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    No handlers could be found for logger "websocket"

    Official EVOK API
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    • S
      seecosmea last edited by tomas_hora

      Good morning,

      since connecting a new sensor to the 1-Wire network, getting the following error message „No handlers could be found for logger "websocket"“ via LXT Terminal.

      I use the following python 2.7 program:

      #!/bin/bash

import websocket
import json

url = "ws://127.0.0.1:88/ws"

def on_message(ws, message):
   obj = json.loads(message)
   dev = obj['dev']
   circuit = obj['circuit']
   value = obj['value']
   print message

def on_error(ws, error):
   print error

def on_close(ws):
   print "Connection closed"

#receiving messages
ws = websocket.WebSocketApp(url, on_message = on_message, on_error = on_error, on_close = on_close)
ws.run_forever()

#sending messages
ws = websocket.WebSocket()
ws.connect(url)
ws.send('{"cmd":"set","dev":"relay","circuit":"3","value":"1"}')
ws.close()

      The EVOK log having following message:

      AttributeError: 'DS2438' object has no attribute 'sensor_dev'
2018-01-14 08:55:54,139 - evok - ERROR - Error in config section 1WINPUT_23 - 'DS2438' object has no attribute 'sensor_dev'
Traceback (most recent call last):
  File "/opt/evok/config.py", line 221, in create_devices
    sensor = (Devices.by_int(SENSOR, sensor)).sensor_dev
AttributeError: 'DS2438' object has no attribute 'sensor_dev'

      I appriciate your assitance.

      1 Reply Last reply Reply Quote 0
      • T
        TomasKnot last edited by TomasKnot

        Hi @seecosmea,
        Could you post your config file? It seems like your 1Wire-DI is connected to a simple DS2438 sensor.

        I don't immediately see what's exactly the issue aside from this, and it would help track it down.

        1 Reply Last reply Reply Quote 0
        • S
          seecosmea last edited by tomas_hora

          Good morining again,

          pls note that I do not have anymore messsages inside the EVOK log, pls find my modified config file below. But I still have the problem that I do not receive any JSON strings from my DS2438 sensors via above mention Python program in order to receive the infos via WS.

          I could get the JSON string only via wget but not via python ws - Here the string from my new CO2 Sensor:

          {"vad": "1.23", "vdd": "5", "circuit": "2656DC84000003B7", "time": 1515692607.33644, "temp": "4.82031", "interval": 15, "typ": "DS2438", "lost": false, "dev": "temp", "humidity": 39.25448718301667}

          Here my string from the new temp & humidity sensor:

          {"vad": "1.23", "vdd": "5", "circuit": "2656DC84000003B7", "time": 1515692607.33644, "temp": "4.82031", "interval": 15, "typ": "DS2438", "lost": false, "dev": "temp", "humidity": 39.25448718301667}

          #!!! Do not use '#' for comments !!!

[MAIN]
config_version = 2.4					
use_experimental_api = False			; Currently in Alpha - known issues
regenerate_api_docs = False				; Active only with the experimental API setting
log_level = ERROR   					; One of INFO, DEBUG, WARNING, ERROR, CRITICAL
log_file = /var/log/evok.log			; Log file to use; will be cleared on boot
port = 8080								; !!! Internal API port - only change if you are certain you know what you are doing; FOR OUR WEB INTERFACE THE PORT SHOULD BE CHANGED IN "/etc/evok-nginx.conf" INSTEAD !!!
;modbus_port = 0
;modbus_address = *			
webhook_enabled = False					; Enables webhook notification - see e.g. https://sendgrid.com/blog/whats-webhook/
webhook_address = http://127.0.0.1:80   ; Put your server endpoint address here (e.g. http://123.123.123.123:/wh )
webhook_device_mask = ["input","wd"]	; List of device types to notify on (written as a JSON list) - adding AI will generate a large amount of messages!
webhook_complex_events = False			; EVOK will send POST requests with the same data as WebSocket, rather than an empty GET request
wifi_control_enabled = False			; !!! REQUIRES THE UNIPIAP WIFI CONTROLLER TO BE INSTALLED !!! Will allow evok to control the internal Neuron wifi 
soap_server_enabled = False				; Enables the simple SOAP server; use only if you need the functionality
soap_server_port = 8081					; !!! IF SOAP SERVER IS ENABLED, THIS PORT NEEDS TO BE UNIQUE (i.e. different from the port setting above) !!!

