def usage(code=0, errormsg=''):
version(0)
sys.stdout.write("""\
- Usage: %s [-h|--help] [-V|--version] [-cCDP] [-H|--host=hostname] [-f charset] [-d header1[,h2,...]|*[,-h1,...]] [-p header1[,h2,h3,...]:param1[,p2,p3,...]] [-r header1[,h2,...]|*[,-h1,...]] [-R header1[,h2,h3,...]:param1[,p2,p3,...]] [--set-header header:value] [--set-param header:param=value] [-Bbeit mask] [-o output_file] [input_file [output_file]]
+ Usage: %s [-h|--help] [-V|--version] [-cCDP] [-H|--host=hostname] [-f charset] [-d header1[,h2,...]|*[,-h1,...]] [-p header1[,h2,h3,...]:param1[,p2,p3,...]] [-r header1[,h2,...]|*[,-h1,...]] [-R header1[,h2,h3,...]:param1[,p2,p3,...]] [--set-header header:value] [--set-param header:param=value] [-Bbeit mask] [--save-headers|body|message mask] [-O dest_dir] [-o output_file] [input_file [output_file]]
""" % me)
if errormsg:
sys.stderr.write(errormsg + '\n')
def recode(s, charset):
- return unicode(s, charset, "replace").encode(gopts.default_encoding, "replace")
+ return unicode(s, charset, "replace").encode(g.default_encoding, "replace")
def recode_if_needed(s, charset):
- if charset and charset.lower() <> gopts.default_encoding:
+ if charset and charset.lower() <> g.default_encoding:
s = recode(s, charset)
return s
def decode_headers(msg):
"Decode message headers according to global options"
- for header_list in gopts.remove_headers:
+ for header_list in g.remove_headers:
header_list = header_list.split(',')
if header_list[0] == '*': # Remove all headers except listed
header_list = _get_exceptions(header_list)
for header in header_list:
del msg[header]
- for header_list, param_list in gopts.remove_headers_params:
+ for header_list, param_list in g.remove_headers_params:
header_list = header_list.split(',')
param_list = param_list.split(',')
remove_all_params = param_list[0] == '*' # Remove all params except listed
for header in header_list:
_remove_headers_params(msg, header, remove_all_params, param_list)
- for header_list in gopts.decode_headers:
+ for header_list in g.decode_headers:
header_list = header_list.split(',')
if header_list[0] == '*': # Decode all headers except listed
header_list = _get_exceptions(header_list)
for header in header_list:
decode_header(msg, header)
- for header_list, param_list in gopts.decode_header_params:
+ for header_list, param_list in g.decode_header_params:
header_list = header_list.split(',')
param_list = param_list.split(',')
decode_all_params = param_list[0] == '*' # Decode all params except listed
os.remove(filename)
set_content_type(msg, "text/plain")
- msg["X-MIME-Autoconverted"] = "from %s to text/plain by %s id %s" % (content_type, gopts.host_name, command.split()[0])
+ msg["X-MIME-Autoconverted"] = "from %s to text/plain by %s id %s" % (content_type, g.host_name, command.split()[0])
return s
"Recode charset of the message to the default charset"
save_charset = charset = msg.get_content_charset()
- if charset and charset.lower() <> gopts.default_encoding:
+ if charset and charset.lower() <> g.default_encoding:
s = recode_if_needed(s, charset)
content_type = msg.get_content_type()
- set_content_type(msg, content_type, gopts.default_encoding)
- msg["X-MIME-Autoconverted"] = "from %s to %s by %s id %s" % (save_charset, gopts.default_encoding, gopts.host_name, me)
+ set_content_type(msg, content_type, g.default_encoding)
+ msg["X-MIME-Autoconverted"] = "from %s to %s by %s id %s" % (save_charset, g.default_encoding, g.host_name, me)
return s
# Decode body and recode charset
s = decode_body(msg, instring)
- if gopts.recode_charset:
+ if g.recode_charset:
s = recode_charset(msg, s)
output_headers(msg)
output(s)
+ return s
+
+
+def _save_message(msg, outstring, save_headers=False, save_body=False):
