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Create app.py
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import gradio as gr
import pandas as pd
import numpy as np
from typing import List, Dict, Any, Tuple, Optional
def create_cluster_browser_app():
"""
Create a simple Gradio app for browsing prompts by cluster from uploaded CSV file.
"""
def load_and_validate_csv(file) -> Tuple[Optional[pd.DataFrame], str, List[str], str]:
"""
Load and validate the uploaded CSV file.
Args:
file: Uploaded file object from Gradio
Returns:
Tuple of (dataframe, status_message, cluster_options, cluster_stats)
"""
if file is None:
return None, "Please upload a CSV file with 'prompt' and 'cluster' columns.", ["(No data loaded)"], ""
try:
df = pd.read_csv(file.name)
# Validate required columns
required_cols = ['prompt', 'cluster']
missing_cols = [col for col in required_cols if col not in df.columns]
if missing_cols:
return None, f"Missing required columns: {missing_cols}. Please ensure your CSV has 'prompt' and 'cluster' columns.", ["(No data loaded)"], ""
# Validate data types
if not pd.api.types.is_numeric_dtype(df['cluster']):
return None, "The 'cluster' column must contain numeric values.", ["(No data loaded)"], ""
# Get cluster options
unique_clusters = sorted(df['cluster'].unique())
cluster_options = ["(All Clusters)"] + [f"Cluster {c}" for c in unique_clusters]
# Get cluster statistics
stats = []
for cluster_num in unique_clusters:
count = len(df[df['cluster'] == cluster_num])
stats.append(f"Cluster {cluster_num}: {count} prompts")
total_prompts = len(df)
stats_text = f"**Total Prompts:** {total_prompts}\n\n**Cluster Distribution:**\n" + "\n".join(stats)
return df, f"✅ Successfully loaded {len(df)} prompts with {len(unique_clusters)} clusters.", cluster_options, stats_text
except Exception as e:
return None, f"Error loading CSV file: {str(e)}", ["(No data loaded)"], ""
def filter_by_cluster(df: pd.DataFrame, cluster_sel: str) -> pd.DataFrame:
"""Filter dataframe by selected cluster."""
if df is None or cluster_sel == "(All Clusters)" or cluster_sel == "(No data loaded)":
return df if df is not None else pd.DataFrame()
cluster_num = int(cluster_sel.split()[-1]) # Extract number from "Cluster X"
return df[df['cluster'] == cluster_num].reset_index(drop=True)
def format_prompt_cell(prompt_text: str) -> str:
"""Format a single prompt in its own cell."""
return f"""
<div style="
background: #f8f9fa;
border: 1px solid #e9ecef;
border-radius: 8px;
padding: 16px;
margin: 8px 0;
box-shadow: 0 1px 3px rgba(0,0,0,0.1);
">
<div style="font-size: 14px; line-height: 1.5; color: #333;">
{prompt_text}
</div>
</div>
"""
def format_prompts(df: pd.DataFrame) -> str:
"""Format all prompts in the dataframe as individual cells."""
if df is None or len(df) == 0:
return "No prompts to display."
formatted_prompts = []
for idx, row in df.iterrows():
prompt_text = str(row['prompt']).strip()
formatted_prompts.append(format_prompt_cell(prompt_text))
return "\n".join(formatted_prompts)
def on_file_upload(file):
"""Handle file upload and validation."""
df, status_msg, cluster_options, cluster_stats = load_and_validate_csv(file)
if df is not None:
# Show all prompts initially
prompts_html = format_prompts(df)
return df, status_msg, gr.Dropdown(choices=cluster_options, value="(All Clusters)", interactive=True), prompts_html, cluster_stats
else:
return None, status_msg, gr.Dropdown(choices=cluster_options, value="(No data loaded)", interactive=False), "No data loaded.", ""
def on_cluster_change(df, cluster_sel):
"""Handle cluster selection change."""
if df is None:
return "No data loaded."
filtered_df = filter_by_cluster(df, cluster_sel)
return format_prompts(filtered_df)
# Create the Gradio interface
with gr.Blocks(theme=gr.themes.Soft(primary_hue="blue")) as demo:
gr.Markdown("# Prompt Cluster Browser")
# Store the loaded dataframe
df_state = gr.State(None)
with gr.Row():
# Sidebar
with gr.Column(scale=1):
# File upload section
file_upload = gr.File(
label="Upload Clustered Prompts CSV",
file_types=[".csv"],
file_count="single"
)
# Status
status_md = gr.Markdown("Please upload a CSV file to get started.")
# Cluster statistics
stats_md = gr.Markdown("")
# Cluster selection
cluster_dropdown = gr.Dropdown(
["(No data loaded)"],
label="Select Cluster",
value="(No data loaded)",
interactive=False
)
# Main content area
with gr.Column(scale=3):
prompts_html = gr.HTML("Upload a CSV file to browse clusters")
# Connect event handlers
file_upload.change(
on_file_upload,
[file_upload],
[df_state, status_md, cluster_dropdown, prompts_html, stats_md]
)
cluster_dropdown.change(
on_cluster_change,
[df_state, cluster_dropdown],
[prompts_html]
)
return demo
def launch_cluster_browser():
"""
Launch the cluster browser app.
"""
app = create_cluster_browser_app()
app.launch()
if __name__ == "__main__":
launch_cluster_browser()