def __init__(self, name='DynFilterSrv', condition_srv_name='ConditionSrv'):
'''
@param name: The unique name of the service
'''
self._dfilters = Case().tag(name).tag(DynFilter.__name__)
self._conditions = Showcase.instance().get_case(condition_srv_name)
INamed.__init__(self, name)
def __init__(self, name='TableSrv'):
'''
@param name: The unique name of the service
'''
self._tables = Case().tag(name) \
.tag(Table.__name__) \
.tag(TableView.__name__)
INamed.__init__(self, name)
def __init__(self, name='ConditionSrv'):
'''
@param name: The unique name of the service
'''
self._conditions = Case().tag(name) \
.tag(Condition.__name__) \
.tag(CategoricalCondition.__name__) \
.tag(AttributeCondition.__name__) \
.tag(RangeCondition.__name__) \
.tag(QueryCondition.__name__)
INamed.__init__(self, name)
class ConditionService(INamed):
'''
This class provide a facade for managing Condition objects
'''
def __init__(self, name='ConditionSrv'):
'''
@param name: The unique name of the service
'''
self._conditions = Case().tag(name) \
.tag(Condition.__name__) \
.tag(CategoricalCondition.__name__) \
.tag(AttributeCondition.__name__) \
.tag(RangeCondition.__name__) \
.tag(QueryCondition.__name__)
INamed.__init__(self, name)
def register_in(self, dispatcher):
dispatcher.add_method(self.new_condition)
dispatcher.add_method(self.expose_condition)
dispatcher.add_method(self.del_condition)
# Condition Properties
dispatcher.add_method(partial(self._proxy_property, 'name'), 'name')
dispatcher.add_method(partial(self._proxy_property, 'data'), 'data')
dispatcher.add_method(partial(self._proxy_property, 'grammar'), 'grammar')
dispatcher.add_method(partial(self._proxy_property, 'enabled'), 'enabled')
# Condition Methods
dispatcher.add_method(partial(self._proxy, 'include_all'), 'include_all')
dispatcher.add_method(partial(self._proxy, 'exclude_all'), 'exclude_all')
dispatcher.add_method(partial(self._proxy, 'enable'), 'enable')
dispatcher.add_method(partial(self._proxy, 'disable'), 'disable')
# CategoricalCondition Properties
dispatcher.add_method(partial(self._proxy_property, 'attr'), 'attr')
dispatcher.add_method(partial(self._proxy, 'get_condition'), 'get_condition')
# CategoricalCondition Methods
dispatcher.add_method(partial(self._proxy, 'included_categories'), 'included_categories')
dispatcher.add_method(partial(self._proxy, 'excluded_categories'), 'excluded_categories')
dispatcher.add_method(partial(self._proxy, 'included_items'), 'included_items')
dispatcher.add_method(partial(self._proxy, 'excluded_items'), 'excluded_items')
dispatcher.add_method(partial(self._proxy, 'add_category'), 'add_category')
dispatcher.add_method(partial(self._proxy, 'remove_category'), 'remove_category')
dispatcher.add_method(partial(self._proxy, 'toggle_category'), 'toggle_category')
# AttributeCondition Methods
dispatcher.add_method(partial(self._proxy, 'included_attributes'), 'included_attributes')
dispatcher.add_method(partial(self._proxy, 'excluded_attributes'), 'excluded_attributes')
dispatcher.add_method(partial(self._proxy, 'add_attribute'), 'add_attribute')
dispatcher.add_method(partial(self._proxy, 'remove_attribute'), 'remove_attribute')
dispatcher.add_method(partial(self._proxy, 'toggle_attribute'), 'toggle_attribute')
# RangeCondition Properties
dispatcher.add_method(partial(self._proxy_property, 'range'), 'range')
dispatcher.add_method(partial(self._proxy_property, 'domain'), 'domain')
# RangeCondition Methods
dispatcher.add_method(partial(self._proxy, 'set_range'), 'set_range')
# QueryCondition Properties
dispatcher.add_method(partial(self._proxy_property, 'query'), 'query')
# QueryCondition Methods
dispatcher.add_method(partial(self._proxy, 'set_query'), 'set_query')
