def _log_load(self, where, ob):
n1, n2, n3 = len(ob.settings), len(ob.records)
if n1 > 0 or n2 > 0 or n3 > 0:
console.log("Loading from " + where + ": " + [n1, n2, n3])
def _receive_command(self, command):
""" Process a command send from the server.
"""
cmd = command[0]
if cmd == 'PING':
# Used for roundtrip stuff, do at least one iter loop here ...
window.setTimeout(self.send_command, 10, 'PONG', command[1])
elif cmd == 'INIT_DONE':
window.flexx.spin(None)
while len(self._pending_commands):
self._receive_raw_command(self._pending_commands.pop(0))
self._pending_commands = None
# print('init took', time() - self._init_time)
elif cmd == 'PRINT':
(window.console.ori_log or window.console.log)(command[1])
elif cmd == 'EXEC':
eval(command[1])
elif cmd == 'EVAL':
x = None
if len(command) == 2:
x = eval(command[1])
elif len(command) == 3:
x = eval('this.instances.' + command[1] + '.' + command[2])
console.log(str(x)) # print (and thus also sends back result)
elif cmd == 'EVALANDRETURN':
try:
x = eval(command[1])
except Exception as err:
x = str(err)
eval_id = command[2] # to identify the result in Python
self.send_command("EVALRESULT", x, eval_id)
elif cmd == 'INVOKE':
id, name, args = command[1:]
ob = self.instances.get(id, None)
if ob is None:
console.warn('Cannot invoke %s.%s; '
'session does not know it (anymore).' %
(id, name))
elif ob._disposed is True:
pass # deleted, but other end might not be aware when command was send
else:
ob[name](*args)
elif cmd == 'INSTANTIATE':
self.instantiate_component(
*command[1:]) # module, cname, id, args, kwargs
elif cmd == 'DISPOSE':
id = command[1]
c = self.instances.get(id, None)
if c is not None and c._disposed is False: # else: no need to warn
c._dispose()
self.send_command('DISPOSE_ACK', command[1])
self.instances.pop(id, None) # Drop local reference now
elif cmd == 'DISPOSE_ACK':
self.instances.pop(command[1], None) # Drop reference
elif cmd == 'DEFINE':
#and command[1] == 'JS' or command[1] == 'DEFINE-JS-EVAL '):
kind, name, code = command[1:]
window.flexx.spin()
address = window.location.protocol + '//' + self.ws_url.split(
'/')[2]
code += '\n//# sourceURL=%s/flexx/assets/shared/%s\n' % (address,
name)
if kind == 'JS-EVAL':
eval(code)
elif kind == 'JS':
# With this method, sourceURL does not work on Firefox,
# but eval might not work for assets that don't "use strict"
# (e.g. Bokeh). Note, btw, that creating links to assets does
# not work because these won't be loaded on time.
el = window.document.createElement("script")
el.id = name
el.innerHTML = code
window.flexx.asset_node.appendChild(el)
elif kind == 'CSS':
el = window.document.createElement("style")
el.type = "text/css"
el.id = name
el.innerHTML = code
window.flexx.asset_node.appendChild(el)
else:
window.console.error('Dont know how to DEFINE ' + name +
' with "' + kind + '".')
elif cmd == 'OPEN':
window.win1 = window.open(command[1], 'new', 'chrome')
else:
window.console.error('Invalid command: "' + cmd + '"')
return command
def _receive_command(self, command):
""" Process a command send from the server.
"""
cmd = command[0]
if cmd == 'PING':
# Used for roundtrip stuff, do at least one iter loop here ...
window.setTimeout(self.send_command, 10, 'PONG', command[1])
elif cmd == 'INIT_DONE':
window.flexx.spin(None)
while len(self._pending_commands):
self._receive_raw_command(self._pending_commands.pop(0))
self._pending_commands = None
# print('init took', time() - self._init_time)
elif cmd == 'PRINT':
(window.console.ori_log or window.console.log)(command[1])
elif cmd == 'EXEC':
eval(command[1])
elif cmd == 'EVAL':
x = None
if len(command) == 2:
x = eval(command[1])
elif len(command) == 3:
x = eval('this.instances.' + command[1] + '.' + command[2])
console.log(str(x)) # print (and thus also sends back result)
elif cmd == 'EVALANDRETURN':
try:
x = eval(command[1])
except Exception as err:
x = str(err)
eval_id = command[2] # to identify the result in Python
self.send_command("EVALRESULT", x, eval_id)
elif cmd == 'INVOKE':
id, name, args = command[1:]
ob = self.instances.get(id, None)
if ob is None:
console.warn('Cannot invoke %s.%s; '
'session does not know it (anymore).' % (id, name))
elif ob._disposed is True:
pass # deleted, but other end might not be aware when command was send
else:
ob[name](*args)
elif cmd == 'INSTANTIATE':
self.instantiate_component(*command[1:]) # module, cname, id, args, kwargs
elif cmd == 'DISPOSE':
id = command[1]
c = self.instances.get(id, None)
if c is not None and c._disposed is False: # else: no need to warn
c._dispose()
self.send_command('DISPOSE_ACK', command[1])
self.instances.pop(id, None) # Drop local reference now
elif cmd == 'DISPOSE_ACK':
self.instances.pop(command[1], None) # Drop reference
elif cmd == 'DEFINE':
#and command[1] == 'JS' or command[1] == 'DEFINE-JS-EVAL '):
kind, name, code = command[1:]
window.flexx.spin()
address = window.location.protocol + '//' + self.ws_url.split('/')[2]
code += '\n//# sourceURL=%s/flexx/assets/shared/%s\n' % (address, name)
if kind == 'JS-EVAL':
eval(code)
elif kind == 'JS':
# With this method, sourceURL does not work on Firefox,
# but eval might not work for assets that don't "use strict"
# (e.g. Bokeh). Note, btw, that creating links to assets does
# not work because these won't be loaded on time.
el = window.document.createElement("script")
el.id = name
el.innerHTML = code
window.flexx.asset_node.appendChild(el)
elif kind == 'CSS':
el = window.document.createElement("style")
el.type = "text/css"
el.id = name
el.innerHTML = code
window.flexx.asset_node.appendChild(el)
else:
window.console.error('Dont know how to DEFINE ' +
name + ' with "' + kind + '".')
elif cmd == 'OPEN':
window.win1 = window.open(command[1], 'new', 'chrome')
else:
window.console.error('Invalid command: "' + cmd + '"')
return command