def __init__(self, context, schema):
if not IComposedQuery.providedBy(context):
raise ValueError('context must provide IComposedQuery')
if not IInterface.providedBy(schema):
raise ValueError('schema provided must be interface')
self.context = context
self.schema = schema
def __init__(self, context, schema):
if not IComposedQuery.providedBy(context):
raise ValueError('context must provide IComposedQuery')
if not IInterface.providedBy(schema):
raise ValueError('schema provided must be interface')
self.context = context
self.schema = schema
def get_query(self, name):
attr = '_v_query_%s' % name
q = getattr(self, attr, None)
if q is None:
schema = self.form_definition().schema
composed = queryAdapter(self, IComposedQuery, name=name)
if not IComposedQuery.providedBy(composed):
return None
q = composed.build(schema)
if not is_query_complete(q):
return None # cannot perform query that is incomplete
setattr(self, attr, q) # cache success
return q
def grouped_query(group, schema):
"""
Given group as either an IFilterGroup or IComposedQuery, and a
schema context to apply to, compose a repoze.catalog query using the
set operator for the group/query object.
"""
if len(group) == 1:
# avoid unneccessary wrapping when only one item in group
if IComposedQuery.providedBy(group):
return grouped_query(group[0], schema)
else:
return filter_query(group[0], schema)
return setop_query(group.operator)(*[item.build(schema) for item in group])
def get_query(self, name):
attr = '_v_query_%s' % name
q = getattr(self, attr, None)
if q is None:
schema = self.form_definition().schema
composed = queryAdapter(self, IComposedQuery, name=name)
if not IComposedQuery.providedBy(composed):
return None
q = composed.build(schema)
if not is_query_complete(q):
return None # cannot perform query that is incomplete
setattr(self, attr, q) # cache success
return q
def grouped_query(group, schema):
"""
Given group as either an IFilterGroup or IComposedQuery, and a
schema context to apply to, compose a repoze.catalog query using the
set operator for the group/query object.
"""
if len(group) == 1:
# avoid unneccessary wrapping when only one item in group
if IComposedQuery.providedBy(group):
return grouped_query(group[0], schema)
else:
return filter_query(group[0], schema)
return setop_query(group.operator)(*[item.build(schema) for item in group])
