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-rw-r--r--src/leap/mail/adaptors/soledad.py52
-rw-r--r--src/leap/mail/imap/account.py15
-rw-r--r--src/leap/mail/imap/mailbox.py32
-rw-r--r--src/leap/mail/imap/messages.py15
-rw-r--r--src/leap/mail/imap/server.py95
-rw-r--r--src/leap/mail/imap/tests/test_imap.py13
-rw-r--r--src/leap/mail/mail.py83
-rw-r--r--src/leap/mail/tests/test_mail.py8
-rw-r--r--src/leap/mail/utils.py21
9 files changed, 261 insertions, 73 deletions
diff --git a/src/leap/mail/adaptors/soledad.py b/src/leap/mail/adaptors/soledad.py
index 490e014..b8e5fd4 100644
--- a/src/leap/mail/adaptors/soledad.py
+++ b/src/leap/mail/adaptors/soledad.py
@@ -491,7 +491,7 @@ class MessageWrapper(object):
for doc_id, cdoc in zip(self.mdoc.cdocs, self.cdocs.values()):
cdoc.set_future_doc_id(doc_id)
- def create(self, store, notify_just_mdoc=False):
+ def create(self, store, notify_just_mdoc=False, pending_inserts_dict=None):
"""
Create all the parts for this message in the store.
@@ -503,7 +503,7 @@ class MessageWrapper(object):
Be warned that in that case there will be no record of failures
when creating the other part-documents.
- Other-wise, this method will return a deferred that will wait for
+ Otherwise, this method will return a deferred that will wait for
the creation of all the part documents.
Setting this flag to True is mostly a convenient workaround for the
@@ -513,6 +513,9 @@ class MessageWrapper(object):
times will be enough to have all the queued insert operations
finished.
:type notify_just_mdoc: bool
+ :param pending_inserts_dict:
+ a dictionary with the pending inserts ids.
+ :type pending_inserts_dict: dict
:return: a deferred whose callback will be called when either all the
part documents have been written, or just the metamsg-doc,
@@ -527,26 +530,41 @@ class MessageWrapper(object):
leap_assert(self.fdoc.doc_id is None,
"Cannot create: fdoc has a doc_id")
+ def unblock_pending_insert(result):
+ msgid = self.hdoc.headers.get('Message-Id', None)
+ try:
+ d = pending_inserts_dict[msgid]
+ d.callback(msgid)
+ except KeyError:
+ pass
+ return result
+
# TODO check that the doc_ids in the mdoc are coherent
- d = []
+ self.d = []
+
mdoc_created = self.mdoc.create(store)
- d.append(mdoc_created)
- d.append(self.fdoc.create(store))
+ fdoc_created = self.fdoc.create(store)
+
+ self.d.append(mdoc_created)
+ self.d.append(fdoc_created)
if not self._is_copy:
if self.hdoc.doc_id is None:
- d.append(self.hdoc.create(store))
+ self.d.append(self.hdoc.create(store))
for cdoc in self.cdocs.values():
if cdoc.doc_id is not None:
# we could be just linking to an existing
# content-doc.
continue
- d.append(cdoc.create(store))
+ self.d.append(cdoc.create(store))
+
+ self.all_inserted_d = defer.gatherResults(self.d)
if notify_just_mdoc:
+ self.all_inserted_d.addCallback(unblock_pending_insert)
return mdoc_created
else:
- return defer.gatherResults(d)
+ return self.all_inserted_d
def update(self, store):
"""
@@ -1114,6 +1132,7 @@ def _split_into_parts(raw):
msg, parts, chash, multi = _parse_msg(raw)
size = len(msg.as_string())
+
body_phash = walk.get_body_phash(msg)
parts_map = walk.walk_msg_tree(parts, body_phash=body_phash)
@@ -1161,16 +1180,13 @@ def _build_headers_doc(msg, chash, body_phash, parts_map):
It takes into account possibly repeated headers.
"""
- headers = msg.items()
-
- # TODO move this manipulation to IMAP
- #headers = defaultdict(list)
- #for k, v in msg.items():
- #headers[k].append(v)
- ## "fix" for repeated headers.
