app.py

import streamlit as st
import pandas as pd
import json
import plotly.graph_objects as go
from plotly.subplots import make_subplots

# Set page config
st.set_page_config(layout="wide", page_title="Macrocosmos HF Dataset Explorer", page_icon="🌌")

# Custom CSS (keep existing styles)
st.markdown("""
<style>
    .stApp {
        max-width: 1200px;
        margin: 0 auto;
        font-family: 'Helvetica Neue', Arial, sans-serif;
    }
    .cta-container {
        background-color: #f0f8ff;
        border-radius: 10px;
        padding: 20px;
        margin-top: 30px;
        margin-bottom: 30px;
        border: 2px solid #1e90ff;
        text-align: center;
    }
    .cta-title {
        color: #1e90ff;
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 10px;
    }
    .cta-description {
        color: #333;
        font-size: 16px;
        margin-bottom: 20px;
    }
    .stButton > button {
        background-color: #1e90ff;
        color: white;
        font-size: 18px;
        font-weight: bold;
        padding: 10px 24px;
        border-radius: 5px;
        border: none;
        transition: all 0.3s ease;
    }
    .stButton > button:hover {
        background-color: #0066cc;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }
</style>
""", unsafe_allow_html=True)

# Title and description
st.title("🌌 Macrocosmos HF Dataset Explorer")
st.markdown("Explore massive datasets hosted on Hugging Face, totaling approximately 100GB of data.")

# Function to load dataset information
@st.cache_data
def load_datasets():
    return [
        # Reddit datasets
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/PlanAPlanB/reddit_dataset_69", "Number of rows": "6 MLN"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/mgrtsv/reddit_dataset_229", "Number of rows": "44,815,182"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/wenknow/reddit_dataset_88", "Number of rows": "253,506,882"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/PlanAPlanB/reddit_dataset_218", "Number of rows": "562,042"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/PlanAPlanB/reddit_dataset_13", "Number of rows": "18,931,749"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/chris241/reddit_dataset_219", "Number of rows": "227,599,340"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/icedwind/reddit_dataset_112", "Number of rows": "301,588,714"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/dataverse-scraping/reddit_dataset_71", "Number of rows": "259,924,884"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/wenknow/reddit_dataset_209", "Number of rows": "209,698,975"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/arrmlet/reddit_dataset_218", "Number of rows": "7,064,613"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/dataverse-scraping/reddit_dataset_192", "Number of rows": "249 MLN"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/icedwind/reddit_dataset_226", "Number of rows": "303 MLN"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/arrmlet/reddit_dataset_123", "Number of rows": "1.12 MLN"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/chris241/reddit_dataset_75", "Number of rows": "132 MLN"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/wenknow/reddit_dataset_242", "Number of rows": "130 MLN"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/mgrtsv/reddit_dataset_231", "Number of rows": "31.2 MLN"},
        {"Source": "Reddit", "DataSet repo link": "https://huggingface.co/datasets/PlanAPlanB/reddit_dataset_9", "Number of rows": "26.9 MLN"},
        
        # X datasets
        {"Source": "X", "DataSet repo link": "https://huggingface.co/datasets/littleGuagua/x_dataset_0", "Number of rows": "331,611,777"},
        {"Source": "X", "DataSet repo link": "https://huggingface.co/datasets/suul999922/x_dataset_71", "Number of rows": "8,998,828"},
        {"Source": "X", "DataSet repo link": "https://huggingface.co/datasets/thayallans/x_dataset_28", "Number of rows": "178,669"},
        {"Source": "X", "DataSet repo link": "https://huggingface.co/datasets/apidojo/x_dataset_242", "Number of rows": "499,067"},
        {"Source": "X", "DataSet repo link": "https://huggingface.co/datasets/icedwind/x_dataset_112", "Number of rows": "331,500,777"},
        {"Source": "X", "DataSet repo link": "https://huggingface.co/datasets/arrmlet/x_dataset_218", "Number of rows": "1,753,878"},
        {"Source": "X", "DataSet repo link": "https://huggingface.co/datasets/SAVE0x0/x_dataset_191", "Number of rows": "92,588"},
        {"Source": "X", "DataSet repo link": "https://huggingface.co/datasets/johnny8188/x_dataset_187", "Number of rows": "52,762"},
        {"Source": "X", "DataSet repo link": "https://huggingface.co/datasets/icedwind/x_dataset_19", "Number of rows": "332 MLN"},
        {"Source": "X", "DataSet repo link": "https://huggingface.co/datasets/wenknow/x_dataset", "Number of rows": "9.9 K"},
        {"Source": "X", "DataSet repo link": "https://huggingface.co/datasets/arrmlet/reddit_dataset_123", "Number of rows": "89 K"}
    ]

# Load datasets
datasets = load_datasets()
df = pd.DataFrame(datasets)

# Display statistics
col1, col2, col3 = st.columns(3)
with col1:
    total_rows = sum(float(str(rows).split()[0].replace(',', '')) for rows in df['Number of rows'])
    st.metric("Total Rows", f"{total_rows / 1000:.2f}B")
with col2:
    st.metric("Total Datasets", len(df))

