EsiPysi

EsiPysi (pronounced like "Easy Peasy") is a utility for accessing the Eve api called Esi. The goal of this project is to create a lightweight and fast tool which makes devloping with Esi easier.

Features

• Auth storage and auto refreshing
  • If your access token expires, EsiPysi will acquire a new one
• Fast API calling and JSON parsing using aiohttp
  • Uses asyncio and event loops so that the API calls are non-blocking
• Light input validation
  • Only validates that the parameters are in the Esi Swagger Spec, does not validate types/values
• Caching using Redis
• Automatic retries for certain error codes
  • Typically those pesky 501s

Install

Install with pip:

pip install EsiPysi

Requires python 3.5+

How to use

Get familliar with the ESI reference and Eve SSO

start with an EsiPysi object, this will keep track of global settings like which Esi version to use (_latest is reccomended) and start a session

from esipysi import EsiPysi

esi = EsiPysi("https://esi.evetech.net/_latest/swagger.json?datasource=tranquility", user_agent="Your User Agent Here").session()
await esi.start()

It also support the with syntax which will start and stop the sessions for you:

async with EsiPysi("https://esi.evetech.net/_latest/swagger.json?datasource=tranquility", user_agent="Your User Agent Here").session() as esi:
    #Do stuff here

Now from that object you can create operations, pass the operation ID to the get_operation function

op = esi.get_operation("get_search")

If it requires authorization you can use EsiAuth

You can either get one from your client info, access token, refresh token, and expire datetime (in UTC)

from esipysi import EsiAuth

auth = EsiAuth(CLIENT_ID, CLIENT_SECRET, ACCESS_TOKEN, REFRESH_TOKEN, EXPIRES_AT)
op.set_auth(auth)

Or you can get it from less data such as an authorization code you got back from the callback or just a refresh token:

from esipysi import EsiAuth

auth = await EsiAuth.from_authorization_code(CLIENT_ID, CLIENT_SECRET, AUTHORIZATION_CODE)
auth = await EsiAuth.from_refresh_token(CLIENT_ID, CLIENT_SECRET, REFRESH_TOKEN)
op.set_auth(auth)

And then you can execute that operation with parameters

result = await op.execute(categories="character", search="Flying Kiwi Sertan")

When you are finished with a session, it is reccomended to stop it:

await esi.stop_session()

Response Object

EsiPysi returns a response object called EsiResponse, it contains the following:

• response.text - The plain text of the body of the response
• resonse.json() - The text decoded as json into a python Dict
• response.status - The HTTP status code
• response.headers - a CIMultiDict which is a special dict cabable of holding multiple of the same key because headers are funky. They act just like a Dict with some extras.

Caching

EsiPysi has caching provided by redis. First create a redis client.

Example from redis-py

import redis
r = redis.StrictRedis(host='localhost', port=6379, db=0)

Now create a RedisCache object and pass it to the EsiPysi object

from esipysy import EsiPysi
from esipysy.cache import RedisCache
cache = RedisCache(r)
esi = EsiPysi("https://esi.evetech.net/_latest/swagger.json?datasource=tranquility", user_agent="Your User Agent Here", cache=cache)

Note: By default a DictCache is used, if you want to disable all caching, you can manually set cache=None

Contact / Links

In game: Flying Kiwi Sertan

GitHub: https://github.com/FlyingKiwiBird/EsiPysi

PyPi: https://pypi.org/project/EsiPysi/