- #for k, v in headers.items():
- #newline = "\n%s: " % (k,)
- #headers[k] = newline.join(v)
+ headers = defaultdict(list)
+ for k, v in msg.items():
+ headers[k].append(v)
+ # "fix" for repeated headers (as in "Received:"
+ for k, v in headers.items():
+ newline = "\n%s: " % (k.lower(),)
+ headers[k] = newline.join(v)
lower_headers = lowerdict(dict(headers))
msgid = first(_MSGID_RE.findall(
diff --git a/src/leap/mail/imap/account.py b/src/leap/mail/imap/account.py
index 38df845..ccb4b75 100644
--- a/src/leap/mail/imap/account.py
+++ b/src/leap/mail/imap/account.py
@@ -163,28 +163,17 @@ class IMAPAccount(object):
# FIXME --- return failure instead of AssertionError
# See AccountTestCase...
leap_assert(name, "Need a mailbox name to create a mailbox")
- if creation_ts is None:
- # by default, we pass an int value
- # taken from the current time
- # we make sure to take enough decimals to get a unique
- # mailbox-uidvalidity.
- creation_ts = int(time.time() * 10E2)
def check_it_does_not_exist(mailboxes):
if name in mailboxes:
raise imap4.MailboxCollision, repr(name)
return mailboxes
- def set_mbox_creation_ts(collection):
- d = collection.set_mbox_attr("created", creation_ts)
- d.addCallback(lambda _: collection)
- return d
-
d = self.account.list_all_mailbox_names()
d.addCallback(check_it_does_not_exist)
- d.addCallback(lambda _: self.account.add_mailbox(name))
+ d.addCallback(lambda _: self.account.add_mailbox(
+ name, creation_ts=creation_ts))
d.addCallback(lambda _: self.account.get_collection_by_mailbox(name))
- d.addCallback(set_mbox_creation_ts)
d.addCallback(self._return_mailbox_from_collection)
return d
diff --git a/src/leap/mail/imap/mailbox.py b/src/leap/mail/imap/mailbox.py
index 61baca5..1412344 100644
--- a/src/leap/mail/imap/mailbox.py
+++ b/src/leap/mail/imap/mailbox.py
@@ -492,17 +492,12 @@ class IMAPMailbox(object):
:rtype: deferred with a generator that yields...
"""
- # For the moment our UID is sequential, so we
- # can treat them all the same.
- # Change this to the flag that twisted expects when we
- # switch to content-hash based index + local UID table.
-
- is_sequence = True if uid == 0 else False
-
+ # TODO implement sequence
+ # is_sequence = True if uid == 0 else False
# XXX DEBUG --- if you attempt to use the `getmail` utility under
- # imap/tests, it will choke until we implement sequence numbers. This
- # is an easy hack meanwhile.
- # is_sequence = False
+ # imap/tests, or muas like mutt, it will choke until we implement
+ # sequence numbers. This is an easy hack meanwhile.
+ is_sequence = False
# -----------------------------------------------------------------
getmsg = self.collection.get_message_by_uid
@@ -514,13 +509,14 @@ class IMAPMailbox(object):
d_imapmsg = []
for msg in messages:
d_imapmsg.append(getimapmsg(msg))
- return defer.gatherResults(d_imapmsg)
+ return defer.gatherResults(d_imapmsg, consumeErrors=True)
def _zip_msgid(imap_messages):
zipped = zip(
list(msg_range), imap_messages)
return (item for item in zipped)
+ # XXX not called??
def _unset_recent(sequence):
reactor.callLater(0, self.unset_recent_flags, sequence)
return sequence
@@ -528,12 +524,12 @@ class IMAPMailbox(object):
d_msg = []
for msgid in msg_range:
# XXX We want cdocs because we "probably" are asked for the
- # body. We should be smarted at do_FETCH and pass a parameter
+ # body. We should be smarter at do_FETCH and pass a parameter
# to this method in order not to prefetch cdocs if they're not
# going to be used.
d_msg.append(getmsg(msgid, get_cdocs=True))
- d = defer.gatherResults(d_msg)
+ d = defer.gatherResults(d_msg, consumeErrors=True)
d.addCallback(_get_imap_msg)
d.addCallback(_zip_msgid)
return d
@@ -581,7 +577,13 @@ class IMAPMailbox(object):
MessagePart.
:rtype: tuple
"""
- is_sequence = True if uid == 0 else False
+ # is_sequence = True if uid == 0 else False
+ # XXX FIXME -----------------------------------------------------
+ # imap/tests, or muas like mutt, it will choke until we implement
+ # sequence numbers. This is an easy hack meanwhile.
