async def load_data_from_endpoint(
data_endpoint: EndpointConfig, language: Optional[Text] = "en"
) -> "TrainingData":
"""Load training data from a URL."""
import requests
if not utils.is_url(data_endpoint.url):
raise requests.exceptions.InvalidURL(data_endpoint.url)
try:
response = await data_endpoint.request("get")
response.raise_for_status()
temp_data_file = io_utils.create_temporary_file(response.content, mode="w+b")
training_data = _load(temp_data_file, language)
return training_data
except Exception as e:
logger.warning(f"Could not retrieve training data from URL:\n{e}")
def _prepare_credentials_for_rasa_x(credentials_path: Optional[Text],
rasa_x_url: Optional[Text] = None) -> Text:
credentials_path = cli_utils.get_validated_path(credentials_path,
"credentials",
DEFAULT_CREDENTIALS_PATH,
True)
if credentials_path:
credentials = io_utils.read_config_file(credentials_path)
else:
credentials = {}
# this makes sure the Rasa X is properly configured no matter what
if rasa_x_url:
credentials["rasa"] = {"url": rasa_x_url}
dumped_credentials = yaml.dump(credentials, default_flow_style=False)
tmp_credentials = io_utils.create_temporary_file(dumped_credentials, "yml")
return tmp_credentials
async def _pull_runtime_config_from_server(
config_endpoint: Optional[Text],
attempts: int = 60,
wait_time_between_pulls: Union[int, float] = 5,
keys: Iterable[Text] = ("endpoints", "credentials"),
) -> Optional[List[Text]]:
"""Pull runtime config from `config_endpoint`.
Returns a list of paths to yaml dumps, each containing the contents of one of
`keys`.
"""
while attempts:
try:
async with aiohttp.ClientSession() as session:
async with session.get(config_endpoint) as resp:
if resp.status == 200:
rjs = await resp.json()
try:
return [
io_utils.create_temporary_file(rjs[k]) for k in keys
]
except KeyError as e:
cli_utils.print_error_and_exit(
"Failed to find key '{}' in runtime config. "
"Exiting.".format(e)
)
else:
logger.debug(
"Failed to get a proper response from remote "
"server. Status Code: {}. Response: '{}'"
"".format(resp.status, await resp.text())
)
except aiohttp.ClientError as e:
logger.debug(f"Failed to connect to server. Retrying. {e}")
await asyncio.sleep(wait_time_between_pulls)
attempts -= 1
cli_utils.print_error_and_exit(
"Could not fetch runtime config from server at '{}'. "
"Exiting.".format(config_endpoint)
)
async def download_file_from_url(url: Text) -> Text:
"""Download a story file from a url and persists it into a temp file.
Args:
url: url to download from
Returns:
The file path of the temp file that contains the
downloaded content.
"""
from rasa.nlu import utils as nlu_utils
if not nlu_utils.is_url(url):
raise InvalidURL(url)
async with aiohttp.ClientSession() as session:
async with session.get(url, raise_for_status=True) as resp:
filename = io_utils.create_temporary_file(await resp.read(), mode="w+b")
return filename
def dump_as_yaml_to_temporary_file(data: Dict) -> Optional[Text]:
"""Dump `data` as yaml to a temporary file."""
content = dump_yaml(data)
return rasa_io_utils.create_temporary_file(content)