Update app.py

app.py

@@ -0,0 +1,50 @@
+import gradio as gr
+from PyPDF2 import PdfReader, PdfWriter
+import os
+
+def split_pdf(file_path, start_page, end_page):
+     
+    reader = PdfReader(file_path)
+    num_pages = len(reader.pages)
+
+    # Validate page range 
+    if start_page < 1 or end_page > num_pages or start_page > end_page:
+         
+        raise ValueError(f"Invalid page range: 1–{num_pages} allowed.")
+
+    writer = PdfWriter()
+
+    # Convert to 0-based for PyPDF2
+    for i in range(int(start_page) - 1, int(end_page)):
+        writer.add_page(reader.pages[i])
+
+     
+    base_dir = os.path.dirname(file_path)
+    base_name = os.path.splitext(os.path.basename(file_path))[0]
+    output_path = os.path.join(
+        base_dir,
+        f"{base_name}_pages_{int(start_page)}_{int(end_page)}.pdf"
+    )
+
+    with open(output_path, "wb") as output_pdf:
+        writer.write(output_pdf)
+
+     
+    return output_path
+
+# Gradio interface
+iface = gr.Interface(
+    fn=split_pdf,
+    inputs=[
+        gr.File(label="Upload PDF", type="filepath"),
+        gr.Number(label="Start Page", value=1, precision=0),
+        gr.Number(label="End Page", value=1, precision=0),
+    ],
+    outputs=gr.File(label="Download Split PDF"),
+    title="PDF Splitter",
+    description="Upload a PDF and specify the start and end pages to split."
+)
+
+ 
+if __name__ == "__main__":
+    iface.launch()