Create tools/file_loader.py

tools/file_loader.py

@@ -0,0 +1,14 @@
+import io
+import pandas as pd
+from PyPDF2 import PdfReader
+
+def read_pdf(file_bytes):
+    reader = PdfReader(io.BytesIO(file_bytes))
+    return "\n".join(page.extract_text() for page in reader.pages if page.extract_text())
+
+def read_csv(file_bytes):
+    df = pd.read_csv(io.BytesIO(file_bytes))
+    return df.to_string()
+
+def read_txt(file_bytes):
+    return file_bytes.decode("utf-8")