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speed.py
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speed.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2012 Matt Martz
# All Rights Reserved.
#
#Licensed under the Apache License, Version 2.0 (the "License"); you may
#not use this file except in compliance with the License. You may obtain
#a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
#Unless required by applicable law or agreed to in writing, software
#distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#License for the specific language governing permissions and limitations
#under the License.
import csv
import datetime
import errno
import math
import os
import platform
import re
import signal
import socket
import sys
import threading
import timeit
import xml.parsers.expat
try:
import gzip
GZIP_BASE = gzip.GzipFile
except ImportError:
gzip = None
GZIP_BASE = object
__version__ = '2.1.4b1'
class FakeShutdownEvent(object):
"""Class to fake a threading.Event.isSet so that users of this module
are not required to register their own threading.Event()
"""
@staticmethod
def isSet():
"Dummy method to always return false"""
return False
is_set = isSet
# Some global variables we use
DEBUG = False
_GLOBAL_DEFAULT_TIMEOUT = object()
PY25PLUS = sys.version_info[:2] >= (2, 5)
PY26PLUS = sys.version_info[:2] >= (2, 6)
PY32PLUS = sys.version_info[:2] >= (3, 2)
PY310PLUS = sys.version_info[:2] >= (3, 10)
# Begin import game to handle Python 2 and Python 3
try:
import json
except ImportError:
try:
import simplejson as json
except ImportError:
json = None
try:
import xml.etree.ElementTree as ET
try:
from xml.etree.ElementTree import _Element as ET_Element
except ImportError:
pass
except ImportError:
from xml.dom import minidom as DOM
from xml.parsers.expat import ExpatError
ET = None
try:
from urllib2 import (urlopen, Request, HTTPError, URLError,
AbstractHTTPHandler, ProxyHandler,
HTTPDefaultErrorHandler, HTTPRedirectHandler,
HTTPErrorProcessor, OpenerDirector)
except ImportError:
from urllib.request import (urlopen, Request, HTTPError, URLError,
AbstractHTTPHandler, ProxyHandler,
HTTPDefaultErrorHandler, HTTPRedirectHandler,
HTTPErrorProcessor, OpenerDirector)
try:
from httplib import HTTPConnection, BadStatusLine
except ImportError:
from http.client import HTTPConnection, BadStatusLine
try:
from httplib import HTTPSConnection
except ImportError:
try:
from http.client import HTTPSConnection
except ImportError:
HTTPSConnection = None
try:
from httplib import FakeSocket
except ImportError:
FakeSocket = None
try:
from Queue import Queue
except ImportError:
from queue import Queue
try:
from urlparse import urlparse
except ImportError:
from urllib.parse import urlparse
try:
from urlparse import parse_qs
except ImportError:
try:
from urllib.parse import parse_qs
except ImportError:
from cgi import parse_qs
try:
from hashlib import md5
except ImportError:
from md5 import md5
try:
from argparse import ArgumentParser as ArgParser
from argparse import SUPPRESS as ARG_SUPPRESS
PARSER_TYPE_INT = int
PARSER_TYPE_STR = str
PARSER_TYPE_FLOAT = float
except ImportError:
from optparse import OptionParser as ArgParser
from optparse import SUPPRESS_HELP as ARG_SUPPRESS
PARSER_TYPE_INT = 'int'
PARSER_TYPE_STR = 'string'
PARSER_TYPE_FLOAT = 'float'
try:
from cStringIO import StringIO
BytesIO = None
except ImportError:
try:
from StringIO import StringIO
BytesIO = None
except ImportError:
from io import StringIO, BytesIO
try:
import __builtin__
except ImportError:
import builtins
from io import TextIOWrapper, FileIO
class _Py3Utf8Output(TextIOWrapper):
"""UTF-8 encoded wrapper around stdout for py3, to override
ASCII stdout
"""
def __init__(self, f, **kwargs):
buf = FileIO(f.fileno(), 'w')
super(_Py3Utf8Output, self).__init__(
buf,
encoding='utf8',
errors='strict'
)
def write(self, s):
super(_Py3Utf8Output, self).write(s)
self.flush()
_py3_print = getattr(builtins, 'print')
try:
_py3_utf8_stdout = _Py3Utf8Output(sys.stdout)
_py3_utf8_stderr = _Py3Utf8Output(sys.stderr)
except OSError:
# sys.stdout/sys.stderr is not a compatible stdout/stderr object
# just use it and hope things go ok
_py3_utf8_stdout = sys.stdout
_py3_utf8_stderr = sys.stderr
def to_utf8(v):
"""No-op encode to utf-8 for py3"""
return v
def print_(*args, **kwargs):
"""Wrapper function for py3 to print, with a utf-8 encoded stdout"""
if kwargs.get('file') == sys.stderr:
kwargs['file'] = _py3_utf8_stderr
else:
kwargs['file'] = kwargs.get('file', _py3_utf8_stdout)
_py3_print(*args, **kwargs)
else:
del __builtin__
def to_utf8(v):
"""Encode value to utf-8 if possible for py2"""
try:
return v.encode('utf8', 'strict')
except AttributeError:
return v
def print_(*args, **kwargs):
"""The new-style print function for Python 2.4 and 2.5.
