Update nano.py
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OusmBlueNinja
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packages/nano.py
161
packages/nano.py
@ -1,15 +1,18 @@
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#["nano", "packages.nano", ["nano"]]
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import os
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import curses
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import os, time
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from pygments import highlight
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from pygments.lexers import PythonLexer
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from pygments.formatters import TerminalFormatter
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def clear():
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os.system('cls' if os.name == 'nt' else 'clear')
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class TextEditor:
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def __init__(self):
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self.lines = []
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self.file = ""
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self.cursor = (0, 0) # (line, column)
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def load_file(self, filename):
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try:
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@ -24,82 +27,108 @@ class TextEditor:
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with open(filename, "w") as file:
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file.writelines(self.lines)
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def edit(self, stdscr):
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self.stdscr = stdscr
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curses.curs_set(1) # Show cursor
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self.stdscr.clear()
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self.display()
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def edit(self):
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while True:
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key = self.stdscr.getch()
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os.system('cls' if os.name == 'nt' else 'clear')
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self.display()
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if key == curses.KEY_UP:
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self.move_cursor(-1)
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elif key == curses.KEY_DOWN:
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self.move_cursor(1)
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elif key == curses.KEY_LEFT:
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self.move_cursor(0, -1)
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elif key == curses.KEY_RIGHT:
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self.move_cursor(0, 1)
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elif key == ord('\n'):
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action = input("\nCommands: [e]dit, [b]ulk-edit, [n]ewline, [s]ave, [q]uit: ").lower()
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if action == "e":
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self.edit_lines()
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elif action == "n":
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self.newline()
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elif key == curses.KEY_BACKSPACE or key == 127:
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self.delete_character()
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elif key == 19: # Ctrl + S
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elif action == "s":
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filename = input("Enter filename to save: ")
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self.save_file(filename)
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print(f"File '{filename}' saved.")
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elif key == 17: # Ctrl + Q
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elif action == "q":
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print("Exiting the text editor.")
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break
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elif key >= 32 and key <= 126:
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self.insert_character(chr(key))
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elif key == 27: # Escape key
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pass
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self.stdscr.clear()
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self.display()
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elif action == 'b':
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try:
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self.b_edit_lines()
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filename = self.file
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self.save_file(filename)
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print(f"File '{filename}' saved.")
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except KeyboardInterrupt:
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self.save_file(filename)
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print(f"File '{filename}' saved.")
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else:
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print("Invalid command.")
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def display(self):
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self.stdscr.addstr(0, 0, "Editing: " + self.file)
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print("Editing: " + self.file)
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termSize = os.get_terminal_size()
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colms = termSize[0]
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for i, line in enumerate(self.lines):
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highlighted_line = highlight(line, PythonLexer(), TerminalFormatter())
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if i == self.cursor[0]:
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cursor_column = self.cursor[1]
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self.stdscr.addstr(i + 1, 0, f"{i + 1}: {highlighted_line[:cursor_column]}{highlighted_line[cursor_column:]}")
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else:
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self.stdscr.addstr(i + 1, 0, f"{i + 1}: {highlighted_line}")
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def move_cursor(self, line_change=0, column_change=0):
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new_line = self.cursor[0] + line_change
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new_column = self.cursor[1] + column_change
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if 0 <= new_line < len(self.lines):
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line_length = len(self.lines[new_line])
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new_column = max(0, min(new_column, line_length))
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self.cursor = (new_line, new_column)
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print(f"{i + 1}: {highlighted_line}", end="")
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def newline(self):
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line, column = self.cursor
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self.lines[line] = self.lines[line][:column] + '\n' + self.lines[line][column:]
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self.move_cursor(1, 0)
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def delete_character(self):
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line, column = self.cursor
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if column > 0:
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self.lines[line] = self.lines[line][:column - 1] + self.lines[line][column:]
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self.move_cursor(0, -1)
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elif line > 0:
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prev_line_len = len(self.lines[line - 1])
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self.lines[line - 1] = self.lines[line - 1][:-1] + self.lines[line]
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self.lines.pop(line)
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self.move_cursor(-1, prev_line_len)
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def insert_character(self, char):
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line, column = self.cursor
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self.lines[line] = self.lines[line][:column] + char + self.lines[line][column:]
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self.move_cursor(0, 1)
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self.lines.append("\n")
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def edit_lines(self):
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line_number = int(input("Enter line number to edit: ")) - 1
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while line_number >= len(self.lines):
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self.newline()
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if 0 <= line_number < len(self.lines):
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new_line = input("Enter new text: ")
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self.lines[line_number] = new_line + "\n"
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else:
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print("Invalid line number.")
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def b_edit_lines(self):
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line_number = int(input("Enter line number to start: ")) - 1
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#print(line_number, len(self.lines))
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if line_number <= -1:
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print("Invalid line number.")
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return
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while line_number >= len(self.lines):
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self.newline()
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#if -1 < line_number < len(self.lines):
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#print("Invalid line number.")
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#return
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clear()
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self.display()
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while True:
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clear()
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self.display()
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if line_number >= len(self.lines):
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self.newline()
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print(f"\n{' '*(len(str(line_number))+1)} {highlight(self.lines[line_number], PythonLexer(), TerminalFormatter())}", end="")
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new_line = input(f"{line_number+1}: ")
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if new_line == "":
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new_line = " "
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if new_line[0] == ':':
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command = new_line.split(" ")
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if command[0] == ":h":
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print("Commands:\n :q -> save and return to prompt\n :g -> goto line number <:g 11> (goes to line 11)")
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time.sleep(5)
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clear()
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continue
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elif command[0] == ":q":
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self.save_file("")
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break
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elif command[0] == ":g":
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gotoLine = int(command[1])
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line_number = gotoLine -1
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continue
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self.lines[line_number] = new_line + "\n"
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line_number +=1
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def nano(args):
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if len(args) != 1:
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@ -107,8 +136,8 @@ def nano(args):
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else:
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os.system('cls' if os.name == 'nt' else 'clear')
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filename = args[0]
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editor = TextEditor()
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editor.file = filename
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editor.load_file(filename)
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curses.wrapper(editor.edit)
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editor.edit()
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