GmailLib.py

# -*- coding: utf-8 -*-
"""
Created on Fri Jun 26 11:36:34 2015

@author: Eolica
"""

import os
import imaplib
import getpass
import email

detach_dir = "C:\\FORECAST_RAW_DATA"

m = imaplib.IMAP4_SSL('imap.gmail.com',993)

user = raw_input('Username: ')
pwd = raw_input('Password: ')

try:
    m.login(user,pwd) #getpass freezed in spyder idle
except imaplib.IMAP4.error:
    print "LOGIN FAILED!!! "
    # ... exit or deal with failure...
    
m.select("INBOX") # here you a can choose a mail box like INBOX instead
# use m.list() to get all the mailboxes

resp, items = m.search(None, "ALL") # you could filter using the IMAP rules here (check http://www.example-code.com/csharp/imap-search-critera.asp)
items = items[0].split() # getting the mails id

for emailid in items:

    resp, data = m.fetch(emailid, "(RFC822)") # fetching the mail, "`(RFC822)`" means "get the whole stuff", but you can ask for headers only, etc
    email_body = data[0][1] # getting the mail content
    mail = email.message_from_string(email_body) # parsing the mail content to get a mail object

    #Check if any attachments at all
    if mail.get_content_maintype() != 'multipart':
        continue

    if "Meteologica S.A. " in mail["From"]:    
        print mail["Subject"]
    
        # we use walk to create a generator so we can iterate on the parts and forget about the recursive headache
        for part in mail.walk():
            # multipart are just containers, so we skip them
            if part.get_content_maintype() == 'multipart':
                continue
    
            # is this part an attachment ?
            if part.get('Content-Disposition') is None:
                continue
    
            filename = part.get_filename()
            counter = 1
    
            # if there is no filename, we create one with a counter to avoid duplicates
            if not filename:
                filename = 'part-%03d%s' % (counter, 'bin')
                counter += 1
                
            att_path = os.path.join(detach_dir, filename)
    
            #Check if its already there
            if not os.path.isfile(att_path) :
                # finally write the stuff
                fp = open(att_path, 'wb')
                fp.write(part.get_payload(decode=True))
                fp.close()
                print filename