Taken from https://pypi.python.org/pypi/six/
Modified to set encoding to UTF-8 always, and to flush after write
"""
fp = kwargs.pop("file", sys.stdout)
if fp is None:
return
def write(data):
if not isinstance(data, basestring):
data = str(data)
# If the file has an encoding, encode unicode with it.
encoding = 'utf8' # Always trust UTF-8 for output
if (isinstance(fp, file) and
isinstance(data, unicode) and
encoding is not None):
errors = getattr(fp, "errors", None)
if errors is None:
errors = "strict"
data = data.encode(encoding, errors)
fp.write(data)
fp.flush()
want_unicode = False
sep = kwargs.pop("sep", None)
if sep is not None:
if isinstance(sep, unicode):
want_unicode = True
elif not isinstance(sep, str):
raise TypeError("sep must be None or a string")
end = kwargs.pop("end", None)
if end is not None:
if isinstance(end, unicode):
want_unicode = True
elif not isinstance(end, str):
raise TypeError("end must be None or a string")
if kwargs:
raise TypeError("invalid keyword arguments to print()")
if not want_unicode:
for arg in args:
if isinstance(arg, unicode):
want_unicode = True
break
if want_unicode:
newline = unicode("\n")
space = unicode(" ")
else:
newline = "\n"
space = " "
if sep is None:
sep = space
if end is None:
end = newline
for i, arg in enumerate(args):
if i:
write(sep)
write(arg)
write(end)
# Exception "constants" to support Python 2 through Python 3
try:
import ssl
try:
CERT_ERROR = (ssl.CertificateError,)
except AttributeError:
CERT_ERROR = tuple()
HTTP_ERRORS = (
(HTTPError, URLError, socket.error, ssl.SSLError, BadStatusLine) +
CERT_ERROR
)
except ImportError:
ssl = None
HTTP_ERRORS = (HTTPError, URLError, socket.error, BadStatusLine)
if PY32PLUS:
etree_iter = ET.Element.iter
elif PY25PLUS:
etree_iter = ET_Element.getiterator
if PY26PLUS:
thread_is_alive = threading.Thread.is_alive
else:
thread_is_alive = threading.Thread.isAlive
def event_is_set(event):
try:
return event.is_set()
except AttributeError:
return event.isSet()
class SpeedtestException(Exception):
"""Base exception for this module"""
class SpeedtestCLIError(SpeedtestException):
"""Generic exception for raising errors during CLI operation"""
class SpeedtestHTTPError(SpeedtestException):
"""Base HTTP exception for this module"""
class SpeedtestConfigError(SpeedtestException):
"""Configuration XML is invalid"""
class SpeedtestServersError(SpeedtestException):
"""Servers XML is invalid"""
class ConfigRetrievalError(SpeedtestHTTPError):
"""Could not retrieve config.php"""
class ServersRetrievalError(SpeedtestHTTPError):
"""Could not retrieve speedtest-servers.php"""
class InvalidServerIDType(SpeedtestException):
"""Server ID used for filtering was not an integer"""
class NoMatchedServers(SpeedtestException):
"""No servers matched when filtering"""
class SpeedtestMiniConnectFailure(SpeedtestException):
"""Could not connect to the provided speedtest mini server"""
class InvalidSpeedtestMiniServer(SpeedtestException):
"""Server provided as a speedtest mini server does not actually appear
to be a speedtest mini server
"""
class ShareResultsConnectFailure(SpeedtestException):
"""Could not connect to speedtest.net API to POST results"""
class ShareResultsSubmitFailure(SpeedtestException):
"""Unable to successfully POST results to speedtest.net API after
connection
"""
class SpeedtestUploadTimeout(SpeedtestException):
"""testlength configuration reached during upload
Used to ensure the upload halts when no additional data should be sent
"""
class SpeedtestBestServerFailure(SpeedtestException):
"""Unable to determine best server"""
class SpeedtestMissingBestServer(SpeedtestException):
"""get_best_server not called or not able to determine best server"""
def create_connection(address, timeout=_GLOBAL_DEFAULT_TIMEOUT,
source_address=None):
"""Connect to *address* and return the socket object.
