[utils] Add try_get
To reduce boilerplate when accessing JSON
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@ -1901,6 +1901,16 @@ def dict_get(d, key_or_keys, default=None, skip_false_values=True):
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return d.get(key_or_keys, default)
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def try_get(src, getter, expected_type=None):
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try:
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v = getter(src)
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except (AttributeError, KeyError, TypeError, IndexError):
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pass
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else:
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if expected_type is None or isinstance(v, expected_type):
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return v
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def encode_compat_str(string, encoding=preferredencoding(), errors='strict'):
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return string if isinstance(string, compat_str) else compat_str(string, encoding, errors)
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