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Commonly useful converters.
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A converter that allows an attribute to be optional. An optional attribute
is one which can be set to ``None``.
Type annotations will be inferred from the wrapped converter's, if it
has any.
:param callable converter: the converter that is used for non-``None``
values.
.. versionadded:: 17.1.0
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A converter that allows to replace ``None`` values by *default* or the
result of *factory*.
:param default: Value to be used if ``None`` is passed. Passing an instance
of `attrs.Factory` is supported, however the ``takes_self`` option
is *not*.
:param callable factory: A callable that takes no parameters whose result
is used if ``None`` is passed.
:raises TypeError: If **neither** *default* or *factory* is passed.
:raises TypeError: If **both** *default* and *factory* are passed.
:raises ValueError: If an instance of `attrs.Factory` is passed with
``takes_self=True``.
.. versionadded:: 18.2.0
Nz(Must pass either `default` or `factory`.z5Must pass either `default` or `factory` but not both.z1`takes_self` is not supported by default_if_none.c �4 �� | �| S �� � � S r
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Convert "boolean" strings (e.g., from env. vars.) to real booleans.
Values mapping to :code:`True`:
- :code:`True`
- :code:`"true"` / :code:`"t"`
- :code:`"yes"` / :code:`"y"`
- :code:`"on"`
- :code:`"1"`
- :code:`1`
Values mapping to :code:`False`:
- :code:`False`
- :code:`"false"` / :code:`"f"`
- :code:`"no"` / :code:`"n"`
- :code:`"off"`
- :code:`"0"`
- :code:`0`
:raises ValueError: for any other value.
.. versionadded:: 21.3.0
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� )� )� )� )� )� )� )� )� )� )� )� )� )� )� )� )� � � �� � � �@ $�T� 1%� 1%� 1%� 1%�h&=� &=� &=� &=� &=r | Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| __init__.cpython-311.pyc | File | 4.26 KB | 0644 |
|
| _cmp.cpython-311.pyc | File | 4.97 KB | 0644 |
|
| _compat.cpython-311.pyc | File | 6.32 KB | 0644 |
|
| _config.cpython-311.pyc | File | 1.17 KB | 0644 |
|
| _funcs.cpython-311.pyc | File | 16.19 KB | 0644 |
|
| _make.cpython-311.pyc | File | 103.42 KB | 0644 |
|
| _next_gen.cpython-311.pyc | File | 6.6 KB | 0644 |
|
| _version_info.cpython-311.pyc | File | 3.56 KB | 0644 |
|
| converters.cpython-311.pyc | File | 4.57 KB | 0644 |
|
| exceptions.cpython-311.pyc | File | 3.9 KB | 0644 |
|
| filters.cpython-311.pyc | File | 2.82 KB | 0644 |
|
| setters.cpython-311.pyc | File | 1.91 KB | 0644 |
|
| validators.cpython-311.pyc | File | 27.98 KB | 0644 |
|