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| | #!/usr/bin/env python
# -*- coding: utf-8 -*-
# Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
# License: GPLv3+
# This script reads a MIME message from stdin and produces a treelike
# representation on it stdout.
# Example:
#
# 0 dkg@alice:~$ printmimestructure < 'Maildir/cur/1269025522.M338697P12023.monkey,S=6459,W=6963:2,Sa'
# └┬╴multipart/signed 6546 bytes
# ├─╴text/plain inline 895 bytes
# └─╴application/pgp-signature inline [signature.asc] 836 bytes
# 0 dkg@alice:~$
# If you want to number the parts, i suggest piping the output through
# something like "cat -n"
from __future__ import print_function
import email
import sys
def print_part(z, prefix):
fname = '' if z.get_filename() is None else ' [' + z.get_filename() + ']'
cset = '' if z.get_charset() is None else ' (' + z.get_charset() + ')'
disp = z.get_params(None, header='Content-Disposition')
if (disp is None):
disposition = ''
else:
disposition = ''
for d in disp:
if d[0] in [ 'attachment', 'inline' ]:
disposition = ' ' + d[0]
if z.is_multipart():
nbytes = len(z.as_string())
else:
nbytes = len(z.get_payload())
print('{}{}{}{}{} {:d} bytes'.format(
prefix,
z.get_content_type(),
cset,
disposition,
fname,
nbytes,
))
def test(z, prefix=''):
if (z.is_multipart()):
print_part(z, prefix+'┬╴')
if prefix.endswith('└'):
prefix = prefix.rpartition('└')[0] + ' '
if prefix.endswith('├'):
prefix = prefix.rpartition('├')[0] + '│'
parts = z.get_payload()
i = 0
while (i < parts.__len__()-1):
test(parts[i], prefix + '├')
i += 1
test(parts[i], prefix + '└')
# FIXME: show epilogue?
else:
print_part(z, prefix+'─╴')
test(email.message_from_file(sys.stdin), '└')
|