#turn on "Less Secure Apps"

https://www.google.com/settings/security/lesssecureapps

#do a quick check

curl -u username:password --silent "https://mail.google.com/mail/feed/atom" |sed 's/</\n</g'

#enable POP or IMAP

https://mail.google.com/mail/u/0/#settings/fwdandpop


##user this python code##

#!/usr/bin/env python

import email, getpass, imaplib, os

detach_dir = '.' # directory where to save attachments (default: current)

#user = raw_input("Enter your GMail username:")

#pwd = getpass.getpass("Enter your password: ")

user = "username"
pwd = 'password'

# connecting to the gmail imap server

m = imaplib.IMAP4_SSL("imap.gmail.com")
m.login(user,pwd)
m.select("[Gmail]/All Mail") # 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

    print "["+mail["From"]+"] :" + mail["Subject"]

    #check if mail is from certain user

    #if mail["From"] == "Person <person@gmail.com>":

    #  print email_body



    # we use walk to create a generator so we can iterate on the parts and forget about the recursive headach

    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()