notes.py

#!/usr/bin/env python3
"""Bloco de notas

$ notes.py new "Minha Nota"
tag: tech
text: 
Anotação 01 em tecnologia

$ notes.py read --tag=tech
...
"""
__version__ = "0.1.0"

import os
import sys

cmds = ("read", "new")
path = os.curdir
filepath = os.path.join(path, "notes.txt")

arguments = sys.argv[1:]
if not arguments:
    print("Invalid arguments")
    print(f"You must specify subcommand {cmds}")
    sys.exit(1)

if arguments[0] not in cmds:
    print(f"Invalid command {arguments[0]}")

if arguments[0] == "read":
    for line in open(filepath):
        title, tag, text = line.split("\t")
        if tag == arguments[1].lower():
            print(f"Título: {title}")
            print(f"Texto: {text}")
            print("-" * 30)

if arguments[0] == "new":
    with open(filepath, "a") as file_:
        title = arguments[1] # TODO: tratar exception
        text = [
            f"{title}",
            input("tag:").strip(),
            input("text:\n").strip(),
        ]
        # \t - tsb tab separete value
        with open(filepath, "a") as file_:
            file_.write("\t".join(text) + "\n")