Test UploadButton

app.py

@@ -1,5 +1,7 @@
 from typing import Dict
 from pathlib import Path
+import pandas as pd
+from io import StringIO
 
 import gradio as gr
 
@@ -15,21 +17,20 @@ title = "This is title."
 description = "This is description."
 article = "This is article."
 
-def upload_file(filepath):
-    name = Path(filepath).name
-    return [gr.UploadButton(visible=False), gr.DownloadButton(label=f"Download {name}", value=filepath, visible=True)]
+default_csv = "Phase,Activity,Start date,End date\n\"Mapping the Field\",\"Literature review\",2024-01-01,2024-01-31"
 
-def download_file():
-    return [gr.UploadButton(visible=True), gr.DownloadButton(visible=False)]
+def process_csv_text(temp_file):
+    if isinstance(temp_file, str):
+      df = pd.read_csv(StringIO(temp_file), parse_dates=["Start date", "End date"])
+    else:
+      df = pd.read_csv(temp_file.name, parse_dates=["Start date", "End date"])
+    print(df)
+    return df
 
 with gr.Blocks() as demo:
-    gr.Markdown("First upload a file and and then you'll be able download it (but only once!)")
-    with gr.Row():
-        u = gr.UploadButton("Upload a file", file_count="single")
-        d = gr.DownloadButton("Download the file", visible=False)
+    upload_button = gr.UploadButton(label="Upload Timetable", file_types = ['.csv'], live=True, file_count = "single")    
+    table = gr.Dataframe(headers=["Phase", "Activity", "Start date", "End date"], type="pandas", col_count=4, value=process_csv_text(default_csv))
+    image = gr.Plot()
+    upload_button.upload(fn=process_csv_text, inputs=upload_button, outputs=table, api_name="upload_csv")
 
-    u.upload(upload_file, u, [u, d])
-    d.click(download_file, None, [u, d])
-
-demo.launch(debug=False,
-           share=True)
+demo.launch(debug=True)