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[tor-commits] [ooni-probe/master] Pylint and pyflakes improvements to all stable tests.



commit 170bad3df93f2d30e1c96a48ff4f0f2f384cf062
Author: Arturo Filastò <art@xxxxxxxxx>
Date:   Wed May 14 15:48:19 2014 +0200

    Pylint and pyflakes improvements to all stable tests.
---
 ooni/nettests/blocking/http_requests.py            |   35 ++++++------
 ooni/nettests/blocking/tcp_connect.py              |   25 +++++----
 ooni/nettests/manipulation/dns_spoof.py            |   49 ++++++++++-------
 .../manipulation/http_header_field_manipulation.py |   51 ++++++++++++------
 ooni/nettests/manipulation/http_host.py            |   27 ++++++----
 .../manipulation/http_invalid_request_line.py      |   15 ++++--
 ooni/nettests/manipulation/traceroute.py           |   57 +++++++++++---------
 7 files changed, 159 insertions(+), 100 deletions(-)

diff --git a/ooni/nettests/blocking/http_requests.py b/ooni/nettests/blocking/http_requests.py
index c660400..e5524ee 100644
--- a/ooni/nettests/blocking/http_requests.py
+++ b/ooni/nettests/blocking/http_requests.py
@@ -4,21 +4,23 @@
 # :licence: see LICENSE
 
 import random
-from twisted.internet import defer
 from twisted.python import usage, failure
 
 from ooni.utils import log
 from ooni.utils.net import userAgents
 from ooni.templates import httpt
-from ooni.errors import failureToString, handleAllFailures
+from ooni.errors import failureToString
+
 
 class UsageOptions(usage.Options):
     optParameters = [
-                     ['url', 'u', None, 'Specify a single URL to test.'],
-                     ['factor', 'f', 0.8, 'What factor should be used for triggering censorship (0.8 == 80%)']
-                    ]
+        ['url', 'u', None, 'Specify a single URL to test.'],
+        ['factor', 'f', 0.8,
+         'What factor should be used for triggering censorship (0.8 == 80%)']]
+
 
 class HTTPRequestsTest(httpt.HTTPTest):
+
     """
     Performs a two GET requests to the set of sites to be tested for
     censorship, one over a known good control channel (Tor), the other over the
@@ -28,14 +30,15 @@ class HTTPRequestsTest(httpt.HTTPTest):
     lengths match.
     """
     name = "HTTP Requests"
-    description = "Performs a HTTP GET request over Tor and one over the local network and compares the two results."
+    description = "Performs a HTTP GET request over Tor and one over the " \
+                  "local network and compares the two results."
     author = "Arturo Filastò"
     version = "0.2.4"
 
     usageOptions = UsageOptions
 
     inputFile = ['file', 'f', None,
-            'List of URLS to perform GET and POST requests to']
+                 'List of URLS to perform GET and POST requests to']
     requiresRoot = False
     requiresTor = False
 
@@ -58,7 +61,7 @@ class HTTPRequestsTest(httpt.HTTPTest):
         self.factor = self.localOptions['factor']
         self.report['control_failure'] = None
         self.report['experiment_failure'] = None
-        self.report['body_length_match'] =  None
+        self.report['body_length_match'] = None
         self.report['body_proportion'] = None
         self.report['factor'] = float(self.factor)
         self.report['headers_diff'] = None
@@ -101,31 +104,33 @@ class HTTPRequestsTest(httpt.HTTPTest):
 
     def test_get_experiment(self):
         log.msg("Performing GET request to %s" % self.url)
-        return  self.doRequest(self.url, method="GET",
-                use_tor=False, headers=self.headers)
+        return self.doRequest(self.url, method="GET",
+                              use_tor=False, headers=self.headers)
 
     def test_get_control(self):
         log.msg("Performing GET request to %s over Tor" % self.url)
         return self.doRequest(self.url, method="GET",
-                use_tor=True, headers=self.headers)
+                              use_tor=True, headers=self.headers)
 
     def postProcessor(self, measurements):
         experiment = control = None
         for status, measurement in measurements:
             if 'experiment' in str(measurement.netTestMethod):
                 if isinstance(measurement.result, failure.Failure):
-                    self.report['experiment_failure'] = failureToString(measurement.result)
+                    self.report['experiment_failure'] = failureToString(
+                        measurement.result)
                 else:
                     experiment = measurement.result
             elif 'control' in str(measurement.netTestMethod):
                 if isinstance(measurement.result, failure.Failure):
-                    self.report['control_failure'] = failureToString(measurement.result)
+                    self.report['control_failure'] = failureToString(
+                        measurement.result)
                 else:
                     control = measurement.result
 
