def getForwardRelationWith(context, ctype):
""" Get forward relation with ctype
Returns None if I can't find possible relation or
possible relation object from portal_relations
"""
if not IContentType.providedBy(context):
context = queryContentType(context)
if not context:
return None
new_ctype = ctype
if not IContentType.providedBy(ctype):
new_ctype = queryContentType(ctype)
if not new_ctype:
return None
connecter = queryAdapter(context, IRelationsLookUp)
if not connecter:
logger.exception('No IRelationsLookUp adapter found for '
'%s', context)
return None
result = connecter.forward_with(new_ctype)
if not result:
ctype_res = queryContentType(ctype, inverse_interface_check=True)
if not ctype_res:
return None
return connecter.forward_with(ctype_res)
else:
return result
def getForwardRelationWith(context, ctype):
""" Get forward relation with ctype
Returns None if I can't find possible relation or
possible relation object from portal_relations
"""
if not IContentType.providedBy(context):
context = queryContentType(context)
if not context:
return None
new_ctype = ctype
if not IContentType.providedBy(ctype):
new_ctype = queryContentType(ctype)
if not new_ctype:
return None
connecter = queryAdapter(context, IRelationsLookUp)
if not connecter:
logger.exception('No IRelationsLookUp adapter found for '
'%s', context)
return None
result = connecter.forward_with(new_ctype)
if not result:
ctype_res = queryContentType(ctype, inverse_interface_check=True)
if not ctype_res:
return None
return connecter.forward_with(ctype_res)
else:
return result
def getBackwardRelationWith(context, ctype):
""" Get backward relation with ctype
Returns None if I can't find possible relation or
possible relation object from portal_relations
"""
if not IContentType.providedBy(context):
context = queryContentType(context)
if not context:
return None
if not IContentType.providedBy(ctype):
ctype = queryContentType(ctype)
if not ctype:
return None
connecter = queryAdapter(context, IRelationsLookUp)
if not connecter:
logger.exception('No IRelationsLookUp adapter found for '
'%s', context)
return None
return connecter.backward_with(ctype)
def getBackwardRelationWith(context, ctype):
""" Get backward relation with ctype
Returns None if I can't find possible relation or
possible relation object from portal_relations
"""
if not IContentType.providedBy(context):
context = queryContentType(context)
if not context:
return None
if not IContentType.providedBy(ctype):
ctype = queryContentType(ctype)
if not ctype:
return None
connecter = queryAdapter(context, IRelationsLookUp)
if not connecter:
logger.exception('No IRelationsLookUp adapter found for '
'%s', context)
return None
return connecter.backward_with(ctype)
def queryBackwardRelations(context):
""" Lookup for context possible backward relations
"""
if not IContentType.providedBy(context):
context = queryContentType(context)
if not context:
return
connecter = queryAdapter(context, IRelationsLookUp)
if not connecter:
logger.exception('No IRelationsLookUp adapter found for '
'%s', context)
return
for relation in connecter.backward():
yield relation
def queryBackwardRelations(context):
""" Lookup for context possible backward relations
"""
if not IContentType.providedBy(context):
context = queryContentType(context)
if not context:
return
connecter = queryAdapter(context, IRelationsLookUp)
if not connecter:
logger.exception('No IRelationsLookUp adapter found for '
'%s', context)
return
for relation in connecter.backward():
yield relation
