def page_description(self):
"""Formalize view.page_description as a view property to factor the
logic for determining the page description for a view out of the
template.
Templates should always simply call: view.page_description
"""
# if view explicitly sets a page_description, use it
if self._page_description:
return self._page_description
# otherwise try to determine it from DC annotations
context = removeSecurityProxy(self.context)
try:
# This is equivalent of the ZPT expression "context/dc:description"
# i.e. to "load the value of the variable context, then find a
# component that adapts that object to Dublin Core and read the
# description attribute of the component."
return IDCDescriptiveProperties(context).description
except (Exception,):
debug.log_exc(sys.exc_info(), log_handler=log.debug)
# otherwise try to determine it from the context
if getattr(context, "description", None):
return context.description
else:
return "Bungeni"
def page_description(self):
"""Formalize view.page_description as a view property to factor the
logic for determining the page description for a view out of the
template.
Templates should always simply call: view.page_description
"""
# if view explicitly sets a page_description, use it
if self._page_description:
return self._page_description
# otherwise try to determine it from DC annotations
context = removeSecurityProxy(self.context)
try:
# This is equivalent of the ZPT expression "context/dc:description"
# i.e. to "load the value of the variable context, then find a
# component that adapts that object to Dublin Core and read the
# description attribute of the component."
return IDCDescriptiveProperties(context).description
except (Exception, ):
debug.log_exc(sys.exc_info(), log_handler=log.debug)
# otherwise try to determine it from the context
if getattr(context, "description", None):
return context.description
else:
return "Bungeni"
def __getattr__(self, name):
"""Try to pick any attribute (not found on this change record--this
method only gets called when a non-existent attribute is accessed) off
the related audit snapshot record (as every change record is related
to a type-dedicated audit record).
!+ should this be on Change i.e. for all change actions?
"""
audit = self.audit
try:
return getattr(audit, name)
except AttributeError:
# !+DocVersion.filevers
try:
from bungeni.alchemist import utils
return utils.FILES_VERSION_CONTAINER_ATTRIBUTE_ERROR_HACK(
self, name)
except:
import sys
from bungeni.ui.utils import debug
debug.log_exc(sys.exc_info(), log_handler=log.error)
raise AttributeError(
"%r [audit_id=%r, audit_type=%r] object has no attribute %r" %
(self, self.audit_id, self.audit_type, name))
def _eval_as_dict(s):
"""Utility to eval serialization of a dict, failure returns an empty dict.
"""
try:
d = eval(s)
assert isinstance(d, dict)
return d
except (SyntaxError, TypeError, AssertionError):
debug.log_exc(sys.exc_info(), log_handler=log.info)
return {}
def descriptor_classes():
"""A generator of descriptor classes in this module, preserving the
order of definition.
"""
# dir() returns names in alphabetical order
decorated = []
for key in dir(module):
cls = getattr(module, key)
try:
assert IModelDescriptor.implementedBy(cls)
# we decorate with the source code line number for the cls
decorated.append((inspect.getsourcelines(cls)[1], cls))
except (TypeError, AttributeError, AssertionError):
debug.log_exc(sys.exc_info(), log_handler=log.debug)
# we yield each cls in order of definition
for cls in [ cls for (line_num, cls) in sorted(decorated) ]:
yield cls
def descriptor_classes():
"""A generator of descriptor classes in this module, preserving the
order of definition.
"""
# dir() returns names in alphabetical order
decorated = []
for key in dir(module):
cls = getattr(module, key)
try:
assert IModelDescriptor.implementedBy(cls)
# we decorate with the source code line number for the cls
decorated.append((inspect.getsourcelines(cls)[1], cls))
except (TypeError, AttributeError, AssertionError):
debug.log_exc(sys.exc_info(), log_handler=log.debug)
# we yield each cls in order of definition
for cls in [ cls for (line_num, cls) in sorted(decorated) ]:
yield cls
def page_title(self):
"""Formalize view.page_title as a view property to factor the logic for
determining the page title for a view out of the template.
Templates should always simply call view.page_title.
