Complete practice assignment 1

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Uthman Fatih 2026-08-31 15:43:45 +01:00
parent 2f9f6e6a0c
commit 9207cc2eb1
7 changed files with 224 additions and 0 deletions

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3.14

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Practice Assignment 1/main.py Executable file
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#!/usr/bin/env python3
"""An app to encrypt and decrypt text using ROT13."""
from textual.app import App, ComposeResult
from textual.binding import Binding
from textual.containers import Horizontal
from textual.widgets import Button, Footer, Header, TextArea
def transcript(text: str) -> str:
"""Applies ROT13 transformation to the input string."""
return text.translate(
str.maketrans(
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
"NOPQRSTUVWXYZABCDEFGHIJKLMnopqrstuvwxyzabcdefghijklm",
)
)
class Rot13App(App):
"""A Textual app for ROT13 encryption and decryption."""
TITLE = "ROT13"
BINDINGS = [
Binding("ctrl+e", "encrypt", "Encrypt", show=True),
Binding("ctrl+d", "decrypt", "Decrypt", show=True),
Binding("ctrl+x", "quit", "Exit", show=True),
]
CSS = """
Screen {
layout: vertical;
padding: 1 2;
}
TextArea {
height: 1fr;
margin-bottom: 1;
}
Horizontal {
height: auto;
align: center middle;
}
Button {
margin: 0 1;
}
"""
def compose(self) -> ComposeResult:
yield Header()
yield TextArea(placeholder="Enter text here...")
with Horizontal():
yield Button("Encrypt", id="encrypt_btn", variant="primary")
yield Button("Decrypt", id="decrypt_btn", variant="success")
yield Button("Exit", id="exit_btn", variant="error")
yield Footer()
def process_text(self) -> None:
"""Helper to transform and replace text inside the TextArea."""
text_area = self.query_one(TextArea)
text_area.text = transcript(text_area.text)
# Keyboard binding actions
def action_encrypt(self) -> None:
self.process_text()
def action_decrypt(self) -> None:
self.process_text()
# Button click handlers
def on_button_pressed(self, event: Button.Pressed) -> None:
if event.button.id in ("encrypt_btn", "decrypt_btn"):
self.process_text()
elif event.button.id == "exit_btn":
self.exit()
if __name__ == "__main__":
app = Rot13App()
app.run()

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[project]
name = "practice-assignment-1"
version = "0.1.0"
description = "Add your description here"
readme = "README.md"
authors = [
{ name = "Uthman Fatih", email = "kingvcheese@gmail.com" }
]
requires-python = ">=3.14"
dependencies = [
"textual>=8.2.8",
]
[project.scripts]
practice-assignment-1 = "practice_assignment_1:main"
[build-system]
requires = ["uv_build>=0.12.7,<0.13.0"]
build-backend = "uv_build"

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def main() -> None:
print("Hello from practice-assignment-1!")

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Practice Assignment 1/uv.lock generated Normal file
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