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Source code for pyramid.wsgi

from pyramid.compat import wraps
from pyramid.traversal import quote_path_segment

[docs]def wsgiapp(wrapped): """ Decorator to turn a WSGI application into a :app:`Pyramid` :term:`view callable`. This decorator differs from the :func:`pyramid.wsgi.wsgiapp2` decorator inasmuch as fixups of ``PATH_INFO`` and ``SCRIPT_NAME`` within the WSGI environment *are not* performed before the application is invoked. E.g., the following in a ``views.py`` module:: @wsgiapp def hello_world(environ, start_response): body = 'Hello world' start_response('200 OK', [ ('Content-Type', 'text/plain'), ('Content-Length', len(body)) ] ) return [body] Allows the following call to :meth:`pyramid.config.Configurator.add_view`:: from views import hello_world config.add_view(hello_world, name='hello_world.txt') The ``wsgiapp`` decorator will convert the result of the WSGI application to a :term:`Response` and return it to :app:`Pyramid` as if the WSGI app were a :mod:`pyramid` view. """ def decorator(context, request): return request.get_response(wrapped) return wraps(wrapped)(decorator) # grokkability
[docs]def wsgiapp2(wrapped): """ Decorator to turn a WSGI application into a :app:`Pyramid` view callable. This decorator differs from the :func:`pyramid.wsgi.wsgiapp` decorator inasmuch as fixups of ``PATH_INFO`` and ``SCRIPT_NAME`` within the WSGI environment *are* performed before the application is invoked. E.g. the following in a ``views.py`` module:: @wsgiapp2 def hello_world(environ, start_response): body = 'Hello world' start_response('200 OK', [ ('Content-Type', 'text/plain'), ('Content-Length', len(body)) ] ) return [body] Allows the following call to :meth:`pyramid.config.Configurator.add_view`:: from views import hello_world config.add_view(hello_world, name='hello_world.txt') The ``wsgiapp2`` decorator will convert the result of the WSGI application to a Response and return it to :app:`Pyramid` as if the WSGI app were a :app:`Pyramid` view. The ``SCRIPT_NAME`` and ``PATH_INFO`` values present in the WSGI environment are fixed up before the application is invoked. """ def decorator(context, request): traversed = request.traversed vroot_path = request.virtual_root_path or () view_name = request.view_name subpath = request.subpath or () script_tuple = traversed[len(vroot_path):] script_list = [ quote_path_segment(name) for name in script_tuple ] if view_name: script_list.append(quote_path_segment(view_name)) script_name = '/' + '/'.join(script_list) path_list = [ quote_path_segment(name) for name in subpath ] path_info = '/' + '/'.join(path_list) request.environ['PATH_INFO'] = path_info script_name = request.environ['SCRIPT_NAME'] + script_name if script_name.endswith('/'): script_name = script_name[:-1] request.environ['SCRIPT_NAME'] = script_name return request.get_response(wrapped) return wraps(wrapped)(decorator) # grokkability

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