def get_head_object_state_rpm(sub_context):
"""IRolePermissionMap(context) adapter factory.
Lighweight and high-performance wrapper on get_object_state(context),
to *lookup* (note: no creation of any instance) the workflow.states.State
singleton instance for the sub context's head's status.
Note that sub context is NOT workflowed.
On lookup error, returns NONE_STATE_RPM, instead of what would be a
zope.component.ComponentLookupError.
"""
# !+HEAD_DOCUMENT_ITEM(mr, sep-2011) standardize name, "head", "document"
# or "item"?
try:
head = _tmp_hack_protected_get_context_head(sub_context)
return interfaces.IWorkflow(head).get_state(sub_context.status)
except interfaces.InvalidStateError:
from bungeni.models.interfaces import IChange
if sub_context.status is None and IChange.providedBy(sub_context):
# if status is None,then must have an "add" change action... ignore.
assert sub_context.action == "add"
else:
# log it... !+bungeni.ui.utils.debug
cls, exc, tb = sys.exc_info()
log.error(""" ***get_head_object_state_rpm/%s:%s [%s] %s """ %
(type(sub_context).__name__, sub_context.pk,
cls.__name__, exc))
return NONE_STATE_RPM
def get_object_state(context):
"""Lookup the workflow.states.State instance for the context's status.
Serves also as the IRolePermissionMap(context) adapter factory.
May need to be called numerous times per request, so is a lightweight
and performance-aware adapter -- there is no creation of any adapter
instance, just lookup of the object's Workflow instance off which to
retrieve existing State instances.
"""
return interfaces.IWorkflow(context).get_state(context.status)
def get_object_state(context):
"""Utility to look up the workflow.states.State singleton instance that
corresponds to the context's urrent status.
Implemented as the IWorkflow adaptor for the context--but as may need to
be called numerous times per request, note that it is a lightweight and
performance-aware adapter -- there is no creation of any adapter instance,
just lookup of the object's Workflow instance off which to retrieve
existing State instances.
"""
return interfaces.IWorkflow(context).get_state(context.status)
def get_head_object_state_rpm(sub_context):
"""IRolePermissionMap(context) adapter factory.
Lighweight and high-performance wrapper on get_object_state(context),
to *lookup* (note: no creation of any instance) the workflow.states.State
singleton instance for the sub context's head's status.
Note that sub context is NOT workflowed.
"""
# !+HEAD_DOCUMENT_ITEM(mr, sep-2011) standardize name, "head", "document"
# or "item"?
return interfaces.IWorkflow(sub_context.head).get_state(sub_context.status)
def get_head_object_state_rpm(sub_context):
"""IRolePermissionMap(context) adapter factory.
Lighweight and high-performance wrapper on get_object_state(context),
to *lookup* (note: no creation of any instance) the workflow.states.State
singleton instance for the sub context's head's status.
Note that sub context is NOT workflowed.
On lookup error, returns NONE_STATE_RPM, instead of what would be a
zope.component.ComponentLookupError.
"""
# !+HEAD_DOCUMENT_ITEM(mr, sep-2011) standardize name, "head", "document"
# or "item"?
try:
return interfaces.IWorkflow(sub_context.head).get_state(
sub_context.status)
except interfaces.InvalidStateError, e:
return NONE_STATE_RPM
def workflow(self):
""" () -> bungeni.core.workflow.states.Workflow """
return interfaces.IWorkflow(self.context)
