pep8

diff --git a/scripts/get_balance b/scripts/get_balance
index f747d5a..496931b 100755 (executable)
--- a/scripts/get_balance
+++ b/scripts/get_balance
@@ -4,51 +4,60 @@ import sys
 from electrum import Interface
 from electrum import bitcoin, Transaction
 
+
 def get_transaction(interface, tx_hash, tx_height):
-    raw_tx = interface.synchronous_get([ ('blockchain.transaction.get',[tx_hash, tx_height]) ])[0]
+    raw_tx = interface.synchronous_get([(
+        'blockchain.transaction.get', [tx_hash, tx_height])])[0]
     tx = Transaction(raw_tx)
     return tx
 
+
 def get_history(interface, addr):
-    transactions = interface.synchronous_get([ ('blockchain.address.get_history',[addr]) ])[0]
-    transactions.sort(key=lambda x:x["height"])
-    return [(i["tx_hash"],i["height"]) for i in transactions]
+    transactions = interface.synchronous_get([(
+        'blockchain.address.get_history', [addr])])[0]
+    transactions.sort(key=lambda x: x["height"])
+    return [(i["tx_hash"], i["height"]) for i in transactions]
+
 
 def get_addr_balance(interface, address):
     prevout_values = {}
     h = get_history(interface, address)
-    if h == ['*']: return 0, 0
+    if h == ['*']:
+        return 0, 0
     c = u = 0
     received_coins = []   # list of coins received at address
     transactions = {}
 
     # fetch transactions
     for tx_hash, tx_height in h:
-        transactions[(tx_hash, tx_height)] = get_transaction(interface, tx_hash, tx_height)
+        transactions[(tx_hash, tx_height)] = get_transaction(
+            interface, tx_hash, tx_height)
 
     for tx_hash, tx_height in h:
         tx = transactions[(tx_hash, tx_height)]
-        if not tx: continue
+        if not tx:
+            continue
         update_tx_outputs(tx, prevout_values)
         for i, (addr, value) in enumerate(tx.outputs):
             if addr == address:
-                key = tx_hash + ':%d'%i
+                key = tx_hash + ':%d' % i
                 received_coins.append(key)
 
     for tx_hash, tx_height in h:
         tx = transactions[(tx_hash, tx_height)]
-        if not tx: continue
+        if not tx:
+            continue
         v = 0
 
         for item in tx.inputs:
             addr = item.get('address')
             if addr == address:
-                key = item['prevout_hash']  + ':%d'%item['prevout_n']
+                key = item['prevout_hash'] + ':%d' % item['prevout_n']
                 value = prevout_values.get(key)
                 if key in received_coins:
                     v -= value
         for i, (addr, value) in enumerate(tx.outputs):
-            key = tx_hash + ':%d'%i
+            key = tx_hash + ':%d' % i
             if addr == address:
                 v += value
         if tx_height:
@@ -57,17 +66,19 @@ def get_addr_balance(interface, address):
             u += v
     return c, u
 
+
 def update_tx_outputs(tx, prevout_values):
     for i, (addr, value) in enumerate(tx.outputs):
         key = tx.hash() + ':%d' % i
         prevout_values[key] = value
 
+
 def main(address):
     interface = Interface()
     interface.start()
     c, u = get_addr_balance(interface, address)
 
-    print("Final balance: confirmed: %d (%.8f BTC), unconfirmed: %d (%.8f BTC)" %
+    print("Balance - confirmed: %d (%.8f BTC), unconfirmed: %d (%.8f BTC)" %
           (c, c / 100000000., u, u / 100000000.))
 
 if __name__ == "__main__":