Convenience function. Connect to *address* (a 2-tuple ``(host,
port)``) and return the socket object. Passing the optional
*timeout* parameter will set the timeout on the socket instance
before attempting to connect. If no *timeout* is supplied, the
global default timeout setting returned by :func:`getdefaulttimeout`
is used. If *source_address* is set it must be a tuple of (host, port)
for the socket to bind as a source address before making the connection.
An host of '' or port 0 tells the OS to use the default.
Largely vendored from Python 2.7, modified to work with Python 2.4
"""
host, port = address
err = None
for res in socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
sock = None
try:
sock = socket.socket(af, socktype, proto)
if timeout is not _GLOBAL_DEFAULT_TIMEOUT:
sock.settimeout(float(timeout))
if source_address:
sock.bind(source_address)
sock.connect(sa)
return sock
except socket.error:
err = get_exception()
if sock is not None:
sock.close()
if err is not None:
raise err
else:
raise socket.error("getaddrinfo returns an empty list")
class SpeedtestHTTPConnection(HTTPConnection):
"""Custom HTTPConnection to support source_address across
Python 2.4 - Python 3
"""
def __init__(self, *args, **kwargs):
source_address = kwargs.pop('source_address', None)
timeout = kwargs.pop('timeout', 10)
self._tunnel_host = None
HTTPConnection.__init__(self, *args, **kwargs)
self.source_address = source_address
self.timeout = timeout
def connect(self):
"""Connect to the host and port specified in __init__."""
try:
self.sock = socket.create_connection(
(self.host, self.port),
self.timeout,
self.source_address
)
except (AttributeError, TypeError):
self.sock = create_connection(
(self.host, self.port),
self.timeout,
self.source_address
)
if self._tunnel_host:
self._tunnel()
if HTTPSConnection:
class SpeedtestHTTPSConnection(HTTPSConnection):
"""Custom HTTPSConnection to support source_address across
Python 2.4 - Python 3
"""
default_port = 443
def __init__(self, *args, **kwargs):
source_address = kwargs.pop('source_address', None)
timeout = kwargs.pop('timeout', 10)
self._tunnel_host = None
HTTPSConnection.__init__(self, *args, **kwargs)
self.timeout = timeout
self.source_address = source_address
def connect(self):
"Connect to a host on a given (SSL) port."
