El codi de @temps@mastodont.cat! Aquest codi es un bot per a Mastodon que retorna en format gràfic el temps que fa o farà en qualsevol poble o ciutat que se li demani. https://mastodont.cat/@temps
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temps/db-setup.py

185 lines
4.8 KiB

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import getpass
import os
import sys
from mastodon import Mastodon
from mastodon.Mastodon import MastodonMalformedEventError, MastodonNetworkError, MastodonReadTimeout, MastodonAPIError
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 finances parameters...")
print("\n")
alarm_db = input("alarm db name: ")
alarm_db_user = input("alarm db user: ")
with open(file_path, "w") as text_file:
print("alarm_db: {}".format(alarm_db), file=text_file)
print("alarm_db_user: {}".format(alarm_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()
def create_index(db, db_user, table, index, sql_index):
conn = None
try:
conn = psycopg2.connect(database = db, user = db_user, password = "", host = "/var/run/postgresql", port = "5432")
cur = conn.cursor()
print(f"Creating index...{index}")
# Create the table in PostgreSQL database
cur.execute(sql_index)
conn.commit()
print(f"Index {index} created!\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"
alarm_db = get_parameter("alarm_db", config_filepath)
alarm_db_user = get_parameter("alarm_db_user", config_filepath)
############################################################
# create database
############################################################
conn = None
try:
conn = psycopg2.connect(dbname='postgres',
user=alarm_db_user, host='',
password='')
conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
cur = conn.cursor()
print("Creating database " + alarm_db + ". Please wait...")
cur.execute(sql.SQL("CREATE DATABASE {}").format(
sql.Identifier(alarm_db))
)
print("Database " + alarm_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 = alarm_db, user =alarm_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("alarm parameters saved to db-config.txt!")
print("\n")
############################################################
# Create needed tables
############################################################
db = alarm_db
db_user = alarm_db_user
table = 'alarms'
sql = "create table " + table + " (username varchar(30), visibility varchar(8), time time, city varchar(30))"
create_table(db, db_user, table, sql)
index = "alarm_pkey"
sql_index = f'CREATE UNIQUE INDEX {index} ON {table} (username, city)'
create_index(db, db_user, table, index, sql_index)
############################################################
print("Done!")
print("Now you can run setup.py!")
print("\n")