Sending e-mails with attachments.

[Steve Holden]

"Mikhail Astafiev" <mikle at tomsk.net> wrote in message
news:mailman.988393790.7853.python-list at python.org...
> [Env: Win2k, Python 1.52]
>
> Hi!
>
> I'm not familiar with Python. The code below works OK excluding that
> message body is empty. I've tried a lot  of variants but I'm always
> getting either message without body, or message with body but attached
> zip file is corrupted! :((
> May be someone can tell me how to make the code below working, i.e.
> generate message with body and proper zip file attached?..
>
> Thanks in advance.
>
> def generate_mime_message( from_address, to_address, subject,
>                          file_to_send, file_name, write_to ):
>    """Generate multipart MIME message with attached file in base64
encoding
>    Params: string from_address, to_address, subject
>            string file_to_send - path to existent ZIP file
>            string file_name - send zip with specified name
>            string write_to - store completed message to this file
>    Return: -"""
>
>    try:
>     fp=open( write_to, "wc")
>    except(Exception),err:
>     print "can't open file for writing '%s':%s. Abnormal function
termination"%(write_to,err))
>     return
>
>    toplevel=MimeWriter.MimeWriter(fp)
>
>    toplevel.addheader("Date", time.ctime(time.time()))
>    toplevel.addheader("From", from_address )
>    toplevel.addheader("To",  to_address )
>    toplevel.addheader("Subject" , subject )
>    toplevel.addheader("MIME-Version", "1.0")
>    toplevel.addheader("X-Mailer" , XMAILER )
>    toplevel.flushheaders()
>
>    f=toplevel.startmultipartbody("mixed",
>                                 mimetools.choose_boundary(),
>                                 prefix=0)
>
>    f.write("MESSAGE_BODY")
>
>    # first toplevel body part
>    mfp = toplevel.nextpart()
>
>    mfp.addheader("Content-Transfer-Encoding", "base64")
>    mfp.addheader("Content-Disposition",
>                "attachment;  filename=\"%s\""%file_name)
>
>    m = MimeWriter.MimeWriter (mfp.startbody("application/zip"))
>
>    try:
>     fpin=open( file_to_send , "rb")
>     base64.encode(fpin, f )
>     fpin.close()
>    except(Exception),err:
>     print "can't open file '%s' to send:%s. Empty section
created!"%(file_to_send,err))
>
>    toplevel.lastpart()
>    fp.close()
>
Here's a tested example which may show you wehre you're going wrong.

regards
 Steve


import MimeWriter, base64
#
# Writes a multipart mail message: text plus associated graphic
#
mfile = "multimsg.eml"
f = open(mfile, "w")
# Create a MimeWriter
mail = MimeWriter.MimeWriter(f)
mail.addheader("From", "Steve Holden <sholden at holdenweb.com")
mail.addheader("To", """Gentle Reader <bookuser at holdenweb.com>,
     Steve Holden <sholden at holdenweb.com>""")
mail.addheader("Subject", "The Python You Wanted")
mail.addheader("Received", """from thinker [64.134.121.94] by
mail.holdenweb.com
    (SMTPD32-6.04) id A244C78500BA; Fri, 09 Mar 2001 07:33:38 -0500""")
# Mail will be multi-part: First part explains format
part1 = mail.startmultipartbody ("mixed")
part1.write("This is a MIME-encoded message, with attachments. "
"If you are seeing this message your mail program probably cannot "
"show you the attachments. Please try another program, or read 'Web "
"Programming in Python' to see the attached picture."
"""
Sorry ...
Steve Holden
""")
# Second part is intended to be read
part2 = mail.nextpart()
f = part2.startbody("text/plain")
f.write("Here we have a multipart message. This "
"means that the message body must be processed "
"as MIME-encoded content where possible [which "
"it clearly is in Outlook Express]."
"""

regards
 Your Humble Author
""")
# Third part is a graphic, which we encode in base64
part3 = mail.nextpart()
part3.addheader("Content-Transfer-Encoding", "base64")
f = part3.startbody("image/gif", [["Name", "python.gif"]])
b64 = base64.encodestring(open("pythonwin.gif", "rb").read())
f.write(b64)
# Never forget to call lastpart!
mail.lastpart()