174 líneas
4.1 KiB
Python
174 líneas
4.1 KiB
Python
import getpass
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import os
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import sys
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import psycopg2
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from psycopg2 import sql
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from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
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import pdb
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def get_dbconfig():
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# Load configuration from config file
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config_filepath = "config/db_config.txt"
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feeds_db = get_parameter("feeds_db", config_filepath)
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feeds_db_user = get_parameter("feeds_db_user", config_filepath)
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feeds_url = get_parameter("feeds_url", config_filepath)
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return (config_filepath, feeds_db, feeds_db_user, feeds_url)
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def get_parameter( parameter, file_path ):
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# Check if secrets file exists
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if not os.path.isfile(file_path):
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print("File %s not found, asking."%file_path)
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write_parameter( parameter, file_path )
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#sys.exit(0)
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# Find parameter in file
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with open( file_path ) as f:
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for line in f:
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if line.startswith( parameter ):
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return line.replace(parameter + ":", "").strip()
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# Cannot find parameter, exit
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print(file_path + " Missing parameter %s "%parameter)
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sys.exit(0)
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def create_db():
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create_error = ''
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conn = None
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try:
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conn = psycopg2.connect(dbname='postgres',
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user=feeds_db_user, host='',
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password='')
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conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
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cur = conn.cursor()
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print("Creating database " + feeds_db + ". Please wait...")
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cur.execute(sql.SQL("CREATE DATABASE {}").format(
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sql.Identifier(feeds_db))
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)
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print("Database " + feeds_db + " created!")
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except (Exception, psycopg2.DatabaseError) as error:
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create_error = error.pgcode
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sys.stdout.write(f'\n{str(error)}\n')
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finally:
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if conn is not None:
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conn.close()
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return create_error
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def check_db_conn():
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try:
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conn = None
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conn = psycopg2.connect(database = feeds_db, user = feeds_db_user, password = "", host = "/var/run/postgresql", port = "5432")
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except (Exception, psycopg2.DatabaseError) as error:
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print(error)
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os.remove(config_filepath)
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sys.exit('Exiting. Run db-setup again with right parameters')
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if conn is not None:
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print("\n")
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print("mastotuit parameters saved to db-config.txt!")
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print("\n")
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def write_parameter( parameter, file_path ):
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if not os.path.exists('config'):
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os.makedirs('config')
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print("Setting up mastotuit parameters...")
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print("\n")
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feeds_db = input("feeds db name: ")
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feeds_db_user = input("feeds db user: ")
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feeds_url = input("enter Mastodon user RSS feeds url: ")
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with open(file_path, "w") as text_file:
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print("feeds_db: {}".format(feeds_db), file=text_file)
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print("feeds_db_user: {}".format(feeds_db_user), file=text_file)
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print("feeds_url: {}".format(feeds_url), file=text_file)
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def create_table(db, db_user, table, sql):
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conn = None
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try:
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conn = psycopg2.connect(database = db, user = db_user, password = "", host = "/var/run/postgresql", port = "5432")
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cur = conn.cursor()
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print("Creating table.. "+table)
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# Create the table in PostgreSQL database
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cur.execute(sql)
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conn.commit()
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print("Table "+table+" created!")
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print("\n")
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except (Exception, psycopg2.DatabaseError) as error:
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print(error)
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finally:
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if conn is not None:
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conn.close()
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#############################################################################################
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# main
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if __name__ == '__main__':
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config_filepath, feeds_db, feeds_db_user, feeds_url = get_dbconfig()
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create_error = create_db()
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if create_error == '':
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check_db_conn()
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else:
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if create_error == '42P04':
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sys.exit()
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else:
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os.remove(config_filepath)
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sys.exit()
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############################################################
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# Create needed tables
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############################################################
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db = feeds_db
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db_user = feeds_db_user
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table = "id"
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sql = f'create table {table} (toot_id bigint PRIMARY KEY, tweet_id bigint)'
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create_table(db, db_user, table, sql)
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print(f'Done!\nNow you can run setup.py\n')
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