Extracts attachments from EML file.

extract_eml_attachments.py

import os
import email

if __name__ == '__main__':
    eml = '~/Downloads/wm_2013062618492006332.jpg.eml'
    try:
        os.mkdir(os.path.expanduser('%s_' % eml))
    except OSError:
        pass
    f = open(os.path.expanduser(eml))
    msg = email.message_from_file(f)
    f.close()
    for par in msg.walk():
        if not par.is_multipart():
            name = par.get_param('name')
            if name:
                fname = email.Header.decode_header(email.Header.Header(name))[0][0]
                print 'Extracting %s...' % fname
                data = par.get_payload(decode=True)
                f = open(os.path.expanduser('%s_/%s' % (eml, fname)), 'wb')
                f.write(data)
                f.close()