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#!/usr/bin/python3

import configparser
import datetime
import gzip
import mysql.connector
import os

docroot = os.path.dirname(os.path.realpath(__file__)) + "/../web/html/"

config = configparser.RawConfigParser()
config.read(os.path.dirname(os.path.realpath(__file__)) + "/../conf/config")

aur_db_host = config.get('database', 'host')
aur_db_name = config.get('database', 'name')
aur_db_user = config.get('database', 'user')
aur_db_pass = config.get('database', 'password')
aur_db_socket = config.get('database', 'socket')


def main():
    db = mysql.connector.connect(host=aur_db_host, user=aur_db_user,
                                 passwd=aur_db_pass, db=aur_db_name,
                                 unix_socket=aur_db_socket, buffered=True)
    cur = db.cursor()

    datestr = datetime.datetime.utcnow().strftime("%a, %d %b %Y %H:%M:%S GMT")
    pkglist_header = "# AUR package list, generated on " + datestr
    pkgbaselist_header = "# AUR package base list, generated on " + datestr

    with gzip.open(docroot + "packages.gz", "w") as f:
        f.write(bytes(pkglist_header + "\n", "UTF-8"))
        cur.execute("SELECT Packages.Name FROM Packages " +
                    "INNER JOIN PackageBases " +
                    "ON PackageBases.ID = Packages.PackageBaseID " +
                    "WHERE PackageBases.PackagerUID IS NOT NULL")
        f.writelines([bytes(x[0] + "\n", "UTF-8") for x in cur.fetchall()])

    with gzip.open(docroot + "pkgbase.gz", "w") as f:
        f.write(bytes(pkgbaselist_header + "\n", "UTF-8"))
        cur.execute("SELECT Name FROM PackageBases " +
                    "WHERE PackagerUID IS NOT NULL")
        f.writelines([bytes(x[0] + "\n", "UTF-8") for x in cur.fetchall()])

    db.close()


if __name__ == '__main__':
    main()