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Name	Size	Permission	Action
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	1.58 KB	-rw-r--r--
__init__.pyi	14.49 KB	-rw-r--r--
_cmp.py	4.04 KB	-rw-r--r--
_cmp.pyi	318 B	-rw-r--r--
_compat.py	7.38 KB	-rw-r--r--
_config.py	514 B	-rw-r--r--
_funcs.py	13.08 KB	-rw-r--r--
_make.py	95.45 KB	-rw-r--r--
_next_gen.py	3.98 KB	-rw-r--r--
_version_info.py	2.11 KB	-rw-r--r--
_version_info.pyi	209 B	-rw-r--r--
converters.py	2.97 KB	-rw-r--r--
converters.pyi	382 B	-rw-r--r--
exceptions.py	1.9 KB	-rw-r--r--
exceptions.pyi	540 B	-rw-r--r--
filters.py	1.07 KB	-rw-r--r--
filters.pyi	216 B	-rw-r--r--
py.typed	0 B	-rw-r--r--
setters.py	1.4 KB	-rw-r--r--
setters.pyi	574 B	-rw-r--r--
validators.py	11.23 KB	-rw-r--r--
validators.pyi	1.83 KB	-rw-r--r--

Code Editor : setters.py

"""
Commonly used hooks for on_setattr.
"""

from __future__ import absolute_import, division, print_function

from . import _config
from .exceptions import FrozenAttributeError

def pipe(*setters):
    """
    Run all *setters* and return the return value of the last one.

.. versionadded:: 20.1.0
    """

def wrapped_pipe(instance, attrib, new_value):
        rv = new_value

for setter in setters:
            rv = setter(instance, attrib, rv)

return rv

return wrapped_pipe

def frozen(_, __, ___):
    """
    Prevent an attribute to be modified.

.. versionadded:: 20.1.0
    """
    raise FrozenAttributeError()

def validate(instance, attrib, new_value):
    """
    Run *attrib*'s validator on *new_value* if it has one.

.. versionadded:: 20.1.0
    """
    if _config._run_validators is False:
        return new_value

v = attrib.validator
    if not v:
        return new_value

v(instance, attrib, new_value)

return new_value

def convert(instance, attrib, new_value):
    """
    Run *attrib*'s converter -- if it has one --  on *new_value* and return the
    result.

.. versionadded:: 20.1.0
    """
    c = attrib.converter
    if c:
        return c(new_value)

return new_value

NO_OP = object()
"""
Sentinel for disabling class-wide *on_setattr* hooks for certain attributes.

Does not work in `pipe` or within lists.

.. versionadded:: 20.1.0
"""