(Python) Binary.com Tick Stream

Tick Stream Request -- Initiate a continuous stream of spot price updates for a given symbol.

Chilkat Python Downloads install with pip pip3 install chilkat or download... Python Module for Windows, MacOS, Linux, Alpine Linux, Solaris

import sys
import chilkat

#  This example requires the Chilkat API to have been previously unlocked.
#  See Global Unlock Sample for sample code.

ws = chilkat.CkWebSocket()

#  For brevity, this example does not check for errors when etablishing the WebSocket connection.
#  See Establish WebSocket Connection for more complete sample code for making the connection.

rest = chilkat.CkRest()

#  Connect to ws.binaryws.com
success = rest.Connect("ws.binaryws.com",443,True,False)
ws.UseConnection(rest)
ws.AddClientHeaders()

#  My app_id is 12332.  You'll wnat to use your own...
responseBody = rest.fullRequestNoBody("GET","/websockets/v3?app_id=12332")
success = ws.ValidateServerHandshake()
if (success != True):
    print(ws.lastErrorText())
    print(responseBody)
    print(rest.responseHeader())
    sys.exit()

#  Build and send the following message:

#  {
#    "ticks": "R_50",
#    "subscribe": 1
#  }

json = chilkat.CkJsonObject()
json.AppendString("ticks","R_50")
json.AppendInt("subscribe",1)

#  Send a full message in a single frame
finalFrame = True
success = ws.SendFrame(json.emit(),finalFrame)
if (success != True):
    print(ws.lastErrorText())
    sys.exit()

jsonTickData = chilkat.CkJsonObject()
jsonTickData.put_EmitCompact(False)

#  Begin reading the tick stream response.
#  We'll just read the 1st 10 updates and then exit..
receivedFinalFrame = False
numTicksReceived = 0
while numTicksReceived < 5 :

    success = ws.ReadFrame()
    if (success != True):
        print("Failed to receive a frame")
        print("ReadFrame fail reason = " + str(ws.get_ReadFrameFailReason()))
        print(ws.lastErrorText())
        sys.exit()

    #  The responses we desire are in Text frames, where the opcode = 1.
    if (ws.get_FrameOpcodeInt() == 1):
        receivedJson = ws.getFrameData()

        jsonTickData.Load(receivedJson)
        print(jsonTickData.emit())

        numTicksReceived = numTicksReceived + 1

#  Close the websocket connection.
success = ws.SendClose(True,1000,"Closing this websocket.")
if (success != True):
    print(ws.lastErrorText())
    sys.exit()

#  Read the Close response.
success = ws.ReadFrame()
if (success != True):
    print("ReadFrame fail reason = " + str(ws.get_ReadFrameFailReason()))
    print(ws.lastErrorText())
    sys.exit()

print("Success.")

#  The output of the above code is shown here:

#  {
#    "echo_req": {
#      "subscribe": 1,
#      "ticks": "R_50"
#    },
#    "msg_type": "tick",
#    "tick": {
#      "ask": "373.8725",
#      "bid": "373.8325",
#      "epoch": "1517437456",
#      "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
#      "quote": "373.8525",
#      "symbol": "R_50"
#    }
#  }
# 
#  {
#    "echo_req": {
#      "subscribe": 1,
#      "ticks": "R_50"
#    },
#    "msg_type": "tick",
#    "tick": {
#      "ask": "373.7952",
#      "bid": "373.7552",
#      "epoch": "1517437458",
#      "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
#      "quote": "373.7752",
#      "symbol": "R_50"
#    }
#  }
# 
#  {
#    "echo_req": {
#      "subscribe": 1,
#      "ticks": "R_50"
#    },
#    "msg_type": "tick",
#    "tick": {
#      "ask": "373.8638",
#      "bid": "373.8238",
#      "epoch": "1517437460",
#      "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
#      "quote": "373.8438",
#      "symbol": "R_50"
#    }
#  }
# 
#  {
#    "echo_req": {
#      "subscribe": 1,
#      "ticks": "R_50"
#    },
#    "msg_type": "tick",
#    "tick": {
#      "ask": "373.7636",
#      "bid": "373.7236",
#      "epoch": "1517437462",
#      "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
#      "quote": "373.7436",
#      "symbol": "R_50"
#    }
#  }
# 
#  {
#    "echo_req": {
#      "subscribe": 1,
#      "ticks": "R_50"
#    },
#    "msg_type": "tick",
#    "tick": {
#      "ask": "373.6870",
#      "bid": "373.6470",
#      "epoch": "1517437464",
#      "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
#      "quote": "373.6670",
#      "symbol": "R_50"
#    }
#  }
# 
#  Success.