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procutils: don't try to get `.buffer` if sys.stdin is None...
procutils: don't try to get `.buffer` if sys.stdin is None While hunting down following test failure of test-chg.t on Python 3, I stumbled the case when `.buffer` is not available as sys.stdin is None. --- /home/pulkit/repo/hg-committed/tests/test-chg.t +++ /home/pulkit/repo/hg-committed/tests/test-chg.t.err @@ -203,7 +203,31 @@ $ CHGDEBUG=1 chg version -q 0<&- chg: debug: * stdio fds are missing (glob) chg: debug: * execute original hg (glob) - Mercurial Distributed SCM * (glob) + Traceback (most recent call last): + File "/tmp/hgtests.avspvsq4/install/bin/hg", line 43, in <module> + dispatch.run() + File "/usr/lib/python3.6/importlib/util.py", line 233, in __getattribute__ + self.__spec__.loader.exec_module(self) + File "<frozen importlib._bootstrap_external>", line 678, in exec_module + File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed + File "/tmp/hgtests.avspvsq4/install/lib/python/mercurial/dispatch.py", line 726, in <module> + class lazyaliasentry(object): + File "/tmp/hgtests.avspvsq4/install/lib/python/mercurial/dispatch.py", line 737, in lazyaliasentry + @util.propertycache + File "/usr/lib/python3.6/importlib/util.py", line 233, in __getattribute__ + self.__spec__.loader.exec_module(self) + File "<frozen importlib._bootstrap_external>", line 678, in exec_module + File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed + File "/tmp/hgtests.avspvsq4/install/lib/python/mercurial/util.py", line 3473, in <module> + f=procutil.stderr, + File "/usr/lib/python3.6/importlib/util.py", line 233, in __getattribute__ + self.__spec__.loader.exec_module(self) + File "<frozen importlib._bootstrap_external>", line 678, in exec_module + File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed + File "/tmp/hgtests.avspvsq4/install/lib/python/mercurial/utils/procutil.py", line 127, in <module> + stdin = sys.stdin.buffer + AttributeError: 'NoneType' object has no attribute 'buffer' + [1] server lifecycle ---------------- Differential Revision: https://phab.mercurial-scm.org/D9500

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README.rst
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Pulkit Goyal
thirdparty: vendor cbor2 python library...
r37144 .. image:: https://travis-ci.org/agronholm/cbor2.svg?branch=master
:target: https://travis-ci.org/agronholm/cbor2
:alt: Build Status
.. image:: https://coveralls.io/repos/github/agronholm/cbor2/badge.svg?branch=master
:target: https://coveralls.io/github/agronholm/cbor2?branch=master
:alt: Code Coverage
This library provides encoding and decoding for the Concise Binary Object Representation (CBOR)
(`RFC 7049`_) serialization format.
There exists another Python CBOR implementation (cbor) which is faster on CPython due to its C
extensions. On PyPy, cbor2 and cbor are almost identical in performance. The other implementation
also lacks documentation and a comprehensive test suite, does not support most standard extension
tags and is known to crash (segfault) when passed a cyclic structure (say, a list containing
itself).
.. _RFC 7049: https://tools.ietf.org/html/rfc7049
Project links
-------------
* `Documentation <http://cbor2.readthedocs.org/>`_
* `Source code <https://github.com/agronholm/cbor2>`_
* `Issue tracker <https://github.com/agronholm/cbor2/issues>`_