'''
def application(environ, start_response):
status = '200 OK'
output = b'Hello Howtoforge!\n'
response_headers = [('Content-type', 'text/plain'),
('Content-Length', str(len(output)))]
start_response(status, response_headers)
return [output]
'''
from io import BytesIO
import os
def application(environ, start_response):
headers = []
headers.append(('Content-Type', 'text/plain'))
write = start_response('200 OK', headers)
input = environ['wsgi.input']
output = BytesIO()
str = "PID: %s" % os.getpid()+"\n"
byt = bytes(str, "utf-8")
output.write(byt)
output.write(("UID: %s" % os.getuid()+"\n").encode("utf-8"))
output.write(("GID: %s" % os.getgid()+"\n").encode("utf-8"))
output.write(b"\n")
keys = environ.keys()
for key in keys:
output.write(('%s: %s' % (key, repr(environ[key]))+"\n").encode("utf-8"))
output.write(b"\n")
output.write(input.read(int(environ.get('CONTENT_LENGTH', '0'))))
return [output.getvalue()]
'''
from html import escape
from urllib.parse import parse_qs
html = """
Age: %(age)s
Hobbies: %(hobbies)s
Method: %(method)s
"""
def application (environ, start_response):
# Returns a dictionary in which the values are lists
d = parse_qs(environ['QUERY_STRING'])
# As there can be more than one value for a variable then
# a list is provided as a default value.
age = d.get('age', [''])[0] # Returns the first age value
hobbies = d.get('hobbies', []) # Returns a list of hobbies
# Always escape user input to avoid script injection
age = escape(age)
hobbies = [escape(hobby) for hobby in hobbies]
response_body = html % { # Fill the above html template in
'checked-software': ('', 'checked')['software' in hobbies],
'checked-tunning': ('', 'checked')['tunning' in hobbies],
'age': age or 'Empty',
'hobbies': ', '.join(hobbies or ['No Hobbies?']),
'method': environ['REQUEST_METHOD']
}
status = '200 OK'
# Now content type is text/html
response_headers = [
('Content-Type', 'text/html'),
('Content-Length', str(len(response_body)))
]
start_response(status, response_headers)
return [response_body.encode("utf-8")]
'''