Current File : //proc/thread-self/root/opt/alt/python37/lib/python3.7/site-packages/sentry_sdk/_functools.py
"""
A backport of Python 3 functools to Python 2/3. The only important change
we rely upon is that `update_wrapper` handles AttributeError gracefully.
"""
from functools import partial
from sentry_sdk._types import MYPY
if MYPY:
from typing import Any
from typing import Callable
WRAPPER_ASSIGNMENTS = (
"__module__",
"__name__",
"__qualname__",
"__doc__",
"__annotations__",
)
WRAPPER_UPDATES = ("__dict__",)
def update_wrapper(
wrapper, wrapped, assigned=WRAPPER_ASSIGNMENTS, updated=WRAPPER_UPDATES
):
# type: (Any, Any, Any, Any) -> Any
"""Update a wrapper function to look like the wrapped function
wrapper is the function to be updated
wrapped is the original function
assigned is a tuple naming the attributes assigned directly
from the wrapped function to the wrapper function (defaults to
functools.WRAPPER_ASSIGNMENTS)
updated is a tuple naming the attributes of the wrapper that
are updated with the corresponding attribute from the wrapped
function (defaults to functools.WRAPPER_UPDATES)
"""
for attr in assigned:
try:
value = getattr(wrapped, attr)
except AttributeError:
pass
else:
setattr(wrapper, attr, value)
for attr in updated:
getattr(wrapper, attr).update(getattr(wrapped, attr, {}))
# Issue #17482: set __wrapped__ last so we don't inadvertently copy it
# from the wrapped function when updating __dict__
wrapper.__wrapped__ = wrapped
# Return the wrapper so this can be used as a decorator via partial()
return wrapper
def wraps(wrapped, assigned=WRAPPER_ASSIGNMENTS, updated=WRAPPER_UPDATES):
# type: (Callable[..., Any], Any, Any) -> Callable[[Callable[..., Any]], Callable[..., Any]]
"""Decorator factory to apply update_wrapper() to a wrapper function
Returns a decorator that invokes update_wrapper() with the decorated
function as the wrapper argument and the arguments to wraps() as the
remaining arguments. Default arguments are as for update_wrapper().
This is a convenience function to simplify applying partial() to
update_wrapper().
"""
return partial(update_wrapper, wrapped=wrapped, assigned=assigned, updated=updated)
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