try:
self.sock = socket.create_connection(
(self.host, self.port),
self.timeout,
self.source_address
)
except (AttributeError, TypeError):
self.sock = create_connection(
(self.host, self.port),
self.timeout,
self.source_address
)
if self._tunnel_host:
self._tunnel()
if ssl:
try:
kwargs = {}
if hasattr(ssl, 'SSLContext'):
if self._tunnel_host:
kwargs['server_hostname'] = self._tunnel_host
else:
kwargs['server_hostname'] = self.host
self.sock = self._context.wrap_socket(self.sock, **kwargs)
except AttributeError:
self.sock = ssl.wrap_socket(self.sock)
try:
self.sock.server_hostname = self.host
except AttributeError:
pass
elif FakeSocket:
# Python 2.4/2.5 support
try:
self.sock = FakeSocket(self.sock, socket.ssl(self.sock))
except AttributeError:
raise SpeedtestException(
'This version of Python does not support HTTPS/SSL '
'functionality'
)
else:
raise SpeedtestException(
'This version of Python does not support HTTPS/SSL '
'functionality'
)
def _build_connection(connection, source_address, timeout, context=None):
"""Cross Python 2.4 - Python 3 callable to build an ``HTTPConnection`` or
``HTTPSConnection`` with the args we need
Called from ``http(s)_open`` methods of ``SpeedtestHTTPHandler`` or
``SpeedtestHTTPSHandler``
"""
def inner(host, **kwargs):
kwargs.update({
'source_address': source_address,
'timeout': timeout
})
if context:
kwargs['context'] = context
return connection(host, **kwargs)
return inner
class SpeedtestHTTPHandler(AbstractHTTPHandler):
"""Custom ``HTTPHandler`` that can build a ``HTTPConnection`` with the
args we need for ``source_address`` and ``timeout``
"""
def __init__(self, debuglevel=0, source_address=None, timeout=10):
AbstractHTTPHandler.__init__(self, debuglevel)
self.source_address = source_address
self.timeout = timeout
def http_open(self, req):
return self.do_open(
_build_connection(
SpeedtestHTTPConnection,
self.source_address,
self.timeout
),
req
)
http_request = AbstractHTTPHandler.do_request_
class SpeedtestHTTPSHandler(AbstractHTTPHandler):
"""Custom ``HTTPSHandler`` that can build a ``HTTPSConnection`` with the
args we need for ``source_address`` and ``timeout``
"""
def __init__(self, debuglevel=0, context=None, source_address=None,
timeout=10):
AbstractHTTPHandler.__init__(self, debuglevel)
self._context = context
self.source_address = source_address
self.timeout = timeout
def https_open(self, req):
return self.do_open(
_build_connection(
SpeedtestHTTPSConnection,
self.source_address,
self.timeout,
context=self._context,
),
req
)
https_request = AbstractHTTPHandler.do_request_
def build_opener(source_address=None, timeout=10):
"""Function similar to ``urllib2.build_opener`` that will build
an ``OpenerDirector`` with the explicit handlers we want,
``source_address`` for binding, ``timeout`` and our custom
`User-Agent`
"""
printer('Timeout set to %d' % timeout, debug=True)
if source_address:
source_address_tuple = (source_address, 0)
printer('Binding to source address: %r' % (source_address_tuple,),
debug=True)
else:
source_address_tuple = None
handlers = [
ProxyHandler(),
SpeedtestHTTPHandler(source_address=source_address_tuple,
timeout=timeout),
SpeedtestHTTPSHandler(source_address=source_address_tuple,
timeout=timeout),
HTTPDefaultErrorHandler(),
HTTPRedirectHandler(),
HTTPErrorProcessor()
]
opener = OpenerDirector()
opener.addheaders = [('User-agent', build_user_agent())]
for handler in handlers:
opener.add_handler(handler)
return opener
class GzipDecodedResponse(GZIP_BASE):
"""A file-like object to decode a response encoded with the gzip
method, as described in RFC 1952.
