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"""File upload and preview page"""
import streamlit as st
from components import render_sidebar, display_data_preview
from utils import client
st.set_page_config(page_title="Upload Data", page_icon="📁")
render_sidebar()
st.title("📁 Upload & Preview Data")
st.subheader("Upload File")
uploaded_file = st.file_uploader(
"Choose a file (CSV or Excel)",
type=["csv", "xlsx", "xls"],
help="Upload your data file for analysis"
)
if uploaded_file:
with st.spinner("📤 Uploading file..."):
file_bytes = uploaded_file.read()
result = client.upload_file(file_bytes, uploaded_file.name)
if "error" in result:
st.error(f"Upload failed: {result['error']}")
else:
st.success(f"✅ File uploaded: {result['filename']}")
# Store data in session state
st.session_state.uploaded_data = result.get("preview", [])
st.session_state.all_columns = result.get("column_names", [])
# Display file info
col1, col2, col3 = st.columns(3)
with col1:
st.metric("Rows", result.get("rows", 0))
with col2:
st.metric("Columns", result.get("columns", 0))
with col3:
st.metric("File Type", result.get("file_type", "unknown").upper())
st.divider()
# Display preview
display_data_preview(result.get("preview", []), result.get("column_names", []))
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