+ is_sequence = False
+ # ---------------------------------------------------------------
+
if is_sequence:
raise NotImplementedError
@@ -664,7 +666,6 @@ class IMAPMailbox(object):
:rtype: tuple
"""
# TODO implement sequences
- # TODO how often is thunderbird doing this?
is_sequence = True if uid == 0 else False
if is_sequence:
raise NotImplementedError
@@ -722,7 +723,6 @@ class IMAPMailbox(object):
read-write.
"""
# TODO implement sequences
- # TODO how often is thunderbird doing this?
is_sequence = True if uid == 0 else False
if is_sequence:
raise NotImplementedError
diff --git a/src/leap/mail/imap/messages.py b/src/leap/mail/imap/messages.py
index 02aac2e..4c6f10d 100644
--- a/src/leap/mail/imap/messages.py
+++ b/src/leap/mail/imap/messages.py
@@ -22,7 +22,7 @@ from twisted.mail import imap4
from twisted.internet import defer
from zope.interface import implements
-from leap.mail.utils import find_charset
+from leap.mail.utils import find_charset, CaseInsensitiveDict
logger = logging.getLogger(__name__)
@@ -228,13 +228,13 @@ def _format_headers(headers, negate, *names):
# default to most likely standard
charset = find_charset(headers, "utf-8")
- _headers = dict()
- for key, value in headers.items():
- # twisted imap server expects *some* headers to be lowercase
- # We could use a CaseInsensitiveDict here...
- if key.lower() == "content-type":
- key = key.lower()
+ # We will return a copy of the headers dictionary that
+ # will allow case-insensitive lookups. In some parts of the twisted imap
+ # server code the keys are expected to be in lower case, and in this way
+ # we avoid having to convert them.
+ _headers = CaseInsensitiveDict()
+ for key, value in headers.items():
if not isinstance(key, str):
key = key.encode(charset, 'replace')
if not isinstance(value, str):
@@ -247,4 +247,5 @@ def _format_headers(headers, negate, *names):
# filter original dict by negate-condition
if cond(key):
_headers[key] = value
+
return _headers
diff --git a/src/leap/mail/imap/server.py b/src/leap/mail/imap/server.py
index 3e10171..3aeca54 100644
--- a/src/leap/mail/imap/server.py
+++ b/src/leap/mail/imap/server.py
@@ -36,6 +36,38 @@ from twisted.mail.imap4 import IllegalClientResponse
from twisted.mail.imap4 import LiteralString, LiteralFile
+def _getContentType(msg):
+ """
+ Return a two-tuple of the main and subtype of the given message.
+ """
+ attrs = None
+ mm = msg.getHeaders(False, 'content-type').get('content-type', None)
+ if mm:
+ mm = ''.join(mm.splitlines())
+ mimetype = mm.split(';')
+ if mimetype:
+ type = mimetype[0].split('/', 1)
+ if len(type) == 1:
+ major = type[0]
+ minor = None
+ elif len(type) == 2:
+ major, minor = type
+ else:
+ major = minor = None
+ # XXX patched ---------------------------------------------
+ attrs = dict(x.strip().split('=', 1) for x in mimetype[1:])
+ # XXX patched ---------------------------------------------
+ else:
+ major = minor = None
+ else:
+ major = minor = None
+ return major, minor, attrs
+
+# Monkey-patch _getContentType to avoid bug that passes lower-case boundary in
+# BODYSTRUCTURE response.
+imap4._getContentType = _getContentType
+
+
class LEAPIMAPServer(imap4.IMAP4Server):
"""
An IMAP4 Server with a LEAP Storage Backend.
@@ -60,6 +92,69 @@ class LEAPIMAPServer(imap4.IMAP4Server):
# populate the test account properly (and only once
# per session)
+ #############################################################
+ #
+ # Twisted imap4 patch to workaround bad mime rendering in TB.
+ # See https://leap.se/code/issues/6773
+ # and https://bugzilla.mozilla.org/show_bug.cgi?id=149771
+ # Still unclear if this is a thunderbird bug.
+ # TODO send this patch upstream
+ #
+ #############################################################
+
+ def spew_body(self, part, id, msg, _w=None, _f=None):
+ if _w is None:
+ _w = self.transport.write
+ for p in part.part:
+ if msg.isMultipart():
+ msg = msg.getSubPart(p)
+ elif p > 0:
+ # Non-multipart messages have an implicit first part but no
+ # other parts - reject any request for any other part.
