pip install marlin # install marlin to the python environment.
marlin-server start # start marlin server - port: 5000
- redis-server
sudo apt-get install redis-server- create virtualenv
sudo apt-get install python-pip
sudo pip install virtualenv
virtualenv marlin-env
source marlin-env/bin/activate- requests, ujson, flask, python-daemon
pip install flask requests ujson python-daemon redis- install marlin
pip install marlin # install marlin to the python environment.
marlin-server start # starts server with default conf on port 5000
marlin-server stop # stops the server
marlin-server restart # restart the server
marlin-server live # starts a server on DEBUG mode| METHOD | URL | RESPONSE | DESCRIPTION |
|---|---|---|---|
| GET | /api/v1//?start=1&end=10 | [data] 1-10 | returns the 1-10 elements in the |
| GET | /api/v1//1 | data item | returns the element with id 1 |
| GET | /ping/ | 200/500 | check if service is up and connected |
| POST | /api/v1// | [data] | adds data to the model |
| PUT | /api/v1//1/ | [data] | edit data |
| DELETE | /api/v1//1 | 200 | delete the data item |
| DELETE | /api/v1// | - | delete complete data in model |
| DELETE | /api/v1//&force=1 | - | delete and reset model (starts with id=1 |
marlin.config
For custom configuration, just create a marlin.config on the directory from where you are starting marlin-server.
[SERVER]
DEBUG = True
PID_FILE = /tmp/marlin.pid
LOG_FILE = /tmp/marlin.log
SERVER_PORT = 5000
[REDIS]
REDIS_SERVER = localhost
REDIS_PORT = 6379
API_PREFIX = /api/
[APP]
APP_NAME = marlin
Always, a basic REST API is just a scaffolding for the application, and custom defined urls and functions make it beautiful. As marlin is more focused on performance, it is designed for flexibility as well.
It is pretty simple to create custom functions in Marlin.
Just place marlin_function.py in the present working directory (pwd), with custom routes and custom responses.
# marlin_functions.py
from marlin import app
@app.route("/example/"):
return Response("Simple Custom Response")or a more complex example.
import json
from marlin import app, RedisDatabaseManager
from flask import Response, request
@app.route("/simple_get/<model>")
def custom_get(model):
rdm = RedisDatabaseManager(request, model, version='v1')
user_id = 127
if rdm:
rdm.manipulate_data()
rdm.get_from_redis(user_id) # get data for the specific user id
else:
return json.dumps({"status": "Something is not right"})
if rdm.status and rdm.data:
return Response(rdm.string_data, content_type='application/json; charset=utf-8')
elif rdm.status:
return Response(json.dumps({'status': "No data Found"}), content_type='application/json; charset=utf-8',
status=404)
else:
return json.dumps({"status": "Something is not right"})A little more complicated Example
@app.route('/<model>/', methods=['GET'])
def little_complicated(model):
custom_range_start = 10
custom_range_end = 70
error_response = Response(json.dumps(
{'status': "Some unknown error"}),
content_type='application/json; charset=utf-8', status=500)
rdm = RedisDatabaseManager(request, model=model)
if rdm:
rdm.manipulate_data()
rdm.get_many_from_redis(custom_range_start, custom_range_end)
else:
return error_response
if rdm.status:
if rdm.data:
custom_query_set = []
for datum in rdm.data:
if datum.get("name") == "Apple":
custom_query_set.append(datum)
return Response(json.dumps(custom_query_set), content_type='application/json; charset=utf-8')
else:
return Response(json.dumps({'status': "No data Found"}), content_type='application/json; charset=utf-8',
status=404)
else:
return error_response
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