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app.py

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+import streamlit as st
+import qrcode
+from io import BytesIO
+from PIL import Image
+import requests
+
+# Streamlit app
+st.title("QR Code Generator")
+st.subheader("Generate a QR Code for Text, URLs, or Uploaded Files")
+
+# Choice: Text/URL or File Upload
+option = st.radio("Choose an option:", ["Enter Text/URL", "Upload a File"])
+
+if option == "Enter Text/URL":
+    user_input = st.text_input("Enter the text or URL for which you want to generate a QR Code:")
+
+    if st.button("Generate QR Code"):
+        if user_input:
+            # Generate QR code
+            qr = qrcode.QRCode(
+                version=1,
+                error_correction=qrcode.constants.ERROR_CORRECT_L,
+                box_size=10,
+                border=4,
+            )
+            qr.add_data(user_input)
+            qr.make(fit=True)
+
+            # Create an image from the QR Code instance
+            img = qr.make_image(fill_color="black", back_color="white")
+
+            # Convert the image to BytesIO for display and download
+            buffer = BytesIO()
+            img.save(buffer, format="PNG")
+            buffer.seek(0)
+
+            # Display the QR code
+            st.image(buffer, caption="Your QR Code", use_column_width=True)
+
+            # Provide a download button
+            st.download_button(
+                label="Download QR Code",
+                data=buffer,
+                file_name="qrcode.png",
+                mime="image/png"
+            )
+        else:
+            st.error("Please enter some text or URL to generate the QR Code.")
+
+elif option == "Upload a File":
+    uploaded_file = st.file_uploader("Upload a file to generate a QR Code link:", type=None)
+
+    if uploaded_file:
+        if st.button("Upload and Generate QR Code"):
+            # Upload file to File.io
+            response = requests.post(
+                "https://file.io/",
+                files={"file": uploaded_file}
+            )
+
+            if response.status_code == 200:
+                file_url = response.json().get("link", None)
+
+                if file_url:
+                    st.success("File uploaded successfully!")
+
+                    # Generate QR code for the file link
+                    qr = qrcode.QRCode(
+                        version=1,
+                        error_correction=qrcode.constants.ERROR_CORRECT_L,
+                        box_size=10,
+                        border=4,
+                    )
+                    qr.add_data(file_url)
+                    qr.make(fit=True)
+
+                    # Create an image from the QR Code instance
+                    img = qr.make_image(fill_color="black", back_color="white")
+
+                    # Convert the image to BytesIO for display and download
+                    buffer = BytesIO()
+                    img.save(buffer, format="PNG")
+                    buffer.seek(0)
+
+                    # Display the QR code
+                    st.image(buffer, caption="Your QR Code", use_column_width=True)
+
+                    # Provide a download button for the QR code
+                    st.download_button(
+                        label="Download QR Code",
+                        data=buffer,
+                        file_name="qrcode.png",
+                        mime="image/png"
+                    )
+
+                    # Display the file link
+                    st.markdown(f"[Click here to download your uploaded file]({file_url})")
+                else:
+                    st.error("Failed to retrieve file link from File.io.")
+            else:
+                st.error("File upload failed. Please try again.")

requirements.txt

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+streamlit
+qrcode[pil]
+Pillow