Date: Sun, 19 Feb 2017 12:44:47 -0800 From: Glyph Lefkowitz <glyph@twistedmatrix.com> To: Axel Rau <Axel.Rau@Chaos1.DE> Cc: calendarserver-dev@lists.macosforge.org, python@FreeBSD.org Subject: Re: [CalendarServer-dev] calendarserver 9.0 incompatible with twisted 17.1.0 ? Message-ID: <E2A2C16D-F3AA-4ACC-87A1-A55A1440A640@twistedmatrix.com> In-Reply-To: <FF57FE9C-4CAB-46F2-BFF4-527820583030@Chaos1.DE> References: <FF57FE9C-4CAB-46F2-BFF4-527820583030@Chaos1.DE>
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> On Feb 19, 2017, at 9:04 AM, Axel Rau <Axel.Rau@Chaos1.DE> wrote: >=20 > After upgrading twisted from 16.6.0 to 17.1.0 I=E2=80=99m getting: >=20 > Starting caldavd. > Traceback (most recent call last): > File "/usr/local/bin/twistd", line 6, in <module> > from pkg_resources import load_entry_point > File = "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line = 3019, in <module> > @_call_aside > File = "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line = 3003, in _call_aside > f(*args, **kwargs) > File = "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line = 3032, in _initialize_master_working_set > working_set =3D WorkingSet._build_master() > File = "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line = 655, in _build_master > ws.require(__requires__) > File = "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line = 963, in require > needed =3D self.resolve(parse_requirements(requirements)) > File = "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line = 849, in resolve > raise DistributionNotFound(req, requirers) > pkg_resources.DistributionNotFound: The 'Automat>=3D0.3.0' = distribution was not found and is required by Twisted > /usr/local/etc/rc.d/caldavd: WARNING: failed to start caldavd >=20 > The FreeBSD twisted port, which my port depends on has following = run-dependencies for 17.1.0: > zope.interface>=3D3.6.0 > constantly>=3D15.1 > incremental>=3D16.10.1 > which are satisfied.=20 >=20 > Is this another variant of the import race problem on FreeBSD? >=20 > Not all twisted applications require Automat, hence it seems to be = unconditionally required here: > = https://github.com/twisted/twisted/blob/a2200c3bf53beaa2763fe13bc6a670d7cf= 941dea/src/twisted/python/_setup.py = <https://github.com/twisted/twisted/blob/a2200c3bf53beaa2763fe13bc6a670d7c= f941dea/src/twisted/python/_setup.py> This is happening well before import; Twisted added Automat as a = dependency. If the FreeBSD port of Twisted is installing Twisted 17.1.0 = without Automat, then it is broken and needs to be fixed. -glyph=
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