Thank you very much for the reference and tips. I'll give that a
try.


On Oct 29, 11:54 am, Dennis <dennisfraz...@charter.net> wrote:
> Rob, have you seen this?
>
> http://bugs.python.org/issue1731717
>
> Implementing the proposed workaround in the latest entry of that
> thread fixed a lot of the [Errno 10] problems for me--all of the ones
> from the diff viewer, in fact.
>
> I may have fixed the remaining ones from that 'uname -p' function call
> in platform.py that you're seeing, by inserting the return string from
> 'uname -o' on my system to the output value of syscmd_uname.
>
> It looks to me like the intent was to use 'uname -o' in the first
> place, since that returns the operating system name, while  uname -p
> returns the processor type.  Somehow, this function ends up calling
> uname -p.
>
> I assigned 'GNU/Linux' to the output of syscmd_uname in platform.py,
> and so far I've not seen the [Errno 10] in 3 consecutive post-review
> submissions.
>
> I'm not certain that it's fixed completely, but it looks good so far.
>
> Dennis
>
> On Oct 13, 12:30 pm, Rob <rrom...@gmail.com> wrote:
>
>
>
>
>
>
>
> > Starting in ReviewBoard 1.5 (Python 2.5.1 linux64 compiled
> > mod_python.so)  the changes to use Paramiko result in this exception
> > when posting a review changelist (from Perforce) via the commandline
> > post-review tool.
>
> > HTTP POSTing tohttp://sw-web3.altera.com/review/api/json/accounts/login/:
> > {'username': 'rromano', 'password': '**************'}
>
> > Traceback (most recent call last):
>
> >   File "/tools/python/2.5.1/linux64/lib/python2.5/site-packages/
> > mod_python/importer.py", line 1537, in HandlerDispatch
> >     default=default_handler, arg=req, silent=hlist.silent)
>
> >   File "/tools/python/2.5.1/linux64/lib/python2.5/site-packages/
> > mod_python/importer.py", line 1229, in _process_target
> >     result = _execute_target(config, req, object, arg)
>
> >   File "/tools/python/2.5.1/linux64/lib/python2.5/site-packages/
> > mod_python/importer.py", line 1128, in _execute_target
> >     result = object(arg)
>
> >   File "/tools/django/trunk/1.2.3/django/core/handlers/modpython.py",
> > line 228, in handler
> >     return ModPythonHandler()(req)
>
> >   File "/tools/django/trunk/1.2.3/django/core/handlers/modpython.py",
> > line 191, in __call__
> >     self.load_middleware()
>
> >   File "/tools/django/trunk/1.2.3/django/core/handlers/base.py", line
> > 40, in load_middleware
> >     mod = import_module(mw_module)
>
> >   File "/tools/django/trunk/1.2.3/django/utils/importlib.py", line 35,
> > in import_module
> >     __import__(name)
>
> >   File "/usr/local/altera/django/reviewboard/admin/middleware.py",
> > line 13, in &lt;module&gt;
> >     from reviewboard.webapi.json import service_not_configured
>
> >   File "/usr/local/altera/django/reviewboard/webapi/json.py", line 29,
> > in &lt;module&gt;
> >     from reviewboard.diffviewer.forms import EmptyDiffError
>
> >   File "/usr/local/altera/django/reviewboard/diffviewer/forms.py",
> > line 7, in &lt;module&gt;
> >     from reviewboard.diffviewer.diffutils import
> > DEFAULT_DIFF_COMPAT_VERSION
>
> >   File "/usr/local/altera/django/reviewboard/diffviewer/diffutils.py",
> > line 29, in &lt;module&gt;
> >     from reviewboard.scmtools.core import PRE_CREATION, HEAD
>
> >   File "/usr/local/altera/django/reviewboard/scmtools/core.py", line
> > 5, in &lt;module&gt;
> >     from reviewboard.scmtools import sshutils
>
> >   File "/usr/local/altera/django/reviewboard/scmtools/sshutils.py",
> > line 5, in &lt;module&gt;
> >     import paramiko
>
> >   File "/usr/local/altera/django/reviewboard/paramiko/__init__.py",
> > line 69, in &lt;module&gt;
> >     from transport import randpool, SecurityOptions, Transport
>
> >   File "/usr/local/altera/django/reviewboard/paramiko/transport.py",
> > line 32, in &lt;module&gt;
> >     from paramiko import util
>
> >   File "/usr/local/altera/django/reviewboard/paramiko/util.py", line
> > 32, in &lt;module&gt;
> >     from paramiko.common import *
>
> >   File "/usr/local/altera/django/reviewboard/paramiko/common.py", line
> > 98, in &lt;module&gt;
> >     from rng import StrongLockingRandomPool
>
> >   File "/usr/local/altera/django/reviewboard/paramiko/rng.py", line
> > 44, in &lt;module&gt;
> >     if ((platform is not None and platform.system().lower() ==
> > 'windows') or
>
> >   File "/tools/python/2.5.1/linux64/lib/python2.5/platform.py", line
> > 1042, in system
> >     return uname()[0]
>
> >   File "/tools/python/2.5.1/linux64/lib/python2.5/platform.py", line
> > 1014, in uname
> >     processor = _syscmd_uname('-p','')
>
> >   File "/tools/python/2.5.1/linux64/lib/python2.5/platform.py", line
> > 801, in _syscmd_uname
> >     rc = f.close()
>
> > IOError: [Errno 10] No child processes
>
> > This looks very fundamental. Python's platform.uname() fn does a
> > subprocess call to `uname` and it's not liked.
>
> > Incidentally, under ReviewBoard 1.0.x, I had similar issues in
> > ReviewBoard's own code using subprocess.POpen to extract diffs from
> > `p4`. I simply changed the code to use os.system() and it worked fine
> > thereafter.
>
> > Are there known issues with the subprocess.POpen module when running
> > under Apache?

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