def _proxy(self, method, condition_oid, *args, **kwargs):
condition = self._conditions[condition_oid]
result = condition.__getattribute__(method)(*args, **kwargs)
if isinstance(result, Condition):
self._conditions[result.oid] = result
return result
def _proxy_property(self, method, condition_oid):
condition = self._conditions[condition_oid]
result = condition.__getattribute__(method)
if isinstance(result, Condition):
self._conditions[result.oid] = result
return result
def new_condition(self, kind, data, *args, **kwargs):
dataset = Showcase.instance().get(data)
if kind == 'categorical':
new_condition = CategoricalCondition(dataset, *args, **kwargs)
if kind == 'attribute':
new_condition = AttributeCondition(dataset, *args, **kwargs)
if kind == 'range':
new_condition = RangeCondition(dataset, *args, **kwargs)
if kind == 'query':
new_condition = QueryCondition(dataset, *args, **kwargs)
self._conditions[new_condition.oid] = new_condition
return new_condition
def expose_condition(self, condition):
self._conditions[condition.oid] = condition
return condition
def del_condition(self, oid):
self._conditions.pop(oid)
class TableService(INamed):
'''
This class provide a facade for managing table objects
'''
def __init__(self, name='TableSrv'):
'''
@param name: The unique name of the service
'''
self._tables = Case().tag(name) \
.tag(Table.__name__) \
.tag(TableView.__name__)
INamed.__init__(self, name)
def register_in(self, dispatcher):
dispatcher.add_method(self.new_table)
dispatcher.add_method(self.expose_table)
dispatcher.add_method(self.del_table)
dispatcher.add_method(self.load_data)
dispatcher.add_method(self.concat_data)
dispatcher.add_method(self.load_schema)
# TableView properties
dispatcher.add_method(partial(self._proxy_property, 'name'), 'name')
dispatcher.add_method(partial(self._proxy_property, 'index'), 'index')
dispatcher.add_method(partial(self._proxy_property, 'schema'), 'schema')
dispatcher.add_method(partial(self._proxy_property, 'view_args'), 'view_args')
# TableView methods
dispatcher.add_method(partial(self._proxy, 'get_data'), 'get_data')
dispatcher.add_method(partial(self._proxy, 'find'), 'find')
dispatcher.add_method(partial(self._proxy, 'find_one'), 'find_one')
dispatcher.add_method(partial(self._proxy, 'distinct'), 'distinct')
dispatcher.add_method(partial(self._proxy, 'aggregate'), 'aggregate')
dispatcher.add_method(partial(self._proxy, 'row_count'), 'row_count')
dispatcher.add_method(partial(self._proxy, 'column_count'), 'column_count')
dispatcher.add_method(partial(self._proxy, 'column_names'), 'column_names')
# Table methods
dispatcher.add_method(partial(self._proxy, 'data'), 'data')
dispatcher.add_method(partial(self._proxy, 'insert'), 'insert')
dispatcher.add_method(partial(self._proxy, 'update'), 'update')
dispatcher.add_method(partial(self._proxy, 'remove'), 'remove')
dispatcher.add_method(partial(self._proxy, 'add_column'), 'add_column')
dispatcher.add_method(partial(self._proxy, 'add_derived_column'), 'add_derived_column')
dispatcher.add_method(partial(self._proxy, 'rename_columns'), 'rename_columns')
def _proxy(self, method, table_oid, *args, **kwargs):
table = self._tables[table_oid]
result = table.__getattribute__(method)(*args, **kwargs)
if isinstance(result, ITableView):
self._tables[result.oid] = result
return result
def _proxy_property(self, method, table_oid):
table = self._tables[table_oid]
result = table.__getattribute__(method)
if isinstance(result, ITableView):
self._tables[result.oid] = result
return result
def new_table(self, name, data, schema=None, prefix=''):
'''
:param str name: If a name is not provided, an uuid is generated
:param dict data: A list of dicts, each dict is a row.
:param schema: The schema associated to the data.
