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data_sources.py
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160 lines (145 loc) · 5.84 KB
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import logging
from typing import Dict
from fastapi import APIRouter, Depends, Query
from feast.api.registry.rest.codegen_utils import (
render_data_source_code,
render_push_source_code,
render_request_source_code,
)
from feast.api.registry.rest.rest_utils import (
aggregate_across_projects,
create_grpc_pagination_params,
create_grpc_sorting_params,
get_object_relationships,
get_pagination_params,
get_relationships_for_objects,
get_sorting_params,
grpc_call,
parse_tags,
)
from feast.protos.feast.registry import RegistryServer_pb2
from feast.type_map import _convert_value_type_str_to_value_type
from feast.types import from_value_type
logger = logging.getLogger(__name__)
def get_data_source_router(grpc_handler) -> APIRouter:
router = APIRouter()
@router.get("/data_sources")
def list_data_sources(
project: str = Query(...),
include_relationships: bool = Query(
False, description="Include relationships for each data source"
),
allow_cache: bool = Query(default=True),
tags: Dict[str, str] = Depends(parse_tags),
pagination_params: dict = Depends(get_pagination_params),
sorting_params: dict = Depends(get_sorting_params),
):
req = RegistryServer_pb2.ListDataSourcesRequest(
project=project,
allow_cache=allow_cache,
tags=tags,
pagination=create_grpc_pagination_params(pagination_params),
sorting=create_grpc_sorting_params(sorting_params),
)
response = grpc_call(grpc_handler.ListDataSources, req)
data_sources = response.get("dataSources", [])
result = {
"dataSources": data_sources,
"pagination": response.get("pagination", {}),
}
if include_relationships:
relationships = get_relationships_for_objects(
grpc_handler, data_sources, "dataSource", project, allow_cache
)
result["relationships"] = relationships
return result
@router.get("/data_sources/all")
def list_data_sources_all(
allow_cache: bool = Query(default=True),
page: int = Query(1, ge=1),
limit: int = Query(50, ge=1, le=100),
sort_by: str = Query(None),
sort_order: str = Query("asc"),
include_relationships: bool = Query(
False, description="Include relationships for each data source"
),
):
return aggregate_across_projects(
grpc_handler=grpc_handler,
list_method=grpc_handler.ListDataSources,
request_cls=RegistryServer_pb2.ListDataSourcesRequest,
response_key="dataSources",
object_type="dataSource",
allow_cache=allow_cache,
page=page,
limit=limit,
sort_by=sort_by,
sort_order=sort_order,
include_relationships=include_relationships,
)
@router.get("/data_sources/{name}")
def get_data_source(
name: str,
project: str = Query(...),
include_relationships: bool = Query(
False, description="Include relationships for this data source"
),
allow_cache: bool = Query(default=True),
):
req = RegistryServer_pb2.GetDataSourceRequest(
name=name,
project=project,
allow_cache=allow_cache,
)
data_source = grpc_call(grpc_handler.GetDataSource, req)
result = data_source
if include_relationships:
relationships = get_object_relationships(
grpc_handler, "dataSource", name, project, allow_cache
)
result["relationships"] = relationships
if result:
spec = result.get("spec", result)
name = spec.get("name", result.get("name", "default_source"))
source_type = spec.get("type", "").upper()
if source_type == "REQUEST_SOURCE":
schema_fields = []
feast_types = set()
for field in spec.get("requestDataOptions", {}).get("schema", []):
value_type_enum = _convert_value_type_str_to_value_type(
field.get("valueType", "").upper()
)
feast_type = from_value_type(value_type_enum)
dtype = getattr(feast_type, "__name__", str(feast_type))
schema_fields.append(
f' Field(name="{field["name"]}", dtype={dtype}),'
)
feast_types.add(dtype)
context = dict(
name=name,
schema_lines=schema_fields,
feast_types=list(feast_types),
)
result["featureDefinition"] = render_request_source_code(context)
return result
elif source_type == "PUSH_SOURCE" and "batchSource" in spec:
batch_source_name = spec["batchSource"].get("name", "batch_source")
context = dict(
name=name,
batch_source_name=batch_source_name,
)
result["featureDefinition"] = render_push_source_code(context)
return result
else:
path = spec.get("path") or spec.get("fileOptions", {}).get("uri", "")
timestamp_field = spec.get("timestampField", "event_timestamp")
created_timestamp_column = spec.get("createdTimestampColumn", "")
context = dict(
name=name,
path=path,
timestamp_field=timestamp_field,
created_timestamp_column=created_timestamp_column,
)
result["featureDefinition"] = render_data_source_code(context)
return result
return router