Sample Python automation Script

#!/usr/bin/env python3
import requests
import os
import sys
from reports import *
from emails import *

directory = "/home/student-01-c6082487d47f/supplier-data/descriptions/"



def files_to_go(directory):
    ret = []
    files = None
    for dirpath, dirname, files_ in os.walk(directory):
        files = files_
    if files is None:
        return None
    for file in files:
        f, e = os.path.splitext(file)
        if "txt" in e.lower():
            ret.append(directory + file)
    return ret


if __name__ == '__main__':
    files = files_to_go(directory)
    if not files:
        print("Error.")
        sys.exit(1)

    out_data = []
    out_data_pdf = []

    for file in files:
        # print(file)
        with open(file, "r") as opened:
            data = opened.readlines()
            # print(data)
            f, e = os.path.basename(file).split(".")
            name = data[0].strip()
            weight = data[1].strip()
            out_data_pdf.append(["name: "+name,"weight: "+weight])
            out_data.append("name: "+name+"\n"+"weight: "+weight+"\n\n")


    pdf_file = generate_report(out_data_pdf)
    email_header = {
        "From": "[email protected]",
        "To": "[email protected]",
        "Subject": "Upload Completed - Online Fruit Store",
    }
    email_body = {
        "Body": "All fruits are uploaded to our website successfully. A detailed list is attached to this email.",
        "Attachment": pdf_file,
    }

    msg = generate_mail(email_header, email_body)
    send_email(msg)