pylons without paste ?

Hi,

Is it possible to start a pylons server without using paste
? i.e
similar to how myghty server works ?

Paste is great but I really want a working reload for
development. The
current pylons paste server with --reload consistently hangs
when an
external file is changed. As discussed before on this list,
this is a
known problem so I just wanted to find a work around in the
mean time.

Thanks

Huy


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On Feb 16, 2006, at 3:33 PM, huydo wrote:

> Is it possible to start a pylons server without using
paste ? i.e
> similar to how myghty server works ?
>
> Paste is great but I really want a working reload for
development. The
> current pylons paste server with --reload consistently
hangs when an
> external file is changed. As discussed before on this
list, this is a
> known problem so I just wanted to find a work around in
the mean time.

The Pylons setup gives you a way to load your application as
a WSGI  
app, however from that point, you'll need to setup and run
a WSGI  
server and specify your Pylons WSGI application. The
make_app  
function in your config/middleware.py is what creates the  
application, and you can 'fake' the global_conf and
app_conf, by  
passing two dicts with keys/values corresponding to your  
development.ini file.

What server were you thinking of running the WSGI app with?
Does the  
myghty server have reloading of external files that works?

HTH,
Ben

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Ben Bangert wrote:
> On Feb 16, 2006, at 3:33 PM, huydo wrote:
>
>   
>> Is it possible to start a pylons server without
using paste ? i.e
>> similar to how myghty server works ?
>>
>> Paste is great but I really want a working reload
for development. The
>> current pylons paste server with --reload
consistently hangs when an
>> external file is changed. As discussed before on
this list, this is a
>> known problem so I just wanted to find a work
around in the mean time.
>>     
>
> The Pylons setup gives you a way to load your
application as a WSGI  
> app, however from that point, you'll need to setup and
run a WSGI  
> server and specify your Pylons WSGI application. The
make_app  
> function in your config/middleware.py is what creates
the  
> application, and you can 'fake' the global_conf and
app_conf, by  
> passing two dicts with keys/values corresponding to
your  
> development.ini file.
>
> What server were you thinking of running the WSGI app
with? Does the  
> myghty server have reloading of external files that
works?
>
>   

Yes. I used the autoreload.py from the cherrypy project
(it's just a 
single file) with the
myghty.http.HTTPServerhandler.HTTPServer
and it works.

Huy
> HTH,
> Ben
>
>   


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Ben Bangert wrote:
> On Feb 16, 2006, at 3:33 PM, huydo wrote:
>
>   
>> Is it possible to start a pylons server without
using paste ? i.e
>> similar to how myghty server works ?
>>
>> Paste is great but I really want a working reload
for development. The
>> current pylons paste server with --reload
consistently hangs when an
>> external file is changed. As discussed before on
this list, this is a
>> known problem so I just wanted to find a work
around in the mean time.
>>     
>
> The Pylons setup gives you a way to load your
application as a WSGI  
> app, however from that point, you'll need to setup and
run a WSGI  
> server and specify your Pylons WSGI application. The
make_app  
> function in your config/middleware.py is what creates
the  
> application, and you can 'fake' the global_conf and
app_conf, by  
> passing two dicts with keys/values corresponding to
your  
> development.ini file.
>
>   
Man I have no idea how this would work because I'm not at
all familiar 
with wsgi. I just know it's a standard which worries about
things I 
shouldn't have to worry about. Can it not be setup somehow
to work with 
the standard myghty httpserver for development ?

Huy
> What server were you thinking of running the WSGI app
with? Does the  
> myghty server have reloading of external files that
works?
>
> HTH,
> Ben
>
>   


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Huy Do wrote:
>>>Is it possible to start a pylons server without
using paste ? i.e
>>>similar to how myghty server works ?
>>>
>>>Paste is great but I really want a working
reload for development. The
>>>current pylons paste server with --reload
consistently hangs when an
>>>external file is changed. As discussed before on
this list, this is a
>>>known problem so I just wanted to find a work
around in the mean time.
>>>    
>>
>>The Pylons setup gives you a way to load your
application as a WSGI  
>>app, however from that point, you'll need to setup
and run a WSGI  
>>server and specify your Pylons WSGI application. The
make_app  
>>function in your config/middleware.py is what
creates the  
>>application, and you can 'fake' the global_conf
and app_conf, by  
>>passing two dicts with keys/values corresponding to
your  
>>development.ini file.
>>
>>What server were you thinking of running the WSGI
app with? Does the  
>>myghty server have reloading of external files that
works?
>>
>>  
> 
> 
> Yes. I used the autoreload.py from the cherrypy project
(it's just a 
> single file) with the
myghty.http.HTTPServerhandler.HTTPServer
> and it works.

I believe the CP autoreloader is similar to Paste's (it was
based on 
Paste's, but they did some additions).  I think the problem
is really 
with Paste's httpserver (WSGIUtils is the same); using it
with Flup 
servers I don't have a problem.  If you are doing
in-process reloading 
(like Aquarium's) then you can just load that up on import
and not use 
Paste's reloading at all.  In general, if you put a
reloader invocation 
in __init__.py and don't use --reload, it should use your
reloader -- 
but I don't know the details of how those reloaders
interact with the 
servers (in general they just do a restart, but how exactly
they signal 
a restart I'm not sure).


-- 
Ian Bicking  |  ianbcolorstudy.com  |  http://blog.ianbicking.org


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Ian Bicking wrote:
> Huy Do wrote:
>   
>>>> Is it possible to start a pylons server
without using paste ? i.e
>>>> similar to how myghty server works ?
>>>>
>>>> Paste is great but I really want a working
reload for development. The
>>>> current pylons paste server with --reload
consistently hangs when an
>>>> external file is changed. As discussed
before on this list, this is a
>>>> known problem so I just wanted to find a
work around in the mean time.
>>>>    
>>>>         
>>> The Pylons setup gives you a way to load your
application as a WSGI  
>>> app, however from that point, you'll need to
setup and run a WSGI  
>>> server and specify your Pylons WSGI
application. The make_app  
>>> function in your config/middleware.py is what
creates the  
>>> application, and you can 'fake' the
global_conf and app_conf, by  
>>> passing two dicts with keys/values
corresponding to your  
>>> development.ini file.
>>>
>>> What server were you thinking of running the
WSGI app with? Does the  
>>> myghty server have reloading of external files
that works?
>>>
>>>  
>>>       
>> Yes. I used the autoreload.py from the cherrypy
project (it's just a 
>> single file) with the
myghty.http.HTTPServerhandler.HTTPServer
>> and it works.
>>     
>
> I believe the CP autoreloader is similar to Paste's
(it was based on 
> Paste's, but they did some additions).  I think the
problem is really 
> with Paste's httpserver (WSGIUtils is the same); using
it with Flup 
> servers I don't have a problem.  If you are doing
in-process reloading 
> (like Aquarium's) then you can just load that up on
import and not use 
> Paste's reloading at all.  In general, if you put a
reloader invocation 
> in __init__.py and don't use --reload, it should use
your reloader -- 
>   
The only way I've been using it is to wrap the server_start
method in 
autoreload.

eg.

def start_server():
    http_server.serve_forever()

import autoreload
autoreload.main(start_server)

so I'm not sure how to implement this in __init__.py

thanks

Huy
> but I don't know the details of how those reloaders
interact with the 
> servers (in general they just do a restart, but how
exactly they signal 
> a restart I'm not sure.

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