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gaehandler.py
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gaehandler.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
This file is part of the web2py Web Framework
Copyrighted by Massimo Di Pierro <mdipierro@cs.depaul.edu>
License: LGPLv3 (http://www.gnu.org/licenses/lgpl.html)
"""
##############################################################################
# Configuration parameters for Google App Engine
##############################################################################
LOG_STATS = False # web2py level log statistics
APPSTATS = True # GAE level usage statistics and profiling
DEBUG = False # debug mode
#
# Read more about APPSTATS here
# http://googleappengine.blogspot.com/2010/03/easy-performance-profiling-with.html
# can be accessed from:
# http://localhost:8080/_ah/stats
##############################################################################
# All tricks in this file developed by Robin Bhattacharyya
##############################################################################
import time
import os
import sys
import logging
import cPickle
import pickle
import wsgiref.handlers
import datetime
path = os.path.dirname(os.path.abspath(__file__))
sys.path = [path] + [p for p in sys.path if not p == path]
sys.modules['cPickle'] = sys.modules['pickle']
from gluon.settings import global_settings
from google.appengine.ext import webapp
from google.appengine.ext.webapp.util import run_wsgi_app
global_settings.web2py_runtime_gae = True
global_settings.db_sessions = True
if os.environ.get('SERVER_SOFTWARE', '').startswith('Devel'):
(global_settings.web2py_runtime, DEBUG) = \
('gae:development', True)
else:
(global_settings.web2py_runtime, DEBUG) = \
('gae:production', False)
import gluon.main
def log_stats(fun):
"""Function that will act as a decorator to make logging"""
def newfun(env, res):
"""Log the execution time of the passed function"""
timer = lambda t: (t.time(), t.clock())
(t0, c0) = timer(time)
executed_function = fun(env, res)
(t1, c1) = timer(time)
log_info = """**** Request: %.2fms/%.2fms (real time/cpu time)"""
log_info = log_info % ((t1 - t0) * 1000, (c1 - c0) * 1000)
logging.info(log_info)
return executed_function
return newfun
logging.basicConfig(level=logging.INFO)
def wsgiapp(env, res):
"""Return the wsgiapp"""
env['PATH_INFO'] = env['PATH_INFO'].decode('latin1').encode('utf8')
#when using the blobstore image uploader GAE dev SDK passes these as unicode
# they should be regular strings as they are parts of URLs
env['wsgi.url_scheme'] = str(env['wsgi.url_scheme'])
env['QUERY_STRING'] = str(env['QUERY_STRING'])
env['SERVER_NAME'] = str(env['SERVER_NAME'])
#this deals with a problem where GAE development server seems to forget
# the path between requests
if global_settings.web2py_runtime == 'gae:development':
gluon.admin.create_missing_folders()
web2py_path = global_settings.applications_parent # backward compatibility
return gluon.main.wsgibase(env, res)
if LOG_STATS or DEBUG:
wsgiapp = log_stats(wsgiapp)
def main():
"""Run the wsgi app"""
run_wsgi_app(wsgiapp)
if __name__ == '__main__':
main()