Source code for dymaxionlabs.utils

import http
import json
import os
from urllib.parse import urljoin, urlparse

import requests
from requests.adapters import HTTPAdapter
from requests.packages.urllib3.util.retry import Retry

DEFAULT_TIMEOUT = 30  # seconds

[docs]class TimeoutHTTPAdapter(HTTPAdapter): def __init__(self, *args, **kwargs): self.timeout = DEFAULT_TIMEOUT if "timeout" in kwargs: self.timeout = kwargs["timeout"] del kwargs["timeout"] super().__init__(*args, **kwargs)
[docs] def send(self, request, **kwargs): timeout = kwargs.get("timeout") if timeout is None: kwargs["timeout"] = self.timeout return super().send(request, **kwargs)
# Set debug level #http.client.HTTPConnection.debuglevel = 1 # Setup a Retry strategy, with exponential backoff retry_strategy = Retry( total=3, backoff_factor=1, status_forcelist=[413, 429, 500, 502, 503, 504], method_whitelist=["HEAD", "GET", "PUT", "DELETE", "OPTIONS", "TRACE"]) adapter = TimeoutHTTPAdapter(max_retries=retry_strategy) session = requests.Session() session.mount("https://", adapter) session.mount("http://", adapter)
[docs]class BadRequestError(Exception): pass
[docs]class InternalServerError(Exception): pass
[docs]class NotFoundError(Exception): pass
[docs]def get_api_url(): """Get current API URL from environment""" return os.getenv("DYM_API_URL", "")
[docs]def get_api_key(): """Get current API Key from environment""" return os.environ.get("DYM_API_KEY")
[docs]def request(method, path, body=None, files=None, params={}, headers={}, binary=False, parse_response=True): """Makes an HTTP request to the API""" headers = {'Authorization': 'Api-Key {}'.format(get_api_key()), **headers} request_method = getattr(session, method) url = urljoin(get_api_url(), path) if files: response = request_method(url, files=files, data=body, params=params, headers=headers) else: if binary: response = request_method(url, data=body, params=params, headers=headers) else: response = request_method(url, json=body, params=params, headers=headers) code = response.status_code # Error handling if code == 404: raise NotFoundError(response.text) elif code in range(400, 500): raise BadRequestError(response.text) elif code in range(500, 600): raise InternalServerError(response.text) # If code is 204, return nothing if code == 204: return # Otherwise, parse json response and return if parse_response: return json.loads(response.text) else: return response.content
[docs]def fetch_from_list_request(path, params={}): """Fetches all entities from a paginated result""" res = [] response = request('get', path, params=params) res.extend(response['results']) if response['next']: p = urlparse(response['next']) new_path = '{}?{}#{}'.format(p.path, p.query, p.fragment) next_items = fetch_from_list_request(path=new_path, params=params) res.extend(next_items) return res