wehub-resource-sync
80 lines
2.8 KiB
Python
80 lines
2.8 KiB
Python
import logging
|
|
import warnings
|
|
|
|
from mlflow.tracking.request_header.databricks_request_header_provider import (
|
|
DatabricksRequestHeaderProvider,
|
|
)
|
|
from mlflow.tracking.request_header.default_request_header_provider import (
|
|
DefaultRequestHeaderProvider,
|
|
)
|
|
from mlflow.utils.plugins import get_entry_points
|
|
|
|
_logger = logging.getLogger(__name__)
|
|
|
|
|
|
class RequestHeaderProviderRegistry:
|
|
def __init__(self):
|
|
self._registry = []
|
|
|
|
def register(self, request_header_provider):
|
|
self._registry.append(request_header_provider())
|
|
|
|
def register_entrypoints(self):
|
|
"""Register tracking stores provided by other packages"""
|
|
for entrypoint in get_entry_points("mlflow.request_header_provider"):
|
|
try:
|
|
self.register(entrypoint.load())
|
|
except (AttributeError, ImportError) as exc:
|
|
warnings.warn(
|
|
'Failure attempting to register request header provider "{}": {}'.format(
|
|
entrypoint.name, str(exc)
|
|
),
|
|
stacklevel=2,
|
|
)
|
|
|
|
def __iter__(self):
|
|
return iter(self._registry)
|
|
|
|
|
|
_request_header_provider_registry = RequestHeaderProviderRegistry()
|
|
_request_header_provider_registry.register(DatabricksRequestHeaderProvider)
|
|
_request_header_provider_registry.register(DefaultRequestHeaderProvider)
|
|
|
|
_request_header_provider_registry.register_entrypoints()
|
|
|
|
|
|
def resolve_request_headers(request_headers=None):
|
|
"""Generate a set of request headers from registered providers.
|
|
|
|
Request headers are resolved in the order that providers are registered. Argument headers are
|
|
applied last. This function iterates through all request header providers in the registry.
|
|
Additional context providers can be registered as described in
|
|
:py:class:`mlflow.tracking.request_header.RequestHeaderProvider`.
|
|
|
|
Args:
|
|
request_headers: A dictionary of request headers to override. If specified, headers passed
|
|
in this argument will override those inferred from the context.
|
|
|
|
Returns:
|
|
A dictionary of resolved headers.
|
|
"""
|
|
|
|
all_request_headers = {}
|
|
for provider in _request_header_provider_registry:
|
|
try:
|
|
if provider.in_context():
|
|
# all_request_headers.update(provider.request_headers())
|
|
for header, value in provider.request_headers().items():
|
|
all_request_headers[header] = (
|
|
f"{all_request_headers[header]} {value}"
|
|
if header in all_request_headers
|
|
else value
|
|
)
|
|
except Exception as e:
|
|
_logger.warning("Encountered unexpected error during resolving request headers: %s", e)
|
|
|
|
if request_headers is not None:
|
|
all_request_headers.update(request_headers)
|
|
|
|
return all_request_headers
|