Here is a linux version of your script

twitch-viewer-linux.py

@@ -0,0 +1,126 @@
+'''
+Copyright 2015 ohyou
+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 requests
+import subprocess
+import json
+import sys
+import multiprocessing
+import time
+import random
+
+channel_url = "twitch.tv/"
+processes = []
+
+
+def get_channel():
+    # Reading the channel name - passed as an argument to this script
+    if len(sys.argv) >= 2:
+        global channel_url
+        channel_url += sys.argv[1]
+    else:
+        print "An error has occurred while trying to read arguments. Did you specify the channel?"
+        sys.exit(1)
+
+
+def get_proxies():
+    # Reading the list of proxies
+    try:
+        lines = [line.rstrip("\n") for line in open("proxylist.txt")]
+    except IOError as e:
+        print "An error has occurred while trying to read the list of proxies: %s" % e.strerror
+        sys.exit(1)
+
+    return lines
+
+
+def get_url():
+    # Getting the json with all data regarding the stream
+    try:
+        response = subprocess.Popen(
+            ["livestreamer","--yes-run-as-root", "Client-ID=ewvlchtxgqq88ru9gmfp1gmyt6h2b93", 
+            channel_url, "-j"], stdout=subprocess.PIPE).communicate()[0]
+    except subprocess.CalledProcessError:
+        print "An error has occurred while trying to get the stream data. Is the channel online? Is the channel name correct?"
+        sys.exit(1)
+    except OSError:
+        print "An error has occurred while trying to use livestreamer package. Is it installed? Do you have Python in your PATH variable?"
+
+    # Decoding the url to the worst quality of the stream
+    try:
+        url = json.loads(response)['streams']['audio']['url']
+    except (ValueError, KeyError):
+        print "An error has occurred while trying to get the stream data. Is the channel online? Is the channel name correct?"
+        sys.exit(1)
+
+    return url
+
+
+def open_url(url, proxy):
+    # Sending HEAD requests
+    while True:
+        try:
+            with requests.Session() as s:
+                response = s.head(url, proxies=proxy)
+            print "Sent HEAD request with %s" % proxy["http"]
+            time.sleep(20)
+        except requests.exceptions.Timeout:
+            print "  Timeout error for %s" % proxy["http"]
+        except requests.exceptions.ConnectionError:
+            print "  Connection error for %s" % proxy["http"]
+
+
+def prepare_processes():
+    global processes
+    proxies = get_proxies()
+    n = 0
+
+    if len(proxies) < 1:
+        print "An error has occurred while preparing the process: Not enough proxy servers. Need at least 1 to function."
+        sys.exit(1)
+
+    for proxy in proxies:
+        # Preparing the process and giving it its own proxy
+        processes.append(
+            multiprocessing.Process(
+                target=open_url, kwargs={
+                    "url": get_url(), "proxy": {
+                        "http": proxy}}))
+
+        print '.',
+
+    print ''
+
+if __name__ == "__main__":
+    print "Obtaining the channel..."
+    get_channel()
+    print "Obtained the channel"
+    print "Preparing the processes..."
+    prepare_processes()
+    print "Prepared the processes"
+    print "Booting up the processes..."
+
+    # Timer multiplier
+    n = 8
+
+    # Starting up the processes
+    for process in processes:
+        time.sleep(random.randint(1, 5) * n)
+        process.daemon = True
+        process.start()
+        if n > 1:
+            n -= 1
+
+    # Running infinitely
+    while True:
+        time.sleep(1)