Largely copied from ``xmlrpclib``/``xmlrpc.client`` and modified
to work for py2.4-py3
"""
def __init__(self, response):
# response doesn't support tell() and read(), required by
# GzipFile
if not gzip:
raise SpeedtestHTTPError('HTTP response body is gzip encoded, '
'but gzip support is not available')
IO = BytesIO or StringIO
self.io = IO()
while 1:
chunk = response.read(1024)
if len(chunk) == 0:
break
self.io.write(chunk)
self.io.seek(0)
gzip.GzipFile.__init__(self, mode='rb', fileobj=self.io)
def close(self):
try:
gzip.GzipFile.close(self)
finally:
self.io.close()
def get_exception():
"""Helper function to work with py2.4-py3 for getting the current
exception in a try/except block
"""
return sys.exc_info()[1]
def distance(origin, destination):
"""Determine distance between 2 sets of [lat,lon] in km"""
lat1, lon1 = origin
lat2, lon2 = destination
radius = 6371 # km
dlat = math.radians(lat2 - lat1)
dlon = math.radians(lon2 - lon1)
a = (math.sin(dlat / 2) * math.sin(dlat / 2) +
math.cos(math.radians(lat1)) *
math.cos(math.radians(lat2)) * math.sin(dlon / 2) *
math.sin(dlon / 2))
c = 2 * math.atan2(math.sqrt(a), math.sqrt(1 - a))
d = radius * c
return d
def build_user_agent():
"""Build a Mozilla/5.0 compatible User-Agent string"""
ua_tuple = (
'Mozilla/5.0',
'(%s; U; %s; en-us)' % (platform.platform(),
platform.architecture()[0]),
'Python/%s' % platform.python_version(),
'(KHTML, like Gecko)',
'speedtest-cli/%s' % __version__
)
user_agent = ' '.join(ua_tuple)
printer('User-Agent: %s' % user_agent, debug=True)
return user_agent
def build_request(url, data=None, headers=None, bump='0', secure=False):
"""Build a urllib2 request object
This function automatically adds a User-Agent header to all requests
"""
if not headers:
headers = {}
if url[0] == ':':
scheme = ('http', 'https')[bool(secure)]
schemed_url = '%s%s' % (scheme, url)
else:
schemed_url = url
if '?' in url:
delim = '&'
else:
delim = '?'
# WHO YOU GONNA CALL? CACHE BUSTERS!
final_url = '%s%sx=%s.%s' % (schemed_url, delim,
int(timeit.time.time() * 1000),
bump)
headers.update({
'Cache-Control': 'no-cache',
})
printer('%s %s' % (('GET', 'POST')[bool(data)], final_url),
debug=True)
return Request(final_url, data=data, headers=headers)
def catch_request(request, opener=None):
"""Helper function to catch common exceptions encountered when
establishing a connection with a HTTP/HTTPS request
"""
if opener:
_open = opener.open
else:
_open = urlopen
try:
uh = _open(request)
if request.get_full_url() != uh.geturl():
printer('Redirected to %s' % uh.geturl(), debug=True)
return uh, False
except HTTP_ERRORS:
e = get_exception()
return None, e
def get_response_stream(response):
"""Helper function to return either a Gzip reader if
``Content-Encoding`` is ``gzip`` otherwise the response itself
"""
try:
getheader = response.headers.getheader
except AttributeError:
getheader = response.getheader
if getheader('content-encoding') == 'gzip':
return GzipDecodedResponse(response)
return response
def get_attributes_by_tag_name(dom, tag_name):
"""Retrieve an attribute from an XML document and return it in a
consistent format
Only used with xml.dom.minidom, which is likely only to be used
with python versions older than 2.5
"""
elem = dom.getElementsByTagName(tag_name)[0]
return dict(list(elem.attributes.items()))
def print_dots(shutdown_event):
"""Built in callback function used by Thread classes for printing
status
"""
def inner(current, total, start=False, end=False):
if event_is_set(shutdown_event):
return
sys.stdout.write('.')
