Update app.py

app.py

@@ -0,0 +1,64 @@
+import streamlit as st
+import pdfplumber
+import io
+from PyPDF2 import PdfReader
+from pdf2image import convert_from_bytes
+
+
+def extract_text_from_pdf(pdf_file):
+    text = ""
+    with pdfplumber.open(pdf_file) as pdf:
+        for page in pdf.pages:
+            text += page.extract_text() + "\n\n"
+    return text
+
+
+def main():
+    st.title("Tops Infosolutions Pvt. Ltd.")
+    st.write("Upload a PDF, view its pages, and convert it to Markdown.")
+
+    uploaded_file = st.file_uploader("Choose a PDF file", type=["pdf"])
+
+    if uploaded_file is not None:
+        # Create a byte stream of the PDF without consuming the file pointer
+        pdf_bytes = uploaded_file.getvalue()
+
+        pdf_reader = PdfReader(io.BytesIO(pdf_bytes))
+        total_pages = len(pdf_reader.pages)
+        st.session_state.page_number = st.session_state.get("page_number", 0)
+
+        col1, col2 = st.columns([1, 6])
+        with col1:
+            if st.button("Previous"):
+                st.session_state.page_number = max(0, st.session_state.page_number - 1)
+        with col2:
+            if st.button("Next"):
+                st.session_state.page_number = min(total_pages - 1, st.session_state.page_number + 1)
+
+        # Convert PDF to images using the raw bytes
+        images = convert_from_bytes(pdf_bytes, first_page=st.session_state.page_number + 1,
+                                    last_page=st.session_state.page_number + 1)
+
+        if images:
+            st.image(images[0], use_column_width=True)
+
+        page = pdf_reader.pages[st.session_state.page_number]
+        text = page.extract_text()
+
+        st.subheader(f"Page {st.session_state.page_number + 1} of {total_pages}")
+        st.text_area("Extracted Text", text, height=300)
+
+        md_file = io.BytesIO()
+        md_file.write(text.encode('utf-8'))
+        md_file.seek(0)
+
+        st.download_button(
+            label="Download Markdown",
+            data=md_file,
+            file_name="converted.md",
+            mime="text/markdown"
+        )
+
+
+if __name__ == "__main__":
+    main()