:param str prefix: Prepended to the name creates the oid
'''
new_table = Table(name, schema, prefix=prefix).data(data)
self._tables[new_table.oid] = new_table
return new_table
def expose_table(self, table):
self._tables[table.oid] = table
return table
def del_table(self, oid):
self._tables.pop(oid)
def __getattr__(self, method):
if method in ['name', 'index', 'view_args', 'schema']:
return partial(self._proxy_property, method)
else:
return partial(self._proxy, method)
def load_data(self, str_data, table_name, infer, sch): # Load new data to dataset (removing old data)
index_col = 'id_index'
# Clean CSV (extra columns with comma ',')
lines = [line.rstrip(',') for line in str_data.encode('utf-8').split('\n')]
str_data = '\n'.join(lines)
# Receive the data as string
data=StringIO(str_data)
df = pd.read_csv(data, sep=",")
# Create id_index column
if index_col in df.columns:
df.drop(labels=[index_col], axis=1, inplace = True)
df.insert(0, index_col, df.index)
df.fillna("NaN", inplace=True)
print ":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::"
print ":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::"
from pprint import pprint
pprint(df)
print ":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::"
print ":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::"
table = self._tables[table_name]
if (infer == True): table._schema = None
table.data(df)
_backend = MongoTable(table_name, table._schema, prefix='')
_backend.data(df)
return table._schema
def concat_data(self, str_data, table_name, new_cols=None): # Concat new data to current dataset
index_col = 'id_index'
# Clean CSV (extra columns with comma ',')
lines = [line.rstrip(',') for line in str_data.encode('utf-8').split('\n')]
str_data = '\n'.join(lines)
# Receive the data as string
data=StringIO(str_data)
df = pd.read_csv(data, sep=",")
df.fillna("NaN", inplace=True)
table = self._tables[table_name]
try: max_id_index = table.find_one(sort=[(index_col, -1)])[index_col]
except: pass
# Create id_index column
if index_col in df.columns:
df.drop(labels=[index_col], axis=1, inplace = True)
df.insert(0, index_col, range(max_id_index+1, max_id_index+df.shape[0]+1))
# Add columns of the new data
if new_cols is not None:
if index_col in new_cols: new_cols.remove(index_col)
concat_schema = {}
for attr in new_cols:
attr_utf = attr.encode('utf-8')
concat_schema[attr_utf] = dict(AttributeSchema.infer_from_data(df[attr_utf])._schema)
table._schema._schema['attributes'].update(collections.OrderedDict(concat_schema))
dict_data = df.to_dict()
list_all_insert = []
data_insert = {}
continue_bool = True
i = 0
while continue_bool:
for data in dict_data.keys():
try: data_insert[data] = dict_data[data][i]
except:
continue_bool = False
break
i += 1
if continue_bool:
list_all_insert.append(data_insert)
data_insert = {}
table.insert(list_all_insert)
return table._schema
def load_schema(self, table_name, schema): # Load new schema
# Receive the schema as string
table = self._tables[table_name]
# String to OrderedDict
schema = json.loads(schema, object_pairs_hook=collections.OrderedDict)
table._schema = TableSchema(schema['attributes'], schema['index'])
return table._schema
def __init__(self, name='SharedObjectSrv'):
'''
@param name: The unique name of the service
'''
self._shared_objects = Case().tag(name).tag(SharedObject.__name__)
INamed.__init__(self, name)
class SharedObjectService(INamed):
'''
This class provide a facade for managing SharedObjects
'''
def __init__(self, name='SharedObjectSrv'):
'''
@param name: The unique name of the service
'''
self._shared_objects = Case().tag(name).tag(SharedObject.__name__)
INamed.__init__(self, name)
def register_in(self, dispatcher):
dispatcher.add_method(self.new_shared_object)
dispatcher.add_method(self.expose_shared_object)
dispatcher.add_method(self.del_shared_object)
dispatcher.add_method(self.clear)
dispatcher.add_method(self.push)
# SharedObject properties
dispatcher.add_method(partial(self._proxy_property, 'name'), 'name')
dispatcher.add_method(partial(self._proxy_property, 'grammar'), 'grammar')
# SharedObject methods
dispatcher.add_method(partial(self._proxy, 'pull'), 'pull')
def _proxy(self, method, shared_object_oid, *args, **kwargs):
shared_object = self._shared_objects[shared_object_oid]
result = shared_object.__getattribute__(method)(*args, **kwargs)
return result
def _proxy_property(self, method, shared_object_oid):
shared_object = self._shared_objects[shared_object_oid]
result = shared_object.__getattribute__(method)
return result
def push(self, oid, data, version):
'''
:param oid: The SharedObject oid
:param data: list or dict. The updated data.
:param version: This should be the returned by pull or push methods.
:returns: tuple(conflict_ocurred, new_version)
conflict_ocurred: True if provided version is older than current
False otherwise
new_version: The version generated after the modification.
