def on_post(self, request, response):
"""Validates request and calls pig latin translation library
Required Body Properties:
text -- string of length > 0
Success Response:
Code -- 200
Content -- { translation : string }
Error Response:
Code -- 400 or 500
Content -- { title : string[, description : string]}
"""
if request.content_length in (None, 0):
raise falcon.HTTPBadRequest(
'Request body is empty.',
'The request body must contain JSON.'
)
doc = request.context['doc']
if 'text' not in doc:
raise falcon.HTTPMissingParam('text')
elif not isinstance(doc['text'], basestring):
raise falcon.HTTPInvalidParam(
'The value is not a string.',
'text'
)
elif len(doc['text']) == 0:
raise falcon.HTTPInvalidParam(
'The value is empty.',
'text'
)
text = doc['text']
try:
translation = piglatin.to_pig_latin(text)
except Exception,e:
"""API-specific input validation was handled before calling piglatin.to_pig_latin().
So any errors are unexpected and given generic 500 code.
Error message is retained, if possible"""
description = None
if (len(e.args) > 0):
description = e.args[0]
raise falcon.HTTPInternalServerError(
'Unexpected error',
description
)
# test program for english/piglatin translator
import piglatin
choice = input("(E)nglish or (P)ig Latin?\n")
action = choice[:1]
if action == 'E':
s = input("Enter an English sentence:\n")
new_s = piglatin.to_pig_latin(s)
print("Pig-Latin:")
print(new_s)
elif action == 'P':
s = input("Enter a Pig Latin sentence:\n")
new_s = piglatin.to_english(s)
print("English:")
print(new_s)
# test program for english/piglatin translator
import piglatin
choice = input ("(E)nglish or (P)ig Latin?\n")
action = choice[:1]
if action == 'E':
s = input("Enter an English sentence:\n")
new_s = piglatin.to_pig_latin(s)
print("Pig-Latin:")
print(new_s)
elif action =='P':
s = input("Enter a Pig Latin sentence:\n")
new_s = piglatin.to_english(s)
print("English:")
print(new_s)