         if experiment and control:
             self.compare_body_lengths(len(control.body),
-                    len(experiment.body))
+                                      len(experiment.body))
             self.compare_headers(control.headers,
-                    experiment.headers)
+                                 experiment.headers)
         return self.report
diff --git a/ooni/nettests/blocking/tcp_connect.py b/ooni/nettests/blocking/tcp_connect.py
index 84ceb2d..852be68 100644
--- a/ooni/nettests/blocking/tcp_connect.py
+++ b/ooni/nettests/blocking/tcp_connect.py
@@ -2,35 +2,42 @@
 from twisted.internet.protocol import Factory, Protocol
 from twisted.internet.endpoints import TCP4ClientEndpoint
 
-from twisted.internet.error import ConnectionRefusedError
-from twisted.internet.error import TCPTimedOutError, TimeoutError
-
 from ooni import nettest
 from ooni.errors import handleAllFailures
 from ooni.utils import log
 
+
 class TCPFactory(Factory):
+
     def buildProtocol(self, addr):
         return Protocol()
 
+
 class TCPConnectTest(nettest.NetTestCase):
     name = "TCP Connect"
-    description = "Performs a TCP connect scan of all the host port combinations given as input."
+    description = "Performs a TCP connect scan of all the " \
+                  "host port combinations given as input."
     author = "Arturo Filastò"
     version = "0.1"
-    inputFile = ['file', 'f', None,
-            'File containing the IP:PORT combinations to be tested, one per line']
-    
+    inputFile = [
+        'file',
+        'f',
+        None,
+        'File containing the IP:PORT combinations to be tested, one per line']
+
     requiresTor = False
     requiresRoot = False
     requiredOptions = ['file']
+
     def test_connect(self):
         """
-        This test performs a TCP connection to the remote host on the specified port.
-        the report will contains the string 'success' if the test has
+        This test performs a TCP connection to the remote host on the
+        specified port.
+        The report will contains the string 'success' if the test has
         succeeded, or the reason for the failure if it has failed.
         """
         host, port = self.input.split(":")
+
         def connectionSuccess(protocol):
             protocol.transport.loseConnection()
             log.debug("Got a connection to %s" % self.input)
diff --git a/ooni/nettests/manipulation/dns_spoof.py b/ooni/nettests/manipulation/dns_spoof.py
index 15aad07..aa464d4 100644
--- a/ooni/nettests/manipulation/dns_spoof.py
+++ b/ooni/nettests/manipulation/dns_spoof.py
@@ -11,19 +11,20 @@ from scapy.all import IP, UDP, DNS, DNSQR
 from ooni.templates import scapyt
 from ooni.utils import log
 
+
 class UsageOptions(usage.Options):
-    optParameters = [['resolver', 'r', None,
-                    'Specify the resolver that should be used for DNS queries (ip:port)'],
-                    ['hostname', 'h', None,
-                        'Specify the hostname of a censored site'],
-                    ['backend', 'b', None,
-                        'Specify the IP address of a good DNS resolver (ip:port)']
-                    ]
+    optParameters = [
+        ['resolver', 'r', None,
+         'Specify the resolver that should be used for DNS queries (ip:port)'],
+        ['hostname', 'h', None, 'Specify the hostname of a censored site'],
+        ['backend', 'b', None,
+         'Specify the IP address of a good DNS resolver (ip:port)']]
 
 
 class DNSSpoof(scapyt.ScapyTest):
     name = "DNS Spoof"
-    description = "Used to validate if the type of censorship happening is DNS spoofing or not."
+    description = "Used to validate if the type of censorship " \
+                  "happening is DNS spoofing or not."
     author = "Arturo Filastò"
     version = "0.0.1"
     timeout = 2
@@ -36,10 +37,12 @@ class DNSSpoof(scapyt.ScapyTest):
     requiresTor = False
 
     def setUp(self):
-        self.resolverAddr, self.resolverPort = self.localOptions['resolver'].split(':')
+        self.resolverAddr, self.resolverPort = self.localOptions[
+            'resolver'].split(':')
         self.resolverPort = int(self.resolverPort)
 
