| #! /usr/bin/env python
|
|
|
| # Convert MH directories (1 message per file) or MMDF mailboxes (4x^A
|
| # delimited) to unix mailbox (From ... delimited) on stdout.
|
| # If -f is given, files contain one message per file (e.g. MH messages)
|
|
|
| import rfc822
|
| import sys
|
| import time
|
| import os
|
| import stat
|
| import getopt
|
| import re
|
|
|
| def main():
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| dofile = mmdf
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| try:
|
| opts, args = getopt.getopt(sys.argv[1:], 'f')
|
| except getopt.error, msg:
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| sys.stderr.write('%s\n' % msg)
|
| sys.exit(2)
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| for o, a in opts:
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| if o == '-f':
|
| dofile = message
|
| if not args:
|
| args = ['-']
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| sts = 0
|
| for arg in args:
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| if arg == '-' or arg == '':
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| sts = dofile(sys.stdin) or sts
|
| elif os.path.isdir(arg):
|
| sts = mh(arg) or sts
|
| elif os.path.isfile(arg):
|
| try:
|
| f = open(arg)
|
| except IOError, msg:
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| sys.stderr.write('%s: %s\n' % (arg, msg))
|
| sts = 1
|
| continue
|
| sts = dofile(f) or sts
|
| f.close()
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| else:
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| sys.stderr.write('%s: not found\n' % arg)
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| sts = 1
|
| if sts:
|
| sys.exit(sts)
|
|
|
| numeric = re.compile('[1-9][0-9]*')
|
|
|
| def mh(dir):
|
| sts = 0
|
| msgs = os.listdir(dir)
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| for msg in msgs:
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| if numeric.match(msg) != len(msg):
|
| continue
|
| fn = os.path.join(dir, msg)
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| try:
|
| f = open(fn)
|
| except IOError, msg:
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| sys.stderr.write('%s: %s\n' % (fn, msg))
|
| sts = 1
|
| continue
|
| sts = message(f) or sts
|
| return sts
|
|
|
| def mmdf(f):
|
| sts = 0
|
| while 1:
|
| line = f.readline()
|
| if not line:
|
| break
|
| if line == '\1\1\1\1\n':
|
| sts = message(f, line) or sts
|
| else:
|
| sys.stderr.write(
|
| 'Bad line in MMFD mailbox: %r\n' % (line,))
|
| return sts
|
|
|
| counter = 0 # for generating unique Message-ID headers
|
|
|
| def message(f, delimiter = ''):
|
| sts = 0
|
| # Parse RFC822 header
|
| m = rfc822.Message(f)
|
| # Write unix header line
|
| fullname, email = m.getaddr('From')
|
| tt = m.getdate('Date')
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| if tt:
|
| t = time.mktime(tt)
|
| else:
|
| sys.stderr.write(
|
| 'Unparseable date: %r\n' % (m.getheader('Date'),))
|
| t = os.fstat(f.fileno())[stat.ST_MTIME]
|
| print 'From', email, time.ctime(t)
|
| # Copy RFC822 header
|
| for line in m.headers:
|
| print line,
|
| # Invent Message-ID header if none is present
|
| if not m.has_key('message-id'):
|
| global counter
|
| counter = counter + 1
|
| msgid = "<%s.%d>" % (hex(t), counter)
|
| sys.stderr.write("Adding Message-ID %s (From %s)\n" %
|
| (msgid, email))
|
| print "Message-ID:", msgid
|
| print
|
| # Copy body
|
| while 1:
|
| line = f.readline()
|
| if line == delimiter:
|
| break
|
| if not line:
|
| sys.stderr.write('Unexpected EOF in message\n')
|
| sts = 1
|
| break
|
| if line[:5] == 'From ':
|
| line = '>' + line
|
| print line,
|
| # Print trailing newline
|
| print
|
| return sts
|
|
|
| if __name__ == "__main__":
|
| main()
|