# Display the dataset table
st.subheader("Dataset Overview")
st.dataframe(
    df,
    column_config={
        "Source": st.column_config.TextColumn("Source"),
        "DataSet repo link": st.column_config.LinkColumn("Repository"),
        "Number of rows": st.column_config.TextColumn("Rows"),
    },
    hide_index=True,
    use_container_width=True
)

# Call-to-action section with styled button
st.markdown("""
<div class="cta-container">
    <div class="cta-title">🔍 Explore Dataset Insights</div>
    <div class="cta-description">
        Dive deep into the rich analytics of our dataset. Uncover trends, distributions, and key metrics that will enhance your understanding and guide your research.
    </div>
</div>
""", unsafe_allow_html=True)

# Centered button
col1, col2, col3 = st.columns([1,2,1])
with col2:
    show_analysis = st.button("Reveal Dataset Analysis", use_container_width=True)

# Display dataset analysis if the button was clicked
if show_analysis:
    # Load analysis results
    @st.cache_data
    def load_analysis_results():
        with open('analysis_results.json', 'r') as f:
            return json.load(f)

    analysis_results = load_analysis_results()

    st.subheader("Analysis of a Sample Reddit Dataset")
    st.write("This analysis is based on a sample from one of the Reddit datasets.")

    # Display Dataset Structure
    st.subheader("Dataset Structure")
    structure = analysis_results['structure']
    col1, col2, col3, col4 = st.columns(4)
    col1.metric("Total Partitions", structure['total_partitions'])
    col2.metric("Total Rows", f"{structure['total_rows']:,}")
    col3.metric("Number of Columns", len(structure['columns']))
    col4.metric("Date Range", f"{structure['date_range'][0]} to {structure['date_range'][1]}")

    with st.expander("Show Columns"):
        st.write(", ".join(structure['columns']))

    # Display Top Communities
    st.subheader("Top Communities")
    communities_df = pd.DataFrame(analysis_results['communities'])
    fig = go.Figure(data=[go.Bar(
        x=communities_df['communityName'],
        y=communities_df['count'],
        text=communities_df['percentage'].apply(lambda x: f'{x:.2%}'),
        textposition='auto',
        marker_color='#1e88e5'
    )])
    fig.update_layout(title_text='Top Communities Distribution')
    fig.update_traces(marker_line_color='rgb(8,48,107)', marker_line_width=1.5, opacity=0.6)
    st.plotly_chart(fig, use_container_width=True)

    # Display Time Distribution
    st.subheader("Time Distribution")
    time_df = pd.DataFrame(analysis_results['time_distribution'])
    time_df['date'] = pd.to_datetime(time_df['date'])
    fig = go.Figure(data=[go.Scatter(x=time_df['date'], y=time_df['count'], mode='lines+markers')])
    fig.update_layout(title_text='Posts Over Time')
    st.plotly_chart(fig, use_container_width=True)

    # Display Sentiment Distribution
    st.subheader("Sentiment Distribution")
    sentiment_df = pd.DataFrame(analysis_results['sentiment_distribution'])
    fig = go.Figure(data=[go.Pie(labels=sentiment_df['sentiment'], values=sentiment_df['count'], textinfo='percent+label')])
    fig.update_layout(title_text='Sentiment Distribution')
    fig.update_traces(marker=dict(colors=['#4CAF50', '#FFC107', '#F44336']))
    st.plotly_chart(fig, use_container_width=True)

    # Display Data Type Distribution
    st.subheader("Data Type Distribution")
    data_type_df = pd.DataFrame(analysis_results['data_type_distribution'])
    fig = go.Figure(data=[go.Pie(labels=data_type_df['dataType'], values=data_type_df['count'], textinfo='percent+label')])
    fig.update_layout(title_text='Data Type Distribution')
    fig.update_traces(marker=dict(colors=['#2196F3', '#FF9800']))
    st.plotly_chart(fig, use_container_width=True)

    # Display Top Topics
    st.subheader("Top Topics")
    topics_df = pd.DataFrame(analysis_results['top_topics'])
    st.dataframe(topics_df, use_container_width=True)

    # Display Average Text Length
    st.metric("Average Text Length", f"{analysis_results['avg_text_length']:.2f} characters")

# Add instructions for using the datasets
st.subheader("How to Use These Datasets")
code = '''
from datasets import load_dataset

dataset = load_dataset("username/dataset_name")
'''
st.code(code, language='python')

st.markdown("""
1. Click on the dataset link to visit its Hugging Face page.
2. On the dataset page, you'll find information about the dataset's content, structure, and usage.
3. Use the code above to load a dataset, replacing `"username/dataset_name"` with the actual dataset identifier.
4. For these large datasets, consider using streaming or loading specific subsets to manage memory usage.
5. Always check the dataset's license and usage restrictions before incorporating it into your project.
""")

# Footer
st.markdown("---")
st.markdown("Created by Macrocosmos with ❤️")