Function create_api_error_from_http_exception

docker/errors.py:22–39

Create a suitable APIError from requests.exceptions.HTTPError.

(e)

def create_api_error_from_http_exception(e):
    """
    Create a suitable APIError from requests.exceptions.HTTPError.
    """
    response = e.response
    try:
        explanation = response.json()['message']
    except ValueError:
        explanation = (response.text or '').strip()
    cls = APIError
    if response.status_code == 404:
        explanation_msg = (explanation or '').lower()
        if any(fragment in explanation_msg
               for fragment in _image_not_found_explanation_fragments):
            cls = ImageNotFound
        else:
            cls = NotFound
    raise cls(e, response=response, explanation=explanation) from e


class APIError(requests.exceptions.HTTPError, DockerException):