presto-requests 0.3.5

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Presto! Requests

An object-oriented REST API client & requests extesion library.

Installation

pip install presto-requests

poetry add presto-requests

Concept:

Presto! Requests is a library that extends the functionality of the requests library. It provides a simple way to create a REST API client that is object-oriented and easy to use.

Example:

from pprint import pprint
from presto import Presto

presto = Presto("https://api.github.com")

user = presto.users.sitbon()  # == presto.users["sitbon"]()

print(f"User {user.attr.login} has {user.attr.public_repos} public repositories.")

pprint(user.json())

User sitbon has 15 public repositories.
{'avatar_url': 'https://avatars.githubusercontent.com/u/1381063?v=4',
 'bio': None,
 'blog': '',
 'company': None,
 'created_at': '2012-01-26T04:25:21Z',
 'email': None,
 'events_url': 'https://api.github.com/users/sitbon/events{/privacy}',
 'followers': 7,
 'followers_url': 'https://api.github.com/users/sitbon/followers',
 'following': 13,
 'following_url': 'https://api.github.com/users/sitbon/following{/other_user}',
 'gists_url': 'https://api.github.com/users/sitbon/gists{/gist_id}',
 'gravatar_id': '',
 'hireable': None,
 'html_url': 'https://github.com/sitbon',
 'id': 1381063,
 'location': 'Portland, OR, USA',
 'login': 'sitbon',
 'name': 'Phillip Sitbon',
 'node_id': 'MDQ6VXNlcjEzODEwNjM=',
 'organizations_url': 'https://api.github.com/users/sitbon/orgs',
 'public_gists': 4,
 'public_repos': 15,
 'received_events_url': 'https://api.github.com/users/sitbon/received_events',
 'repos_url': 'https://api.github.com/users/sitbon/repos',
 'site_admin': False,
 'starred_url': 'https://api.github.com/users/sitbon/starred{/owner}{/repo}',
 'subscriptions_url': 'https://api.github.com/users/sitbon/subscriptions',
 'twitter_username': None,
 'type': 'User',
 'updated_at': '2022-11-22T00:41:18Z',
 'url': 'https://api.github.com/users/sitbon'}

Usage:

Each dot in the path of the request is a new request object.

Calling the object without any arguments will execute the request and return the response object.

Indexing the object like a list is a convient way to extend the path to a new object for things like id paths, e.g. presto.note[1]().

Specifying keyword arguments will add them to the request as keyword arguments to requests.request(), and then return the current object for further chaining.

There are a few special top-level attributes that can be used to modify the request: get, post, put, patch, delete, head, options, and finally request which is an empty path component that can be used to indirectly modify existing top-level auto created request objects.

All of these top-level attributes are able to clone existing request attributes, to modify the path and parent parameters while using the same component path and parameters.

For example:

from presto import Presto

presto = Presto("http://127.0.0.1:8000", APPEND_SLASH=True)

api = presto.api

print("api:", api)
print("presto.request.api:", presto.request.api)

api(headers={"X-User": "Testing"})(allow_redirects=False)

print("api(...):", api)

resp = api.note[4]()

print("req headers:", resp.request.headers)
print("resp:", resp)
print("note:", resp.attr)

api: Presto(url='http://127.0.0.1:8000/', params=adict(method='GET', headers=adict(Accept='application/json'))).Request(path='/api/')
presto.request.api: Presto(url='http://127.0.0.1:8000/', params=adict(method='GET', headers=adict(Accept='application/json'))).Request(path='/').Request(path='/api/')
api(...): Presto(url='http://127.0.0.1:8000/', params=adict(method='GET', headers=adict(Accept='application/json'))).Request(path='/api/', params=adict(headers={'X-User': 'Testing'}, allow_redirects=False))
req headers: {'User-Agent': 'python-requests/2.28.1', 'Accept-Encoding': 'gzip, deflate', 'Accept': 'application/json', 'Connection': 'keep-alive', 'X-User': 'Testing'}
resp: <Response [200]>
note: adict(id=4, url='http://127.0.0.1:8000/api/note/4/', time='2022-12-02T19:26:09-0800', note='Hello from the API!!', collection='http://127.0.0.1:8000/api/coll/3/')

response.attr is an adict instance, which is a dictionary that can be accessed as attributes. It contains the JSON-decoded content of a response, if any.

APPEND_SLASH is meant to be client implementation-specific, e.g. for a Django Rest Framework client, one would typically set Presto.APPEND_SLASH = True or inherit from Presto in a pre-defined API client class.