feat: notion loader (#405)

embedchain/loaders/notion.py

@@ -0,0 +1,41 @@
+import logging
+import os
+
+try:
+    from llama_index import download_loader
+except ImportError:
+    raise ImportError("Notion requires extra dependencies. Install with `pip install embedchain[notion]`") from None
+
+
+from embedchain.loaders.base_loader import BaseLoader
+from embedchain.utils import clean_string
+
+
+class NotionLoader(BaseLoader):
+    def load_data(self, source):
+        """Load data from a PDF file."""
+
+        NotionPageReader = download_loader("NotionPageReader")
+
+        # Reformat Id to match notion expectation
+        id = source[-32:]
+        formatted_id = f"{id[:8]}-{id[8:12]}-{id[12:16]}-{id[16:20]}-{id[20:]}"
+        logging.debug(f"Extracted notion page id as: {formatted_id}")
+
+        # Get page through the notion api
+        integration_token = os.getenv("NOTION_INTEGRATION_TOKEN")
+        reader = NotionPageReader(integration_token=integration_token)
+        documents = reader.load_data(page_ids=[formatted_id])
+
+        # Extract text
+        raw_text = documents[0].text
+
+        # Clean text
+        text = clean_string(raw_text)
+
+        return [
+            {
+                "content": text,
+                "meta_data": {"url": f"notion-{formatted_id}"},
+            }
+        ]