Create app.py

app.py

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+import streamlit as st
+import mailparser
+from email_reply_parser import EmailReplyParser
+
+# Function to extract the latest email message from raw email content
+def extract_latest_message(raw_email):
+    try:
+        # Parse the email using mail-parser
+        mail = mailparser.parse_from_string(raw_email)
+
+        # Extract the plain text body, fallback to HTML body if plain text is not available
+        body = mail.text_plain[0] if mail.text_plain else mail.body
+
+        # Use email-reply-parser to extract only the latest reply (remove quoted thread)
+        latest_reply = EmailReplyParser.parse_reply(body)
+
+        return latest_reply
+    except Exception as e:
+        return f"Error: {e}"
+
+# Streamlit app
+def main():
+    st.title("Email Latest Message Extractor")
+
+    st.write("""
+    This tool extracts the latest message from a raw MIME email and removes any quoted thread or previous messages.
+    Paste the raw email in MIME format in the text area below, and the tool will display the latest message.
+    """)
+
+    # Input field for the raw email content
+    raw_email = st.text_area("Paste the raw MIME email content here", height=300)
+
+    # Button to process the input
+    if st.button("Extract Latest Message"):
+        if raw_email.strip():
+            # Call the function to extract the latest message
+            latest_message = extract_latest_message(raw_email)
+            st.subheader("Extracted Latest Message:")
+            st.text_area("Latest Message", value=latest_message, height=200)
+        else:
+            st.warning("Please paste the raw MIME email content.")
+
+if __name__ == "__main__":
+    main()