Search notes:
Python standard library: collections.namedtuple
collections.namedtuple allows to create objects with a given set of field names (attributes), somewhat similar to a
struct in
C.
from collections import namedtuple
NTcls = namedtuple(
'NT' , # class name
['val1', 'val2', 'val3'] # field names
)
print(type(NTcls)) # <class 'type'>
print([ d for d in dir(NTcls) if not d.startswith('__') ]) # ['_asdict', '_field_defaults', '_fields', '_make', '_replace', 'count', 'index', 'val1', 'val2', 'val3']
print(NTcls._fields) # ('val1', 'val2', 'val3')
ntObj1 = NTcls('foo', 'bar', 'baz')
print(ntObj1) # NT(val1='foo', val2='bar', val3='baz')
ntObj2 = NTcls( val2='world',val1='hello', val3='!' )
print(ntObj2) # NT(val1='hello', val2='world', val3='!')
ntObj3 = NTcls._make( ['x', 'y', 'z'] )
print(ntObj3) # NT(val1='x', val2='y', val3='z')
ntDict = ntObj3._asdict()
print(ntDict['val2']) # y
See also
typing.NamedTuple is the typed version of collection.namedtuple.