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import json
import tornado.ioloop
from tornado.web import RequestHandler, HTTPError
from tornado_swagger import swagger
DEFAULT_REPRESENTATION = "application/json"
HTTP_BAD_REQUEST = 400
HTTP_FORBIDDEN = 403
HTTP_NOT_FOUND = 404
swagger.docs()
@swagger.model
class PropertySubclass:
def __init__(self, sub_property=None):
self.sub_property = sub_property
@swagger.model
class Item:
"""
@description:
This is an example of a model class that has parameters in its constructor
and the fields in the swagger spec are derived from the parameters to __init__.
@notes:
In this case we would have property1, name as required parameters and property3 as optional parameter.
@property property3: Item description
@ptype property3: L{PropertySubclass}
@ptype property4: C{list} of L{PropertySubclass}
"""
def __init__(self, property1, property2=None, property3=None, property4=None):
self.property1 = property1
self.property2 = property2
self.property3 = property3
self.property4 = property4
items = {}
class GenericApiHandler(RequestHandler):
"""
The purpose of this class is to take benefit of inheritance and prepare
a set of common functions for
the handlers
"""
def initialize(self):
""" Prepares the database for the entire class """
pass
def prepare(self):
if not (self.request.method == "GET" or self.request.method == "DELETE"):
if self.request.headers.get("Content-Type") is not None:
if self.request.headers["Content-Type"].startswith(DEFAULT_REPRESENTATION):
try:
self.json_args = json.loads(self.request.body)
except (ValueError, KeyError, TypeError) as error:
raise HTTPError(HTTP_BAD_REQUEST,
"Bad Json format [{}]".
format(error))
else:
self.json_args = None
def finish_request(self, json_object):
self.write(json.dumps(json_object))
self.set_header("Content-Type", DEFAULT_REPRESENTATION)
self.finish()
class ItemNoParamHandler(GenericApiHandler):
@swagger.operation(nickname='create')
def post(self):
"""
@param body: create a item.
@type body: L{Item}
@return 200: item is created.
@raise 400: invalid input
"""
property1 = self.json_args.get('property1')
items[property1] = self.json_args
self.finish_request(items[property1])
@swagger.operation(nickname='list')
def get(self):
"""
@rtype: L{Item}
"""
self.finish_request(items)
def options(self):
"""
I'm not visible in the swagger docs
"""
self.finish_request("I'm invisible in the swagger docs")
class ItemHandler(GenericApiHandler):
@swagger.operation(nickname='get')
def get(self, arg):
"""
@rtype: L{Item}
@description: get information of a item
@notes:
get a item,
This will be added to the Implementation Notes.It lets you put very long text in your api.
"""
self.finish_request(items[arg])
@swagger.operation(nickname='delete')
def delete(self, arg):
"""
@description: delete a item
@notes:
delete a item in items
This will be added to the Implementation Notes.It lets you put very long text in your api.
"""
del items[arg]
self.finish_request("success")
class ItemOptionParamHandler(GenericApiHandler):
@swagger.operation(nickname='create')
def post(self, arg1, arg2=''):
"""
@return 200: case is created
"""
print("ProjectHandler.post: %s -- %s -- %s" % (arg1, arg2, self.request.full_url()))
fs = open("/home/swagger/tornado-rest-swagger/%s/%s" % (arg1, arg2), "wb")
fs.write(self.request.body)
self.write("success")
def make_app():
return swagger.Application([
(r"/items", ItemNoParamHandler),
(r"/items/([^/]+)", ItemHandler),
(r"/items/([^/]+)/cases/([^/]+)", ItemOptionParamHandler),
])
if __name__ == "__main__":
app = make_app()
app.listen(711)
tornado.ioloop.IOLoop.current().start()
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