email-assistant/crawler/crawler/main.py

54 lines
1.6 KiB
Python

from getpass import getpass
from datetime import date
import email
import os
from imapclient import IMAPClient
VALID_CONTENT_TYPES = [ 'text/plain', 'text/html' ]
class MailCrawler(object):
def __init__(self):
self.imap_url = os.environ['IMAP_URL']
self.imap_user = os.environ['IMAP_USER']
self.imap_pass = os.environ['IMAP_PASS']
def get_server(self):
server = IMAPClient(self.imap_url, use_uid=True)
server.login(self.imap_user, self.imap_pass)
return server
def is_valid_content_type(self, message):
return message.get_content_type() in VALID_CONTENT_TYPES
def get_email_text(self, message):
if not message.is_multipart():
if self.is_valid_content_type(message):
return message.get_payload(decode=True)
else:
content_type_to_payload = {
payload.get_content_type(): self.get_email_text(payload)
for payload in message.get_payload()
}
for content_type in VALID_CONTENT_TYPES:
text = content_type_to_payload.get(content_type)
if text:
return text
return None
def run(self):
server = self.get_server()
server.select_folder('INBOX')
message_ids = server.search(['SINCE', date(2018, 1, 31)])
for msgid, data in server.fetch(message_ids, 'RFC822').items():
email_message = email.message_from_bytes(data[b'RFC822'])
print(self.get_email_text(email_message))
if __name__ == '__main__':
MailCrawler().run()