[Tilecache] Increase WMS request timeout?

Tue Nov 25 01:20:54 EST 2008

yeah,
 i think i saw this tip somewhere, but another user said it was a bad
practice to use the sys.path to set the pythonpath. is it?
also, is there any speed improvement with an egg, or is it just a bundle of
the compiled python files
chris-

On Tue, Nov 25, 2008 at 1:08 AM, Dane Springmeyer <blake at hailmail.net>wrote:

> Chris,
> You can just go into your site-packages (likely where python setup.py
> installed the egg) and remove the whole egg which is just a folder of the
> scripts that is automatically on your PYTHONPATH.
>
> This one: 'TileCache-2.04-py2.5.egg'
>
> Then to get the imports working, download a fresh copy of tilecache to an
> easy to work with location, and simply put the folder that contains the
> 'TileCache' folder on your PYTHONPATH by setting that variable in your
> System Settings.
>
> The you should be able to do:
> >>> import TileCache
>
> and then with mod_python use the directive:
>
> PythonPath "['/path/to/folder/containing_tilecache/'] + sys.path"
>
> Dane
>
>
>
>
> On Nov 24, 2008, at 9:51 PM, chris marx wrote:
>
> Also,
>  I'd like to make these changes, but when i redeployed tilecache on apache
> with mod_python, it couldn't find the imports until i ran the setup.py. now
> it looks like the scripts are getting exectured from the egg (anyone have
> any links to explain what the heck this is...). To recreate this with
> changes in the code, do i just delete the egg, or do i also need to the
> delete the .pyc files it also generated?
>
> On Mon, Nov 24, 2008 at 11:33 PM, chris marx <chrismarx at gmail.com> wrote:
>
>> Well, that might be the case, but when I hook a site up to the wms
>> directly, I don't get any errors from the wms. So.. I'd like to see what
>> error tilecache is getting back from my wms server. Should i just put in a
>> logging statement of the response from line 54 in Client.py?
>>
>>
>>
>> On Mon, Nov 24, 2008 at 10:55 PM, Christopher Schmidt <
>> crschmidt at metacarta.com> wrote:
>>
>>> On Mon, Nov 24, 2008 at 10:26:31PM -0500, chris marx wrote:
>>> > here;s the full error
>>> >
>>> > An error occurred: HTTP Error 500: Internal Server Error
>>>
>>> That's not a timeout. That's your remote WMS server returning an honest
>>> to goodness error. There's nothing TileCache can do about that.
>>>
>>> -- Chris
>>>
>>> >   File
>>> "c:\python25\lib\site-packages\TileCache-2.04-py2.5.egg\TileCache\Service.py",
>>> > line 224, in modPythonHandler
>>> >     host )
>>> >   File
>>> "c:\python25\lib\site-packages\TileCache-2.04-py2.5.egg\TileCache\Service.py",
>>> > line 208, in dispatchRequest
>>> >     return self.renderTile(tile, params.has_key('FORCE'))
>>> >   File
>>> "c:\python25\lib\site-packages\TileCache-2.04-py2.5.egg\TileCache\Service.py",
>>> > line 138, in renderTile
>>> >     data = layer.render(tile)
>>> >   File
>>> "c:\python25\lib\site-packages\TileCache-2.04-py2.5.egg\TileCache\Layer.py",
>>> > line 437, in render
>>> >     return self.renderTile(tile)
>>> >   File
>>> "c:\python25\lib\site-packages\TileCache-2.04-py2.5.egg\TileCache\Layers\WMS.py",
>>> > line 29, in renderTile
>>> >     tile.data, response = wms.fetch()
>>> >   File
