-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathpgdb.py
More file actions
50 lines (37 loc) · 1.56 KB
/
Copy pathpgdb.py
File metadata and controls
50 lines (37 loc) · 1.56 KB
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
44
45
46
47
48
49
50
from os.path import join, dirname
from dotenv import load_dotenv, find_dotenv
import psycopg2
import os
load_dotenv(find_dotenv())
class PGSql:
def __init__(self, tableName):
self.db_name = os.getenv('DB_NAME')
self.db_user = os.getenv('DB_USER')
self.db_host = os.getenv('DB_HOST')
self.db_password = os.getenv('DB_PASSWORD')
self.db_port = os.getenv('DB_PORT')
self.conn = psycopg2.connect(f"dbname={self.db_name} user={self.db_user} host={self.db_host} password={self.db_password} port={self.db_port}")
self.db = self.conn.cursor()
self.table = tableName
def add(self, data):
columns = ", ".join(data.keys())
values = ", ".join(val.formatSQL() for val in data.values())
query = "INSERT INTO {0} ({1}) VALUES({2})".format(self.table, columns, values)
self.db.execute(query)
self.conn.commit()
def update(self, data):
values = ", ".join([f"{col} = {obj.formatSQL()}" for col, obj in data.items() if col != 'id'])
query = "UPDATE {0} SET {1} WHERE id = {2}".format(self.table, values, data['id'].formatSQL())
self.db.execute(query)
self.conn.commit()
def select(self, data):
values = " AND ".join([f"{col} = {val.formatSQL()}" for col, val in data.items()])
query = "SELECT * FROM {0} WHERE {1}".format(self.table, values)
self.db.execute(query)
columns = [desc[0] for desc in self.db.description]
result = self.db.fetchall()
return {'columns': columns, 'values': result}
def delete(self, instance):
query = "DELETE FROM {0} WHERE id = {1}".format(self.table, instance.id.formatSQL())
self.db.execute(query)
self.conn.commit()