Becomes the current one.
'''
shared_object = self._shared_objects[oid]
conflict = False
try:
new_version = shared_object.push(data, version)
except VersionError:
conflict = True
new_version = None
return (conflict, new_version)
def new_shared_object(self, name, data, prefix=''):
'''
:param str name: If a name is not provided, an uuid is generated
:param data: A dict or list
:param str prefix: Prepended to the name creates the oid
'''
new_shared_object = SharedObject(name, data, prefix=prefix)
self._shared_objects[new_shared_object.oid] = new_shared_object
return new_shared_object
def expose_shared_object(self, shared_object):
self._shared_objects[shared_object.oid] = shared_object
return shared_object
def del_shared_object(self, oid):
self._shared_objects.pop(oid)
def clear(self):
self._shared_objects.clear()
def __getattr__(self, method):
if method in ['name', 'grammar']:
return partial(self._proxy_property, method)
else:
return partial(self._proxy, method)
class DynFilterService(INamed):
'''
This class provide a facade for managing DynFilter objects
'''
def __init__(self, name='DynFilterSrv', condition_srv_name='ConditionSrv'):
'''
@param name: The unique name of the service
'''
self._dfilters = Case().tag(name).tag(DynFilter.__name__)
self._conditions = Showcase.instance().get_case(condition_srv_name)
INamed.__init__(self, name)
def register_in(self, dispatcher):
dispatcher.add_method(self.new_dfilter)
dispatcher.add_method(self.expose_dfilter)
dispatcher.add_method(self.del_dfilter)
dispatcher.add_method(self.clear)
# DynFilter Methods
dispatcher.add_method(partial(self._proxy, 'new_categorical_condition'), 'new_categorical_condition')
dispatcher.add_method(partial(self._proxy, 'new_attribute_condition'), 'new_attribute_condition')
dispatcher.add_method(partial(self._proxy, 'new_range_condition'), 'new_range_condition')
dispatcher.add_method(partial(self._proxy, 'new_query_condition'), 'new_query_condition')
# ConditionSet Methods
dispatcher.add_method(partial(self._proxy, 'add_condition'), 'add_condition')
dispatcher.add_method(partial(self._proxy, 'set_condition'), 'set_condition')
dispatcher.add_method(partial(self._proxy, 'update'), 'update')
dispatcher.add_method(partial(self._proxy, 'remove_condition'), 'remove_condition')
dispatcher.add_method(partial(self._proxy, 'has_condition'), 'has_condition')
dispatcher.add_method(partial(self._proxy, 'get_condition'), 'get_condition')
dispatcher.add_method(partial(self._proxy, 'get_conditions'), 'get_conditions')
# ConditionSet Properties
dispatcher.add_method(partial(self._proxy_property, 'name'), 'name')
dispatcher.add_method(partial(self._proxy_property, 'grammar'), 'grammar')
dispatcher.add_method(partial(self._proxy_property, 'grammar_of_conditions'), 'grammar_of_conditions')
dispatcher.add_method(partial(self._proxy_property, 'reference'), 'reference')
dispatcher.add_method(partial(self._proxy_property, 'projection'), 'projection')
dispatcher.add_method(partial(self._proxy_property, 'query'), 'query')
dispatcher.add_method(partial(self._proxy_property, 'view_args'), 'view_args')
def _proxy(self, method, dfilter_oid, *args, **kwargs):
dfilter = self._dfilters[dfilter_oid]
result = dfilter.__getattribute__(method)(*args, **kwargs)
if isinstance(result, Condition):
self._conditions[result.oid] = result
return result
def _proxy_property(self, method, dfilter_oid):
dfilter = self._dfilters[dfilter_oid]
result = dfilter.__getattribute__(method)
if isinstance(result, Condition):
self._conditions[result.oid] = result
return result
def new_dfilter(self, name, data, setop='AND', prefix=''):
dataset = Showcase.instance().get(data)
new_dfilter = DynFilter(name, dataset, setop, prefix=prefix)
self._dfilters[new_dfilter.oid] = new_dfilter
return new_dfilter
def expose_dfilter(self, dfilter):
self._dfilters[dfilter.oid] = dfilter
return dfilter
def del_dfilter(self, oid):
self._dfilters.pop(oid)
def clear(self):
self._dfilters.clear()
self._conditions.clear()
def __init__(self, name='GrammarSrv'):
