Done PEP8 formatting in network.bmproto (Fixes: #1703)
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720A756F18DEED13
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@ -1,7 +1,7 @@
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"""
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Bitmessage Protocol
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Class BMProto defines bitmessage's network protocol workflow.
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"""
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# pylint: disable=attribute-defined-outside-init, too-few-public-methods
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import base64
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import hashlib
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import logging
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@ -66,6 +66,8 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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self.pendingUpload = RandomTrackingDict()
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# canonical identifier of network group
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self.network_group = None
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# userAgent initialization
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self.userAgent = ''
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def bm_proto_reset(self):
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"""Reset the bitmessage object parser"""
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@ -185,7 +187,6 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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return Node(services, host, port)
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# pylint: disable=too-many-branches, too-many-statements
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def decode_payload_content(self, pattern="v"):
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"""
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Decode the payload depending on pattern:
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@ -201,8 +202,8 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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0-9 = length of the next item
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, = end of array
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"""
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# pylint: disable=too-many-branches,too-many-statements
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# pylint: disable=inconsistent-return-statements
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def decode_simple(self, char="v"):
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"""Decode the payload using one char pattern"""
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if char == "v":
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@ -221,6 +222,7 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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self.payloadOffset += 8
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return struct.unpack(">Q", self.payload[
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self.payloadOffset - 8:self.payloadOffset])[0]
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return None
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size = None
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isArray = False
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@ -254,10 +256,11 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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])
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parserStack[-2][4] = len(parserStack[-2][3])
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else:
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for j in range(parserStack[-1][4], len(parserStack[-1][3])):
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j = 0
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for j in range(
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parserStack[-1][4], len(parserStack[-1][3])):
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if parserStack[-1][3][j] not in "lL0123456789":
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break
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# pylint: disable=undefined-loop-variable
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parserStack.append([
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size, size, isArray,
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parserStack[-1][3][parserStack[-1][4]:j + 1], 0, []
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@ -268,7 +271,8 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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elif i == "s":
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# if parserStack[-2][2]:
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# parserStack[-1][5].append(self.payload[
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# self.payloadOffset:self.payloadOffset + parserStack[-1][0]])
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# self.payloadOffset:self.payloadOffset
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# + parserStack[-1][0]])
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# else:
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parserStack[-1][5] = self.payload[
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self.payloadOffset:self.payloadOffset + parserStack[-1][0]]
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@ -339,6 +343,10 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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return True
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def _command_inv(self, dandelion=False):
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"""
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Common inv announce implementation:
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both inv and dinv depending on *dandelion* kwarg
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"""
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items = self.decode_payload_content("l32s")
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if len(items) > MAX_OBJECT_COUNT:
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@ -376,10 +384,11 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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nonce, expiresTime, objectType, version, streamNumber,
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self.payload, self.payloadOffset)
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if len(self.payload) - self.payloadOffset > MAX_OBJECT_PAYLOAD_SIZE:
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payload_len = len(self.payload) - self.payloadOffset
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if payload_len > MAX_OBJECT_PAYLOAD_SIZE:
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logger.info(
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'The payload length of this object is too large (%d bytes).'
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' Ignoring it.', len(self.payload) - self.payloadOffset)
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'The payload length of this object is too large'
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' (%d bytes). Ignoring it.', payload_len)
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raise BMProtoExcessiveDataError()
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try:
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@ -434,9 +443,8 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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def bm_command_addr(self):
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"""Incoming addresses, process them"""
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# pylint: disable=redefined-outer-name
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addresses = self._decode_addr()
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for seenTime, stream, _, ip, port in addresses:
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# not using services
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for seenTime, stream, _, ip, port in self._decode_addr():
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ip = str(ip)
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if (
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stream not in state.streamsInWhichIAmParticipating
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@ -446,8 +454,7 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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continue
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decodedIP = protocol.checkIPAddress(ip)
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if (
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decodedIP
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and time.time() - seenTime > 0
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decodedIP and time.time() - seenTime > 0
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and seenTime > time.time() - ADDRESS_ALIVE
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and port > 0
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):
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@ -475,7 +482,8 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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self.append_write_buf(protocol.CreatePacket('pong'))
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return True
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def bm_command_pong(self): # pylint: disable=no-self-use
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@staticmethod
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def bm_command_pong():
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"""
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Incoming pong.
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Ignore it. PyBitmessage pings connections after about 5 minutes
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@ -545,9 +553,9 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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length=self.payloadLength, expectBytes=0)
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return False
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# pylint: disable=too-many-return-statements
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def peerValidityChecks(self):
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"""Check the validity of the peer"""
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# pylint: disable=too-many-return-statements
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if self.remoteProtocolVersion < 3:
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self.append_write_buf(protocol.assembleErrorMessage(
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errorText="Your is using an old protocol. Closing connection.",
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@ -562,7 +570,8 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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" compared to mine. Closing connection.", fatal=2))
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logger.info(
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"%s's time is too far in the future (%s seconds)."
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" Closing connection to it.", self.destination, self.timeOffset)
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" Closing connection to it.",
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self.destination, self.timeOffset)
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BMProto.timeOffsetWrongCount += 1
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return False
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elif self.timeOffset < -MAX_TIME_OFFSET:
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@ -570,8 +579,9 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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errorText="Your time is too far in the past compared to mine."
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" Closing connection.", fatal=2))
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logger.info(
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"%s's time is too far in the past (timeOffset %s seconds)."
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" Closing connection to it.", self.destination, self.timeOffset)
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"%s's time is too far in the past"
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" (timeOffset %s seconds). Closing connection to it.",
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self.destination, self.timeOffset)
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BMProto.timeOffsetWrongCount += 1
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return False
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else:
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@ -584,7 +594,8 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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'Closed connection to %s because there is no overlapping'
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' interest in streams.', self.destination)
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return False
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if self.destination in connectionpool.BMConnectionPool().inboundConnections:
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if connectionpool.BMConnectionPool().inboundConnections.get(
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self.destination):
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try:
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if not protocol.checkSocksIP(self.destination.host):
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self.append_write_buf(protocol.assembleErrorMessage(
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@ -594,7 +605,7 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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'Closed connection to %s because we are already'
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' connected to that IP.', self.destination)
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return False
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except Exception:
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except: # TODO: exception types
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pass
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if not self.isOutbound:
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# incoming from a peer we're connected to as outbound,
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@ -614,8 +625,7 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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'Closed connection to %s due to server full'
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' or duplicate inbound/outbound.', self.destination)
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return False
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if connectionpool.BMConnectionPool().isAlreadyConnected(
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self.nonce):
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if connectionpool.BMConnectionPool().isAlreadyConnected(self.nonce):
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self.append_write_buf(protocol.assembleErrorMessage(
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errorText="I'm connected to myself. Closing connection.",
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fatal=2))
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@ -628,7 +638,7 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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@staticmethod
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def stopDownloadingObject(hashId, forwardAnyway=False):
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"""Stop downloading an object"""
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"""Stop downloading object *hashId*"""
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for connection in connectionpool.BMConnectionPool().connections():
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try:
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del connection.objectsNewToMe[hashId]
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@ -658,7 +668,8 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
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except AttributeError:
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try:
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logger.debug(
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'%(host)s:%(port)i: closing', self.destination._asdict())
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'%s:%i: closing',
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self.destination.host, self.destination.port)
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except AttributeError:
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logger.debug('Disconnected socket closing')
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AdvancedDispatcher.handle_close(self)
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