Logger file with mailer for python 2.7

logger2.py

#!/usr/bin/python2.7
import requests
import datetime
import smtplib
import logging
import re
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart

sender = "uptimebot@test.com"
rcvr = "prakhars@test.com"

# setting up logging config
logging.basicConfig(format='%(asctime)s: %(message)s',
                    datefmt='%m/%d/%Y %I:%M:%S %p',
                    filename="uptime-log.txt", level=logging.DEBUG)

class XciteProperty():
    def __init__(self, url, title, valid_string, is_api):
        self.url = url
        self.title = title
        self.valid_string = valid_string
        self.is_api = is_api

    def __str__(self):
        return "<%s: %s>" % (self.title, self.url)

    def begin_test(self):
        try:
            r = requests.get(self.url)
            if self.is_valid(r.status_code, r.headers["content-type"], r.text):
                self.success()
            else:
                self.failure(r.text)
        except requests.ConnectionError:
            self.failure("Connection Error in fetching %s" % self.url)

    def is_valid(self, status_code, content_type, page_content):
        if self.is_api: # if api then check for header - content-type
            s = "javascript" in content_type
        else:
            s = re.search(self.valid_string, page_content)
        return s and status_code == 200

    def log(self, msg, level):
        logging.debug("|%s| %s" % (self.title, msg))

    def success(self):
        self.log("Site is up", "SUCCESS")

    def failure(self, response_text):
        self.log("Site is down!!!", " ALERT ")
        self.user_notify(response_text)

    def user_notify(self, response_text):
        msg = MIMEMultipart()
        custom_message = "Hi! It seems that %s is down. Below is the response that I recieved is attached! \n\n\n" % self.title
        resp_attachment = MIMEText(custom_message + response_text.encode('utf-8'))
        msg.attach(resp_attachment)
        msg['Subject'] = "[URGENT] %s is down" % self.title
        msg['From'] = sender
        msg['To'] = rcvr
        try:
            smtpObj = smtplib.SMTP('localhost')
            smtpObj.sendmail(sender, rcvr, msg.as_string())
        except smtplib.SMTPException:
        # except:
            self.log("Failed to send email for downtime", " ALERT ")

if __name__ == "__main__":
    properties = [
        {
            "url": "http://www.test.com",
            "title": "Xcite",
            "valid_string": "SITECHECK"
        }
    ]

    objs = [XciteProperty(item["url"], item["title"], item["valid_string"],
                          item.get("is_api", False)) for item in properties]
    # bootstrap 
    for o in objs: 
        o.begin_test()