welcome/db-setup.py
2021-05-19 14:23:08 +02:00

161 lines
4.4 KiB
Python

#import getpass
import os
import sys
import psycopg2
from psycopg2 import sql
from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
# Returns the parameter from the specified file
def get_parameter( parameter, file_path ):
# Check if secrets file exists
if not os.path.isfile(file_path):
print("File %s not found, asking."%file_path)
write_parameter( parameter, file_path )
#sys.exit(0)
# Find parameter in file
with open( file_path ) as f:
for line in f:
if line.startswith( parameter ):
return line.replace(parameter + ":", "").strip()
# Cannot find parameter, exit
print(file_path + " Missing parameter %s "%parameter)
sys.exit(0)
def write_parameter( parameter, file_path ):
if not os.path.exists('config'):
os.makedirs('config')
print("Setting up welcome parameters...")
print("\n")
welcome_db = input("welcome db name: ")
welcome_db_user = input("welcome db user: ")
mastodon_db = input("Mastodon db name: ")
mastodon_db_user = input("Mastodon db user: ")
with open(file_path, "w") as text_file:
print("welcome_db: {}".format(welcome_db), file=text_file)
print("welcome_db_user: {}".format(welcome_db_user), file=text_file)
print("mastodon_db: {}".format(mastodon_db), file=text_file)
print("mastodon_db_user: {}".format(mastodon_db_user), file=text_file)
def create_table(db, db_user, table, sql):
conn = None
try:
conn = psycopg2.connect(database = db, user = db_user, password = "", host = "/var/run/postgresql", port = "5432")
cur = conn.cursor()
print("Creating table.. "+table)
# Create the table in PostgreSQL database
cur.execute(sql)
conn.commit()
print("Table "+table+" created!")
print("\n")
except (Exception, psycopg2.DatabaseError) as error:
print(error)
finally:
if conn is not None:
conn.close()
###############################################################################
# main
if __name__ == '__main__':
# Load configuration from config file
config_filepath = "config/db_config.txt"
welcome_db = get_parameter("welcome_db", config_filepath)
welcome_db_user = get_parameter("welcome_db_user", config_filepath)
mastodon_db = get_parameter("mastodon_db", config_filepath)
mastodon_db_user = get_parameter("mastodon_db_user", config_filepath)
############################################################
# create database
############################################################
conn = None
try:
conn = psycopg2.connect(dbname='postgres',
user=welcome_db_user, host='',
password='')
conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
cur = conn.cursor()
print("Creating database " + welcome_db + ". Please wait...")
cur.execute(sql.SQL("CREATE DATABASE {}").format(
sql.Identifier(welcome_db))
)
print("Database " + welcome_db + " created!")
except (Exception, psycopg2.DatabaseError) as error:
print(error)
finally:
if conn is not None:
conn.close()
############################################################
try:
conn = None
conn = psycopg2.connect(database = welcome_db, user = welcome_db_user, password = "", host = "/var/run/postgresql", port = "5432")
except (Exception, psycopg2.DatabaseError) as error:
print(error)
# Load configuration from config file
os.remove("config/db_config.txt")
print("Exiting. Run db-setup again with right parameters")
sys.exit(0)
finally:
if conn is not None:
conn.close()
print("\n")
print("welcome parameters saved to db-config.txt!")
print("\n")
############################################################
# Create needed tables
############################################################
print("Creating table...")
db = welcome_db
db_user = welcome_db_user
table = "welcome"
sql = "create table "+table+" (datetime timestamptz PRIMARY KEY, users int, users_hour int)"
create_table(db, db_user, table, sql)
############################################################
print("Done!")
print("Now you can run setup.py!")
print("\n")