#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (c) 2013, Opera Software ASA. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of Opera Software ASA nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
# OF THE POSSIBILITY OF SUCH DAMAGE.
import email
import email.encoders
import email.generator
import email.mime.image
import email.mime.multipart
import email.mime.nonmultipart
import email.mime.text
import mimetypes
import os.path
import quopri
import sys
class ArgumentError(Exception):
pass
def _encode_quopri(msg):
"""Own version of quopri isntead of email.encoders.quopri which seems to
be buggy in python3"""
orig = msg.get_payload()
encdata = quopri.encodestring(orig, quotetabs=True)
encdata.replace(b' ', b'=20')
msg.set_payload(encdata.decode('ascii', 'surrogateescape'))
msg['Content-Transfer-Encoding'] = 'quoted-printable'
def _encode_binary(msg):
email.encoders.encode_noop(msg)
msg['Content-Transfer-Encoding'] = 'binary'
TRANSFER_ENCODINGS = {
"8bit": email.encoders.encode_7or8bit,
"7bit": email.encoders.encode_7or8bit,
"base64": email.encoders.encode_base64,
"binary": _encode_binary,
"none": email.encoders.encode_noop,
"quoted-printable": _encode_quopri}
BASE = "http://test/"
def generate_message(parts):
"""Generate a mime message from the given parts"""
main = email.mime.multipart.MIMEMultipart("related")
main.add_header("Content-Location", BASE + parts[0]["name"])
for part in parts:
with open(part["name"], 'rb') as payload:
sub = email.mime.text.MIMENonMultipart(*part["mime"].split("/"))
sub.add_header("Content-Location", BASE + part["name"])
sub.set_payload(payload.read())
TRANSFER_ENCODINGS[part["transfer_encoding"]](sub)
main.attach(sub)
return main
def parse_arguments(args):
"""Parse arguments to extract file, transfer encoding, mime pairs"""
parts = []
current = {}
for arg in args:
if os.path.isfile(arg):
if current:
parts.append(current)
current = {}
current["name"] = arg
current["transfer_encoding"] = "binary"
current["mime"] = mimetypes.guess_type(arg)[0]
elif arg.lower() in TRANSFER_ENCODINGS:
current["transfer_encoding"] = arg.lower()
elif "/" in arg:
current["mime"] = arg.lower()
else:
raise ArgumentError("Unknown argument '" + arg + "'")
if current:
parts.append(current)
return parts
def main():
PARTS = parse_arguments(sys.argv[1:])
MESSAGE = generate_message(PARTS)
GENERATOR = email.generator.Generator(sys.stdout, mangle_from_=True,
maxheaderlen=1000)
GENERATOR.flatten(MESSAGE, linesep="\r\n")
if __name__ == "__main__":
main()
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