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import gradio as gr
import pandas as pd
from datasets import load_dataset
from huggingface_hub import login
import os
import logging
import re
# Setup logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
# Authenticate with Hugging Face
HF_TOKEN = os.environ.get("HF_TOKEN")
if HF_TOKEN:
login(token=HF_TOKEN)
logger.info("✅ Authenticated with Hugging Face")
else:
logger.warning("⚠️ HF_TOKEN not found - running without authentication")
# Dataset name
DATASET_NAME = "ysharma/gradio-hackathon-registrations-winter-2025"
# Cache for dataset to avoid repeated loading
_cached_df = None
_cache_timestamp = None
def load_registration_data(force_refresh=False):
"""Load dataset with simple caching"""
global _cached_df, _cache_timestamp
import time
# Refresh cache every 5 minutes
if not force_refresh and _cached_df is not None and _cache_timestamp:
if time.time() - _cache_timestamp < 300:
return _cached_df
try:
dataset = load_dataset(DATASET_NAME, split="train")
_cached_df = dataset.to_pandas()
_cache_timestamp = time.time()
logger.info(f"Loaded dataset with {len(_cached_df)} registrations")
return _cached_df
except Exception as e:
logger.error(f"Failed to load dataset: {e}")
return None
def verify_email(email):
"""
Verify if an email is registered in the hackathon
Returns simple confirmation without exposing other user details
"""
try:
# Validate input
if not email or not email.strip():
return "❌ Please enter an email address"
email = email.strip().lower()
# Basic email format validation
email_pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
if not re.match(email_pattern, email):
return "❌ Please enter a valid email address format"
logger.info(f"Verification attempt for email: {email}")
# Load dataset
df = load_registration_data()
if df is None:
return "❌ Unable to verify at this time. Please try again later."
# Check if email exists
match = df[df['email'].str.lower() == email]
if len(match) > 0:
registration = match.iloc[0]
# Parse timestamp for registration date
try:
timestamp = pd.to_datetime(registration['timestamp'])
reg_date = timestamp.strftime("%B %d, %Y")
except:
reg_date = "N/A"
return f"""## ✅ Email Verified!
This email is registered for **MCP's 1st Birthday Hackathon**.
- **Registered On:** {reg_date}
- **HF Username:** {registration['hf_username']}
If this is you, you're all set! 🎉"""
else:
return """## ❌ Email Not Found
This email is not registered for the hackathon.
**Want to participate?**
Register at: [MCP Birthday Registration](https://huggingface.co/spaces/MCP-1st-Birthday/gradio-hackathon-registration-winter25)"""
except Exception as e:
logger.error(f"Error during verification: {e}")
return f"❌ An error occurred: {str(e)}"
def bulk_verify_emails(emails_text):
"""
Verify multiple emails at once (comma or newline separated)
Useful for sponsors to verify lists
"""
if not emails_text or not emails_text.strip():
return "❌ Please enter at least one email address"
# Parse emails (support comma, semicolon, newline, space separation)
emails = re.split(r'[,;\n\s]+', emails_text.strip())
emails = [e.strip().lower() for e in emails if e.strip()]
if not emails:
return "❌ No valid emails found in input"
if len(emails) > 100:
return "❌ Please limit to 100 emails at a time"
# Load dataset
df = load_registration_data()
if df is None:
return "❌ Unable to verify at this time. Please try again later."
registered_emails = set(df['email'].str.lower())
verified = []
not_found = []
for email in emails:
if email in registered_emails:
verified.append(email)
else:
not_found.append(email)
result = f"""## Bulk Verification Results
**Total Checked:** {len(emails)}
**✅ Registered:** {len(verified)}
**❌ Not Found:** {len(not_found)}
---
"""
if verified:
result += "### ✅ Registered Emails\n"
result += "\n".join([f"- {e}" for e in verified])
result += "\n\n"
if not_found:
result += "### ❌ Not Found\n"
result += "\n".join([f"- {e}" for e in not_found])
return result
# Custom CSS
custom_css = """
.gradio-container {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}
#verify-btn {
background: #C8DDD7 !important;
border: 2px solid #000000 !important;
color: #000000 !important;
font-weight: 600 !important;
font-size: 18px !important;
padding: 16px 32px !important;
border-radius: 12px !important;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
transition: all 0.3s ease !important;
}
#verify-btn:hover {
transform: translateY(-2px) !important;
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25) !important;
background: #B8CEC7 !important;
}
#bulk-btn {
background: #000000 !important;
border: 2px solid #C8DDD7 !important;
color: #C8DDD7 !important;
font-weight: 600 !important;
font-size: 16px !important;
padding: 12px 24px !important;
border-radius: 8px !important;
transition: all 0.3s ease !important;
}
#bulk-btn:hover {
transform: translateY(-2px) !important;
background: #1a1a1a !important;
}
"""
# Create the Gradio interface
with gr.Blocks(title="MCP Birthday - Email Verification", css=custom_css, theme="ocean") as demo:
gr.Markdown("""
# 📧 MCP's 1st Birthday - Email Verification
**📅 Event Dates:** November 14-30, 2025
Quickly verify if an email is registered for the hackathon.
""")
gr.Markdown("---")
with gr.Tabs():
# Single Email Tab
with gr.Tab("🔍 Single Email"):
with gr.Row():
with gr.Column():
email_input = gr.Textbox(
label="Email Address",
placeholder="Enter email to verify",
max_lines=1
)
verify_btn = gr.Button("🔍 Verify Email", variant="primary", size="lg", elem_id="verify-btn")
with gr.Column():
gr.Markdown("""
### Quick Verification
Enter an email address to check if it's registered for the MCP Birthday Hackathon.
This is useful for:
- Verifying your own registration
- Sponsors confirming participant eligibility
- Quick status checks
""")
single_output = gr.Markdown()
verify_btn.click(
fn=verify_email,
inputs=[email_input],
outputs=single_output
)
# Also trigger on Enter key
email_input.submit(
fn=verify_email,
inputs=[email_input],
outputs=single_output
)
# Bulk Verification Tab
with gr.Tab("📋 Bulk Verify"):
gr.Markdown("""
### Bulk Email Verification
Verify multiple emails at once. Enter emails separated by commas, semicolons, or new lines.
**Limit:** 100 emails per request
""")
bulk_input = gr.Textbox(
label="Email List",
placeholder="[email protected], [email protected]\[email protected]",
lines=5
)
bulk_btn = gr.Button("📋 Verify All Emails", variant="primary", size="lg", elem_id="bulk-btn")
bulk_output = gr.Markdown()
bulk_btn.click(
fn=bulk_verify_emails,
inputs=[bulk_input],
outputs=bulk_output
)
# Footer
gr.Markdown("""
---
**🔗 Quick Links:**
[Register for Hackathon](https://huggingface.co/spaces/MCP-1st-Birthday/gradio-hackathon-registration-winter25) | [Discord Community](https://discord.gg/92sEPT2Zhv) | [Hackathon Details](https://huggingface.co/MCP-1st-Birthday)
""")
if __name__ == "__main__":
demo.launch() |