-        self.controlResolverAddr, self.controlResolverPort = self.localOptions['backend'].split(':')
+        self.controlResolverAddr, self.controlResolverPort = self.localOptions[
+            'backend'].split(':')
         self.controlResolverPort = int(self.controlResolverPort)
 
         self.hostname = self.localOptions['hostname']
@@ -51,28 +54,36 @@ class DNSSpoof(scapyt.ScapyTest):
         """
         try:
             test_answer = report['test_a_lookup']['answered_packets'][0][1]
-            control_answer = report['test_control_a_lookup']['answered_packets'][0][1]
+            control_answer = report['test_control_a_lookup'][
+                'answered_packets'][0][1]
         except IndexError:
             self.report['spoofing'] = 'no_answer'
             return
 
         if test_answer[UDP] == control_answer[UDP]:
-                self.report['spoofing'] = True
+            self.report['spoofing'] = True
         else:
             self.report['spoofing'] = False
         return
 
     @defer.inlineCallbacks
     def test_a_lookup(self):
-        question = IP(dst=self.resolverAddr)/UDP()/DNS(rd=1,
-                qd=DNSQR(qtype="A", qclass="IN", qname=self.hostname))
-        log.msg("Performing query to %s with %s:%s" % (self.hostname, self.resolverAddr, self.resolverPort))
+        question = IP(dst=self.resolverAddr)/UDP()
+        question /= DNS(rd=1, qd=DNSQR(qtype="A",
+                                       qclass="IN",
+                                       qname=self.hostname))
+        log.msg(
+            "Performing query to %s with %s:%s" %
+            (self.hostname, self.resolverAddr, self.resolverPort))
         yield self.sr1(question)
 
     @defer.inlineCallbacks
     def test_control_a_lookup(self):
-        question = IP(dst=self.controlResolverAddr)/UDP()/DNS(rd=1,
-                qd=DNSQR(qtype="A", qclass="IN", qname=self.hostname))
-        log.msg("Performing query to %s with %s:%s" % (self.hostname,
-            self.controlResolverAddr, self.controlResolverPort))
+        question = IP(dst=self.controlResolverAddr)/UDP() / \
+            DNS(rd=1, qd=DNSQR(qtype="A", qclass="IN", qname=self.hostname))
+        log.msg(
+            "Performing query to %s with %s:%s" %
+            (self.hostname,
+             self.controlResolverAddr,
+             self.controlResolverPort))
         yield self.sr1(question)
diff --git a/ooni/nettests/manipulation/http_header_field_manipulation.py b/ooni/nettests/manipulation/http_header_field_manipulation.py
index 3f1b4ed..8378924 100644
--- a/ooni/nettests/manipulation/http_header_field_manipulation.py
+++ b/ooni/nettests/manipulation/http_header_field_manipulation.py
@@ -13,6 +13,7 @@ from ooni.utils import log, net, randomStr
 from ooni.templates import httpt
 from ooni.utils.trueheaders import TrueHeaders
 
+
 def random_capitalization(string):
     output = ""
     original_string = string
@@ -27,22 +28,27 @@ def random_capitalization(string):
     else:
         return output
 
+
 class UsageOptions(usage.Options):
     optParameters = [
-            ['backend', 'b', None,
-                'URL of the backend to use for sending the requests'],
-            ['headers', 'h', None,
-                'Specify a yaml formatted file from which to read the request headers to send']
-            ]
+        ['backend', 'b', None,
+         'URL of the backend to use for sending the requests'],
+        ['headers', 'h', None,
+         'Specify a yaml formatted file from which to read '
+         'the request headers to send']
+        ]
+
 
 class HTTPHeaderFieldManipulation(httpt.HTTPTest):
+
     """
     It performes HTTP requests with request headers that vary capitalization
     towards a backend. If the headers reported by the server differ from
     the ones we sent, then we have detected tampering.
     """
     name = "HTTP Header Field Manipulation"
-    description = "Checks if the HTTP request the server sees is the same as the one that the client has created."
+    description = "Checks if the HTTP request the server " \
+                  "sees is the same as the one that the client has created."
     author = "Arturo Filastò"
     version = "0.1.4"
 
