tahoe-lafs/src/allmydata/_monkeypatch.py
2020-10-05 10:43:48 -04:00

49 lines
1.8 KiB
Python

"""
Monkey-patching of third party libraries.
Ported to Python 3.
"""
from __future__ import unicode_literals
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from future.utils import PY2
if PY2:
from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min # noqa: F401
from warnings import catch_warnings
def patch():
"""Path third-party libraries to make Tahoe-LAFS work."""
# Make sure Foolscap always get native strings passed to method names in callRemote.
# This can be removed when any one of the following happens:
#
# 1. Tahoe-LAFS on Python 2 switches to version of Foolscap that fixes
# https://github.com/warner/foolscap/issues/72
# 2. Foolscap is dropped as a dependency.
# 3. Tahoe-LAFS drops Python 2 support.
if not PY2:
# Python 3 doesn't need to monkey patch Foolscap
return
# We need to suppress warnings so as to prevent unexpected output from
# breaking some integration tests.
with catch_warnings(record=True):
# Only tested with this version; ensure correctness with new releases,
# and then either update the assert or hopefully drop the monkeypatch.
from foolscap import __version__
assert __version__ == "0.13.1", "Wrong version %s of Foolscap" % (__version__,)
from foolscap.referenceable import RemoteReference
original_getMethodInfo = RemoteReference._getMethodInfo
def _getMethodInfo(self, name):
if isinstance(name, str):
name = name.encode("utf-8")
return original_getMethodInfo(self, name)
RemoteReference._getMethodInfo = _getMethodInfo