+ raise TypeError("Requested subpart of non-multipart message")
+
+ if part.header:
+ hdrs = msg.getHeaders(part.header.negate, *part.header.fields)
+ hdrs = imap4._formatHeaders(hdrs)
+ # PATCHED ##########################################
+ _w(str(part) + ' ' + imap4._literal(hdrs + "\r\n"))
+ # PATCHED ##########################################
+ elif part.text:
+ _w(str(part) + ' ')
+ _f()
+ return imap4.FileProducer(msg.getBodyFile()
+ ).beginProducing(self.transport
+ )
+ elif part.mime:
+ hdrs = imap4._formatHeaders(msg.getHeaders(True))
+
+ # PATCHED ##########################################
+ _w(str(part) + ' ' + imap4._literal(hdrs + "\r\n"))
+ # END PATCHED ######################################
+
+ elif part.empty:
+ _w(str(part) + ' ')
+ _f()
+ if part.part:
+ return imap4.FileProducer(msg.getBodyFile()
+ ).beginProducing(self.transport
+ )
+ else:
+ mf = imap4.IMessageFile(msg, None)
+ if mf is not None:
+ return imap4.FileProducer(mf.open()).beginProducing(self.transport)
+ return imap4.MessageProducer(msg, None, self._scheduler).beginProducing(self.transport)
+
+ else:
+ _w('BODY ' + imap4.collapseNestedLists([imap4.getBodyStructure(msg)]))
+
+ ##################################################################
+ #
+ # END Twisted imap4 patch to workaround bad mime rendering in TB.
+ # #6773
+ #
+ ##################################################################
+
def lineReceived(self, line):
"""
Attempt to parse a single line from the server.
diff --git a/src/leap/mail/imap/tests/test_imap.py b/src/leap/mail/imap/tests/test_imap.py
index c4f752b..af1bd69 100644
--- a/src/leap/mail/imap/tests/test_imap.py
+++ b/src/leap/mail/imap/tests/test_imap.py
@@ -25,8 +25,8 @@ XXX add authors from the original twisted tests.
@license: GPLv3, see included LICENSE file
"""
# XXX review license of the original tests!!!
-
import os
+import string
import types
@@ -38,6 +38,7 @@ from twisted.python import failure
from twisted import cred
from leap.mail.imap.mailbox import IMAPMailbox
+from leap.mail.imap.messages import CaseInsensitiveDict
from leap.mail.imap.tests.utils import IMAP4HelperMixin
@@ -74,8 +75,8 @@ class TestRealm:
#
# DEBUG ---
-#from twisted.internet.base import DelayedCall
-#DelayedCall.debug = True
+# from twisted.internet.base import DelayedCall
+# DelayedCall.debug = True
class LEAPIMAP4ServerTestCase(IMAP4HelperMixin):
@@ -810,7 +811,7 @@ class LEAPIMAP4ServerTestCase(IMAP4HelperMixin):
infile = util.sibpath(__file__, 'rfc822.message')
message = open(infile)
acc = self.server.theAccount
- mailbox_name = "root/subthing"
+ mailbox_name = "appendmbox/subthing"
def add_mailbox():
return acc.addMailbox(mailbox_name)
@@ -843,7 +844,7 @@ class LEAPIMAP4ServerTestCase(IMAP4HelperMixin):
uid, msg = fetched[0]
parsed = self.parser.parse(open(infile))
expected_body = parsed.get_payload()
- expected_headers = dict(parsed.items())
+ expected_headers = CaseInsensitiveDict(parsed.items())
def assert_flags(flags):
self.assertEqual(
@@ -860,7 +861,7 @@ class LEAPIMAP4ServerTestCase(IMAP4HelperMixin):
self.assertEqual(expected_body, gotbody)
def assert_headers(headers):
- self.assertItemsEqual(expected_headers, headers)
+ self.assertItemsEqual(map(string.lower, expected_headers), headers)
d = defer.maybeDeferred(msg.getFlags)
d.addCallback(assert_flags)
diff --git a/src/leap/mail/mail.py b/src/leap/mail/mail.py
index d92ff79..4fe08a6 100644
--- a/src/leap/mail/mail.py
+++ b/src/leap/mail/mail.py
@@ -17,9 +17,11 @@
"""
Generic Access to Mail objects: Public LEAP Mail API.
