def select(data, field_name):
"""
return list with values from field_name
"""
if isinstance(data, Cube):
return data._select(_normalize_selects(field_name))
if isinstance(data, PartFlatList):
return data.select(field_name)
if isinstance(data, UniqueIndex):
data = data._data.values(
) # THE SELECT ROUTINE REQUIRES dicts, NOT Data WHILE ITERATING
if isinstance(data, Mapping):
return select_one(data, field_name)
if isinstance(field_name, Mapping):
field_name = wrap(field_name)
if field_name.value in ["*", "."]:
return data
if field_name.value:
# SIMPLIFY {"value":value} AS STRING
field_name = field_name.value
# SIMPLE PYTHON ITERABLE ASSUMED
if isinstance(field_name, basestring):
path = split_field(field_name)
if len(path) == 1:
return FlatList([d[field_name] for d in data])
else:
output = FlatList()
flat_list._select1(data, path, 0, output)
return output
elif isinstance(field_name, list):
keys = [_select_a_field(wrap(f)) for f in field_name]
return _select(Data(), unwrap(data), keys, 0)
else:
keys = [_select_a_field(field_name)]
return _select(Data(), unwrap(data), keys, 0)
def select(data, field_name):
"""
return list with values from field_name
"""
if isinstance(data, Cube):
return data._select(_normalize_selects(field_name))
if isinstance(data, FlatList):
return data.select(field_name)
if isinstance(data, UniqueIndex):
data = data._data.values() # THE SELECT ROUTINE REQUIRES dicts, NOT Dict WHILE ITERATING
if isinstance(data, Mapping):
return select_one(data, field_name)
if isinstance(field_name, Mapping):
field_name = wrap(field_name)
if field_name.value in ["*", "."]:
return data
if field_name.value:
# SIMPLIFY {"value":value} AS STRING
field_name = field_name.value
# SIMPLE PYTHON ITERABLE ASSUMED
if isinstance(field_name, basestring):
path = split_field(field_name)
if len(path) == 1:
return DictList([d[field_name] for d in data])
else:
output = DictList()
flat_list._select1(data, path, 0, output)
return output
elif isinstance(field_name, list):
keys = [_select_a_field(wrap(f)) for f in field_name]
return _select(Dict(), unwrap(data), keys, 0)
else:
keys = [_select_a_field(field_name)]
return _select(Dict(), unwrap(data), keys, 0)