def post(self, obj):
"""Take data for a new object. Return its unique identifier.
After the data is stored, share the new object with other nodes.
"""
_, _, ext = obj.rpartition(".")
so = StoredObject(extension=ext)
data = self.request.body
so.write(data)
self.set_status(200)
self.write({"status": "OK", "name": u".".join([so.name, so.extension])})
def delete(self, obj):
"""Delete an object.
If the delete is successful, return an OK and alert other nodes.
"""
name, _, ext = obj.rpartition(".")
try:
so = StoredObject(name=name, extension=ext)
except DoesNotExist:
self.set_status(404)
self.finish()
return
so.delete()
self.set_status(200)
self.write({"status": "OK"})
self.finish()
def get(self, obj):
"""
Handle a conditional GET from a browser and return an object or 404.
If I don't know about an object, query other nodes.
"""
name, _, ext = obj.rpartition('.')
try:
so = StoredObject(name=name, extension=ext)
except DoesNotExist:
# TODO: Ask other nodes about this object.
self.set_status(404)
self.finish()
return
data = so.read()
mimetype = mimetypes.guess_type(obj)
self.set_header('Expires', datetime.now() + timedelta(days=3653))
self.set_header('X-Joshua-Node', 'my-unique-node-name')
self.set_header('Content-type', mimetype[0])
self.write(data)
self.finish()
