def __init__(self, update_callback):
"""
:param update_callback: A callable with signature ```callable(update)``` for processing outgoing updates
formatted as strings.
"""
self.update_callback = update_callback
NetworkTables.addGlobalListener(self._nt_on_change,
immediateNotify=True)
NetworkTables.addConnectionListener(self._nt_connected,
immediateNotify=True)
# values, which prints out all changes. Note that the keys are full paths, and
# not just individual key values.
#
import sys
import time
from networktables import NetworkTables
# To see messages from networktables, you must setup logging
import logging
logging.basicConfig(level=logging.DEBUG)
if len(sys.argv) != 2:
print("Error: specify an IP to connect to!")
exit(0)
ip = sys.argv[1]
NetworkTables.initialize(server=ip)
def valueChanged(key, value, isNew):
print("valueChanged: key: '%s'; value: %s; isNew: %s" % (key, value, isNew))
NetworkTables.addGlobalListener(valueChanged)
while True:
time.sleep(1)
def open(self):
"""
Add NetworkTables listeners
"""
NetworkTables.addGlobalListener(self._nt_on_change, immediateNotify=True)
NetworkTables.addConnectionListener(self._nt_connected, immediateNotify=True)
