chore: incremental without partition router as defaultstream (#697)

Co-authored-by: octavia-squidington-iii <[email protected]>

Author: maxi297

airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py

@@ -94,16 +94,13 @@
     ClientSideIncrementalRecordFilterDecorator,
 )
 from airbyte_cdk.sources.declarative.incremental import (
-    ChildPartitionResumableFullRefreshCursor,
     ConcurrentCursorFactory,
     ConcurrentPerPartitionCursor,
     CursorFactory,
     DatetimeBasedCursor,
     DeclarativeCursor,
     GlobalSubstreamCursor,
-    PerPartitionCursor,
     PerPartitionWithGlobalCursor,
-    ResumableFullRefreshCursor,
 )
 from airbyte_cdk.sources.declarative.interpolation import InterpolatedString
 from airbyte_cdk.sources.declarative.interpolation.interpolated_mapping import InterpolatedMapping
@@ -446,10 +443,6 @@
 from airbyte_cdk.sources.declarative.models.declarative_component_schema import (
     ZipfileDecoder as ZipfileDecoderModel,
 )
-from airbyte_cdk.sources.declarative.parsers.custom_code_compiler import (
-    COMPONENTS_MODULE_NAME,
-    SDM_COMPONENTS_MODULE_NAME,
-)
 from airbyte_cdk.sources.declarative.partition_routers import (
     CartesianProductStreamSlicer,
     GroupingPartitionRouter,
@@ -508,7 +501,7 @@
     RequestOptionsProvider,
 )
 from airbyte_cdk.sources.declarative.requesters.request_path import RequestPath
-from airbyte_cdk.sources.declarative.requesters.requester import HttpMethod, Requester
+from airbyte_cdk.sources.declarative.requesters.requester import HttpMethod
 from airbyte_cdk.sources.declarative.resolvers import (
     ComponentMappingDefinition,
     ConfigComponentsResolver,
@@ -617,6 +610,9 @@
 )
 from airbyte_cdk.sources.streams.concurrent.default_stream import DefaultStream
 from airbyte_cdk.sources.streams.concurrent.helpers import get_primary_key_from_stream
+from airbyte_cdk.sources.streams.concurrent.partitions.stream_slicer import (
+    StreamSlicer as ConcurrentStreamSlicer,
+)
 from airbyte_cdk.sources.streams.concurrent.state_converters.datetime_stream_state_converter import (
     CustomFormatConcurrentStreamStateConverter,
     DateTimeStreamStateConverter,
@@ -1933,29 +1929,7 @@ def create_datetime_based_cursor(
     def create_declarative_stream(
         self, model: DeclarativeStreamModel, config: Config, is_parent: bool = False, **kwargs: Any
     ) -> Union[DeclarativeStream, AbstractStream]:
-        # When constructing a declarative stream, we assemble the incremental_sync component and retriever's partition_router field
-        # components if they exist into a single CartesianProductStreamSlicer. This is then passed back as an argument when constructing the
-        # Retriever. This is done in the declarative stream not the retriever to support custom retrievers. The custom create methods in
-        # the factory only support passing arguments to the component constructors, whereas this performs a merge of all slicers into one.
-        combined_slicers = self._merge_stream_slicers(model=model, config=config)
-
         primary_key = model.primary_key.__root__ if model.primary_key else None
-        stop_condition_on_cursor = (
-            model.incremental_sync
-            and hasattr(model.incremental_sync, "is_data_feed")
-            and model.incremental_sync.is_data_feed
-        )
-        client_side_filtering_enabled = (
-            model.incremental_sync
-            and hasattr(model.incremental_sync, "is_client_side_incremental")
-            and model.incremental_sync.is_client_side_incremental
-        )
-        concurrent_cursor = None
-        if stop_condition_on_cursor or client_side_filtering_enabled:
-            stream_slicer = self._build_stream_slicer_from_partition_router(
-                model.retriever, config, stream_name=model.name
-            )
-            concurrent_cursor = self._build_concurrent_cursor(model, stream_slicer, config)
 
         if model.incremental_sync and isinstance(model.incremental_sync, DatetimeBasedCursorModel):
             cursor_model = model.incremental_sync
@@ -2023,16 +1997,27 @@ def create_declarative_stream(
                 model=model.file_uploader, config=config
             )
 
