71 lines
2.0 KiB
Python
71 lines
2.0 KiB
Python
|
#["nano", "packages.nano", ["nano"]]
|
||
|
|
|
||
|
|
import os
|
||
|
|
|
||
|
|
class TextEditor:
|
||
|
|
def __init__(self):
|
||
|
|
self.lines = []
|
||
|
|
self.file = ""
|
||
|
|
|
||
|
|
def load_file(self, filename):
|
||
|
|
try:
|
||
|
|
with open(filename, "r") as file:
|
||
|
|
self.lines = file.readlines()
|
||
|
|
except FileNotFoundError:
|
||
|
|
print(f"File '{filename}' not found.")
|
||
|
|
|
||
|
|
def save_file(self, filename):
|
||
|
|
if filename == "":
|
||
|
|
filename = self.file
|
||
|
|
with open(filename, "w") as file:
|
||
|
|
file.writelines(self.lines)
|
||
|
|
|
||
|
|
def edit(self):
|
||
|
|
while True:
|
||
|
|
os.system('cls' if os.name == 'nt' else 'clear')
|
||
|
|
self.display()
|
||
|
|
|
||
|
|
action = input("\nCommands: [e]dit, [n]ewline, [s]ave, [q]uit: ").lower()
|
||
|
|
|
||
|
|
if action == "e":
|
||
|
|
self.edit_lines()
|
||
|
|
elif action == "n":
|
||
|
|
self.newline()
|
||
|
|
elif action == "s":
|
||
|
|
filename = input("Enter filename to save: ")
|
||
|
|
self.save_file(filename)
|
||
|
|
print(f"File '{filename}' saved.")
|
||
|
|
elif action == "q":
|
||
|
|
print("Exiting the text editor.")
|
||
|
|
break
|
||
|
|
else:
|
||
|
|
print("Invalid command.")
|
||
|
|
|
||
|
|
def display(self):
|
||
|
|
print("Editing: "+self.file)
|
||
|
|
for i, line in enumerate(self.lines):
|
||
|
|
print(f"{i + 1}: {line}", end="")
|
||
|
|
|
||
|
|
def newline(self):
|
||
|
|
self.lines.append("\n")
|
||
|
|
|
||
|
|
def edit_lines(self):
|
||
|
|
line_number = int(input("Enter line number to edit: ")) - 1
|
||
|
|
if 0 <= line_number < len(self.lines):
|
||
|
|
new_line = input("Enter new text: ")
|
||
|
|
self.lines[line_number] = new_line + "\n"
|
||
|
|
else:
|
||
|
|
print("Invalid line number.")
|
||
|
|
|
||
|
|
|
||
|
|
def nano(args):
|
||
|
|
if len(args) != 1:
|
||
|
|
print("Usage: nano <filename>")
|
||
|
|
else:
|
||
|
|
os.system('cls' if os.name == 'nt' else 'clear')
|
||
|
|
filename = args[0]
|
||
|
|
|
||
|
|
editor = TextEditor()
|
||
|
|
editor.file = filename
|
||
|
|
editor.load_file(filename)
|
||
|
|
editor.edit()
|