import sys, os
import email
-try:
- from cStringIO import StringIO
-except ImportError:
- from StringIO import StringIO
-
me = os.path.basename(sys.argv[0])
sys.exit(code)
-def output(s):
- gopts.outfile.write(s)
-
def output_headers(msg):
unix_from = msg.get_unixfrom()
if unix_from:
def totext(msg, instring):
"Convert instring content to text"
- if msg.is_multipart(): # Recursively decode all parts of the multipart message
- newfile = StringIO(msg.as_string())
- newfile.seek(0)
- decode_file(newfile)
- return
-
# Decode body and recode charset
s = decode_body(msg, instring)
if gopts.recode_charset:
totext(msg, outstring)
-def decode_file(infile):
- "Decode the entire message"
-
- msg = email.message_from_file(infile)
- boundary = msg.get_boundary()
+def decode_message(msg):
+ "Decode message"
if msg.is_multipart():
decode_headers(msg)
if msg.preamble: # Preserve the first part, it is probably not a RFC822-message
output(msg.preamble) # Usually it is just a few lines of text (MIME warning)
+ boundary = msg.get_boundary()
+
for subpart in msg.get_payload():
- output("\n--%s\n" % boundary)
- decode_part(subpart)
+ if boundary:
+ output("\n--%s\n" % boundary)
- output("\n--%s--\n" % boundary)
+ if subpart.is_multipart(): # Recursively decode all parts of the subpart
+ decode_message(subpart)
+ else:
+ decode_part(subpart)
+
+ if boundary:
+ output("\n--%s--\n" % boundary)
if msg.epilogue:
output(msg.epilogue)
- else:
- if msg.has_key("Content-Type"): # Simple one-part message - decode it
- decode_part(msg)
+ elif msg.has_key("Content-Type"): # Simple one-part message - decode it
+ decode_part(msg)
- else: # Not a message, just text - copy it literally
- output(msg.as_string())
+ else: # Not a message, just text - copy it literally
+ output(msg.as_string())
class GlobalOptions:
la = len(arguments)
if la == 0:
gopts.input_filename = '-'
- gopts.output_filename = '-'
infile = sys.stdin
- outfile = sys.stdout
+ if gopts.output_filename:
+ outfile = open(gopts.output_filename, 'w')
+ else:
+ gopts.output_filename = '-'
+ outfile = sys.stdout
elif la in (1, 2):
if (arguments[0] == '-'):
gopts.input_filename = '-'
gopts.host_name = socket.gethostname()
gopts.outfile = outfile
- decode_file(infile)
+ output = outfile.write
- infile.close()
- outfile.close()
+ try:
+ decode_message(email.message_from_file(infile))
+ finally:
+ infile.close()
+ outfile.close()