def _handle_event(self, event=''):
'''called from event loop to handle'''
if self.debug:
tart.log('tart: event', event)
try:
msg = json.loads(event)
except ValueError:
msg = []
# extract message type and build handler name based on convention
# shared with and adopted from QML
try:
msg_type = msg[0]
# apply Qt-style case normalization
name = 'on' + msg_type[0].upper() + msg_type[1:]
except IndexError:
tart.log('tart: ERROR, no type found in message')
return
else:
# find a matching handler routine, if there is one
try:
handler = getattr(self, name)
except AttributeError:
if msg_type.startswith('on'):
tart.log(
'tart: WARNING, message starts with "on", maybe remove?'
)
self.missing_handler(msg)
return
# tart.log('calling', handler)
try:
kwargs = msg[1] or {}
except KeyError:
kwargs = {}
# Actually process the message in the handler: note that
# results are ignored for now, and any exceptions will
# result in a traceback from the calling code (in tart.cpp)
result = handler(**kwargs)
def _handle_event(self, event=''):
'''called from event loop to handle'''
if self.debug:
tart.log('tart: event', event)
try:
msg = json.loads(event)
except ValueError:
msg = []
# extract message type and build handler name based on convention
# shared with and adopted from QML
try:
msg_type = msg[0]
# apply Qt-style case normalization
name = 'on' + msg_type[0].upper() + msg_type[1:]
except IndexError:
tart.log('tart: ERROR, no type found in message')
return
else:
# find a matching handler routine, if there is one
try:
handler = getattr(self, name)
except AttributeError:
if msg_type.startswith('on'):
tart.log('tart: WARNING, message starts with "on", maybe remove?')
self.missing_handler(msg)
return
# tart.log('calling', handler)
try:
kwargs = msg[1] or {}
except KeyError:
kwargs = {}
# Actually process the message in the handler: note that
# results are ignored for now, and any exceptions will
# result in a traceback from the calling code (in tart.cpp)
result = handler(**kwargs)
def missing_handler(self, msg):
tart.log('tart: ERROR, missing handler for', msg[0])
def __init__(self, debug=True):
self.debug = debug
if self.debug:
tart.log('tart: app starting')
def missing_handler(self, msg):
tart.log('tart: ERROR, missing handler for', msg[0])
def __init__(self, debug=False):
self.debug = debug
if self.debug:
tart.log('tart: app starting')
