formatting and minor fixes on scripts

scripts/create_network.py

@@ -8,7 +8,10 @@
 # Thanks to Paul Cannon for IP-address resolution functions (taken from aspn.activestate.com)
 
 import argparse
-import os, sys, time, signal
+import os
+import sys
+import time
+import signal
 
 amount = 0
 
@@ -18,8 +21,8 @@ def destroyNetwork(nodes):
     i = 0
     for node in nodes:
         i += 1
-        hashAmount = i*50/amount
-        hashbar = '#'*hashAmount
+        hashAmount = i * 50 / amount
+        hashbar = '#' * hashAmount
         output = '\r[%-50s] %d/%d' % (hashbar, i, amount)
         sys.stdout.write(output)
         time.sleep(0.15)
@@ -28,7 +31,6 @@ def destroyNetwork(nodes):
 
 
 def main():
-
     parser = argparse.ArgumentParser(description="Launch a network of dht nodes")
 
     parser.add_argument("amount_of_nodes",
@@ -53,17 +55,17 @@ def main():
         print 'Network interface IP address omitted; using %s' % ipAddress
 
     startPort = 4000
-    port = startPort+1
+    port = startPort + 1
     nodes = []
     print 'Creating Kademlia network'
     try:
         node = os.spawnlp(
             os.P_NOWAIT, 'lbrynet-launch-node', 'lbrynet-launch-node', str(startPort))
         nodes.append(node)
-        for i in range(amount-1):
+        for i in range(amount - 1):
             time.sleep(0.15)
-            hashAmount = i*50/amount
-            hashbar = '#'*hashAmount
+            hashAmount = i * 50 / amount
+            hashbar = '#' * hashAmount
             output = '\r[%-50s] %d/%d' % (hashbar, i, amount)
             sys.stdout.write(output)
             node = os.spawnlp(
@@ -85,5 +87,6 @@ def main():
     finally:
         destroyNetwork(nodes)
 
+
 if __name__ == '__main__':
     main()

scripts/dht_scripts.py

@@ -1,10 +1,10 @@
-from lbrynet.dht.node import Node
 import binascii
-from twisted.internet import reactor, task
 import logging
 import sys
-from lbrynet.core.utils import generate_id
 
+from lbrynet.dht.node import Node
+from twisted.internet import reactor, task
+from lbrynet.core.utils import generate_id
 
 log = logging.getLogger(__name__)
 
@@ -34,7 +34,6 @@ def join_network(udp_port, known_nodes):
 
 
 def get_hosts(node, h):
-
     def print_hosts(hosts):
         print "Hosts returned from the DHT: "
         print hosts

scripts/dhttest.py

@@ -21,8 +21,9 @@
 # Thanks to Paul Cannon for IP-address resolution functions (taken from aspn.activestate.com)
 
 
-
-import sys, hashlib, random
+import binascii
+import hashlib
+import random
 import twisted.internet.reactor
 from lbrynet.dht.node import Node
 
@@ -35,7 +36,7 @@ hash.update("key")
 KEY = hash.digest()
 # The value to store
 VALUE = random.randint(10000, 20000)
-import binascii
+
 lbryid = KEY
 
 
@@ -68,6 +69,7 @@ def genericErrorCallback(failure):
     print 'An error has occurred:', failure.getErrorMessage()
     twisted.internet.reactor.callLater(0, stop)
 
+
 def getValue():
     """ Retrieves the value of the specified key (KEY) from the DHT """
     global node, KEY
@@ -100,8 +102,10 @@ def stop():
     print '\nStopping Kademlia node and terminating script'
     twisted.internet.reactor.stop()
 
+
 if __name__ == '__main__':
     import sys
+
     if len(sys.argv) < 2:
         print 'Usage:\n%s UDP_PORT [KNOWN_NODE_IP  KNOWN_NODE_PORT]' % sys.argv[0]
         print 'or:\n%s UDP_PORT [FILE_WITH_KNOWN_NODES]' % sys.argv[0]
@@ -151,7 +155,7 @@ if __name__ == '__main__':
     # Schedule the node to join the Kademlia/Entangled DHT
     node.joinNetwork(knownNodes)
     # Schedule the "storeValue() call to be invoked after 2.5 seconds,
-    #using KEY and VALUE as arguments
+    # using KEY and VALUE as arguments
     twisted.internet.reactor.callLater(2.5, getValue)
     # Start the Twisted reactor - this fires up all networking, and
     # allows the scheduled join operation to take place

scripts/node_rpc_cli.py

@@ -2,10 +2,10 @@
 CLI for sending rpc commands to a DHT node
 """
 
+import argparse
 
 from twisted.internet import reactor
 from txjsonrpc.web.jsonrpc import Proxy
-import argparse
 
 
 def print_value(value):

scripts/rpc_node.py

@@ -12,7 +12,6 @@
 Launch a DHT node which can respond to RPC commands.
 """
 
-
 import argparse
 from lbrynet.dht.node import Node
 from txjsonrpc.web import jsonrpc
@@ -38,7 +37,6 @@ class RPCNode(jsonrpc.JSONRPC):
 
 
 def main():
-
     parser = argparse.ArgumentParser(description="Launch a dht node which responds to rpc commands")
 
     parser.add_argument("node_port",