0337ab5d92
Perform action class validation by importing the class and not relying on an instance of action model, which might not exisit when still creating the action. Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
88 lines
2.3 KiB
Python
88 lines
2.3 KiB
Python
from __future__ import unicode_literals
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from importlib import import_module
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import logging
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from django.apps import apps
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from django.utils import six
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from django.utils.encoding import force_text
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from common.classes import PropertyHelper
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__all__ = ('WorkflowAction',)
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logger = logging.getLogger(__name__)
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class DocumentStateHelper(PropertyHelper):
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@staticmethod
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@property
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def constructor(*args, **kwargs):
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return DocumentStateHelper(*args, **kwargs)
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def get_result(self, name):
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return self.instance.workflows.get(workflow__internal_name=name)
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class WorkflowActionMetaclass(type):
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_registry = {}
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def __new__(mcs, name, bases, attrs):
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new_class = super(WorkflowActionMetaclass, mcs).__new__(
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mcs, name, bases, attrs
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)
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if not new_class.__module__ == __name__:
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mcs._registry[
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'{}.{}'.format(new_class.__module__, name)
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] = new_class
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return new_class
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class WorkflowActionBase(object):
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fields = ()
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class WorkflowAction(six.with_metaclass(WorkflowActionMetaclass, WorkflowActionBase)):
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@classmethod
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def clean(cls, request, form_data=None):
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return form_data
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@classmethod
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def get(cls, name):
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return cls._registry[name]
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@classmethod
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def get_all(cls):
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return sorted(cls._registry.values(), key=lambda x: x.label)
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@classmethod
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def id(cls):
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return '{}.{}'.format(cls.__module__, cls.__name__)
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@staticmethod
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def initialize():
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for app in apps.get_app_configs():
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try:
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import_module('{}.workflow_actions'.format(app.name))
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except ImportError as exception:
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if force_text(exception) != 'No module named workflow_actions':
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logger.error(
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'Error importing %s workflow_actions.py file; %s',
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app.name, exception
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)
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def __init__(self, form_data=None):
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self.form_data = form_data
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def get_form_schema(self, request=None):
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result = {
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'fields': self.fields or (),
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'widgets': getattr(self, 'widgets', {})
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}
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if hasattr(self, 'field_order'):
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result['field_order'] = self.field_order
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return result
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