Re: saving an e-mail attachement

[Aspersieman]

[EMAIL PROTECTED] wrote:
> I'm trying to figure out how to save an e-mail attachment from a POP3
> mailbox.  I've scoured the web, but -none- of the examples I have
> found have actually worked.  For instance, in this example:
> http://groups.google.com/group/comp.lang.python/browse_thread/thread/8423cad79ff21730/0d8922943a164ccf?lnk=gst&q=email+attachment#0d8922943a164ccf,
> fn is always None, but the e-mail -does- have an attachment (an xml
> file).
>
> --
> http://mail.python.org/mailman/listinfo/python-list
>
>   
Try attached (caution *not* tested, I just cut and pasted it from a
larger script I use (it should work :) ).

I have used a similar method quite successfully.

HTH

Regards

Nicolaas

-- 

The three things to remember about Llamas:
1) They are harmless
2) They are deadly
3) They are made of lava, and thus nice to cuddle. 



import mimetypes, email

def GetMailRaw (self, msg = {}):
    """ Returns full email message in textformat."""
    mailrawtext = ''
    for line in msg:
        mailrawtext += line
        mailrawtext += '\n'

    return str( mailrawtext )

def GetAttachments (self,  mail ):
    """ This function is recursive, if the message contains
    multipart message the function is recursively called to
    get all the attachments"""

    if ( not mail.is_multipart()):
        print "NOTE: THIS DOCUMENT IS NOT MULTIPART - NO ATTACHMENTS TO PARSE."
        return "NOT_MULTIPART"

    partsThatAreAttachments = [] #empty list
    index = 0

    list = mail.get_payload()

    # End of recursion, the payload is a string
    if type(list) == type(""):
        return

    for part in list:
        maintype =  part.get_content_maintype()

	# If attachment - add to attachment list
	if ( maintype != "text" and maintype != "multipart" and maintype != "message"):
	    # Also the message type is a kind of multipart
	    partsThatAreAttachments.append(index)

	if (maintype == "multipart" or maintype == "message"):
	    # If there are more attachments - get them
	    self.GetAttachments (part)
	    
	index = index + 1

    allAttachments = {}
    listParts = mail.get_payload() # parts of mail message
    offset = 0

    for indexOfAttachment in partsThatAreAttachments:
        indexOfAttachment = indexOfAttachment - offset
        #save the part to delete - in present working dir
        filename = listParts[indexOfAttachment].get_filename()
        if not filename:
            ext = mimetypes.guess_extension(part.get_content_type())
            if not ext:
            #generic extension
            ext = ".bin"
            filename = "part-%03d%s" % ( indexOfAttachment , ext)

	# DEBUG
	# Save attachments to present working dir
	# fp = open (filename, "wb")
	# fp.write(listparts[indexofattachment].get_payload(decode=1))
	# fp.close()

	# Add attachment to attachment dictionary
	allAttachments.setdefault(filename, []).append(listParts[indexOfAttachment].get_payload ()) 

	del listParts[indexOfAttachment]
	offset = offset + 1

    return allAttachments

mailraw = GetMailRaw(popresponse)
mail = email.message_from_string(mailraw)
attachments = GetAttachments(mail)

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