def __init__(self, *args, **kwargs):
super(CustomHandler, self).__init__(*args, **kwargs)
if 'callback_function' not in kwargs:
raise ValueError('Must pass a callback_function to CustomHandler')
func = kwargs['callback_function']
_check_callback(func, ('doc', ))
print(kwargs)
# the function that needs to be excecuted to create the document
self._func = func
self._safe_to_fork = True
# setup the template
self._template = None
template_path = kwargs.get('template_path', None)
if template_path and exists(template_path):
env = Environment(loader=FileSystemLoader(dirname(template_path)))
self._template = env.get_template(basename(template_path))
# Setup static
self._static = None
static_path = kwargs.get('static_path', None)
if static_path and exists(static_path):
self._static = static_path
print(self._static)
print(self._template)
def on_change(self, *callbacks):
''' Invoke callback if the document or any Model reachable from its roots changes.
'''
for callback in callbacks:
if callback in self._callbacks: continue
_check_callback(callback, ('event', ))
self._callbacks.append(callback)
def on_change(self, *callbacks):
''' Invoke callback if the document or any Model reachable from its roots changes.
'''
for callback in callbacks:
if callback in self._callbacks: continue
_check_callback(callback, ('event',))
self._callbacks.append(callback)
def extract_callbacks():
contents = self._module.__dict__
if 'on_server_loaded' in contents:
self._on_server_loaded = contents['on_server_loaded']
if 'on_server_unloaded' in contents:
self._on_server_unloaded = contents['on_server_unloaded']
if 'on_session_created' in contents:
self._on_session_created = contents['on_session_created']
if 'on_session_destroyed' in contents:
self._on_session_destroyed = contents['on_session_destroyed']
_check_callback(self._on_server_loaded, ('server_context',), what="on_server_loaded")
_check_callback(self._on_server_unloaded, ('server_context',), what="on_server_unloaded")
_check_callback(self._on_session_created, ('session_context',), what="on_session_created")
_check_callback(self._on_session_destroyed, ('session_context',), what="on_session_destroyed")
def extract_callbacks():
contents = self._module.__dict__
if 'on_server_loaded' in contents:
self._on_server_loaded = contents['on_server_loaded']
if 'on_server_unloaded' in contents:
self._on_server_unloaded = contents['on_server_unloaded']
if 'on_session_created' in contents:
self._on_session_created = contents['on_session_created']
if 'on_session_destroyed' in contents:
self._on_session_destroyed = contents['on_session_destroyed']
_check_callback(self._on_server_loaded, ('server_context',), what="on_server_loaded")
_check_callback(self._on_server_unloaded, ('server_context',), what="on_server_unloaded")
_check_callback(self._on_session_created, ('session_context',), what="on_session_created")
_check_callback(self._on_session_destroyed, ('session_context',), what="on_session_destroyed")
def __init__(self, func):
'''
Args:
func (callable) : a function to modify and return a Bokeh Document.
The function should have the form:
.. code-block:: python
def func(doc):
# modify doc
return doc
and it should return the passed-in document after making any
modifications in-place.
'''
super(FunctionHandler, self).__init__()
_check_callback(func, ('doc', ))
self._func = func
self._safe_to_fork = True
def __init__(self, func):
'''
Args:
func (callable) : a function to modify and return a Bokeh Document.
The function should have the form:
.. code-block:: python
def func(doc):
# modify doc
return doc
and it should return the passed-in document after making any
modifications in-place.
'''
super(FunctionHandler, self).__init__()
_check_callback(func, ('doc',))
self._func = func
self._safe_to_fork = True
def __init__(self, func):
super(FunctionHandler, self).__init__()
_check_callback(func, ('doc',))
self._func = func
def __init__(self, func):
super(FunctionHandler, self).__init__()
_check_callback(func, ('doc', ))
self._func = func