@@ -66,15 +72,20 @@ class HTTPHeaderFieldManipulation(httpt.HTTPTest):
             headers = yaml.safe_load(content)
             return headers
         else:
-            # XXX generate these from a random choice taken from whatheaders.com
+            # XXX generate these from a random choice taken from
+            # whatheaders.com
             # http://s3.amazonaws.com/data.whatheaders.com/whatheaders-latest.xml.zip
-            headers = {"User-Agent": [random.choice(net.userAgents)],
+            headers = {
+                "User-Agent": [
+                    random.choice(
+                        net.userAgents)],
                 "Accept": ["text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"],
                 "Accept-Encoding": ["gzip,deflate,sdch"],
                 "Accept-Language": ["en-US,en;q=0.8"],
                 "Accept-Charset": ["ISO-8859-1,utf-8;q=0.7,*;q=0.3"],
-                "Host": [randomStr(15)+'.com']
-            }
+                "Host": [
+                    randomStr(15) +
+                    '.com']}
             return headers
 
     def get_random_caps_headers(self):
@@ -143,20 +154,28 @@ class HTTPHeaderFieldManipulation(httpt.HTTPTest):
 
         request_headers = TrueHeaders(self.request_headers)
         diff = request_headers.getDiff(TrueHeaders(response_headers_dict),
-                ignore=['Connection'])
+                                       ignore=['Connection'])
         if diff:
             self.report['tampering']['header_field_name'] = True
         else:
             self.report['tampering']['header_field_name'] = False
         self.report['tampering']['header_name_diff'] = list(diff)
         log.msg("    total: %(total)s" % self.report['tampering'])
-        log.msg("    request_line_capitalization: %(request_line_capitalization)s" % self.report['tampering'])
-        log.msg("    header_name_capitalization: %(header_name_capitalization)s" % self.report['tampering'])
-        log.msg("    header_field_value: %(header_field_value)s" % self.report['tampering'])
-        log.msg("    header_field_number: %(header_field_number)s" % self.report['tampering'])
+        log.msg(
+            "    request_line_capitalization: %(request_line_capitalization)s" %
+            self.report['tampering'])
+        log.msg(
+            "    header_name_capitalization: %(header_name_capitalization)s" %
+            self.report['tampering'])
+        log.msg(
+            "    header_field_value: %(header_field_value)s" %
+            self.report['tampering'])
+        log.msg(
+            "    header_field_number: %(header_field_number)s" %
+            self.report['tampering'])
 
     def test_get_random_capitalization(self):
         self.request_method = random_capitalization("GET")
         self.request_headers = self.get_random_caps_headers()
         return self.doRequest(self.url, self.request_method,
-                headers=self.request_headers)
+                              headers=self.request_headers)
diff --git a/ooni/nettests/manipulation/http_host.py b/ooni/nettests/manipulation/http_host.py
index 7207c10..d0387cb 100644
--- a/ooni/nettests/manipulation/http_host.py
+++ b/ooni/nettests/manipulation/http_host.py
@@ -11,11 +11,12 @@ import json
 from twisted.internet import defer
 from twisted.python import usage
 
-from ooni.utils import randomStr, randomSTR
+from ooni.utils import randomStr
 
 from ooni.utils import log
 from ooni.templates import httpt
 
+
 class UsageOptions(usage.Options):
     optParameters = [['backend', 'b', None,
                       'URL of the test backend to use. Should be \
@@ -24,18 +25,21 @@ class UsageOptions(usage.Options):
                      ['content', 'c', None, 'The file to read \
                             from containing the content of a block page']]
 
+
 class HTTPHost(httpt.HTTPTest):
+
     """
     This test performs various manipulations of the HTTP Host header field and
     attempts to detect which filter bypassing strategies will work against the
     censor.
 
     Usually this test should be run with a list of sites that are known to be
-    blocked inside of a particular network to assess which filter evasion strategies
-    will work.
+    blocked inside of a particular network to assess which filter evasion
+    strategies will work.
     """
     name = "HTTP Host"
-    description = "Tests a variety of different filter bypassing techniques based on the HTTP Host header field."
+    description = "Tests a variety of different filter bypassing techniques " \
+                  "based on the HTTP Host header field."
     author = "Arturo Filastò"
     version = "0.2.4"
 
@@ -43,13 +47,13 @@ class HTTPHost(httpt.HTTPTest):
     usageOptions = UsageOptions
 
     inputFile = ['file', 'f', None,
-            'List of hostnames to test for censorship']
+                 'List of hostnames to test for censorship']
 
     requiredTestHelpers = {'backend': 'http-return-json-headers'}
     requiredOptions = ['backend']
     requiresTor = False
     requiresRoot = False
-    
+
     def setUp(self):
         self.report['transparent_http_proxy'] = False
 
