Source Code for Module web.web.wsgi

 1  """ 
 2  WSGI Utilities 
 3  (from web.py) 
 4  """ 
 5   
 6  import os, sys 
 7   
 8  import http 
 9  import webapi as web 
10  from utils import listget 
11  from net import validaddr, validip 
12  import httpserver 
13       
14 -def runfcgi(func, addr=('localhost', 8000)): 
15      """Runs a WSGI function as a FastCGI server.""" 
16      import flup.server.fcgi as flups 
17      return flups.WSGIServer(func, multiplexed=True, bindAddress=addr).run() 
18   
19 -def runscgi(func, addr=('localhost', 4000)): 
20      """Runs a WSGI function as an SCGI server.""" 
21      import flup.server.scgi as flups 
22      return flups.WSGIServer(func, bindAddress=addr).run() 
23   
24 -def runwsgi(func): 
25      """ 
26      Runs a WSGI-compatible `func` using FCGI, SCGI, or a simple web server, 
27      as appropriate based on context and `sys.argv`. 
28      """ 
29       
30      if os.environ.has_key('SERVER_SOFTWARE'): # cgi 
31          os.environ['FCGI_FORCE_CGI'] = 'Y' 
32   
33      if (os.environ.has_key('PHP_FCGI_CHILDREN') #lighttpd fastcgi 
34        or os.environ.has_key('SERVER_SOFTWARE')): 
35          return runfcgi(func, None) 
36       
37      if 'fcgi' in sys.argv or 'fastcgi' in sys.argv: 
38          args = sys.argv[1:] 
39          if 'fastcgi' in args: args.remove('fastcgi') 
40          elif 'fcgi' in args: args.remove('fcgi') 
41          if args: 
42              return runfcgi(func, validaddr(args[0])) 
43          else: 
44              return runfcgi(func, None) 
45       
46      if 'scgi' in sys.argv: 
47          args = sys.argv[1:] 
48          args.remove('scgi') 
49          if args: 
50              return runscgi(func, validaddr(args[0])) 
51          else: 
52              return runscgi(func) 
53       
54      return httpserver.runsimple(func, validip(listget(sys.argv, 1, ''))) 
55       
56 -def _is_dev_mode(): 
57      # quick hack to check if the program is running in dev mode. 
58      if os.environ.has_key('SERVER_SOFTWARE') \ 
59          or os.environ.has_key('PHP_FCGI_CHILDREN') \ 
60          or 'fcgi' in sys.argv or 'fastcgi' in sys.argv \ 
61          or 'mod_wsgi' in sys.argv: 
62              return False 
63      return True 
64   
65  # When running the builtin-server, enable debug mode if not already set. 
66  web.config.setdefault('debug', _is_dev_mode()) 
67