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"""IMS Envista Commons.""" |
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import asyncio |
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import http |
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import logging |
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import socket |
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from json import JSONDecodeError |
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from typing import Any |
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from uuid import UUID |
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import async_timeout |
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from aiohttp import ClientError, ClientResponse, ClientSession |
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_LOGGER = logging.getLogger(__name__) |
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class ImsEnvistaApiClientError(Exception): |
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"""Exception to indicate a general API error.""" |
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class ImsEnvistaApiClientCommunicationError( |
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ImsEnvistaApiClientError, |
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): |
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"""Exception to indicate a communication error.""" |
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class ImsEnvistaApiClientAuthenticationError( |
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ImsEnvistaApiClientError, |
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): |
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"""Exception to indicate an authentication error.""" |
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def _get_headers(token: UUID | str) -> dict[str, str]: |
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return { |
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"Accept": "application/vnd.github.v3.text-match+json", |
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"Authorization": f"ApiToken {token!s}" |
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} |
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def _verify_response_or_raise(response: ClientResponse) -> None: |
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"""Verify that the response is valid.""" |
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if response.status in (401, 403): |
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msg = "Invalid credentials" |
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raise ImsEnvistaApiClientAuthenticationError( |
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msg, |
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) |
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content_type = response.headers.get("Content-Type") |
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if content_type and "application/json" not in content_type: |
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msg = f"Invalid response from IMS - bad Content-Type: {content_type}" |
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raise ImsEnvistaApiClientError( |
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msg, |
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) |
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response.raise_for_status() |
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async def get( |
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session: ClientSession, url: str, token: UUID | str, headers: dict | None = None |
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) -> dict[str, Any]: |
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if not headers: |
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headers = _get_headers(token) |
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try: |
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async with async_timeout.timeout(180): |
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_LOGGER.debug("Sending GET from %s", url) |
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response = await session.get( |
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url=url, |
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headers=headers |
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) |
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_verify_response_or_raise(response) |
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json_resp = await response.json() |
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except (TimeoutError, asyncio.exceptions.TimeoutError) as exception: |
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msg = f"Timeout error fetching information from {url} - {exception}" |
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raise ImsEnvistaApiClientCommunicationError( |
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msg, |
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) from exception |
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except (ClientError, socket.gaierror) as exception: |
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msg = f"Error fetching information from {url} - {exception}" |
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raise ImsEnvistaApiClientCommunicationError( |
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msg, |
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) from exception |
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except JSONDecodeError as exception: |
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msg = f"Failed Parsing Response JSON from {url} - {exception!s}" |
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raise ImsEnvistaApiClientError(msg) from exception |
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except Exception as exception: # pylint: disable=broad-except |
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msg = f"Something really wrong happened! {url} {exception}" |
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raise ImsEnvistaApiClientError( |
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msg, |
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) from exception |
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if response.status != http.HTTPStatus.OK: |
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msg = f"Received Error from IMS Envista API from {url}: {response.status, response.reason}" |
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raise ImsEnvistaApiClientError(msg) |
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return json_resp |
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GuyKh /
py-ims-envista