if current + 1 == total and end is True:
sys.stdout.write('\n')
sys.stdout.flush()
return inner
def do_nothing(*args, **kwargs):
pass
class HTTPDownloader(threading.Thread):
"""Thread class for retrieving a URL"""
def __init__(self, i, request, start, timeout, opener=None,
shutdown_event=None):
threading.Thread.__init__(self)
self.request = request
self.result = [0]
self.starttime = start
self.timeout = timeout
self.i = i
if opener:
self._opener = opener.open
else:
self._opener = urlopen
if shutdown_event:
self._shutdown_event = shutdown_event
else:
self._shutdown_event = FakeShutdownEvent()
def run(self):
try:
if (timeit.default_timer() - self.starttime) <= self.timeout:
f = self._opener(self.request)
while (not event_is_set(self._shutdown_event) and
(timeit.default_timer() - self.starttime) <=
self.timeout):
self.result.append(len(f.read(10240)))
if self.result[-1] == 0:
break
f.close()
except IOError:
pass
except HTTP_ERRORS:
pass
class HTTPUploaderData(object):
"""File like object to improve cutting off the upload once the timeout
has been reached
"""
def __init__(self, length, start, timeout, shutdown_event=None):
self.length = length
self.start = start
self.timeout = timeout
if shutdown_event:
self._shutdown_event = shutdown_event
else:
self._shutdown_event = FakeShutdownEvent()
self._data = None
self.total = [0]
def pre_allocate(self):
chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'
multiplier = int(round(int(self.length) / 36.0))
IO = BytesIO or StringIO
try:
self._data = IO(
('content1=%s' %
(chars * multiplier)[0:int(self.length) - 9]
).encode()
)
except MemoryError:
raise SpeedtestCLIError(
'Insufficient memory to pre-allocate upload data. Please '
'use --no-pre-allocate'
)
@property
def data(self):
if not self._data:
self.pre_allocate()
return self._data
def read(self, n=10240):
if ((timeit.default_timer() - self.start) <= self.timeout and
not event_is_set(self._shutdown_event)):
chunk = self.data.read(n)
self.total.append(len(chunk))
return chunk
else:
raise SpeedtestUploadTimeout()
def __len__(self):
return self.length
class HTTPUploader(threading.Thread):
"""Thread class for putting a URL"""
def __init__(self, i, request, start, size, timeout, opener=None,
shutdown_event=None):
threading.Thread.__init__(self)
self.request = request
self.request.data.start = self.starttime = start
self.size = size
self.result = 0
self.timeout = timeout
self.i = i
if opener:
self._opener = opener.open
else:
self._opener = urlopen
if shutdown_event:
self._shutdown_event = shutdown_event
else:
self._shutdown_event = FakeShutdownEvent()
def run(self):
request = self.request
try:
if ((timeit.default_timer() - self.starttime) <= self.timeout and
not event_is_set(self._shutdown_event)):
try:
f = self._opener(request)
except TypeError:
# PY24 expects a string or buffer
# This also causes issues with Ctrl-C, but we will concede
# for the moment that Ctrl-C on PY24 isn't immediate
request = build_request(self.request.get_full_url(),
data=request.data.read(self.size))
f = self._opener(request)
f.read(11)
f.close()
self.result = sum(self.request.data.total)
else:
self.result = 0
except (IOError, SpeedtestUploadTimeout):
self.result = sum(self.request.data.total)
except HTTP_ERRORS:
self.result = 0
class SpeedtestResults(object):
"""Class for holding the results of a speedtest, including:
Download speed
Upload speed
Ping/Latency to test server
Data about server that the test was run against
Additionally this class can return a result data as a dictionary or CSV,
as well as submit a POST of the result data to the speedtest.net API
to get a share results image link.
"""
def __init__(self, download=0, upload=0, ping=0, server=None, client=None,
opener=None, secure=False):
self.download = download
self.upload = upload
self.ping = ping
if server is None:
self.server = {}
else:
self.server = server
self.client = client or {}
self._share = None
self.timestamp = '%sZ' % datetime.datetime.utcnow().isoformat()
self.bytes_received = 0
self.bytes_sent = 0
if opener:
self._opener = opener
else:
self._opener = build_opener()
self._secure = secure
def __repr__(self):
return repr(self.dict())
def share(self):
"""POST data to the speedtest.net API to obtain a share results
link
"""
if self._share:
return self._share
download = int(round(self.download / 1000.0, 0))
ping = int(round(self.ping, 0))
upload = int(round(self.upload / 1000.0, 0))
# Build the request to send results back to speedtest.net
# We use a list instead of a dict because the API expects parameters
# in a certain order
api_data = [
'recommendedserverid=%s' % self.server['id'],
'ping=%s' % ping,
'screenresolution=',
'promo=',
'download=%s' % download,
'screendpi=',
'upload=%s' % upload,
'testmethod=http',
'hash=%s' % md5(('%s-%s-%s-%s' %
(ping, upload, download, '297aae72'))
.encode()).hexdigest(),