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r"""\
WSGI application
Does things as requested. Takes variables:
header.header-name=value, like
header.location=http://yahoo.com
error=code, like
error=301 (temporary redirect)
error=assert (assertion error)
environ=true,
display all the environmental variables, like
key=str(value)\n
message=string
display string
"""
import cgi
import httpexceptions
def application(environ, start_response):
form = cgi.FieldStorage(fp=environ['wsgi.input'],
environ=environ,
keep_blank_values=True)
headers = {}
for key in form.keys():
if key.startswith('header.'):
headers[key[len('header.'):]] = form[key].value
if form.getvalue('error') and form['error'].value != 'iter':
if form['error'].value == 'assert':
assert 0, "I am asserting zero!"
raise httpexceptions.get_exception(int(form['error'].value))(
headers=headers)
if form.getvalue('environ'):
write = start_response('200 OK', [('Content-type', 'text/plain')])
items = environ.items()
items.sort()
return ['%s=%s\n' % (name, value)
for name, value in items]
if form.has_key('message'):
write = start_response('200 OK', [('Content-type', 'text/plain')])
write(form['message'].value)
return []
if form.getvalue('error') == 'iter':
return BadIter()
write = start_response('200 OK', [('Content-type', 'text/html')])
return ['hello world!']
class BadIter(object):
def __iter__(self):
assert 0, "I am assert zero in the iterator!"
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