paul@565 | 1 | #!/usr/bin/env python |
paul@565 | 2 | |
paul@1051 | 3 | from email import message_from_string |
paul@1153 | 4 | from email.generator import Generator |
paul@564 | 5 | import sys |
paul@564 | 6 | |
paul@1153 | 7 | try: |
paul@1153 | 8 | from cStringIO import StringIO |
paul@1153 | 9 | except ImportError: |
paul@1153 | 10 | from StringIO import StringIO |
paul@1153 | 11 | |
paul@1153 | 12 | def until_from(f, skip=0): |
paul@1153 | 13 | number = 0 |
paul@1153 | 14 | while number <= skip: |
paul@1153 | 15 | l = [] |
paul@1051 | 16 | s = f.readline() |
paul@1153 | 17 | while s: |
paul@1153 | 18 | l.append(s) |
paul@1153 | 19 | s = f.readline() |
paul@1153 | 20 | if s.startswith("From "): |
paul@1153 | 21 | number += 1 |
paul@1153 | 22 | break |
paul@1153 | 23 | else: |
paul@1153 | 24 | number += 1 |
paul@1051 | 25 | break |
paul@1153 | 26 | if number > skip: |
paul@1153 | 27 | return "".join(l) |
paul@1153 | 28 | else: |
paul@1153 | 29 | return "" |
paul@1153 | 30 | |
paul@1153 | 31 | def as_string(message): |
paul@1153 | 32 | |
paul@1153 | 33 | """ |
paul@1153 | 34 | Return the string representation of 'message', attempting to preserve the |
paul@1153 | 35 | precise original formatting. |
paul@1153 | 36 | """ |
paul@1153 | 37 | |
paul@1153 | 38 | out = StringIO() |
paul@1153 | 39 | generator = Generator(out, False, 0) # disable reformatting measures |
paul@1153 | 40 | generator.flatten(message) |
paul@1153 | 41 | return out.getvalue() |
paul@1051 | 42 | |
paul@564 | 43 | def decode(part): |
paul@1153 | 44 | |
paul@1153 | 45 | """ |
paul@1153 | 46 | Change the transfer encoding on 'part' and its subparts so that a plain text |
paul@1153 | 47 | representation may be displayed. |
paul@1153 | 48 | """ |
paul@1153 | 49 | |
paul@1153 | 50 | payload = part.get_payload(decode=True) |
paul@1153 | 51 | if payload: |
paul@1153 | 52 | encoding = part.get("Content-Transfer-Encoding") |
paul@1153 | 53 | if encoding: |
paul@1153 | 54 | del part["Content-Transfer-Encoding"] |
paul@1153 | 55 | part["Content-Transfer-Encoding"] = "8bit" |
paul@1153 | 56 | part.set_payload(payload) |
paul@564 | 57 | else: |
paul@1153 | 58 | for p in part.get_payload(): |
paul@1153 | 59 | decode(p) |
paul@1153 | 60 | |
paul@1153 | 61 | # Main program. |
paul@564 | 62 | |
paul@1153 | 63 | if __name__ == "__main__": |
paul@1153 | 64 | skip = int((sys.argv[1:] or [0])[0]) |
paul@1153 | 65 | message = message_from_string(until_from(sys.stdin, skip)) |
paul@1153 | 66 | decode(message) |
paul@1153 | 67 | print as_string(message) |
paul@572 | 68 | |
paul@572 | 69 | # vim: tabstop=4 expandtab shiftwidth=4 |