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"""
WSGI application launcher for Pyblosxom.
Dependencies:
- Pyblosxom 1.2+
- wsgiref library from http://cvs.eby-sarna.com/wsgiref/
- for mod_python: mp_wsgi_handler.py (mod_python wsgi wrapper)
from http://www.c-area.ch/code/
- for twisted: twisted_wsgi.py (twisted wsgi wrapper)
from http://svn.webwareforpython.org/WSGIKit/trunk/wsgikit/
Configuration:
- put this file in your weblog folder (where pyblosxom.cgi is)
- mod_python:
Note: If you have a folder in your document root that has the same name as the
Location used below, the SCRIPT_NAME and PATH_INFO variables will be broken.
You should keep your blog's files outside your document root.
<Location /weblog>
PythonDebug Off
SetHandler python-program
# set PythonPath to the folders containing the files.
PythonPath "['/path/to/mp_wsgi_handler', '/path/to/wsgi_app']+sys.path"
PythonHandler mp_wsgi_handler::wsgi_handler
# This should be the same as the Location above
PythonOption ApplicationPath /weblog
PythonOption application wsgi_app::application
</Location>
Todo:
- example configuration for twisted
- more documentation
$Id: wsgi_app.py,v 1.2 2005/03/01 01:05:17 kaidon Exp $
"""
__author__ = "Steven Armstrong <kaidon at users dot sourceforge dot net>"
__version__ = "$Revision: 1.2 $ $Date: 2005/03/01 01:05:17 $"
__url__ = "http://pyblosxom.sourceforge.net/"
__description__ = "WSGI application launcher for Pyblosxom"
__license__ = "Pyblosxom"
# Python imports
import sys
# Pyblosxom imports
from config import py as cfg
if cfg.has_key("codebase"):
sys.path.insert(0, cfg["codebase"])
from Pyblosxom.pyblosxom import PyBlosxom
from Pyblosxom import tools
_debug = False
def _getExcInfo():
try: from cStringIO import StringIO
except ImportError: from StringIO import StringIO
import traceback
(exc_type, exc_value, tb) = sys.exc_info()
exc_file = StringIO()
traceback.print_exception(exc_type, exc_value, tb, file=exc_file)
exc_string = exc_file.getvalue()
return exc_string
def application(env, start_response):
try: # regular application code here
# ensure that PATH_INFO exists. a few plugins break if this is missing.
if not 'PATH_INFO' in env:
env['PATH_INFO'] = ""
p = PyBlosxom(cfg, env)
p.run()
response = p.getResponse()
if _debug:
import os
logFile = os.path.join(cfg.get('logdir', '/tmp'), 'pyblosxom.log')
tools.make_logger(logFile)
tools.log("status: %s" % response.status)
tools.log("headers: %s" % response.headers)
write = start_response(response.status, list(response.headers.items()))
response.seek(0)
# FIXME: somehow Firefox doesn't like this. using mod_python tables and CSS get messed up. why?
#return response
# so do it like this, which works nicely
return [response.read()]
except:
# FIXME: it would be cool if we could catch a PyblosxomError or something here
# and let the server handle other exceptions.
status = "500 Oops"
response_headers = [("content-type", "text/plain")]
start_response(status, response_headers)
result = ["Pyblosxom WSGI application: A server error occurred. Please contact the administrator."]
if _debug:
exc_string = _getExcInfo()
tools.log(exc_string)
result.append("\n")
result.append(exc_string)
return result
# vim: tabstop=4 shiftwidth=4
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