'''
:param name: The unique name of the service
'''
self._roots = Case().tag(name).tag(Root.__name__)
INamed.__init__(self, name)
class GrammarService(INamed):
'''
This class let clients create
'''
def __init__(self, name='GrammarSrv'):
'''
:param name: The unique name of the service
'''
self._roots = Case().tag(name).tag(Root.__name__)
INamed.__init__(self, name)
def register_in(self, dispatcher):
dispatcher.add_method(self.new_root)
dispatcher.add_method(self.expose_root)
dispatcher.add_method(self.del_root)
dispatcher.add_method(self.build)
dispatcher.add_method(partial(self._proxy_instanciator, 'add_dataset'), 'add_dataset')
dispatcher.add_method(partial(self._proxy_instanciator, 'add_dynamic'), 'add_dynamic')
dispatcher.add_method(partial(self._proxy_instanciator, 'add_condition'), 'add_condition')
dispatcher.add_method(partial(self._proxy_property, 'grammar'), 'grammar')
def build(self, grammar, objects=None):
showcase = Showcase.instance()
if objects:
objects = {o:showcase.get(o) for o in objects}
instances = Root.build(grammar, objects)
print '////', instances
for name, instance in instances.items():
case = showcase.get_case(instance.__class__.__name__)
case[name] = instance
return instances.values()
def _proxy(self, method, root_oid, *args, **kwargs):
root = self._roots[root_oid]
result = root.__getattribute__(method)(*args, **kwargs)
return result
def _proxy_property(self, method, root_oid):
root = self._roots[root_oid]
result = root.__getattribute__(method)
return result
def _proxy_instanciator(self, method, root_oid, object_or_objects):
showcase = Showcase.instance()
names = object_or_objects if isinstance(object_or_objects, list) else [object_or_objects]
objects = [showcase.get(n) for n in names]
return self._proxy(method, root_oid, objects)
def new_root(self, name, prefix=''):
'''
:param str name: The name is ussed as identifier
:param str prefix: Prepended to the name creates the oid
'''
new_root = Root(name, prefix=prefix)
self._roots[new_root.oid] = new_root
return new_root
def expose_root(self, root):
self._roots[root.oid] = root
return root
def del_root(self, oid):
self._roots.pop(oid)
class ConditionService(INamed):
'''
This class provide a facade for managing Condition objects
'''
def __init__(self, name='ConditionSrv'):
'''
@param name: The unique name of the service
'''
self._conditions = Case().tag(name) \
.tag(Condition.__name__) \
.tag(CategoricalCondition.__name__) \
.tag(AttributeCondition.__name__) \
.tag(RangeCondition.__name__) \
.tag(QueryCondition.__name__)
INamed.__init__(self, name)
def register_in(self, dispatcher):
dispatcher.add_method(self.new_condition)
dispatcher.add_method(self.expose_condition)
dispatcher.add_method(self.del_condition)
dispatcher.add_method(self.update_conditions)
dispatcher.add_method(self.update_conditions2)
# Condition Properties
dispatcher.add_method(partial(self._proxy_property, 'name'), 'name')
dispatcher.add_method(partial(self._proxy_property, 'data'), 'data')
dispatcher.add_method(partial(self._proxy_property, 'grammar'), 'grammar')
dispatcher.add_method(partial(self._proxy_property, 'enabled'), 'enabled')
# Condition Methods
dispatcher.add_method(partial(self._proxy, 'include_all'), 'include_all')
dispatcher.add_method(partial(self._proxy, 'exclude_all'), 'exclude_all')
dispatcher.add_method(partial(self._proxy, 'enable'), 'enable')
dispatcher.add_method(partial(self._proxy, 'disable'), 'disable')
# CategoricalCondition Properties
dispatcher.add_method(partial(self._proxy_property, 'attr'), 'attr')
dispatcher.add_method(partial(self._proxy, 'get_condition'), 'get_condition')
# CategoricalCondition Methods
dispatcher.add_method(partial(self._proxy, 'included_categories'), 'included_categories')
dispatcher.add_method(partial(self._proxy, 'excluded_categories'), 'excluded_categories')
dispatcher.add_method(partial(self._proxy, 'included_items'), 'included_items')
dispatcher.add_method(partial(self._proxy, 'excluded_items'), 'excluded_items')
