\n",
" 'rss_feed'),\n",
" (2, 'missingkids.org/poster', 'url_host'),\n",
" (3, 'missingkids.org/new-poster', 'url_host'),\n",
" (4, 'breitbart.com', 'url_host'),\n",
" (5, 'child abuse', 'keyword_search')]\n",
"\t status_pattern_matching\n",
"[('.*youtube\\\\.com/.*', 50, 'invalid'),\n",
" ('.*tiktok\\\\.com/.*', 50, 'invalid'),\n",
" ('.*twitter\\\\.com/.*', 50, 'invalid'),\n",
" ('.*reddit\\\\.com/.*', 50, 'invalid'),\n",
" ('.*libreddit\\\\.de/.*', 50, 'invalid'),\n",
" ('.*radio\\\\.foxnews\\\\.com/.*', 50, 'invalid')]\n",
"\t url_content\n",
"[]\n"
]
}
],
"source": [
"# Connect to an existing database\n",
"with psycopg.connect(connection_info) as conn:\n",
" # Open a cursor to perform database operations\n",
" with conn.cursor() as cur:\n",
" # Get tables\n",
" cur.execute(\"SELECT table_name FROM information_schema.tables WHERE table_schema='public';\")\n",
" tables = [t[0] for t in cur.fetchall()]\n",
"\n",
" for t in tables:\n",
" print(\"\\t\", t)\n",
" pprint( cur.execute(\"SELECT * FROM {} LIMIT 50;\".format(t)).fetchall() )"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[(1,\n",
" 'https://api.missingkids.org/missingkids/servlet/XmlServlet?act=rss&LanguageCountry=en_US&orgPrefix=NCMC',\n",
" 'rss_feed'),\n",
" (2, 'missingkids.org/poster', 'url_host'),\n",
" (3, 'missingkids.org/new-poster', 'url_host'),\n",
" (4, 'breitbart.com', 'url_host'),\n",
" (5, 'child abuse', 'keyword_search')]\n"
]
}
],
"source": [
"# Connect to an existing database\n",
"with psycopg.connect(connection_info) as conn:\n",
" # Open a cursor to perform database operations\n",
" with conn.cursor() as cur:\n",
" pprint( cur.execute(\"SELECT * FROM SEARCH;\").fetchall() )"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[]\n"
]
}
],
"source": [
"# Connect to an existing database\n",
"with psycopg.connect(connection_info) as conn:\n",
" # Open a cursor to perform database operations\n",
" with conn.cursor() as cur:\n",
" pprint( cur.execute(\"SELECT * FROM URLS LIMIT 50;\").fetchall() )\n",
" #pprint( cur.execute(\"SELECT id_url, title, valid_content FROM URL_CONTENT LIMIT 10;\").fetchall() )"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"'\\n!docker rm -f db_redis; docker compose -f ../docker/docker-compose.yml up -d\\n\\n# Connect to an existing database\\nwith psycopg.connect(connection_info) as conn:\\n # Open a cursor to perform database operations\\n with conn.cursor() as cur:\\n pprint( cur.execute(\"TRUNCATE URLS, URL_CONTENT, URLS_SOURCE_SEARCH, URLS_DUPLICATE;\") )\\n # cur.execute( \"INSERT INTO SEARCH (search, type) VALUES (\\'missingkids.org\\', \\'url_host\\');\" )\\n'"
]
},
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"'''\n",
"!docker rm -f db_redis; docker compose -f ../docker/docker-compose.yml up -d\n",
"\n",
"# Connect to an existing database\n",
"with psycopg.connect(connection_info) as conn:\n",
" # Open a cursor to perform database operations\n",
" with conn.cursor() as cur:\n",
" pprint( cur.execute(\"TRUNCATE URLS, URL_CONTENT, URLS_SOURCE_SEARCH, URLS_DUPLICATE;\") )\n",
" # cur.execute( \"INSERT INTO SEARCH (search, type) VALUES ('missingkids.org', 'url_host');\" )\n",
"'''"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "matitos",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.12.9"
}
},
"nbformat": 4,
"nbformat_minor": 2
}