incremental loading - fallback to regular, update test cases

cognee/modules/pipelines/operations/run_tasks_data_item.py

@@ -9,6 +9,7 @@ import os
 from typing import Any, Dict, AsyncGenerator, Optional
 from sqlalchemy import select
 
+from cognee.infrastructure.files.exceptions import UnsupportedPathSchemeError
 import cognee.modules.ingestion as ingestion
 from cognee.infrastructure.databases.relational import get_relational_engine
 from cognee.infrastructure.files.utils.open_data_file import open_data_file
@@ -63,36 +64,51 @@ async def run_tasks_data_item_incremental(
 
     # If incremental_loading of data is set to True don't process documents already processed by pipeline
     # If data is being added to Cognee for the first time calculate the id of the data
-    if not isinstance(data_item, Data):
-        file_path = await save_data_item_to_storage(data_item)
-        # Ingest data and add metadata
-        async with open_data_file(file_path) as file:
-            classified_data = ingestion.classify(file)
-            # data_id is the hash of file contents + owner id to avoid duplicate data
-            data_id = ingestion.identify(classified_data, user)
-    else:
-        # If data was already processed by Cognee get data id
-        data_id = data_item.id
+    try:
+        if not isinstance(data_item, Data):
+            file_path = await save_data_item_to_storage(data_item)
+            # Ingest data and add metadata
+            async with open_data_file(file_path) as file:
+                classified_data = ingestion.classify(file)
+                # data_id is the hash of file contents + owner id to avoid duplicate data
+                data_id = ingestion.identify(classified_data, user)
+        else:
+            # If data was already processed by Cognee get data id
+            data_id = data_item.id
 
-    # Check pipeline status, if Data already processed for pipeline before skip current processing
-    async with db_engine.get_async_session() as session:
-        data_point = (
-            await session.execute(select(Data).filter(Data.id == data_id))
-        ).scalar_one_or_none()
-        if data_point:
-            if (
-                data_point.pipeline_status.get(pipeline_name, {}).get(str(dataset.id))
-                == DataItemStatus.DATA_ITEM_PROCESSING_COMPLETED
-            ):
-                yield {
-                    "run_info": PipelineRunAlreadyCompleted(
-                        pipeline_run_id=pipeline_run_id,
-                        dataset_id=dataset.id,
-                        dataset_name=dataset.name,
-                    ),
-                    "data_id": data_id,
-                }
-                return
+        # Check pipeline status, if Data already processed for pipeline before skip current processing
+        async with db_engine.get_async_session() as session:
+            data_point = (
+                await session.execute(select(Data).filter(Data.id == data_id))
+            ).scalar_one_or_none()
+            if data_point:
+                if (
+                    data_point.pipeline_status.get(pipeline_name, {}).get(str(dataset.id))
+                    == DataItemStatus.DATA_ITEM_PROCESSING_COMPLETED
+                ):
+                    yield {
+                        "run_info": PipelineRunAlreadyCompleted(
+                            pipeline_run_id=pipeline_run_id,
+                            dataset_id=dataset.id,
+                            dataset_name=dataset.name,
+                        ),
+                        "data_id": data_id,
+                    }
+                    return
+    except UnsupportedPathSchemeError as e:
+        logger.warning(f"data_item does not support incremental loading: {str(e)}")
+        # Fall back to regular processing since incremental loading is not supported
+        async for result in run_tasks_data_item_regular(
+            data_item=data_item,
+            dataset=dataset,
+            tasks=tasks,
+            pipeline_id=pipeline_id,
+            pipeline_run_id=pipeline_run_id,
+            context=context,
+            user=user,
+        ):
+            yield result
+        return
 
     try:
         # Process data based on data_item and list of tasks

cognee/tests/integration/web_url_crawler/test_add.py

@@ -12,7 +12,6 @@ async def test_add_fails_when_preferred_loader_not_specified():
     with pytest.raises(ValueError):
         await cognee.add(
             "https://en.wikipedia.org/wiki/Large_language_model",
-            incremental_loading=False,  # TODO: incremental loading bypasses regular data ingestion, which breaks. Will fix
         )
 
 
@@ -42,7 +41,70 @@ async def test_add_succesfully_adds_url_when_preferred_loader_specified():
         await cognee.add(
             "https://en.wikipedia.org/wiki/Large_language_model",
             preferred_loaders=["web_url_loader"],
-            incremental_loading=False,  # TODO: incremental loading bypasses regular data ingestion, which breaks. Will fix
+            loaders_config=loaders_config,
+        )
+    except Exception as e:
+        pytest.fail(f"Failed to add url: {e}")
+
+
+@pytest.mark.asyncio
+async def test_add_with_incremental_loading_works():
+    await cognee.prune.prune_data()
+    await cognee.prune.prune_system(metadata=True)
+
+    extraction_rules = {
+        "title": {"selector": "title"},
+        "headings": {"selector": "h1, h2, h3", "all": True},
+        "links": {"selector": "a", "attr": "href", "all": True},
+        "paragraphs": {"selector": "p", "all": True},
+    }
+
+    loaders_config = {
+        "web_url_loader": {
+            "soup_config": {
+                "max_depth": 1,
+                "follow_links": False,
+                "extraction_rules": extraction_rules,
+            }
+        }
+    }
+    try:
+        await cognee.add(
+            "https://en.wikipedia.org/wiki/Large_language_model",
+            preferred_loaders=["web_url_loader"],
+            incremental_loading=True,
+            loaders_config=loaders_config,
+        )
+    except Exception as e:
+        pytest.fail(f"Failed to add url: {e}")
+
+
+@pytest.mark.asyncio
+async def test_add_without_incremental_loading_works():
+    await cognee.prune.prune_data()
+    await cognee.prune.prune_system(metadata=True)
+
+    extraction_rules = {
+        "title": {"selector": "title"},
+        "headings": {"selector": "h1, h2, h3", "all": True},
+        "links": {"selector": "a", "attr": "href", "all": True},
+        "paragraphs": {"selector": "p", "all": True},
+    }
+
+    loaders_config = {
+        "web_url_loader": {
+            "soup_config": {
+                "max_depth": 1,
+                "follow_links": False,
+                "extraction_rules": extraction_rules,
+            }
+        }
+    }
+    try:
+        await cognee.add(
+            "https://en.wikipedia.org/wiki/Large_language_model",
+            preferred_loaders=["web_url_loader"],
+            incremental_loading=False,
             loaders_config=loaders_config,
         )
     except Exception as e: