DefaultMunch TypeError

[hginzel]

The defaultdict example from its documentation produces TypeError

from munch import DefaultMunch
#from collections import defaultdict

import sys;     print(sys.version)
import munch;   print(munch.__version__)

s = [('yellow', 1), ('blue', 2), ('yellow', 3), ('blue', 4), ('red', 1)]
#d = defaultdict(list)
d = DefaultMunch(list)
for k, v in s: d[k].append(v)

print(sorted(d.items()))

outputs

3.8.5 (default, Jul 28 2020, 12:59:40)
[GCC 9.3.0]
2.3.2
Traceback (most recent call last):
  File "test_DefaultMunch.py", line 10, in <module>
    for k, v in s: d[k].append(v)
TypeError: descriptor 'append' for 'list' objects doesn't apply to a 'int' object

[d1618033]

DefaultMunch only works for constants, not functions/classes. You should use DefaultFactoryMunch instead:

 from munch import DefaultFactoryMunch
 #from collections import defaultdict

 import sys;     print(sys.version)
 import munch;   print(munch.__version__)

 s = [('yellow', 1), ('blue', 2), ('yellow', 3), ('blue', 4), ('red', 1)]
 #d = defaultdict(list)
 d = DefaultFactoryMunch(list)
 for k, v in s: d[k].append(v)

 print(sorted(d.items()))

output:

3.8.6 (default, Jan  4 2021, 19:49:33)
[Clang 12.0.0 (clang-1200.0.32.27)]
2.5.0
[('blue', [2, 4]), ('red', [1]), ('yellow', [1, 3])]

[hginzel]

Thank you.