/
postgres_example.py
45 lines (32 loc) · 1.56 KB
/
postgres_example.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
from darwinpush import Client, Listener
from darwinpush.stores.postgres import PostgresConnection, ScheduleMessagePostgresStore, TrainStatusMessagePostgresStore
import os
import time
class PostgresListener(Listener):
def __init__(self, queue):
super().__init__(queue)
self.connection = PostgresConnection(host=os.environ["POSTGRES_HOST"],
dbname=os.environ["POSTGRES_DB"],
user=os.environ["POSTGRES_USER"],
password=os.environ["POSTGRES_PASS"])
self.connection.connect()
self.schedule_store = ScheduleMessagePostgresStore(self.connection)
self.train_status_store = TrainStatusMessagePostgresStore(self.connection)
def on_schedule_message(self, message):
self.schedule_store.save_schedule_message(message)
def on_train_status_message(self, message):
self.train_status_store.save_train_status_message(message)
connection = PostgresConnection(host=os.environ["POSTGRES_HOST"],
dbname=os.environ["POSTGRES_DB"],
user=os.environ["POSTGRES_USER"],
password=os.environ["POSTGRES_PASS"])
connection.connect()
sm = ScheduleMessagePostgresStore(connection)
sm.create_tables()
client = Client(os.environ["STOMP_USER"],
os.environ["STOMP_PASS"],
os.environ["STOMP_QUEUE"],
PostgresListener)
client.connect()
while True:
time.sleep(1)