@@ -81,7 +85,8 @@ class HTTPHost(httpt.HTTPTest):
                 'request_line' in content and \
                 'headers_dict' in content:
             log.msg("Found the keys I expected in %s" % content)
-            self.report['transparent_http_proxy'] = self.report['transparent_http_proxy'] | False
+            self.report['transparent_http_proxy'] = self.report[
+                'transparent_http_proxy'] | False
             self.report[test_name] = False
         else:
             log.msg("Did not find the keys I expected in %s" % content)
@@ -91,7 +96,7 @@ class HTTPHost(httpt.HTTPTest):
                 censorship_page = open(self.localOptions['content'])
                 response_page = iter(body.split("\n"))
 
-                for censorship_line in censorship_page.xreadlines():
+                for censorship_line in censorship_page:
                     response_line = response_page.next()
                     if response_line != censorship_line:
                         self.report[test_name] = False
@@ -104,7 +109,8 @@ class HTTPHost(httpt.HTTPTest):
         test_name = sys._getframe().f_code.co_name.replace('test_', '')
         headers = {}
         headers["Host"] = [self.input]
-        response = yield self.doRequest(self.localOptions['backend'], method="\nGET",
+        response = yield self.doRequest(self.localOptions['backend'],
+                                        method="\nGET",
                                         headers=headers)
         self.check_for_censorship(response.body, test_name)
 
@@ -159,4 +165,5 @@ class HTTPHost(httpt.HTTPTest):
             for x in fp.readlines():
                 yield x.strip().split('//')[-1].split('/')[0]
             fp.close()
-        else: pass
+        else:
+            pass
diff --git a/ooni/nettests/manipulation/http_invalid_request_line.py b/ooni/nettests/manipulation/http_invalid_request_line.py
index 6769269..b6ce2da 100644
--- a/ooni/nettests/manipulation/http_invalid_request_line.py
+++ b/ooni/nettests/manipulation/http_invalid_request_line.py
@@ -5,12 +5,17 @@ from ooni.utils import log
 from ooni.utils import randomStr, randomSTR
 from ooni.templates import tcpt
 
+
 class UsageOptions(usage.Options):
-    optParameters = [['backend', 'b', None,
-                        'The OONI backend that runs a TCP echo server'],
-                    ['backendport', 'p', 80, 'Specify the port that the TCP echo server is running (should only be set for debugging)']]
+    optParameters = [
+        ['backend', 'b', None, 'The OONI backend that runs a TCP echo server'],
+        ['backendport', 'p', 80,
+         'Specify the port that the TCP echo server is running '
+         '(should only be set for debugging)']]
+
 
 class HTTPInvalidRequestLine(tcpt.TCPTest):
+
     """
     The goal of this test is to do some very basic and not very noisy fuzzing
     on the HTTP request line. We generate a series of requests that are not
@@ -20,7 +25,8 @@ class HTTPInvalidRequestLine(tcpt.TCPTest):
     ascii letters or numbers ('XxXx' will be 4).
     """
     name = "HTTP Invalid Request Line"
-    description = "Performs out of spec HTTP requests in the attempt to trigger a proxy error message."
+    description = "Performs out of spec HTTP requests in the attempt to "\
+                  "trigger a proxy error message."
     version = "0.2"
     authors = "Arturo Filastò"
 
@@ -109,4 +115,3 @@ class HTTPInvalidRequestLine(tcpt.TCPTest):
         d = self.sendPayload(payload)
         d.addCallback(self.check_for_manipulation, payload)
         return d
-
diff --git a/ooni/nettests/manipulation/traceroute.py b/ooni/nettests/manipulation/traceroute.py
index c6e167c..a561281 100644
--- a/ooni/nettests/manipulation/traceroute.py
+++ b/ooni/nettests/manipulation/traceroute.py
@@ -1,30 +1,32 @@
 # -*- encoding: utf-8 -*-
 
 from twisted.python import usage
-from twisted.internet import defer, reactor
 
 from ooni.templates import scapyt
-from itertools import chain
 
-from scapy.all import *
-
-from ooni.utils import log
 from ooni.utils.txscapy import MPTraceroute
 from ooni.settings import config
 
