qcs-python/contentapi.py

89 lines
3.7 KiB
Python

import requests
import logging
class AuthenticationError(Exception):
""" Exception for 401 errors, meaning your token was bad (expired maybe?) """
class BadRequestError(Exception):
"""Exception for 400 errors, meaning you gave something funky to the API
(maybe your search was malformed?) """
class NotFoundError(Exception):
"""Exception for 404 errors, meaning whatever you were looking for wasn't found
(This is rare from the API) """
# Your gateway to the static endpoints for contentapi. It's a context because it needs
# to track stuff like "which api am I contacting" and "which user am I authenticating as (if any)"
class ApiContext:
# You MUST define the endpoint when creating the API context! You can optionally set
# the token on startup, or you can set it at any time. Set to a "falsey" value to
# to browse as an anonymous user
def __init__(self, endpoint: str, logger: logging.Logger, token = False):
self.endpoint = endpoint
self.logger = logger
self.token = token
# Generate the standard headers we use for most requests. You usually don't need to
# change anything here, just make sure your token is set if you want to be logged in
def gen_header(self, content_type = "application/json"):
headers = {
"Content-Type" : content_type,
"Accept" : content_type
}
if self.token:
headers["Authorization"] = "Bearer" + self.token
return headers
# Given a standard response from the API, parse the status code to throw the appropriate
# exceptions, or return the actual response from the API as a parsed object.
def parse_response(self, response):
if response.status_code == 200:
return response.json()
elif response.status_code == 400:
raise BadRequestError("Bad request: %s" % response.content)
elif response.status_code == 401:
raise AuthenticationError("Your token is bad!")
elif response.status_code == 404:
raise NotFoundError("Could not find content!")
else:
raise Exception("Unknown error (%s) - %s" % (response.status_code, response.content))
# Perform a standard get request and return the pre-parsed object (all contentapi endpoints
# return objects). Throws exception on error
def get(self, endpoint):
url = self.endpoint + "/" + endpoint
# self.logger.debug("GET: " + url) # Not necessary, DEBUG in requests does this
response = requests.get(url, headers = self.gen_header())
return self.parse_response(response)
def post(self, endpoint, data):
url = self.endpoint + "/" + endpoint
# self.logger.debug("POST: " + url)
response = requests.post(url, headers = self.gen_header(), json = data)
return self.parse_response(response)
# Connect to the API to determine if your token is still valid.
def is_token_valid(self):
try:
return self.token and self.get("user/me")
except Exception as ex:
self.logger.debug("Error from endpoint: %s" % ex)
return False
# Basic login endpoint, should return your token on success
def login(self, username, password, expire_seconds = False):
data = {
"username" : username,
"password" : password
}
if expire_seconds:
data["expireSeconds"] = expire_seconds
return self.post("user/login", data)
# Get information about the API. Very useful to test your connection to the API
def api_status(self):
return self.get("status")