calendarserver 9.0 incompatible with twisted 17.1.0 ?

[John W. O'Brien]

On 2/19/17 14:44, John W. O'Brien wrote:
> On 2/19/17 12:04, Axel Rau wrote:
>> After upgrading twisted from 16.6.0 to 17.1.0 I’m getting:
>>
>> 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 = 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 = 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>=0.3.0' distribution was not found and is required by Twisted
>> /usr/local/etc/rc.d/caldavd: WARNING: failed to start caldavd
>>
>> The FreeBSD twisted port, which my port depends on has following run-dependencies for 17.1.0:
>> 	zope.interface>=3.6.0
>> 	constantly>=15.1
>> 	incremental>=16.10.1
>> which  are satisfied. 
>>
>> Is this another variant of the import race problem on FreeBSD?
>>
>> Not all twisted applications require Automat, hence it seems to be unconditionally required here:
>> 	https://github.com/twisted/twisted/blob/a2200c3bf53beaa2763fe13bc6a670d7cf941dea/src/twisted/python/_setup.py
> 
> Hello Axel,
> 
> This is a known problem. Automat is not currently registered as a
> dependency of the twisted port. There is an open PR [0] with a patch. In
> the mean time, you could install the devel/py-Automat port manually to
> satisfy Twisted. Automat was only added to the ports tree yesterday
> morning [1], so it won't appear in the standard package repository for a
> few more days.
> 
> [0] [PATCH] devel/py-twisted: Add missing dependency on devel/py-Automat
>     https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217205
> 
> [1] https://svnweb.freebsd.org/changeset/ports/434330

Well, isn't that nice? The calendarserver-dev list auto-rejected my
message because I'm "not allowed to post", and Axel's MX returned a "550
Mail refused by recipient policy". Oh, well. I tried.

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