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import streamlit as st |
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import qrcode |
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from qrcode.image.pil import PilImage |
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from PIL import Image |
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import io |
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import base64 |
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from urllib.parse import urlparse |
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def get_image_as_base64(image: Image): |
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buffer = io.BytesIO() |
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image.save(buffer, format="PNG") |
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image_base64 = base64.b64encode(buffer.getvalue()).decode('utf-8') |
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return image_base64 |
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def get_url_filename(url): |
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parsed_uri = urlparse(url) |
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domain = '{uri.netloc}'.format(uri=parsed_uri) |
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main_domain = domain.split('.') |
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main_domain = main_domain[1] if main_domain[0] == 'www' else main_domain[0] |
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path = parsed_uri.path.strip('/').replace('/', '_') |
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return f"{main_domain}_{path}" if path else main_domain |
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st.title("Bulk QR Code Generator") |
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st.write("This is a simple Streamlit web app for generating QR codes based on user input. You can choose between generating a QR code for a URL or plain text with the ability to generate multiple URLs at once.") |
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qr_content_options = ["URL", "Text"] |
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qr_content_type = st.selectbox("Select QR content type", qr_content_options) |
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if qr_content_type == "Contact Information": |
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first_name = st.text_input("First Name") |
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last_name = st.text_input("Last Name") |
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phone = st.text_input("Phone Number") |
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email = st.text_input("Email Address") |
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content = f"BEGIN:VCARD\nVERSION:3.0\nN:{last_name};{first_name}\nFN:{first_name} {last_name}\nTEL;TYPE=CELL:{phone}\nEMAIL:{email}\nEND:VCARD" |
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else: |
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content = st.text_area("Enter your content (one per line for multiple QR codes)", height=150) |
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if st.button("Generate QR Code"): |
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if content: |
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contents = content.split("\n") |
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for i, c in enumerate(contents): |
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if c.strip(): |
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qr = qrcode.QRCode( |
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version=1, |
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error_correction=qrcode.constants.ERROR_CORRECT_H, |
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box_size=10, |
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border=4 |
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) |
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qr.add_data(c) |
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qr.make(fit=True) |
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img = qr.make_image(fill_color="black", back_color="white", image_factory=PilImage) |
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buffer = io.BytesIO() |
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img.save(buffer, format="PNG") |
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img_bytes = buffer.getvalue() |
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img_base64 = get_image_as_base64(img) |
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st.markdown(f"##### {c}") |
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st.image(img_bytes, caption=f"QR code for {c}", use_column_width=True) |
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file_name = get_url_filename(c) if qr_content_type == "URL" else f"QR_{i}" |
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st.markdown(f'<a href="data:image/png;base64,{img_base64}" download="{file_name}.png" style="display:inline-block;background-color:#4CAF50;border:none;color:white;padding:8px 16px;text-align:center;text-decoration:none;font-size:16px;margin:4px 2px;cursor:pointer;">Download QR code</a>', unsafe_allow_html=True) |
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else: |
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st.error("Please enter content for the QR code.") |
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