Hi Glyph -
No joy. I checked out CalendarServer 2.5 to /Volumes/Users/cherf/tmp and tried
again with the following results:
[alphonse:~/tmp/CalendarServer-2.5] cherf% pwd
/Users/cherf/tmp/CalendarServer-2.5
[alphonse:~/tmp/CalendarServer-2.5] cherf% python
Python 2.6.6 (r266:84292, Jun 8 2011, 18:50:17)
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import socket
>>> skt = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
>>> skt.bind("some.socket")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 1, in bind
socket.error: [Errno 22] Invalid argument
>>> skt.bind ("/tmp/some.socket")
>>> skt.listen(5)
>>>
The previous pathname length was 87 characters (plus 12 for "/some.socket" =
99) which doesn't seem too long for a POSIX name.
I noticed the python manual made a distinction between relative and absolute
pathnames in bind statements, which was why I thought that was the difference.
but I'm just guessing.
I might get closer if it were possible to include something that would let me
test the two statements:
skt = self.createInternetSocket()
skt.bind (self.port)
in relative isolation but I couldn't find the createInternetSocket method (in
fact I don't know enough about python to guess what sort of object "self" is
:). It still looks like some sort of python problem to me though. I noticed
that unix.py makes a reference to twisted.test.test_unix. Is that test case
available somewhere? Perhaps running it on my system would give me a better
idea of what's happening. Failing that I'll need to spend some time learning
the Python debugger.
Regards,
Scott.
On Jun 10, 2011, at 9:35 PM, Glyph Lefkowitz wrote:
> Hi Scott,
>
> Relative paths work fine, too. However, I think the length of the full
> absolute path may be an issue in some cases, even if you pass it as a short
> relative path. If you try creating a relative-path socket in a shorter path,
> like your home directory, it should work.
>
> Try putting your CalendarServer checkout somewhere with a very short path,
> like /dccs/ instead of ~/Projects/Blah/Blah/Blah/. I'd be interested to know
> if that fixes it. I actually remember fixing a bug in this area a while ago:
> it's probably fixed on the 3.x line but not 2.x.
>
> Thanks and good luck,
>
> -glyph
>
> On Jun 10, 2011, at 6:03 PM, Scott Cherf wrote:
>
>> Hello John -
>>
>> Forgive my doubts, as you mention I had best read the manual.
>>
>> You are correct, I was using python's bind incorrectly, the correct code
>> fragment is shown below:
>>
>> [alphonse:~] cherf% cd
>> Projects/Source/MacOSForge/CalendarServer/tags/release/CalendarServer-2.5/
>> /Users/cherf/Projects/Source/MacOSForge/CalendarServer/tags/release/CalendarServer-2.5
>> [alphonse:tags/release/CalendarServer-2.5] cherf% python
>> Python 2.6.6 (r266:84292, Jun 8 2011, 18:50:17)
>> [GCC 4.2.1 (Apple Inc. build 5646)] on darwin
>> Type "help", "copyright", "credits" or "license" for more information.
>>>>> import socket
>>>>> skt = socket.socket (socket.AF_UNIX, socket.SOCK_STREAM)
>>>>> skt.bind ("/tmp/some.socket")
>>>>> skt.listen(5)
>>>>>
>>
>> In fact, this works just fine on both my development machine and the server
>> I'm trying to install the iCal server on, the difficulty was in the use of a
>> relative pathname rather than an absolute name. Using a relative path on
>> macOS apparently does not work, however changing the fragment to an absolute
>> name works fine.
>>
>> Unfortunately this leaves me wrestling with the original problem, which is
>> to understand why I'm seeing the error from Twisted.
>>
>> Again, thanks for the suggestion,
>>
>> Scott.
>>
>> On Jun 8, 2011, at 10:35 PM, Holland, John wrote:
>>
>>> On 09.06.2011, at 07:25, "Scott Cherf" <[email protected]> wrote:
>>>> Using the fresh python 2.6 installed at /opt/local/bin/python I observed
>>>> the following:
>>>>
>>>> [alphonse:tags/release/Twisted] cherf% python
>>>> Python 2.6.6 (r266:84292, Jun 8 2011, 18:50:17)
>>>> [GCC 4.2.1 (Apple Inc. build 5646)] on darwin
>>>> Type "help", "copyright", "credits" or "license" for more information.
>>>>>>> import socket
>>>>>>> skt = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
>>>>>>> skt.bind("some.socket")
>>>> Traceback (most recent call last):
>>>> File "<stdin>", line 1, in <module>
>>>> File "<string>", line 1, in bind
>>>> socket.error: [Errno 22] Invalid argument
>>>>>>>
>>>
>>> I believe your using pythons bind incorrectly. Have a look at
>>> http://docs.python.org/release/2.6.6/library/socket.html
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