create app.py

app.py

@@ -0,0 +1,42 @@
+import streamlit as st
+import requests
+import time
+import validators
+import pandas as pd
+
+MAX_RETRIES = 3
+
+def is_valid_youtube_url(url):
+    # проверяем, является ли URL допустимым URL YouTube
+    return validators.url(url) and ("youtube.com" in url or "youtu.be" in url)
+
+def make_request_put(url, query):
+    retries = 0
+    while retries < MAX_RETRIES:
+        try:
+            response = requests.post(url, data={"url_video": query})
+            response.raise_for_status()  # генерировать исключение, если ответ содержит ошибку
+            return response.json()
+        except (requests.exceptions.RequestException, requests.exceptions.HTTPError) as e:
+            time.sleep(5)  # подождать перед повторной попыткой
+            retries += 1
+    st.error("")
+    return None
+
+def color_negative_red(val):
+    color = 'red' if val == 'NEGATIVE' else 'grey' if val == 'NEUTRAL' else 'green'
+    return f'color: {color}'
+
+
+url = st.text_input("YouTube url...")
+clicked = st.button("")
+
+if clicked and is_valid_youtube_url(url):
+
+    data = make_request_put("https://macrdel-sentiment-summarize-youtube-comms.hf.space/comments", url)
+    if data:
+        data = pd.DataFrame(data)
+        st.write(data.style.applymap(color_negative_red, subset=['sentiment']))
+
+else:
+    st.error("error url")