Extract attachments from emails that Gmail doesn't allow you to download. This is dumb. Please use Python >= 3.4.

extract-attachments.py

#!/usr/bin/env python3
# Get your files that Gmail block. Warning message:
# "Anti-virus warning - 1 attachment contains a virus or blocked file. Downloading this attachment is disabled."
# Based on: http://spapas.github.io/2014/10/23/retrieve-gmail-blocked-attachments/
# Go to your emails, click the arrow button in the top right, "Show original", then "Download Original". Move the file to the same directory as this script.

import email
import sys
import os

if __name__ == '__main__':
    if sys.version_info[0] < 3:
        print("Please use Python 3.")
        sys.exit()

    if len(sys.argv) < 2:
        print("Press enter to process all files with .txt extension.")
        input()
        files = [f for f in os.listdir('.') if os.path.isfile(f) and f.endswith('.txt')]
    else:
        files = sys.argv[1:]

    print("Files: %s" % ', '.join(files))
    print()

    for f in files:
        msg = email.message_from_file(open(f))
        print("Processing %s" % f)
        print("Subject: %s" % msg['Subject'])
        for pl in msg.get_payload():
            fn_header = pl.get_filename()
            if fn_header:
                fn_data = email.header.decode_header(fn_header)
                (fn_str, fn_charset) = fn_data[0]
                if isinstance(fn_str, str):
                    fn = fn_str
                else:
                    fn = fn_str.decode(fn_charset)
                print("Found %s" % fn)
                if os.path.isfile(fn):
                    print("The file %s already exists! Press enter to overwrite." % fn)
                    input()
                open(fn, 'wb').write(pl.get_payload(decode=True))
        print()

gmail-virus-warning.png