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======
Error classes and error-handling helpers used by the packaging library.
Currently this contains :class:`~packaging.errors.ExceptionGroup`, a simple
backport of the stdlib :external:exc:`ExceptionGroup`. It is recommended to use
the stdlib module on Python 3.11+, but this does reexport that as well.
Recommended Usage
-----------------
.. code-block:: python
import sys
if sys.version_info < (3, 11):
from packaging.errors import ExceptionGroup
try:
...
except ExceptionGroup as err:
for error in err.exceptions:
...
Reference
---------
.. This has to be listed here so building it on newer Python keeps the docs
.. py:class:: packaging.errors.ExceptionGroup(message: str, exceptions: list[Exception])
On older Pythons, this is a small fallback implementation of the
:external:exc:`ExceptionGroup` introduced in Python 3.11.
:param message: The message for the group.
:param exceptions: A list of exceptions contained in the group.
Attributes
----------
message (str)
The message passed to the group.
exceptions (list[Exception])
The exceptions contained in the group.
.. automodule:: packaging.errors
:members:
:exclude-members: ExceptionGroup
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