Create app.py

app.py

@@ -0,0 +1,57 @@
+import streamlit as st
+import pandas as pd
+
+hide_streamlit_style = """
+            <style>
+            #MainMenu {visibility: hidden;}
+            footer {visibility: hidden;}
+            </style>
+            """
+st.markdown(hide_streamlit_style, unsafe_allow_html=True) 
+
+st.set_page_config(
+     page_title="File Checker",
+     page_icon="🥥",
+     layout="wide"
+)
+st.title('🥥 File Checker')
+
+st.subheader('Put your file here...')
+
+def reset_data():
+     st.cache_data.clear()
+
+#===check filetype===
+@st.cache_data(ttl=3600)
+def get_ext(extype):
+    extype = uploaded_file.name
+    return extype
+     
+#===upload===
+@st.cache_data(ttl=3600)
+def upload(extype):
+    keywords = pd.read_csv(uploaded_file)
+    return keywords
+
+@st.cache_data(ttl=3600)
+def conv_txt(extype):
+    col_dict = {'TI': 'Title',
+            'SO': 'Source title',
+            'DE': 'Author Keywords',
+            'ID': 'Keywords Plus'}
+    keywords = pd.read_csv(uploaded_file, sep='\t', lineterminator='\r')
+    keywords.rename(columns=col_dict, inplace=True)
+    return keywords
+
+#===read data===
+uploaded_file = st.file_uploader("Choose your a file", type=['csv','txt'], on_change=reset_data)
+
+if uploaded_file is not None:
+    extype = get_ext(uploaded_file)
+    if extype.endswith('.csv'):
+        data = upload(extype) 
+                  
+    elif extype.endswith('.txt'):
+        data = conv_txt(extype)
+
+    edited_df = st.data_editor(data)