[OWBUS_1]
owbus = --i2c=/dev/i2c-1:ALL     		; scanned bus (--i2c=/dev/i2c-1:ALL or localhost:2122 or 'u' for USB dongle)
interval = 3          					; [s] default sensor reading
scan_interval = 300    					; [s] how often is made searching

;[SENSOR_1]	     						; onewire thermometer
;bus = 1		     					; link to OWBUS_X
;address = 28527B930500001F
;type = DS18B20
;interval = 1

[I2CBUS_1]
busid = 1     							;[integer] id of bus /dev/i2c-X

;[EPROM_1]								;EPROM device will not be used anymore, eprom should be handled by kernel module
;i2cbus = 1
;address = 0x50
;size = 256

[MCP_1]
i2cbus = 1								; link to I2CBUS_X
address = 0x20							; i2c address

[RELAY_1]
mcp = 1									; link to MCP_X
pin = 7

[RELAY_2]
mcp = 1									; link to MCP_X
pin = 6

[RELAY_3]
mcp = 1
pin = 5

[RELAY_4]
mcp = 1
pin = 4

[RELAY_5]
mcp = 1
pin = 3

[RELAY_6]
mcp = 1
pin = 2

[RELAY_7]
mcp = 1
pin = 1

[RELAY_8]
mcp = 1
pin = 0

;[AICHIP_1]
;i2cbus =1
;address = 0x68

;[AI_1]
;chip=1
;channel=0
;bits=18
;gain=1
;;correction = 5.558737622
;;correction = 5.564920867
;corr_rom = 1
;corr_addr = 0xf0
;interval=2

;[AI_2]
;chip=1
;channel=1
;bits=18
;gain=1
;;correction = 5.558737622
;;correction = 5.564920867
;corr_rom = 1
;corr_addr = 0xf4
;interval=1

[GPIOBUS_1]

[AO_1]
gpiobus = 1
frequency = 100

[DI_1]
gpiobus = 1
pin=4
debounce = 0
;Enable counting on rising/falling edge or disable it
;By default(or parameter not present) this function is disabled
;Can be turned on on all on-board digital inputs (not inputs on 1Wire or other extensions)
;counter_mode = rising
;counter_mode = falling
;counter_mode = disabled

[DI_2]
gpiobus = 1
pin=17
debounce = 0

[DI_3]
gpiobus = 1
pin=27
debounce = 0

[DI_4]
gpiobus = 1
pin=23
debounce = 0

[DI_5]
gpiobus = 1
pin=22
debounce = 0

[DI_6]
gpiobus = 1
pin=24
debounce = 0

[DI_7]
gpiobus = 1
pin=11
debounce = 0

[DI_8]
gpiobus = 1
pin=7
debounce = 0

[DI_9]
gpiobus = 1
pin=8
debounce = 0

[DI_10]
gpiobus = 1
pin=9
debounce = 0

[DI_11]
gpiobus = 1
pin=25
debounce = 0

[DI_12]
gpiobus = 1
pin=10
debounce = 0

;[DI_13]
;gpiobus = 1
;pin=31
;debounce = 0

;[DI_14]
;gpiobus = 1
;pin=30
;debounce = 0

;
;Example of 8xRelay extension module addon (EMO-R8) on address 0x21
;
;[MCP_2]
;i2cbus = 1
;address = 0x21

;[RELAY_9]
;mcp = 2
;pin = 7

;[RELAY_10]
;mcp = 2
;pin = 6

;[RELAY_11]
;mcp = 2
;pin = 5

;[RELAY_12]
;mcp = 2
;pin = 4

;[RELAY_13]
;mcp = 2
;pin = 3

;[RELAY_14]
;mcp = 2
;pin = 2

;[RELAY_15]
;mcp = 2
;pin = 1

;[RELAY_16]
;mcp = 2
;pin = 0

;
;Example of Analog Output extension module EMO-Ao4/12
;
;[PCA9685_1]
;i2cbus = 1
;address = 0x40
;frequency = 400
;
;[AO_2]
;pca = 1
;channel = 0
;
;[AO_3]
;pca = 1
;channel = 1
;
;[AO_4]
;pca = 1
;channel = 2
;
;[AO_5]
;pca = 1
;channel = 3