+ for header, param in (
+ ("Content-Disposition", "filename"),
+ ("Content-Type", "name"),
+ ):
+ fname = msg.get_param(param, header=header)
+ if fname:
+ fname = '-' + fname
+ break
+ else:
+ fname = ''
+ g.save_counter += 1
+ fname = str(g.save_counter) + fname
+
+ global output
+ save_output = output
+ outfile = open(os.path.join(g.destination_dir, fname), 'w')
+ output = outfile.write
+ if save_headers:
+ output_headers(msg)
+ if save_body:
+ output(outstring)
+ outfile.close()
+ output = save_output
def decode_part(msg):
left_binary = False
for content_type in masks:
- if content_type in gopts.binary_mask:
+ if content_type in g.binary_mask:
left_binary = True
break
else: # Decode from transfer ecoding to text or binary form
outstring = msg.get_payload(decode=1)
set_header(msg, "Content-Transfer-Encoding", "8bit")
- msg["X-MIME-Autoconverted"] = "from %s to 8bit by %s id %s" % (encoding, gopts.host_name, me)
+ msg["X-MIME-Autoconverted"] = "from %s to 8bit by %s id %s" % (encoding, g.host_name, me)
for content_type in masks:
- if content_type in gopts.totext_mask:
- totext(msg, outstring)
- return
- elif content_type in gopts.binary_mask or \
- content_type in gopts.decoded_binary_mask:
+ if content_type in g.totext_mask:
+ outstring = totext(msg, outstring)
+ break
+ elif content_type in g.binary_mask or \
+ content_type in g.decoded_binary_mask:
output_headers(msg)
output(outstring)
- return
- elif content_type in gopts.ignore_mask:
+ break
+ elif content_type in g.ignore_mask:
output_headers(msg)
- output("\nMessage body of type `%s' skipped.\n" % content_type)
- return
- elif content_type in gopts.error_mask:
- raise ValueError, "content type `%s' prohibited" % content_type
-
- # Neither content type nor masks were listed - decode by default
- totext(msg, outstring)
+ output("\nMessage body of type %s skipped.\n" % ctype)
+ break
+ elif content_type in g.error_mask:
+ raise ValueError, "content type %s prohibited" % ctype
+ else:
+ # Neither content type nor masks were listed - decode by default
+ outstring = totext(msg, outstring)
+ for content_type in masks:
+ if content_type in g.save_headers_mask:
+ _save_message(msg, outstring, save_headers=True, save_body=False)
+ elif content_type in g.save_body_mask:
+ _save_message(msg, outstring, save_headers=False, save_body=True)
+ elif content_type in g.save_message_mask:
+ _save_message(msg, outstring, save_headers=True, save_body=True)
def decode_multipart(msg):
"Decode multipart"
ignore_mask = [] # Ignore (skip, do not decode and do not include into output)
error_mask = [] # Raise error if encounter one of these
+ save_counter = 0
+ save_headers_mask = []
+ save_body_mask = []
+ save_message_mask = []
+
input_filename = None
output_filename = None
+ destination_dir = os.curdir
-gopts = GlobalOptions
+g = GlobalOptions
-def get_opt():
+def get_opts():
from getopt import getopt, GetoptError
try:
options, arguments = getopt(sys.argv[1:],
- 'hVcCDPH:f:d:p:r:R:b:B:e:i:t:o:',
- ['help', 'version', 'host=', 'set-header=', 'set-param='])
+ 'hVcCDPH:f:d:p:r:R:b:B:e:i:t:O:o:',
+ ['help', 'version', 'host=',
+ 'save-headers=', 'save-body=', 'save-message=',
+ 'set-header=', 'set-param='])
except GetoptError:
usage(1)
elif option in ('-V', '--version'):
version()
elif option == '-c':
- gopts.recode_charset = 1
+ g.recode_charset = 1
elif option == '-C':
- gopts.recode_charset = 0
+ g.recode_charset = 0
elif option in ('-H', '--host'):
- gopts.host_name = value
+ g.host_name = value
elif option == '-f':
- gopts.default_encoding = value
+ g.default_encoding = value
elif option == '-d':
if value.startswith('*'):
- gopts.decode_headers = []
- gopts.decode_headers.append(value)
+ g.decode_headers = []