"""
+import itertools
import uuid
import logging
import StringIO
+import time
import weakref
from twisted.internet import defer
@@ -33,7 +35,7 @@ from leap.mail.adaptors.soledad import SoledadMailAdaptor
from leap.mail.constants import INBOX_NAME
from leap.mail.constants import MessageFlags
from leap.mail.mailbox_indexer import MailboxIndexer
-from leap.mail.utils import find_charset
+from leap.mail.utils import find_charset, CaseInsensitiveDict
logger = logging.getLogger(name=__name__)
@@ -98,6 +100,23 @@ def _encode_payload(payload, ctype=""):
return payload
+def _unpack_headers(headers_dict):
+ """
+ Take a "packed" dict containing headers (with repeated keys represented as
+ line breaks inside each value, preceded by the header key) and return a
+ list of tuples in which each repeated key has a different tuple.
+ """
+ headers_l = headers_dict.items()
+ for i, (k, v) in enumerate(headers_l):
+ splitted = v.split(k.lower() + ": ")
+ if len(splitted) != 1:
+ inner = zip(
+ itertools.cycle([k]),
+ map(lambda l: l.rstrip('\n'), splitted))
+ headers_l = headers_l[:i] + inner + headers_l[i+1:]
+ return headers_l
+
+
class MessagePart(object):
# TODO This class should be better abstracted from the data model.
# TODO support arbitrarily nested multiparts (right now we only support
@@ -135,7 +154,15 @@ class MessagePart(object):
self._index = index
def get_size(self):
- return self._pmap['size']
+ """
+ Size of the body, in octets.
+ """
+ total = self._pmap['size']
+ _h = self.get_headers()
+ headers = len(
+ '\n'.join(["%s: %s" % (k, v) for k, v in dict(_h).items()]))
+ # have to subtract 2 blank lines
+ return total - headers - 2
def get_body_file(self):
payload = ""
@@ -148,10 +175,11 @@ class MessagePart(object):
raise NotImplementedError
if payload:
payload = _encode_payload(payload)
+
return _write_and_rewind(payload)
def get_headers(self):
- return self._pmap.get("headers", [])
+ return CaseInsensitiveDict(self._pmap.get("headers", []))
def is_multipart(self):
return self._pmap.get("multi", False)
@@ -233,7 +261,7 @@ class Message(object):
"""
Get the raw headers document.
"""
- return [tuple(item) for item in self._wrapper.hdoc.headers]
+ return CaseInsensitiveDict(self._wrapper.hdoc.headers)
def get_body_file(self, store):
"""
@@ -252,9 +280,10 @@ class Message(object):
def get_size(self):
"""
- Size, in octets.
+ Size of the whole message, in octets (including headers).
"""
- return self._wrapper.fdoc.size
+ total = self._wrapper.fdoc.size
+ return total
def is_multipart(self):
"""
@@ -335,6 +364,8 @@ class MessageCollection(object):
store = None
messageklass = Message
+ _pending_inserts = dict()
+
def __init__(self, adaptor, store, mbox_indexer=None, mbox_wrapper=None):
"""
Constructor for a MessageCollection.
@@ -411,6 +442,8 @@ class MessageCollection(object):
if not absolute:
raise NotImplementedError("Does not support relative ids yet")
+ get_doc_fun = self.mbox_indexer.get_doc_id_from_uid
+
def get_msg_from_mdoc_id(doc_id):
if doc_id is None:
return None
@@ -418,7 +451,16 @@ class MessageCollection(object):
self.messageklass, self.store,
doc_id, uid=uid, get_cdocs=get_cdocs)
- d = self.mbox_indexer.get_doc_id_from_uid(self.mbox_uuid, uid)
+ def cleanup_and_get_doc_after_pending_insert(result):
+ for key in result:
+ self._pending_inserts.pop(key)
+ return get_doc_fun(self.mbox_uuid, uid)
+
+ if not self._pending_inserts:
+ d = get_doc_fun(self.mbox_uuid, uid)
+ else:
+ d = defer.gatherResults(self._pending_inserts.values())
+ d.addCallback(cleanup_and_get_doc_after_pending_insert)
d.addCallback(get_msg_from_mdoc_id)
return d
@@ -543,13 +585,16 @@ class MessageCollection(object):
