def set_field_value(self, field_name, value):
""" Set value of field named `field_name`.
Use this method to apply changes to object which is affected
by request. Values are set on `view._json_params` dict.
If `field_name` is not affected by request, it is added to
`self.fields` which makes field processors which are connected
to `field_name` to be triggered, if they are run after this
method call(connected to events after handler that performs
method call).
:param field_name: Name of field value of which should be set.
Optional if `self.field` is set; in this case `self.field.name`
is used. If `self.field` is None and `field_name` is not
provided, KeyError is raised.
:param value: Value to be set.
"""
self.view._json_params[field_name] = value
if field_name in self.fields:
self.fields[field_name].new_value = value
return
fields = FieldData.from_dict({field_name: value}, self.model)
self.fields.update(fields)
def set_field_value(self, field_name, value):
""" Set value of field named `field_name`.
Use this method to apply changes to object which is affected
by request. Values are set on `view._json_params` dict.
If `field_name` is not affected by request, it is added to
`self.fields` which makes field processors which are connected
to `field_name` to be triggered, if they are run after this
method call(connected to events after handler that performs
method call).
:param field_name: Name of field value of which should be set.
Optional if `self.field` is set; in this case `self.field.name`
is used. If `self.field` is None and `field_name` is not
provided, KeyError is raised.
:param value: Value to be set.
"""
self.view._json_params[field_name] = value
if field_name in self.fields:
self.fields[field_name].new_value = value
return
fields = FieldData.from_dict({field_name: value}, self.model)
self.fields.update(fields)
def trigger_events(view_obj):
""" Trigger before and after CRUD events.
:param view_obj: Instance of nefertari.view.BaseView subclass created
by nefertari.view.ViewMapper.
"""
request = view_obj.request
view_method = getattr(view_obj, request.action)
event_action = (getattr(view_method, '_event_action', None)
or request.action)
do_trigger = not (getattr(view_method, '_silent', False)
or getattr(view_obj, '_silent', False))
if do_trigger:
event_kwargs = {
'view': view_obj,
'model': view_obj.Model,
'fields': FieldData.from_dict(view_obj._json_params,
view_obj.Model)
}
ctx = view_obj.context
if hasattr(ctx, 'pk_field') or isinstance(ctx, DataProxy):
event_kwargs['instance'] = ctx
before_event = BEFORE_EVENTS[event_action]
request.registry.notify(before_event(**event_kwargs))
yield
if do_trigger:
event_kwargs['response'] = view_obj._response
after_event = AFTER_EVENTS[event_action]
request.registry.notify(after_event(**event_kwargs))
def _get_event_kwargs(view_obj):
""" Helper function to get event kwargs.
:param view_obj: Instance of View that processes the request.
:returns dict: Containing event kwargs or None if events shouldn't
be fired.
"""
request = view_obj.request
view_method = getattr(view_obj, request.action)
do_trigger = not (
getattr(view_method, '_silent', False) or
getattr(view_obj, '_silent', False))
if do_trigger:
event_kwargs = {
'view': view_obj,
'model': view_obj.Model,
'fields': FieldData.from_dict(
view_obj._json_params,
view_obj.Model)
}
ctx = view_obj.context
if hasattr(ctx, 'pk_field') or isinstance(ctx, DataProxy):
event_kwargs['instance'] = ctx
return event_kwargs
def trigger_events(view_obj):
""" Trigger before and after CRUD events.
:param view_obj: Instance of nefertari.view.BaseView subclass created
by nefertari.view.ViewMapper.
"""
request = view_obj.request
view_method = getattr(view_obj, request.action)
event_action = getattr(view_method, "_event_action", None) or request.action
do_trigger = not (getattr(view_method, "_silent", False) or getattr(view_obj, "_silent", False))
if do_trigger:
event_kwargs = {
"view": view_obj,
"model": view_obj.Model,
"initial_state": view_obj.initial_state,
"fields": FieldData.from_dict(view_obj._json_params, view_obj.Model),
}
ctx = view_obj.context
# Using __class__ instead of type() for mockability
if isinstance(ctx.__class__, ESMetaclass):
event_kwargs["instance"] = ctx
before_event = BEFORE_EVENTS[event_action]
request.registry.notify(before_event(**event_kwargs))
yield
if do_trigger:
if isinstance(type(view_obj.context), ESMetaclass):
event_kwargs["instance"] = view_obj.context
event_kwargs["response"] = view_obj._response
after_event = AFTER_EVENTS[event_action]
request.registry.notify(after_event(**event_kwargs))
def trigger_events(view_obj):
""" Trigger before and after CRUD events.
:param view_obj: Instance of nefertari.view.BaseView subclass created
by nefertari.view.ViewMapper.
"""
request = view_obj.request
view_method = getattr(view_obj, request.action)
event_action = (
getattr(view_method, '_event_action', None) or
request.action)
do_trigger = not (
getattr(view_method, '_silent', False) or
getattr(view_obj, '_silent', False))
if do_trigger:
event_kwargs = {
'view': view_obj,
'model': view_obj.Model,
'initial_state': view_obj.initial_state,
'fields': FieldData.from_dict(
view_obj._json_params,
view_obj.Model)
}
# Using __class__ instead of type() for mockability
if getattr(view_obj.context.__class__, 'is_ESMetaclass', False):
event_kwargs['instance'] = view_obj.context
before_event = BEFORE_EVENTS[event_action]
request.registry.notify(before_event(**event_kwargs))
yield
if do_trigger:
event_kwargs['response'] = view_obj._response
after_event = AFTER_EVENTS[event_action]
request.registry.notify(after_event(**event_kwargs))
def _get_event_kwargs(view_obj):
""" Helper function to get event kwargs.
:param view_obj: Instance of View that processes the request.
:returns dict: Containing event kwargs or None if events shouldn't
be fired.
"""
request = view_obj.request
view_method = getattr(view_obj, request.action)
do_trigger = not (getattr(view_method, '_silent', False)
or getattr(view_obj, '_silent', False))
if do_trigger:
event_kwargs = {
'view': view_obj,
'model': view_obj.Model,
'fields': FieldData.from_dict(view_obj._json_params,
view_obj.Model)
}
ctx = view_obj.context
if hasattr(ctx, 'pk_field') or isinstance(ctx, DataProxy):
event_kwargs['instance'] = ctx
return event_kwargs
def trigger_events(view_obj):
""" Trigger before and after CRUD events.
:param view_obj: Instance of nefertari.view.BaseView subclass created
by nefertari.view.ViewMapper.
"""
request = view_obj.request
view_method = getattr(view_obj, request.action)
event_action = (
getattr(view_method, '_event_action', None) or
request.action)
do_trigger = not (
getattr(view_method, '_silent', False) or
getattr(view_obj, '_silent', False))
if do_trigger:
event_kwargs = {
'view': view_obj,
'model': view_obj.Model,
'fields': FieldData.from_dict(
view_obj._json_params,
view_obj.Model)
}
if hasattr(view_obj.context, 'pk_field'):
event_kwargs['instance'] = view_obj.context
before_event = BEFORE_EVENTS[event_action]
request.registry.notify(before_event(**event_kwargs))
yield
if do_trigger:
after_event = AFTER_EVENTS[event_action]
request.registry.notify(after_event(**event_kwargs))