"""
if self._page_title:
return self._page_title
if getattr(self.context, "title"):
return self.context.title
try:
# This is the equivalent of the ZPT expression "context/dc:title"
# i.e. to "load the value of the variable context, then find a
# component that adapts that object to Dublin Core and read the
# title attribute of the component."
return IDCDescriptiveProperties(self.context).title
except (Exception, ):
debug.log_exc(sys.exc_info(), log_handler=log.debug)
return "Bungeni"
def page_title(self):
"""Formalize view.page_title as a view property to factor the logic for
determining the page title for a view out of the template.
Templates should always simply call view.page_title.
"""
if self._page_title:
return self._page_title
if getattr(self.context, "title"):
return self.context.title
try:
# This is the equivalent of the ZPT expression "context/dc:title"
# i.e. to "load the value of the variable context, then find a
# component that adapts that object to Dublin Core and read the
# title attribute of the component."
return IDCDescriptiveProperties(self.context).title
except (Exception,):
debug.log_exc(sys.exc_info(), log_handler=log.debug)
return "Bungeni"
def add_zcml_menu_items(self, container):
"""Add the list of ZCML menu items (if any) for this top-level
container. Top-level section given by container may define a menu
in ZCML with naming convention: <container_name>_navigation.
"""
# !+ turn this into a utility
zcml_menu_name_template = "%s_navigation"
try:
menu_name = zcml_menu_name_template % container.__name__
menu = component.getUtility(IBrowserMenu, name=menu_name)
items = menu.getMenuItems(container, self.request)
except (Exception, ):
debug.log_exc(sys.exc_info(), log_handler=log.debug)
return []
# OK, do any necessary post-processing of each menu item
local_url = url.absoluteURL(container, self.request)
site_url = url.absoluteURL(getSite(), self.request)
request_url = self.request.getURL()
default_view_name = queryDefaultViewName(container, self.request)
selection = None
for item in sorted(items,
key=lambda item: item["action"],
reverse=True):
action = item["action"]
if default_view_name == action.lstrip("@@"):
_url = local_url
if selection is None:
selected = sameProxiedObjects(container, self.context)
else:
_url = make_absolute(action, local_url, site_url)
if selection is None:
selected = pos_action_in_url(action, request_url)
item["url"] = _url
item["selected"] = selected and u"selected" or u""
if selected:
# self is marker
selection = self
selected = False
self.items.append(item)
def add_zcml_menu_items(self, container):
"""Add the list of ZCML menu items (if any) for this top-level
container. Top-level section given by container may define a menu
in ZCML with naming convention: <container_name>_navigation.
"""
# !+ turn this into a utility
zcml_menu_name_template = "%s_navigation"
try:
menu_name = zcml_menu_name_template % container.__name__
menu = component.getUtility(IBrowserMenu, name=menu_name)
items = menu.getMenuItems(container, self.request)
except (Exception,):
debug.log_exc(sys.exc_info(), log_handler=log.debug)
return []
# OK, do any necessary post-processing of each menu item
local_url = url.absoluteURL(container, self.request)
site_url = url.absoluteURL(getSite(), self.request)
request_url = self.request.getURL()
default_view_name = queryDefaultViewName(container, self.request)
selection = None
for item in sorted(items, key=lambda item: item["action"], reverse=True):
action = item["action"]
if default_view_name==action.lstrip("@@"):
_url = local_url
if selection is None:
selected = sameProxiedObjects(container, self.context)
else:
_url = make_absolute(action, local_url, site_url)
if selection is None:
selected = pos_action_in_url(action, request_url)
item["url"] = _url
item["selected"] = selected and u"selected" or u""
if selected:
# self is marker
selection = self
selected = False
self.items.append(item)
def __getattr__(self, name):
"""Try to pick any attribute (not found on this change record--this
method only gets called when a non-existent attribute is accessed) off
the related audit snapshot record (as every change record is related
to a type-dedicated audit record).
!+ should this be on Change i.e. for all change actions?
"""
audit = self.audit
try:
return getattr(audit, name)
except AttributeError:
# !+DocVersion.filevers
try:
from bungeni.alchemist import utils
return utils.FILES_VERSION_CONTAINER_ATTRIBUTE_ERROR_HACK(self, name)
except:
import sys
from bungeni.ui.utils import debug
debug.log_exc(sys.exc_info(), log_handler=log.error)
raise AttributeError(
"%r [audit_id=%r, audit_type=%r] object has no attribute %r" % (
self, self.audit_id, self.audit_type, name))