## This class talks with CGMiner RPC deamons.
## All congratz to Thomas Sileo for his class
## Source : http://thomassileo.com/blog/2013/09/17/playing-with-python-and-cgminer-rpc-api/
class CgminerAPI(object):
""" Cgminer RPC API wrapper. """
def __init__(self, host='localhost', port=4028):
self.data = {}
self.host = host
self.port = port
def command(self, command, arg=None):
""" Initialize a socket connection,
send a command (a json encoded dict) and
receive the response (and decode it).
"""
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
sock.connect((self.host, self.port))
sock.settimeout(2)
payload = {"command": command}
if arg is not None:
# Parameter must be converted to basestring (no int)
payload.update({'parameter': unicode(arg)})
sock.send(json.dumps(payload))
received = self._receive(sock)
finally:
sock.shutdown(socket.SHUT_RDWR)
sock.close()
return json.loads(received[:-1])
def _receive(self, sock, size=4096):
msg = ''
while 1:
chunk = sock.recv(size)
if chunk:
msg += chunk
else:
break
return msg
def __getattr__(self, attr):
def out(arg=None):
return self.command(attr, arg)
return out