>>> "c:\python25\lib\site-packages\TileCache-2.04-py2.5.egg\TileCache\Client.py",
>>> > line 54, in fetch
>>> >     response = self.client.open(urlrequest)
>>> >   File "C:\Python25\Lib\urllib2.py", line 387, in open
>>> >     response = meth(req, response)
>>> >   File "C:\Python25\Lib\urllib2.py", line 498, in http_response
>>> >     'http', request, response, code, msg, hdrs)
>>> >   File "C:\Python25\Lib\urllib2.py", line 425, in error
>>> >     return self._call_chain(*args)
>>> >   File "C:\Python25\Lib\urllib2.py", line 360, in _call_chain
>>> >     result = func(*args)
>>> >   File "C:\Python25\Lib\urllib2.py", line 506, in http_error_default
>>> >     raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
>>> >
>>> >
>>> >
>>> > On Mon, Nov 24, 2008 at 5:56 PM, chris marx <chrismarx at gmail.com>
>>> wrote:
>>> >
>>> > > anybody?
>>> > >
>>> > >
>>> > > On Sun, Nov 23, 2008 at 3:45 PM, chris marx <chrismarx at gmail.com>
>>> wrote:
>>> > >
>>> > >> Hi,
>>> > >>  When no one has made a WMS request to my WMS service (Manifold GIS)
>>> it
>>> > >> takes a little longer to respond on that first request because its
>>> creating
>>> > >> an instance of its mapserver object. In any case, tilecache ends up
>>> > >> returning a urllib error because I'm assuming the request timed out
>>> --
>>> > >> specifically, because hitting the same url again results in a
>>> successful
>>> > >> request and a tile comes back. Is there a way to increase the
>>> timeout limit?
>>> > >> --running apache and mod_python-
>>> > >> chris-
>>> > >>
>>> > >> --
>>> > >>
>>> > >> Chris Marx
>>> > >> Programmer/Analyst
>>> > >> Cornell Lab of Ornithology
>>> > >> 159 Sapsucker Woods Rd.
>>> > >> Ithaca, NY 14850
>>> > >> t. 1.607.254.1142
>>> > >> http://www.birds.cornell.edu/
>>> > >>
>>> > >
>>> > >
>>> > >
>>> > > --
>>> > >
>>> > > Chris Marx
>>> > > Programmer/Analyst
>>> > > Cornell Lab of Ornithology
>>> > > 159 Sapsucker Woods Rd.
>>> > > Ithaca, NY 14850
>>> > > t. 1.607.254.1142
>>> > > http://www.birds.cornell.edu/
>>> > >
>>> >
>>> >
>>> >
>>> > --
>>> >
>>> > Chris Marx
>>> > Programmer/Analyst
>>> > Cornell Lab of Ornithology
>>> > 159 Sapsucker Woods Rd.
>>> > Ithaca, NY 14850
>>> > t. 1.607.254.1142
>>> > http://www.birds.cornell.edu/
>>>
>>> > _______________________________________________
>>> > Tilecache mailing list
>>> > Tilecache at openlayers.org
>>> > http://openlayers.org/mailman/listinfo/tilecache
>>>
>>>
>>> --
>>> Christopher Schmidt
>>> MetaCarta
>>>
>>
>>
>>
>> --
>>
>> Chris Marx
>> Programmer/Analyst
>> Cornell Lab of Ornithology
>> 159 Sapsucker Woods Rd.
>> Ithaca, NY 14850
>> t. 1.607.254.1142
>> http://www.birds.cornell.edu/
>>
>
>
>
> --
>
> Chris Marx
> Programmer/Analyst
> Cornell Lab of Ornithology
> 159 Sapsucker Woods Rd.
> Ithaca, NY 14850
> t. 1.607.254.1142
> http://www.birds.cornell.edu/
> _______________________________________________
> Tilecache mailing list
> Tilecache at openlayers.org
> http://openlayers.org/mailman/listinfo/tilecache
>
>
>

-- 

Chris Marx
Programmer/Analyst
Cornell Lab of Ornithology
159 Sapsucker Woods Rd.
Ithaca, NY 14850
t. 1.607.254.1142
http://www.birds.cornell.edu/
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