dispatcher.add_method(partial(self._proxy, 'add_category'), 'add_category')
dispatcher.add_method(partial(self._proxy, 'remove_category'), 'remove_category')
dispatcher.add_method(partial(self._proxy, 'toggle_category'), 'toggle_category')
# AttributeCondition Methods
dispatcher.add_method(partial(self._proxy, 'included_attributes'), 'included_attributes')
dispatcher.add_method(partial(self._proxy, 'excluded_attributes'), 'excluded_attributes')
dispatcher.add_method(partial(self._proxy, 'add_attribute'), 'add_attribute')
dispatcher.add_method(partial(self._proxy, 'remove_attribute'), 'remove_attribute')
dispatcher.add_method(partial(self._proxy, 'toggle_attribute'), 'toggle_attribute')
# RangeCondition Properties
dispatcher.add_method(partial(self._proxy_property, 'range'), 'range')
dispatcher.add_method(partial(self._proxy_property, 'domain'), 'domain')
# RangeCondition Methods
dispatcher.add_method(partial(self._proxy, 'set_range'), 'set_range')
# QueryCondition Properties
dispatcher.add_method(partial(self._proxy_property, 'query'), 'query')
# QueryCondition Methods
dispatcher.add_method(partial(self._proxy, 'set_query'), 'set_query')
def _proxy(self, method, condition_oid, *args, **kwargs):
condition = self._conditions[condition_oid]
result = condition.__getattribute__(method)(*args, **kwargs)
if isinstance(result, Condition):
self._conditions[result.oid] = result
return result
def _proxy_property(self, method, condition_oid):
condition = self._conditions[condition_oid]
result = condition.__getattribute__(method)
if isinstance(result, Condition):
self._conditions[result.oid] = result
return result
def new_condition(self, kind, data, *args, **kwargs):
dataset = Showcase.instance().get(data)
if kind == 'categorical':
new_condition = CategoricalCondition(dataset, *args, **kwargs)
if kind == 'attribute':
new_condition = AttributeCondition(dataset, *args, **kwargs)
if kind == 'range':
new_condition = RangeCondition(dataset, *args, **kwargs)
if kind == 'query':
new_condition = QueryCondition(dataset, *args, **kwargs)
self._conditions[new_condition.oid] = new_condition
return new_condition
def expose_condition(self, condition):
self._conditions[condition.oid] = condition
return condition
def del_condition(self, oid):
self._conditions.pop(oid)
def update_conditions(self): # Update all conditions (variable _domain)
from pprint import pprint
for ind in self._conditions.keys():
cond = self._conditions[ind]
cond._sieve._domain = set(cond._sieve._data.distinct(cond._sieve._data_index)) # UPDATE
#domm = cond._sieve._data.aggregate([{'$match': {cond._attr: {'$type': 1}}}, # Only numbers
# {'$group':
# {'_id': {},
# 'min': {'$min': "$"+cond._attr},
# 'max': {'$max': "$"+cond._attr}}}]).get_data()
#ran = cond._sieve._data.distinct(cond._attr)
#min_ran = min(ran)
#max_ran = max(ran)
#cond._range = {'min': min_ran, 'max': max_ran}
#cond._sieve._domain = {'min': min_ran, 'max': max_ran}
#pprint(cond._sieve._domain)
return self._conditions
def update_conditions2(self, conditions): # Update all conditions (variable _domain)
from pprint import pprint
for ind in conditions.keys():
cond = conditions[ind]['grammar']
condition = self._conditions[cond['name']]
if cond['type'] == "categorical":
condition._sieve._domain = set(condition._sieve._data.distinct(condition._sieve._data_index)) # UPDATE
cond['included_categories'] = list(set(condition._sieve._data.distinct(condition._sieve._data_index)))
cond['excluded_categories'] = []
elif cond['type'] == "range":
ran = condition._sieve._data.distinct(condition._attr)
min_ran = min(ran)
max_ran = max(ran)
if max_ran == min_ran:
min_ran -= 1
max_ran += 1
relative_max = condition._to_relative(condition._range['max'])
relative_min = condition._to_relative(condition._range['min'])
condition._domain = {'min': min_ran, 'max': max_ran}
condition._range = {'min': min_ran, 'max': max_ran, 'relative_min': relative_min, 'relative_max': relative_max}
cond['domain'] = condition._domain
cond['range'] = condition._range
return conditions