Duplicate from pcuenq/irc

Co-authored-by: Pedro Cuenca <[email protected]>

.gitattributes

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+*.7z filter=lfs diff=lfs merge=lfs -text
+*.arrow filter=lfs diff=lfs merge=lfs -text
+*.bin filter=lfs diff=lfs merge=lfs -text
+*.bin.* filter=lfs diff=lfs merge=lfs -text
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+*.h5 filter=lfs diff=lfs merge=lfs -text
+*.joblib filter=lfs diff=lfs merge=lfs -text
+*.lfs.* filter=lfs diff=lfs merge=lfs -text
+*.model filter=lfs diff=lfs merge=lfs -text
+*.msgpack filter=lfs diff=lfs merge=lfs -text
+*.onnx filter=lfs diff=lfs merge=lfs -text
+*.ot filter=lfs diff=lfs merge=lfs -text
+*.parquet filter=lfs diff=lfs merge=lfs -text
+*.pb filter=lfs diff=lfs merge=lfs -text
+*.pt filter=lfs diff=lfs merge=lfs -text
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+saved_model/**/* filter=lfs diff=lfs merge=lfs -text
+*.tar.* filter=lfs diff=lfs merge=lfs -text
+*.tflite filter=lfs diff=lfs merge=lfs -text
+*.tgz filter=lfs diff=lfs merge=lfs -text
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.gitignore

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+.env/
+data/
+.vscode/

README.md

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+---
+title: Persistent Chatroom
+emoji: 🐨
+colorFrom: pink
+colorTo: gray
+sdk: gradio
+sdk_version: 3.35.2
+app_file: app.py
+pinned: false
+duplicated_from: pcuenq/irc
+---
+
+# Configuration

app.py

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+import os
+import csv
+import gradio as gr
+import itertools
+import random
+from collections import deque
+
+DATA_FILENAME = "data.csv"
+DATA_FILE = os.path.join("/data", DATA_FILENAME)
+
+MAX_LINES = 20
+
+def generate_html(me: str) -> str:
+    try:
+        with open(DATA_FILE) as csvfile:
+            reader = csv.reader(csvfile)
+            rows = deque(reader, maxlen=MAX_LINES)
+            if len(rows) == 0:
+                return "no messages yet"
+            else:
+                html = "<div class='chatbot'>"
+                for row, _ in itertools.zip_longest(rows, range(MAX_LINES), fillvalue=("", "")):
+                    username = row[0]
+                    if username == me:
+                        msg_type = "own"
+                    elif username == "[chatbot]":
+                        msg_type = "admin"
+                    elif username == "":
+                        msg_type = "empty"
+                    else:
+                        msg_type = "other"
+                    html += "<div class='message'>"
+                    if msg_type != "admin":
+                        html += f"<span class='nick'>{row[0]}</span>"
+                    html += f"<span class='{msg_type}'>{row[1]}</span>"
+                    html += "</div>"
+                html += "</div>"
+                return html
+    except:
+        return "no messages yet"
+
+
+def refresh(state):
+    return generate_html(state["username"])
+
+def store_message(writer: str, message: str, me: str):
+    if writer and message:
+        with open(DATA_FILE, "a") as csvfile:
+            csv.writer(csvfile).writerow([writer, message])
+
+    return generate_html(me)
+
+anons = "alligator, anteater, armadillo, auroch, axolotl, badger, bat, bear, beaver, blobfish, buffalo, camel, chameleon, cheetah, chipmunk, chinchilla, chupacabra, cormorant, coyote, crow, dingo, dinosaur, dog, dolphin, dragon, duck, dumbo octopus, elephant, ferret, fox, frog, giraffe, goose, gopher, grizzly, hamster, hedgehog, hippo, hyena, jackal, jackalope, ibex, ifrit, iguana, kangaroo, kiwi, koala, kraken, lemur, leopard, liger, lion, llama, manatee, mink, monkey, moose, narwhal, nyan cat, orangutan, otter, panda, penguin, platypus, python, pumpkin, quagga, quokka, rabbit, raccoon, rhino, sheep, shrew, skunk, slow loris, squirrel, tiger, turtle, unicorn, walrus, wolf, wolverine, wombat"
+anons = anons.split(",")
+
+def login(username, state):
+    if username == "":
+        username = f"Anonymous {random.choice(anons).strip()}"
+    print(username)
+    state["username"] = username
+    store_message("[chatbot]", f"{username} joins the chat", username)
+    return (
+        state,
+        gr.update(visible=False),
+        gr.update(visible=True),
+        generate_html(username),
+    )
+
+def send_message(message, state):
+    username = state["username"]
+    if message != "":
+        store_message(username, message, me=username)
+    return (generate_html(username), "")
+
+css = """
+.message {height: 28px;}
+.nick {font-weight:bold;}
+.other {background-color:cornflowerblue;color:white; padding:4px;margin:4px;border-radius:4px; }
+.own {background-color:lime;color:white; padding:4px;margin:4px;border-radius:4px; }
+.admin {background-color:orange;color:black; padding:4px;margin:4px;border-radius:4px; }
+"""
+with gr.Blocks(css=css) as demo:
+    state = gr.Variable({
+        'username': None,
+    })
+
+    gr.Markdown(
+        """
+        <h1><center>Persistent Storage Chat</center></h1>
+        <p>This is a simple demo that implements a chatroom using persistent storage.</p>
+        """
+    )
+
+    with gr.Group():
+        with (login_box := gr.Row(equal_height=True)):
+            username = gr.Textbox(
+                label="What's your name?", show_label=True, max_lines=1
+            )
+            login_btn = gr.Button("Enter the chat")
+
+    with (chat_box := gr.Box(visible=False)):
+        with gr.Row():
+            output = gr.HTML(label="Chat")
+        with gr.Row():
+            message = gr.Textbox(
+                label="Your message", show_label=True, max_lines=1
+            )
+
+    username.submit(
+        login,
+        inputs=[username, state],
+        outputs=[state, login_box, chat_box, output],
+    )
+    login_btn.click(
+        fn=login,
+        inputs=[username, state],
+        outputs=[state, login_box, chat_box, output],
+    )
+
+    message.submit(
+        send_message,
+        inputs=[message, state],
+        outputs=[output, message],
+    )
+    demo.load(refresh, queue=True, inputs=[state], outputs=output, every=5)
+demo.queue().launch()