Create app.py

app.py

@@ -0,0 +1,87 @@
+import streamlit as st
+import os
+import base64
+from requests import post, get
+import json
+
+# set up
+client_id = os.environ["CLIENT_ID"]
+client_secret = os.environ["CLIENT_SECRET"]
+
+# load_dotenv()
+# client_id = os.getenv("CLIENT_ID")
+# client_secret = os.getenv("CLIENT_SECRET")
+
+def get_token():
+    auth_string = client_id + ":" + client_secret
+    auth_bytes = auth_string.encode("utf-8")
+    auth_base64 = str(base64.b64encode(auth_bytes), "utf-8")
+    
+    url = "https://accounts.spotify.com/api/token"
+    headers = {
+        "Authorization": "Basic " + auth_base64,
+        "Content-Type": "application/x-www-form-urlencoded"
+    }
+    data = {"grant_type": "client_credentials"}
+    result = post(url, headers=headers, data=data)
+    json_result = json.loads(result.content)
+    token = json_result['access_token']
+    return token
+
+def get_auth_header(token):
+    return {"Authorization": "Bearer " + token}
+
+
+def search_for_song(token, song, artist):
+    url = "https://api.spotify.com/v1/search"
+    headers = get_auth_header(token)
+    query = f"?q=artist:{artist} track:{song}&type=track&limit=1"
+    
+    query_url = url + query
+    result = get(query_url, headers = headers)
+    json_result = json.loads(result.content)["tracks"]["items"]
+    if len(json_result) == 0:
+        print("No result...")
+        return None
+    return json_result[0]
+
+def get_song_characteristics(token, track_id):
+    url = f"https://api.spotify.com/v1/audio-features/{track_id}"
+    headers = get_auth_header(token)
+    result = get(url=url, headers=headers)
+    json_result = json.loads(result.content)
+    return json_result
+
+
+st.title(':blue[Spotify Song Characteristics]')
+
+if 'token' not in st.session_state: st.session_state['token'] = get_token()
+if 'song_id' not in st.session_state: st.session_state['song_id'] = []
+
+input_container = st.container()
+with input_container:
+    with st.form(key = 'my_form', clear_on_submit = True):
+            song_name = st.text_input("Enter song name", key = "song_name")
+            artist_name = st.text_input("Enter artist name", key = "artist_name")
+            submit_button = st.form_submit_button(label = 'search')
+
+if submit_button and song_name and artist_name:
+    song_search = search_for_song(token = st.session_state['token'],
+                                  song = song_name,
+                                  artist = artist_name)
+    if song_search is not None:
+        song_id = song_search["id"]
+        st.session_state['song_id'].append(song_id)
+        st.markdown(f"Retreived song ID is {song_id}")
+        st.markdown(f"Retreived song name is {song_search['name']}")
+        song_characteristics = get_song_characteristics(token = st.session_state['token'],
+                                                        track_id = song_id)
+        
+        characteristics = ""
+        for i, item in enumerate(song_characteristics):
+            characteristics += f"{i + 1}. {item} : {song_characteristics[item]}\n"
+        st.markdown(f"Here are the song characteristics:\n{characteristics}")
+        uri = song_characteristics['uri'].split(":")[2]
+        st.markdown(f"Review song at https://open.spotify.com/track/{uri}")
+    else:
+        st.markdown(f"API did not find a result.")