| Guido van Rossum | 524f146 | 1994-09-05 11:51:33 +0000 | [diff] [blame] | 1 | #! /usr/local/bin/python |
| 2 | |
| 3 | # Convert MH directories (1 message per file) or MMDF mailboxes (4x^A |
| 4 | # delimited) to unix mailbox (From ... delimited) on stdout. |
| 5 | # If -f is given, files contain one message per file (e.g. MH messages) |
| 6 | |
| 7 | import rfc822 |
| 8 | import sys |
| 9 | import time |
| 10 | import os |
| 11 | import stat |
| 12 | import getopt |
| 13 | import regex |
| 14 | |
| 15 | def main(): |
| 16 | dofile = mmdf |
| 17 | try: |
| 18 | opts, args = getopt.getopt(sys.argv[1:], 'f') |
| 19 | except getopt.error, msg: |
| 20 | sys.stderr.write('%s\n' % msg) |
| 21 | sys.exit(2) |
| 22 | for o, a in opts: |
| 23 | if o == '-f': |
| 24 | dofile = message |
| 25 | if not args: |
| 26 | args = ['-'] |
| 27 | sts = 0 |
| 28 | for arg in args: |
| 29 | if arg == '-' or arg == '': |
| 30 | sts = dofile(sys.stdin) or sts |
| 31 | elif os.path.isdir(arg): |
| 32 | sts = mh(arg) or sts |
| 33 | elif os.path.isfile(arg): |
| 34 | try: |
| 35 | f = open(arg) |
| 36 | except IOError, msg: |
| 37 | sys.stderr.write('%s: %s\n' % (arg, msg)) |
| 38 | sts = 1 |
| 39 | continue |
| 40 | sts = dofile(f) or sts |
| 41 | f.close() |
| 42 | else: |
| Guido van Rossum | 06ed202 | 1995-01-04 19:18:59 +0000 | [diff] [blame] | 43 | sys.stderr.write('%s: not found\n' % arg) |
| Guido van Rossum | 524f146 | 1994-09-05 11:51:33 +0000 | [diff] [blame] | 44 | sts = 1 |
| 45 | if sts: |
| 46 | sys.exit(sts) |
| 47 | |
| 48 | numeric = regex.compile('[1-9][0-9]*') |
| 49 | |
| 50 | def mh(dir): |
| 51 | sts = 0 |
| 52 | msgs = os.listdir(dir) |
| 53 | for msg in msgs: |
| 54 | if numeric.match(msg) != len(msg): |
| 55 | continue |
| 56 | fn = os.path.join(dir, msg) |
| 57 | try: |
| 58 | f = open(fn) |
| 59 | except IOError, msg: |
| 60 | sys.stderr.write('%s: %s\n' % (fn, msg)) |
| 61 | sts = 1 |
| 62 | continue |
| 63 | sts = message(f) or sts |
| 64 | return sts |
| 65 | |
| 66 | def mmdf(f): |
| 67 | sts = 0 |
| 68 | while 1: |
| 69 | line = f.readline() |
| 70 | if not line: |
| 71 | break |
| 72 | if line == '\1\1\1\1\n': |
| 73 | sts = message(f, line) or sts |
| 74 | else: |
| 75 | sys.stderr.write( |
| 76 | 'Bad line in MMFD mailbox: %s\n' % `line`) |
| 77 | return sts |
| 78 | |
| 79 | def message(f, delimiter = ''): |
| 80 | sts = 0 |
| 81 | # Parse RFC822 header |
| 82 | m = rfc822.Message(f) |
| 83 | # Write unix header line |
| 84 | fullname, email = m.getaddr('From') |
| 85 | tt = m.getdate('Date') |
| 86 | if tt: |
| 87 | t = time.mktime(tt) |
| 88 | else: |
| 89 | sys.stderr.write( |
| 90 | 'Unparseable date: %s\n' % `m.getheader('Date')`) |
| 91 | t = os.fstat(f.fileno())[stat.ST_MTIME] |
| 92 | print 'From', email, time.ctime(t) |
| 93 | # Copy RFC822 header |
| 94 | for line in m.headers: |
| 95 | print line, |
| 96 | print |
| 97 | # Copy body |
| 98 | while 1: |
| 99 | line = f.readline() |
| 100 | if line == delimiter: |
| 101 | break |
| 102 | if not line: |
| 103 | sys.stderr.write('Unexpected EOF in message\n') |
| 104 | sts = 1 |
| 105 | break |
| 106 | if line[:5] == 'From ': |
| 107 | line = '>' + line |
| 108 | print line, |
| 109 | # Print trailing newline |
| 110 | print |
| 111 | return sts |
| 112 | |
| 113 | main() |