2009/12/11 Val Shkolnikov <[email protected]>:
> Hi Graham,
>
> My modwsgi cannot find /error/style in the request "GET
> /error/style/black.css HTTP/1.1" in the HelloWorld debugger example. I get
>
> File does not exist: /var/www/error/style, referer:
> http://pf-client1:8800/hello/debugger
What is generating this error, Apache or the Pylons code?
It looks a bit like Apache since /var/www mentioned, something the web
application wouldn't know about.
Seems to me like httpd-multilang-errordoc.conf has been enabled in
Apache configuration and so using:
Alias /error/ "/var/www/error/"
which is overriding WSGIScriptAlias for that URL subset.
You need to disable multilang error documents in Apache configuration.
Graham
> Note, that it works fine from the "paster serve" cmd and from the
> simple_server. Also, if I set debug = true in the development.ini, I get the
> interactive debugger page just fine from modwsgi.
>
> My setup is below. Thank you for your help!
> /Val
> ------------
> /etc/httpd/conf.d/wsgi.conf:
> ------------
> LoadModule wsgi_module modules/mod_wsgi.so
>
> # place sockets here
> WSGISocketPrefix run/wsgi
>
> Listen 8800
> NameVirtualHost *:8800
> <VirtualHost *:8800>
>
> ServerName pf-client1
> LogLevel info
>
> # Logfiles
> ErrorLog logs/wsgi-error_log
> CustomLog logs/wsgi-access_log common
>
> DocumentRoot /var/www/wsgi
> <Directory /var/www/wsgi>
> Order deny,allow
> Allow from all
> </Directory>
>
> # Setup mod_wsgi
> WSGIScriptAlias / /var/www/wsgi/dispatch.wsgi
> # Run wsgi as a single daemon process with 15 threads
> WSGIDaemonProcess pf-client threads=15 display-name=%{GROUP}
> WSGIProcessGroup pf-client
>
> </VirtualHost>
> ------------------
> /var/www/wsgi/dispatch.wsgi:
> ------------------
> # Add the virtual Python environment site-packages directory to the path
> import site
> site.addsitedir('/u0/home/vshkolni/performance/pyl/lib/python2.6/site-packages')
>
> import sys
> sys.path.append('/u0/home/vshkolni/performance/HelloWorld')
>
> # Suppress Python 3 deprecation warning in ToscaWidgets (tw/core/view.py)
> from warnings import simplefilter
> simplefilter('ignore',DeprecationWarning,223)
>
> # Keep cache in Pylons dir
> import os
> os.environ['PYTHON_EGG_CACHE'] = '/var/www/wsgi/pylons/egg-cache'
> if __name__ == '__main__':
> os.environ['PYTHON_EGG_CACHE'] =
> '/u0/home/vshkolni/performance/HelloWorld/wsgi/pylons/egg-cache'
>
> # Load the Pylons application
> from paste.deploy import loadapp
> application =
> loadapp('config:/u0/home/vshkolni/performance/HelloWorld/development.ini')
>
> # test run as python /var/www/wsgi/dispatch.wsgi
> if __name__ == '__main__':
> from wsgiref import simple_server
> httpd = simple_server.WSGIServer(('',8000),simple_server.WSGIRequestHandler)
> httpd.set_app(application)
> httpd.serve_forever()
>
> -------------
> HelloWorld/development.ini:
> -------------
> [DEFAULT]
> debug = true
>
> [server:main]
> use = egg:Paste#http
> #host = 127.0.0.1
> host = pf-client1
> port = 5000
>
> [app:main]
> use = egg:HelloWorld
> full_stack = true
> static_files = true
>
> cache_dir = %(here)s/data
> beaker.session.key = helloworld
> beaker.session.secret = somesecret
>
> set debug = false
>
>
> # Logging configuration
> [loggers]
> keys = root, routes, helloworld
>
> [handlers]
> keys = console
>
> [formatters]
> keys = generic
>
> [logger_root]
> level = INFO
> handlers = console
>
> [logger_routes]
> level = INFO
> handlers =
> qualname = routes.middleware
> # "level = DEBUG" logs the route matched and routing variables.
>
> [logger_helloworld]
> level = DEBUG
> handlers =
> qualname = helloworld
>
> [handler_console]
> class = StreamHandler
> args = (sys.stderr,)
> level = NOTSET
> formatter = generic
>
> [formatter_generic]
> format = %(asctime)s,%(msecs)03d %(levelname)-5.5s [%(name)s] %(message)s
> datefmt = %H:%M:%S
>
> -----------
> HelloWorld/helloworld/config/routing.py;
> -----------
> from pylons import config
> from routes import Mapper
>
> def make_map():
> """Create, configure and return the routes Mapper"""
> map = Mapper(directory=config['pylons.paths']['controllers'],
> always_scan=config['debug'])
> map.minimization = False
>
> # The ErrorController route (handles 404/500 error pages); it should
> # likely stay at the top, ensuring it can always be resolved
> map.connect('/error/{action}', controller='error')
> map.connect('/error/{action}/{id}', controller='error')
> map.connect('/error/{action}/{id}', controller='error')
> map.connect('/var/www/error/{action}/{id}', controller='error')
>
> # CUSTOM ROUTES HERE
>
> map.connect('/', controller='hello', action='index')
> map.connect('/{controller}/{action}')
> map.connect('/{controller}/{action}/{id}')
>
> return map
>
> ------------
> HelloWorld/helloworld/controllers/error.py
> ------------
> import cgi
>
> from paste.urlparser import PkgResourcesParser
> from pylons import request
> from pylons.controllers.util import forward
> from pylons.middleware import error_document_template
> from webhelpers.html.builder import literal
>
> from helloworld.lib.base import BaseController
>
> class ErrorController(BaseController):
>
> def document(self):
> """Render the error document"""
> resp = request.environ.get('pylons.original_response')
> content = literal(resp.body) or cgi.escape(request.GET.get('message',
> ''
> ))
> page = error_document_template % \
> dict(prefix=request.environ.get('SCRIPT_NAME', ''),
> code=cgi.escape(request.GET.get('code',
> str(resp.status_int))),
>
> message=content)
> return page
>
> def img(self, id):
> """Serve Pylons' stock images"""
> return self._serve_file('/'.join(['media/img', id]))
>
> def style(self, id):
> """Serve Pylons' stock stylesheets"""
> return self._serve_file('/'.join(['media/style', id]))
>
> def _serve_file(self, path):
> """Call Paste's FileApp (a WSGI application) to serve the file
> at the specified path
> """
> request.environ['PATH_INFO'] = '/%s' % path
> return forward(PkgResourcesParser('pylons', 'pylons'))
>
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