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chore: import upstream snapshot with attribution
2026-07-13 13:25:42 +08:00

50 lines
1.6 KiB
Python

#!/usr/bin/env python3
import sys
from typing import Optional
from windowed_file import FileNotOpened, WindowedFile # type: ignore
def main(path: Optional[str] = None, line_number: Optional[str] = None) -> None:
if path is None:
try:
WindowedFile(exit_on_exception=False).print_window()
# If this passes, then there was already a file open and we just show it again
sys.exit(0)
except FileNotOpened:
print('Usage: open "<file>"')
sys.exit(1)
assert path is not None
wf = WindowedFile(path=path)
if line_number is not None:
try:
line_num = int(line_number)
except ValueError:
print('Usage: open "<file>" [<line_number>]')
print("Error: <line_number> must be a number")
sys.exit(1)
if line_num > wf.n_lines:
print(f"Warning: <line_number> ({line_num}) is greater than the number of lines in the file ({wf.n_lines})")
print(f"Warning: Setting <line_number> to {wf.n_lines}")
line_num = wf.n_lines
elif line_num < 1:
print(f"Warning: <line_number> ({line_num}) is less than 1")
print("Warning: Setting <line_number> to 1")
line_num = 1
else:
# Default to middle of window if no line number provided
line_num = wf.first_line
wf.goto(line_num - 1, mode="top")
wf.print_window()
if __name__ == "__main__":
args = sys.argv[1:]
file_path = args[0] if args else None
line_number = args[1] if len(args) > 1 else None
main(file_path, line_number)