+ g.decode_headers.append(value)
elif option == '-D':
- gopts.decode_headers = []
+ g.decode_headers = []
elif option == '-p':
- gopts.decode_header_params.append(value.split(':', 1))
+ g.decode_header_params.append(value.split(':', 1))
elif option == '-P':
- gopts.decode_header_params = []
+ g.decode_header_params = []
elif option == '-r':
- gopts.remove_headers.append(value)
+ g.remove_headers.append(value)
elif option == '-R':
- gopts.remove_headers_params.append(value.split(':', 1))
+ g.remove_headers_params.append(value.split(':', 1))
elif option == '--set-header':
- gopts.set_header_value.append(value.split(':', 1))
+ g.set_header_value.append(value.split(':', 1))
elif option == '--set-param':
header, value = value.split(':', 1)
if '=' in value:
param, value = value.split('=', 1)
else:
param, value = value.split(':', 1)
- gopts.set_header_param.append((header, param, value))
+ g.set_header_param.append((header, param, value))
elif option == '-t':
- gopts.totext_mask.append(value)
+ g.totext_mask.append(value)
elif option == '-B':
- gopts.binary_mask.append(value)
+ g.binary_mask.append(value)
elif option == '-b':
- gopts.decoded_binary_mask.append(value)
+ g.decoded_binary_mask.append(value)
elif option == '-i':
- gopts.ignore_mask.append(value)
+ g.ignore_mask.append(value)
elif option == '-e':
- gopts.error_mask.append(value)
+ g.error_mask.append(value)
+ elif option == '--save-headers':
+ g.save_headers_mask.append(value)
+ elif option == '--save-body':
+ g.save_body_mask.append(value)
+ elif option == '--save-message':
+ g.save_message_mask.append(value)
+ elif option == '-O':
+ g.destination_dir = value
elif option == '-o':
- gopts.output_filename = value
+ g.output_filename = value
else:
usage(1)
if __name__ == "__main__":
- arguments = get_opt()
+ arguments = get_opts()
la = len(arguments)
if la == 0:
- gopts.input_filename = '-'
+ g.input_filename = '-'
infile = sys.stdin
- if gopts.output_filename:
- outfile = open(gopts.output_filename, 'w')
+ if g.output_filename:
+ outfile = open(os.path.join(g.destination_dir, g.output_filename), 'w')
else:
- gopts.output_filename = '-'
+ g.output_filename = '-'
outfile = sys.stdout
elif la in (1, 2):
if (arguments[0] == '-'):
- gopts.input_filename = '-'
+ g.input_filename = '-'
infile = sys.stdin
else:
- gopts.input_filename = arguments[0]
+ g.input_filename = arguments[0]
infile = open(arguments[0], 'r')
if la == 1:
- if gopts.output_filename:
- outfile = open(gopts.output_filename, 'w')
+ if g.output_filename:
+ outfile = open(os.path.join(g.destination_dir, g.output_filename), 'w')
else:
- gopts.output_filename = '-'
+ g.output_filename = '-'
outfile = sys.stdout
elif la == 2:
- if gopts.output_filename:
+ if g.output_filename:
usage(1, 'Too many output filenames')
if (arguments[1] == '-'):
- gopts.output_filename = '-'
+ g.output_filename = '-'
outfile = sys.stdout
else:
- gopts.output_filename = arguments[1]
- outfile = open(arguments[1], 'w')
+ g.output_filename = arguments[1]
+ outfile = open(os.path.join(g.destination_dir, g.output_filename), 'w')
else:
usage(1, 'Too many arguments')
usage()
usage(1, 'Filtering from console is forbidden')
- if not gopts.host_name:
+ if not g.host_name:
import socket
- gopts.host_name = socket.gethostname()
+ g.host_name = socket.gethostname()
- gopts.outfile = outfile
+ g.outfile = outfile
output = outfile.write
msg = email.message_from_file(infile)
- for header, value in gopts.set_header_value:
+ for header, value in g.set_header_value:
msg[header] = value
- for header, param, value in gopts.set_header_param:
+ for header, param, value in g.set_header_param:
if header in msg:
msg.set_param(param, value, header)
projects / mimedecode.git / blobdiff