;Example of 1W-4R/4DI extension module, 1W-8R is almost the same just replace inputs with relays
;
; - First map a new 1Wire sensor with appropriate address, type, and interval
; - Can use both SENSOR or 1WDEVICE syntax
; - Reading interval is crucial to achieve expected performance, default interval is 15s
;

[1WDEVICE_2]
bus = 1
address = 3AFF60340000009E 
type = DS2413
interval = 1

[1WRELAY_10]
sensor = 2
pin = 0

[1WINPUT_20]
sensor = 2
pin = 1

[1WDEVICE_3]
bus = 1
address = 3A4D6B3400000087
type = DS2413
interval = 1

[1WRELAY_11]
sensor = 3
pin = 0

[1WINPUT_21]
sensor = 3
pin = 1

[1WDEVICE_4]
bus = 1
address = 3AC3323400000018
type = DS2413
interval = 1

[1WRELAY_12]
sensor = 4
pin = 0

[1WINPUT_22]
sensor = 4
pin = 1

[1WDEVICE_5]
bus = 1
address = 2656DC84000003B7
type = DS2438
interval = 1

[1WINPUT_23]
sensor = 5

[1WDEVICE_6]
bus = 1
address = 265ADC84000003CA
type = DS2438
interval = 1

[1WINPUT_23]
sensor = 6


;[1WRELAY_11]
;sensor = 2
;pin = 1
;
;[1WRELAY_12]
;sensor = 2
;pin = 2
;
;[1WRELAY_13]
;sensor = 2
;pin = 3
;
;[1WINPUT_20]
;sensor = 2
;pin = 4
;
;[1WINPUT_21]
;sensor = 2
;pin = 5
;
;[1WINPUT_22]
;sensor = 2
;pin = 6
;
;[1WINPUT_23]
;sensor = 2
;pin = 7
          1 Reply Last reply Reply Quote 0
          • S
            seecosmea last edited by

            Liegt mein Problem eventuell bei dem Python websocket / JSON module (import websocket - import json)

            1 Reply Last reply Reply Quote 0
            • S
              seecosmea last edited by

              Good morning, could it be that the problem is related to the Python websocket / JSON module (import websocket - import json). I do receive still the error message : No handlers could be found for logger "websocket" if I start the program in LXTerminal: sudo python /home/pi/py4.py

              I receive after starting the DS18B20 temperature strings but not any JSON strings from DS2438 via the python program above. I would like to receive the JSON strings in my Gambas main program from that python script. Could you pls be so kind to assist....

              tks in advance

              1 Reply Last reply Reply Quote 0
              • S
                seecosmea last edited by

                Good morning again,

                could you pls be so kind to let me know if I could expect any answer at all, I do have sill the sam problem that I receive the DS18B20 temperature strings but not any JSON strings from DS2438 via the python program above.

                I checked the UniPi forum every moring with the hope to get new hints on present subject but nothing at all. I guess that my problem is not your area of responsibility ?

                tks in advance

                1 Reply Last reply Reply Quote 0
                • T
                  TomasKnot last edited by

                  The error "No handlers could be found for logger "websocket"" is from your client library, it means you haven't registered an output logger (appropriately enough).

                  I am not sure what's causing the issue with the DS2438. Do you get any 1wire messages at all? Or indeed any other.

                  S 1 Reply Last reply Reply Quote 0
                  • S
                    seecosmea @TomasKnot last edited by

                    Good day,

                    I do receive all JSON stings from my DS18B20 temperatur sensors and from my DS2413 (Wire Dual Channel Addressable Switch) but I do not receive any strings from DS2438 at moment. I could get the JSON string via the wget method or via http://127.0.0.1:88/rest/all.

                    Do you have any idea on how I could get the strings via the above mentioned python program via Websocket; I actually do not understand why I do not receive the DS2438 strings...

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