+
 class UsageOptions(usage.Options):
     optParameters = [
                     ['backend', 'b', None, 'Test backend to use'],
                     ['timeout', 't', 5, 'The timeout for the traceroute test'],
-                    ['maxttl', 'm', 30, 'The maximum value of ttl to set on packets'],
-                    ['dstport', 'd', None, 'Specify a single destination port. May be repeated.'],
-                    ['interval', 'i', None, 'Specify the inter-packet delay in seconds'],
-                    ['numPackets', 'n', None, 'Specify the number of packets to send per hop'],
-                    ]
+                    ['maxttl', 'm', 30,
+                     'The maximum value of ttl to set on packets'],
+                    ['dstport', 'd', None,
+                     'Specify a single destination port. May be repeated.'],
+                    ['interval', 'i', None,
+                     'Specify the inter-packet delay in seconds'],
+                    ['numPackets', 'n', None,
+                     'Specify the number of packets to send per hop'],
+        ]
+
 
 class Traceroute(scapyt.BaseScapyTest):
     name = "Traceroute"
-    description = "Performs a UDP, TCP, ICMP traceroute with destination port number set to 0, 22, 23, 53, 80, 123, 443, 8080 and 65535"
+    description = "Performs a UDP, TCP, ICMP traceroute with destination port number "\
+                  "set to 0, 22, 23, 53, 80, 123, 443, 8080 and 65535"
 
     requiredTestHelpers = {'backend': 'traceroute'}
     requiresRoot = True
@@ -45,8 +47,10 @@ class Traceroute(scapyt.BaseScapyTest):
 
         config.scapyFactory.registerProtocol(self.st)
 
-        self.report['test_tcp_traceroute'] = dict([('hops_%d' % d,[]) for d in self.dst_ports])
-        self.report['test_udp_traceroute'] = dict([('hops_%d' % d,[]) for d in self.dst_ports])
+        self.report['test_tcp_traceroute'] = dict(
+            [('hops_%d' % d, []) for d in self.dst_ports])
+        self.report['test_udp_traceroute'] = dict(
+            [('hops_%d' % d, []) for d in self.dst_ports])
         self.report['test_icmp_traceroute'] = {'hops': []}
 
     def test_icmp_traceroute(self):
@@ -70,25 +74,26 @@ class Traceroute(scapyt.BaseScapyTest):
                 self.report['answered_packets'].extend(packet)
 
             for ttl in xrange(self.st.ttl_min, self.st.ttl_max):
-                matchedPackets = filter(lambda x: x.ttl == ttl, self.st.matched_packets.keys())
+                matchedPackets = filter(
+                    lambda x: x.ttl == ttl,
+                    self.st.matched_packets.keys())
                 for packet in matchedPackets:
                     for response in self.st.matched_packets[packet]:
                         self.addToReport(packet, response)
         return self.report
 
     def addToReport(self, packet, response):
-        p = {6: 'tcp', 17: 'udp', 1: 'icmp'}
         if packet.proto == 1:
-            self.report['test_icmp_traceroute']['hops'].append({'ttl': packet.ttl, 
-                                                                'rtt': response.time - packet.time,
-                                                                'address': response.src})
+            self.report['test_icmp_traceroute']['hops'].append(
+                {'ttl': packet.ttl, 'rtt': response.time - packet.time,
+                 'address': response.src})
         elif packet.proto == 6:
-            self.report['test_tcp_traceroute']['hops_%s' % packet.dport].append({'ttl': packet.ttl,
-                                                                                 'rtt': response.time - packet.time,
-                                                                                 'address': response.src,
-                                                                                 'sport': response.sport})
+            self.report['test_tcp_traceroute'][
+                'hops_%s' % packet.dport].append(
+                {'ttl': packet.ttl, 'rtt': response.time - packet.time,
+                 'address': response.src, 'sport': response.sport})
         else:
-            self.report['test_udp_traceroute']['hops_%s' % packet.dport].append({'ttl': packet.ttl,
-                                                                                 'rtt': response.time - packet.time,
-                                                                                 'address': response.src,
-                                                                                 'sport': response.sport})
+            self.report['test_udp_traceroute'][
+                'hops_%s' % packet.dport].append(
+                {'ttl': packet.ttl, 'rtt': response.time - packet.time,
+                 'address': response.src, 'sport': response.sport})



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