Hi Neal,
It is probably confusing because you're looking at sections of a
series of articles on writing your own framework.
http://blog.notdot.net/2010/01/Writing-your-own-webapp-framework-for-App-Engine
You may want to look at using the routing from webapp-improved, or
the router code from it.
http://code.google.com/p/webapp-improved/
http://code.google.com/p/url-router/
Might get you going easier.
Robert
On Sun, Dec 5, 2010 at 13:29, NealWalters <[email protected]> wrote:
> Maybe I'm getting way off track here, but I'd like to get my site back
> working today.
>
> Should framework.py look like this? (This is based on Nick's prior
> blog: http://blog.notdot.net/2010/01/Webapps-on-App-Engine-part-1-Routing)
>
> I'm all for learning, but I need to get my website fixed ASAP without
> the DeadlineExceeded errors. Ideally, I wouldn't have to inventor or
> write my own framework to do that???
>
> framework.py??? - attempt#2
> =====================
> import re
>
> class WSGILazyLoader(object):
> def __init__(self, fullname):
> self.modulename, sep, self.objname = fullname.rpartition('.')
> self.obj = None
>
> def __call__(self, environ, start_response):
> if not self.obj:
> __import__(self.modulename, globals(), locals())
> module = sys.modules[self.modulename]
> self.obj = module.__dict__[self.objname]
> return self.obj(environ, start_response)
>
> class WSGIRouter(object):
> def __init__(self):
> self.routes = []
>
> def connect(self, template, handler, **kwargs):
> """Connects URLs matching a template to a handler application.
>
> Args:
> template: A template string, consisting of literal text and
> template
> expressions of the form {label[: regex]}, where label is the
> mandatory
> name of the expression, and regex is an optional regular
> expression.
> handler: A WSGI application to execute when the template is
> matched.
> **kwargs: Additional keyword arguments to pass along with those
> parsed
> from the template.
> """
> route_re = re.compile(template_to_regex(template))
> self.routes.append((route_re, handler, kwargs))
>
> import re
> var_regex = re.compile(r'''
> \{ # The exact character "{"
> (\w+) # The variable name (restricted to a-z, 0-9, _)
> (?::([^}]+))? # The optional :regex part
> \} # The exact character "}"
> ''', re.VERBOSE)
> def template_to_regex(template):
> regex = ''
> last_pos = 0
> for match in var_regex.finditer(template):
> regex += re.escape(template[last_pos:match.start()])
> var_name = match.group(1)
> expr = match.group(2) or '[^/]+'
> expr = '(?P<%s>%s)' % (var_name, expr)
> regex += expr
> last_pos = match.end()
> regex += re.escape(template[last_pos:])
> regex = '^%s$' % regex
> return regex
>
>
> Errors:
> Traceback (most recent call last):
> File "C:\Program Files (x86)\Google\google_appengine\google\appengine
> \tools\dev_appserver.py", line 3206, in _HandleRequest
> self._Dispatch(dispatcher, self.rfile, outfile, env_dict)
> File "C:\Program Files (x86)\Google\google_appengine\google\appengine
> \tools\dev_appserver.py", line 3149, in _Dispatch
> base_env_dict=env_dict)
> File "C:\Program Files (x86)\Google\google_appengine\google\appengine
> \tools\dev_appserver.py", line 525, in Dispatch
> base_env_dict=base_env_dict)
> File "C:\Program Files (x86)\Google\google_appengine\google\appengine
> \tools\dev_appserver.py", line 2402, in Dispatch
> self._module_dict)
> File "C:\Program Files (x86)\Google\google_appengine\google\appengine
> \tools\dev_appserver.py", line 2312, in ExecuteCGI
> reset_modules = exec_script(handler_path, cgi_path, hook)
> File "C:\Program Files (x86)\Google\google_appengine\google\appengine
> \tools\dev_appserver.py", line 2208, in ExecuteOrImportScript
> exec module_code in script_module.__dict__
> File "c:\GoogleAppEngine\olexe3\main.py", line 443, in <module>
> main()
> File "c:\GoogleAppEngine\olexe3\main.py", line 440, in main
> run_wsgi_app(application)
> File "C:\Program Files (x86)\Google\google_appengine\google\appengine
> \ext\webapp\util.py", line 97, in run_wsgi_app
> run_bare_wsgi_app(add_wsgi_middleware(application))
> File "C:\Program Files (x86)\Google\google_appengine\google\appengine
> \ext\webapp\util.py", line 115, in run_bare_wsgi_app
> result = application(env, _start_response)
> TypeError: 'WSGIRouter' object is not callable
>
> Thanks,
> Neal
>
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