+        # When constructing a declarative stream, we assemble the incremental_sync component and retriever's partition_router field
+        # components if they exist into a single CartesianProductStreamSlicer. This is then passed back as an argument when constructing the
+        # Retriever. This is done in the declarative stream not the retriever to support custom retrievers. The custom create methods in
+        # the factory only support passing arguments to the component constructors, whereas this performs a merge of all slicers into one.
+        combined_slicers = self._merge_stream_slicers(model=model, config=config)
+        partition_router = self._build_stream_slicer_from_partition_router(
+            model.retriever, config, stream_name=model.name
+        )
+        concurrent_cursor = self._build_concurrent_cursor(model, partition_router, config)
         retriever = self._create_component_from_model(
             model=model.retriever,
             config=config,
             name=model.name,
             primary_key=primary_key,
             stream_slicer=combined_slicers,
             request_options_provider=request_options_provider,
-            stop_condition_cursor=concurrent_cursor,
+            stop_condition_cursor=concurrent_cursor
+            if self._is_stop_condition_on_cursor(model)
+            else None,
             client_side_incremental_sync={"cursor": concurrent_cursor}
-            if client_side_filtering_enabled
+            if self._is_client_side_filtering_enabled(model)
             else None,
             transformations=transformations,
             file_uploader=file_uploader,
@@ -2066,37 +2051,61 @@ def create_declarative_stream(
             schema_loader = DefaultSchemaLoader(config=config, parameters=options)
 
         if (
-            isinstance(combined_slicers, PartitionRouter)
+            (
+                isinstance(combined_slicers, PartitionRouter)
+                or isinstance(concurrent_cursor, ConcurrentCursor)
+            )
             and not self._emit_connector_builder_messages
             and not is_parent
         ):
             # We are starting to migrate streams to instantiate directly the DefaultStream instead of instantiating the
             # DeclarativeStream and assembling the DefaultStream from that. The plan is the following:
             # * Streams without partition router nor cursors and streams with only partition router. This is the `isinstance(combined_slicers, PartitionRouter)` condition as the first kind with have a SinglePartitionRouter
-            # * Streams without partition router but with cursor
+            # * Streams without partition router but with cursor. This is the `isinstance(concurrent_cursor, ConcurrentCursor)` condition
             # * Streams with both partition router and cursor
             # We specifically exclude parent streams here because SubstreamPartitionRouter has not been updated yet
             # We specifically exclude Connector Builder stuff for now as Brian is working on this anyway
+
             stream_name = model.name or ""
+            stream_slicer: ConcurrentStreamSlicer = (
+                concurrent_cursor if concurrent_cursor else SinglePartitionRouter(parameters={})
+            )
+            cursor: Cursor = FinalStateCursor(stream_name, None, self._message_repository)
+            if isinstance(retriever, AsyncRetriever):
+                # The AsyncRetriever only ever worked with a cursor from the concurrent package. Hence, the method
+                # `_build_incremental_cursor` which we would usually think would return only declarative stuff has a
+                # special clause and return a concurrent cursor. This stream slicer is passed to AsyncRetriever when
+                # built because the async retriever has a specific partition router which relies on this stream slicer.
+                # We can't re-use `concurrent_cursor` because it is a different instance than the one passed in
+                # AsyncJobPartitionRouter.
+                stream_slicer = retriever.stream_slicer
+                if isinstance(combined_slicers, Cursor):
+                    cursor = combined_slicers
+            elif isinstance(combined_slicers, PartitionRouter):
+                stream_slicer = combined_slicers
+            elif concurrent_cursor:
+                cursor = concurrent_cursor
+
             partition_generator = StreamSlicerPartitionGenerator(
                 DeclarativePartitionFactory(
                     stream_name,
                     schema_loader,
                     retriever,
                     self._message_repository,
                 ),
-                stream_slicer=combined_slicers,
+                stream_slicer=stream_slicer,
             )
             return DefaultStream(
                 partition_generator=partition_generator,
                 name=stream_name,
                 json_schema=schema_loader.get_json_schema,
                 primary_key=get_primary_key_from_stream(primary_key),
-                cursor_field=None,
-                # FIXME we should have the cursor field has part of the interface of cursor
+                cursor_field=cursor.cursor_field.cursor_field_key
+                if hasattr(cursor, "cursor_field")
+                else "",  # FIXME we should have the cursor field has part of the interface of cursor,
                 logger=logging.getLogger(f"airbyte.{stream_name}"),
-                # FIXME this is a breaking change compared to the old implementation,
-                cursor=FinalStateCursor(stream_name, None, self._message_repository),
+                # FIXME this is a breaking change compared to the old implementation which used the source name instead
+                cursor=cursor,
                 supports_file_transfer=hasattr(model, "file_uploader")
                 and bool(model.file_uploader),
             )
@@ -2120,6 +2129,20 @@ def create_declarative_stream(
             parameters=model.parameters or {},
         )
 
+    def _is_stop_condition_on_cursor(self, model: DeclarativeStreamModel) -> bool:
+        return bool(
+            model.incremental_sync
+            and hasattr(model.incremental_sync, "is_data_feed")
+            and model.incremental_sync.is_data_feed
+        )
+
+    def _is_client_side_filtering_enabled(self, model: DeclarativeStreamModel) -> bool:
+        return bool(
+            model.incremental_sync
+            and hasattr(model.incremental_sync, "is_client_side_incremental")
+            and model.incremental_sync.is_client_side_incremental
+        )
+
     def _build_stream_slicer_from_partition_router(
         self,
         model: Union[