diff options
author | noptuno <repollo.marrero@gmail.com> | 2023-04-28 02:29:30 +0200 |
---|---|---|
committer | noptuno <repollo.marrero@gmail.com> | 2023-04-28 02:29:30 +0200 |
commit | 355dee533bb34a571b9367820a63cccb668cf866 (patch) | |
tree | 838af886b4fec07320aeb10f0d1e74ba79e79b5c /venv/lib/python3.9/site-packages/attr/setters.py | |
parent | added pyproject.toml file (diff) | |
download | gpt4free-355dee533bb34a571b9367820a63cccb668cf866.tar gpt4free-355dee533bb34a571b9367820a63cccb668cf866.tar.gz gpt4free-355dee533bb34a571b9367820a63cccb668cf866.tar.bz2 gpt4free-355dee533bb34a571b9367820a63cccb668cf866.tar.lz gpt4free-355dee533bb34a571b9367820a63cccb668cf866.tar.xz gpt4free-355dee533bb34a571b9367820a63cccb668cf866.tar.zst gpt4free-355dee533bb34a571b9367820a63cccb668cf866.zip |
Diffstat (limited to 'venv/lib/python3.9/site-packages/attr/setters.py')
-rw-r--r-- | venv/lib/python3.9/site-packages/attr/setters.py | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/venv/lib/python3.9/site-packages/attr/setters.py b/venv/lib/python3.9/site-packages/attr/setters.py new file mode 100644 index 00000000..12ed6750 --- /dev/null +++ b/venv/lib/python3.9/site-packages/attr/setters.py @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: MIT + +""" +Commonly used hooks for on_setattr. +""" + + +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 + + +# Sentinel for disabling class-wide *on_setattr* hooks for certain attributes. +# autodata stopped working, so the docstring is inlined in the API docs. +NO_OP = object() |