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@christianb93

christianb93/wsgi.py

Last active Nov 11, 2019
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from paste.deploy import loadapp
from wsgiref.simple_server import make_server
#
# A middleware that adds a key to the environment
#
class Middleware:
def __init__(self, app, key="test", value=1):
self._key = key
self._value = value
self._app = app
def __call__(self, environ, status_response):
environ[self._key] = self._value
return self._app(environ, status_response)
#
# This is our application, as usual
#
def application(environ, start_response):
start_response(
'200 OK',
[('Content-type', 'text/html')]
)
response = "<html><body><p><b>Environment data:</b></p>"
response += "<table><tr><th>Key</th><th>Value</th></tr>"
for key, value in environ.items():
response += "<tr><td>%s</td><td>%s</td></tr>" % ( key, value)
response = response + "</table></body></html>"
return [bytes(response, 'utf-8')]
#
# This is the factory which is invoked by PasteDeploy, passing
# additional configuration data from the INI file
#
def app_factory(global_config, **local_conf):
return application
#
# A filter factory. A filter factory returns a filter function
#
def filter_factory(global_conf, key):
# A filter function returns a middleware, wrapping the
# provided app
def filter(app):
return Middleware(app, key)
return filter
#
# This call evaluates the INI file and builds an application
#
wsgi_app = loadapp('config:paste.ini', relative_to=".")
httpd = make_server('', 8800, wsgi_app)
httpd.serve_forever()
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