# TODO watch out if the use of this method in IMAP COPY/APPEND is
# passing the right date.
# XXX mdoc ref is a leaky abstraction here. generalize.
-
leap_assert_type(flags, tuple)
leap_assert_type(date, str)
msg = self.adaptor.get_msg_from_string(Message, raw_msg)
wrapper = msg.get_wrapper()
+ if notify_just_mdoc:
+ msgid = msg.get_headers()['message-id']
+ self._pending_inserts[msgid] = defer.Deferred()
+
if not self.is_mailbox_collection():
raise NotImplementedError()
@@ -571,10 +616,14 @@ class MessageCollection(object):
(wrapper.mdoc.serialize(),))
return defer.succeed("mdoc_id not inserted")
# XXX BUG -----------------------------------------
+
return self.mbox_indexer.insert_doc(
self.mbox_uuid, doc_id)
- d = wrapper.create(self.store, notify_just_mdoc=notify_just_mdoc)
+ d = wrapper.create(
+ self.store,
+ notify_just_mdoc=notify_just_mdoc,
+ pending_inserts_dict=self._pending_inserts)
d.addCallback(insert_mdoc_id, wrapper)
d.addErrback(lambda f: f.printTraceback())
d.addCallback(self.cb_signal_unread_to_ui)
@@ -805,7 +854,20 @@ class Account(object):
d = self.adaptor.get_all_mboxes(self.store)
return d
- def add_mailbox(self, name):
+ def add_mailbox(self, name, creation_ts=None):
+
+ if creation_ts is None:
+ # by default, we pass an int value
+ # taken from the current time
+ # we make sure to take enough decimals to get a unique
+ # mailbox-uidvalidity.
+ creation_ts = int(time.time() * 10E2)
+
+ def set_creation_ts(wrapper):
+ wrapper.created = creation_ts
+ d = wrapper.update(self.store)
+ d.addCallback(lambda _: wrapper)
+ return d
def create_uuid(wrapper):
if not wrapper.uuid:
@@ -821,6 +883,7 @@ class Account(object):
return d
d = self.adaptor.get_or_create_mbox(self.store, name)
+ d.addCallback(set_creation_ts)
d.addCallback(create_uuid)
d.addCallback(create_uid_table_cb)
return d
diff --git a/src/leap/mail/tests/test_mail.py b/src/leap/mail/tests/test_mail.py
index d326ca8..2c03933 100644
--- a/src/leap/mail/tests/test_mail.py
+++ b/src/leap/mail/tests/test_mail.py
@@ -26,7 +26,7 @@ from email.parser import Parser
from email.Utils import formatdate
from leap.mail.adaptors.soledad import SoledadMailAdaptor
-from leap.mail.mail import MessageCollection, Account
+from leap.mail.mail import MessageCollection, Account, _unpack_headers
from leap.mail.mailbox_indexer import MailboxIndexer
from leap.mail.tests.common import SoledadTestMixin
@@ -144,8 +144,10 @@ class MessageTestCase(SoledadTestMixin, CollectionMixin):
def _test_get_headers_cb(self, msg):
self.assertTrue(msg is not None)
- expected = _get_parsed_msg().items()
- self.assertEqual(msg.get_headers(), expected)
+ expected = [
+ (str(key.lower()), str(value))
+ for (key, value) in _get_parsed_msg().items()]
+ self.assertItemsEqual(_unpack_headers(msg.get_headers()), expected)
def test_get_body_file(self):
d = self.get_inserted_msg(multi=True)
diff --git a/src/leap/mail/utils.py b/src/leap/mail/utils.py
index 8e51024..029e9f5 100644
--- a/src/leap/mail/utils.py
+++ b/src/leap/mail/utils.py
@@ -351,3 +351,24 @@ def json_loads(data):
obj = json.loads(data, cls=json.JSONDecoder)
return obj
+
+
+class CaseInsensitiveDict(dict):
+ """
+ A dictionary subclass that will allow case-insenstive key lookups.
+ """
+ def __init__(self, d=None):
+ if d is None:
+ d = []
+ if isinstance(d, dict):
+ for key, value in d.items():
+ self[key] = value
+ else:
+ for key, value in d:
+ self[key] = value
+
+ def __setitem__(self, key, value):
+ super(CaseInsensitiveDict, self).__setitem__(key.lower(), value)
+
+ def __getitem__(self, key):
+ return super(CaseInsensitiveDict, self).__getitem__(key.lower())