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banal_library_type_checking_and_list_conversion_helpers.py

python

A collection of tiny Python helper functions for common data type checks and conve

15d ago14 linespudo/banal
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banal_library_type_checking_and_list_conversion_helpers.py
1from banal import is_mapping, is_sequence, ensure_list
2
3# Check if an object is dict-like
4print(is_mapping({'a': 1}))  # True
5print(is_mapping([1, 2, 3])) # False
6
7# Check if an object is list-like (but not a string)
8print(is_sequence([1, 2, 3])) # True
9print(is_sequence("hello"))   # False
10
11# Ensure a value is returned as a list
12print(ensure_list(None))      # []
13print(ensure_list('test'))    # ['test']
14print(ensure_list(['a', 'b'])) # ['a', 'b']