66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
#!/bin/python3
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from __future__ import annotations
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import shutil
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def ask_int(prompt: str) -> int:
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"""Prompt user for a positive integer."""
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while True:
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try:
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value = int(input(prompt).strip())
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if value <= 0:
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print("Please enter a positive integer.")
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continue
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return value
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except ValueError:
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print("Please enter a valid integer.")
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def ask_float(prompt: str) -> float:
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"""Prompt user for a positive float."""
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while True:
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try:
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value = float(input(prompt).strip())
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if value <= 0:
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print("Please enter a positive number.")
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continue
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return value
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except ValueError:
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print("Please enter a valid number.")
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def ask_optional_float(prompt: str) -> float | None:
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"""Prompt user for an optional positive float."""
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while True:
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raw = input(f"{prompt} [Enter = keep default]: ").strip().replace(",", ".")
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if not raw:
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return None
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try:
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value = float(raw)
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except ValueError:
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print("Please enter a number.")
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continue
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if value <= 0:
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print("Value must be greater than 0.")
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continue
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return value
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def ask_yes_no(prompt: str) -> bool:
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"""Prompt the user for a yes/no answer."""
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while True:
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answer = input(prompt).strip().lower()
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if answer in {"y", "yes"}:
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return True
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if answer in {"n", "no"}:
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return False
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print("Please enter yes or no. [y/n]")
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def check_openscad() -> None:
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if shutil.which("openscad") is None:
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raise SystemExit(
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"OpenSCAD was not found in PATH. "
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"Install OpenSCAD or make sure the 'openscad' command is available."
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)
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