header.py
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# GNU Mailutils -- a suite of utilities for electronic mail
# Copyright (C) 2009-2012, 2014-2016 Free Software Foundation, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 3 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General
# Public License along with this library. If not, see
# <http://www.gnu.org/licenses/>.
import types
from mailutils.c_api import header
from mailutils.error import *
class Header:
def __init__ (self, hdr):
self.hdr = hdr
def __del__ (self):
del self.hdr
def __getitem__ (self, item):
if isinstance (item, types.IntType):
return self.get_field_name (item), self.get_field_value (item)
else:
return self.get_value (item)
def __setitem__ (self, name, value):
self.set_value (name, value)
def __contains__ (self, name):
status, value = header.get_value (self.hdr, name)
if status == MU_ERR_NOENT:
return False
elif status:
raise HeaderError (status)
return True
def __getattr__ (self, name):
if name == 'size':
return self.get_size ()
elif name == 'lines':
return self.get_lines ()
else:
raise AttributeError, name
def __len__ (self):
return self.get_field_count ()
def __iter__ (self):
self.__count = 0
self.__len = self.get_field_count ()
return self
def next (self):
if self.__count >= self.__len:
self.__count = 0
raise StopIteration
else:
self.__count += 1
return self.__getitem__ (self.__count)
def has_key (self, name):
return self.__contains__ (name)
def get_size (self):
status, size = header.size (self.hdr)
if status:
raise HeaderError (status)
return size
def get_lines (self):
status, lines = header.lines (self.hdr)
if status:
raise HeaderError (status)
return lines
def get_value (self, name, default=None):
status, value = header.get_value (self.hdr, name)
if status == MU_ERR_NOENT:
if default != None:
return default
else:
raise KeyError (name)
elif status:
raise HeaderError (status)
return value
def get_value_n (self, name, n=1, default=None):
status, value = header.get_value_n (self.hdr, name, n)
if status == MU_ERR_NOENT:
if default != None:
return default
else:
raise KeyError (name)
elif status:
raise HeaderError (status)
return value
def set_value (self, name, value, replace=True):
status = header.set_value (self.hdr, name, value, replace)
if status:
raise HeaderError (status)
def get_field_count (self):
status, count = header.get_field_count (self.hdr)
if status:
raise HeaderError (status)
return count
def get_field_name (self, idx):
status, name = header.get_field_name (self.hdr, idx)
if status == MU_ERR_NOENT:
raise IndexError (idx)
elif status:
raise HeaderError (status)
return name
def get_field_value (self, idx):
status, value = header.get_field_value (self.hdr, idx)
if status == MU_ERR_NOENT:
raise IndexError (idx)
elif status:
raise HeaderError (status)
return value
MU_HEADER_UNIX_FROM = "From "
MU_HEADER_RETURN_PATH = "Return-Path"
MU_HEADER_RECEIVED = "Received"
MU_HEADER_DATE = "Date"
MU_HEADER_DCC = "Dcc"
MU_HEADER_FROM = "From"
MU_HEADER_SENDER = "Sender"
MU_HEADER_RESENT_FROM = "Resent-From"
MU_HEADER_SUBJECT = "Subject"
MU_HEADER_SENDER = "Sender"
MU_HEADER_RESENT_SENDER = "Resent-SENDER"
MU_HEADER_TO = "To"
MU_HEADER_RESENT_TO = "Resent-To"
MU_HEADER_CC = "Cc"
MU_HEADER_RESENT_CC = "Resent-Cc"
MU_HEADER_BCC = "Bcc"
MU_HEADER_RESENT_BCC = "Resent-Bcc"
MU_HEADER_REPLY_TO = "Reply-To"
MU_HEADER_RESENT_REPLY_TO = "Resent-Reply-To"
MU_HEADER_MESSAGE_ID = "Message-ID"
MU_HEADER_RESENT_MESSAGE_ID = "Resent-Message-ID"
MU_HEADER_IN_REPLY_TO = "In-Reply-To"
MU_HEADER_REFERENCE = "Reference"
MU_HEADER_REFERENCES = "References"
MU_HEADER_ENCRYPTED = "Encrypted"
MU_HEADER_PRECEDENCE = "Precedence"
MU_HEADER_STATUS = "Status"
MU_HEADER_CONTENT_LENGTH = "Content-Length"
MU_HEADER_CONTENT_LANGUAGE = "Content-Language"
MU_HEADER_CONTENT_TRANSFER_ENCODING = "Content-transfer-encoding"
MU_HEADER_CONTENT_ID = "Content-ID"
MU_HEADER_CONTENT_TYPE = "Content-Type"
MU_HEADER_CONTENT_DESCRIPTION = "Content-Description"
MU_HEADER_CONTENT_DISPOSITION = "Content-Disposition"
MU_HEADER_CONTENT_MD5 = "Content-MD5"
MU_HEADER_MIME_VERSION = "MIME-Version"
MU_HEADER_X_MAILER = "X-Mailer"
MU_HEADER_X_UIDL = "X-UIDL"
MU_HEADER_X_UID = "X-UID"
MU_HEADER_X_IMAPBASE = "X-IMAPbase"
MU_HEADER_ENV_SENDER = "X-Envelope-Sender"
MU_HEADER_ENV_DATE = "X-Envelope-Date"
MU_HEADER_FCC = "Fcc"
MU_HEADER_DELIVERY_DATE = "Delivery-date"
MU_HEADER_ENVELOPE_TO = "Envelope-to"
MU_HEADER_X_EXPIRE_TIMESTAMP = "X-Expire-Timestamp"
MU_HEADER_REPLACE = 0x01
MU_HEADER_BEFORE = 0x02