79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
"""Support for RESTful API."""
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import logging
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import httpx
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from homeassistant.components.rest.utils import render_templates
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from homeassistant.helpers.httpx_client import get_async_client
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DEFAULT_TIMEOUT = 10
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_LOGGER = logging.getLogger(__name__)
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class RestData:
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"""Class for handling the data retrieval."""
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def __init__(
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self,
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hass,
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method,
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resource,
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auth,
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headers,
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params,
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data,
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verify_ssl,
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timeout=DEFAULT_TIMEOUT,
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):
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"""Initialize the data object."""
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self._hass = hass
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self._method = method
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self._resource = resource
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self._auth = auth
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self._headers = headers
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self._params = params
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self._request_data = data
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self._timeout = timeout
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self._verify_ssl = verify_ssl
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self._async_client = None
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self.data = None
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self.last_exception = None
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self.headers = None
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def set_url(self, url):
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"""Set url."""
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self._resource = url
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async def async_update(self, log_errors=True):
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"""Get the latest data from REST service with provided method."""
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if not self._async_client:
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self._async_client = get_async_client(
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self._hass, verify_ssl=self._verify_ssl
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)
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rendered_headers = render_templates(self._headers)
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rendered_params = render_templates(self._params)
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_LOGGER.debug("Updating from %s", self._resource)
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try:
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response = await self._async_client.request(
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self._method,
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self._resource,
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headers=rendered_headers,
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params=rendered_params,
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auth=self._auth,
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data=self._request_data,
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timeout=self._timeout,
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)
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self.data = response.text
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self.headers = response.headers
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except httpx.RequestError as ex:
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if log_errors:
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_LOGGER.error(
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"Error fetching data: %s failed with %s", self._resource, ex
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)
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self.last_exception = ex
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self.data = None
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self.headers = None
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