qcs-python/contentapi.py

68 lines
2.7 KiB
Python

import requests
# Exception for 401 errors, meaning your token was bad (expired maybe?)
class AuthenticationError(Exception):
pass
# Exception for 400 errors, meaning you gave something funky to the API
# (maybe your search was malformed?)
class BadRequestError(Exception):
pass
# Exception for 404 errors, meaning whatever you were looking for wasn't found
# (This is rare from the API)
class NotFoundError(Exception):
pass
# 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, 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
}
if self.token:
headers["Authorization"] = f"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(f"Bad request: {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(f"Unknown error ({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):
response = requests.get(self.endpoint + "/" + endpoint, headers = self.gen_header())
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(f"Error from endpoint: {ex}")
return False