Create app.py

app.py

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+import gradio as gr
+import numpy as np
+import re
+
+
+dummy_data = [["Alice", "Springs"], ["Max", "Brown"]]
+
+def fetch_data():
+    """Fetch data from the data store. 
+    In this case it's just an array.
+    NOTE: This should happen at page load."""
+    return dummy_data
+
+def create_item(name, surname):
+    """Create an item in the data store"""
+    dummy_data.append([name, surname])
+    return dummy_data
+
+def update_item(out):
+    """Update an item in the data store"""
+    dummy_data.clear()
+    for item in out.values.tolist():
+        dummy_data.append(item)
+    # handle the empty element dataframe returns
+    if dummy_data[-1] == ["", ""]:
+        dummy_data.pop(-1)
+    return dummy_data
+
+def delete_item(name, surname):
+    """Delete an item from the data store"""
+    if [name, surname] in dummy_data:
+        dummy_data.remove([name, surname])
+    return dummy_data
+
+def filter_with_prefix(prefix):
+    """Return all the item whoes surnames starting with prefix
+    else return an empty list"""
+    filtered_data = []
+    for idx, lst in enumerate(dummy_data):
+        if re.search(f"^{prefix}", lst[1], re.IGNORECASE):
+            filtered_data.append(dummy_data[idx])
+    return filtered_data
+
+with gr.Blocks() as demo:
+    gr.Markdown("Built by: {}".format(@kysmatter))
+    out = gr.Dataframe(
+            headers=["Name", "Surname"],
+            datatype=["str", "str"],
+            col_count=(2, "fixed"),
+        )
+
+    demo.load(fetch_data, None, out)
+    
+    filter_prefix = gr.Text(label="Filter prefix")
+    with gr.Row():
+        with gr.Column():
+            name = gr.Text(label="Name")
+            surname = gr.Text(label="Surname")
+    with gr.Row():
+        create_btn = gr.Button("Create")
+        update_btn = gr.Button("Update")
+        delete_btn = gr.Button("Delete")
+    
+    create_btn.click(create_item, [name, surname], out)
+    update_btn.click(update_item, out, out)
+    delete_btn.click(delete_item, [name, surname], out)
+    filter_prefix.change(filter_with_prefix, filter_prefix, out)
+
+if __name__ == "__main__":
+    demo.launch()