60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
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import os
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from datetime import datetime
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from flask import Flask
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import mysql.connector
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class DBManager:
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def __init__(self, database='flask', host="db", user="flasku", password="flaskp"):
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envuser = os.getenv("MYSQL_USER")
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envpass = os.getenv("MYSQL_PASSWORD")
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#printf("DEBUG:" + envuser + envpass)
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self.connection = mysql.connector.connect(
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user=envuser,
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#user=user,
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password=envpass,
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#password=password,
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host=host, # name of the mysql service as set in the docker compose file
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database=database
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#auth_plugin='mysql_native_password'
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)
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self.cursor = self.connection.cursor()
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def populate_db(self):
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self.cursor.execute('DROP TABLE IF EXISTS blog')
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self.cursor.execute('CREATE TABLE blog (id INT AUTO_INCREMENT PRIMARY KEY, title VARCHAR(255))')
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self.cursor.executemany('INSERT INTO blog (id, title) VALUES (%s, %s);', [(i, 'Database entry #%d'% i) for i in range (1,5)])
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self.connection.commit()
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def query_titles(self):
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self.cursor.execute('SELECT title FROM blog')
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rec = []
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for c in self.cursor:
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rec.append(c[0])
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return rec
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server = Flask(__name__)
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conn = None
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@server.route('/')
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def listBlog():
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global conn
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if not conn:
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conn = DBManager()
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conn.populate_db()
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rec = conn.query_titles()
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response = ''
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for c in rec:
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response = response + '<div> Log: ' + c + '</div>'
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dt = datetime.now()
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dtFormatted = dt.strftime("%Y-%m-%d %H:%M")
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response = response + '<div>Delta: ' + dtFormatted + '</div>'
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return response
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if __name__ == '__main__':
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server.run()
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