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superset_tool/utils/whiptail_fallback.py

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+# [MODULE_PATH] superset_tool.utils.whiptail_fallback
+# [FILE] whiptail_fallback.py
+# [SEMANTICS] ui, fallback, console, utils, non‑interactive
+
+# --------------------------------------------------------------
+# [IMPORTS]
+# --------------------------------------------------------------
+import sys
+from typing import List, Tuple, Optional, Any
+# [END_IMPORTS]
+
+# --------------------------------------------------------------
+# [ENTITY: Service('ConsoleUI')]
+# --------------------------------------------------------------
+"""
+:purpose: Плотный консольный UI‑fallback для всех функций,
+          которые в оригинальном проекте использовали ``whiptail``.
+          Всё взаимодействие теперь **не‑интерактивно**: функции,
+          выводящие сообщение, просто печатают его без ожидания
+          ``Enter``.
+"""
+
+def menu(
+    title: str,
+    prompt: str,
+    choices: List[str],
+    backtitle: str = "Superset Migration Tool",
+) -> Tuple[int, Optional[str]]:
+    """Return (rc, selected item). rc == 0 → OK."""
+    print(f"\n=== {title} ===")
+    print(prompt)
+    for idx, item in enumerate(choices, 1):
+        print(f"{idx}) {item}")
+
+    try:
+        raw = input("\nВведите номер (0 – отмена): ").strip()
+        sel = int(raw)
+        if sel == 0:
+            return 1, None
+        return 0, choices[sel - 1]
+    except Exception:
+        return 1, None
+
+
+def checklist(
+    title: str,
+    prompt: str,
+    options: List[Tuple[str, str]],
+    backtitle: str = "Superset Migration Tool",
+) -> Tuple[int, List[str]]:
+    """Return (rc, list of selected **values**)."""
+    print(f"\n=== {title} ===")
+    print(prompt)
+    for idx, (val, label) in enumerate(options, 1):
+        print(f"{idx}) [{val}] {label}")
+
+    raw = input("\nВведите номера через запятую (пустой ввод → отказ): ").strip()
+    if not raw:
+        return 1, []
+
+    try:
+        indices = {int(x) for x in raw.split(",") if x.strip()}
+        selected = [options[i - 1][0] for i in indices if 0 < i <= len(options)]
+        return 0, selected
+    except Exception:
+        return 1, []
+
+
+def yesno(
+    title: str,
+    question: str,
+    backtitle: str = "Superset Migration Tool",
+) -> bool:
+    """True → пользователь ответил «да». """
+    ans = input(f"\n=== {title} ===\n{question} (y/n): ").strip().lower()
+    return ans in ("y", "yes", "да", "д")
+
+
+def msgbox(
+    title: str,
+    msg: str,
+    width: int = 60,
+    height: int = 15,
+    backtitle: str = "Superset Migration Tool",
+) -> None:
+    """Простой вывод сообщения – без ожидания Enter."""
+    print(f"\n=== {title} ===\n{msg}\n")
+    # **Убрано:** input("Нажмите <Enter> для продолжения...")
+
+
+def inputbox(
+    title: str,
+    prompt: str,
+    backtitle: str = "Superset Migration Tool",
+) -> Tuple[int, Optional[str]]:
+    """Return (rc, введённая строка). rc == 0 → успешно."""
+    print(f"\n=== {title} ===")
+    val = input(f"{prompt}\n")
+    if val == "":
+        return 1, None
+    return 0, val
+
+
+# --------------------------------------------------------------
+# [ENTITY: Service('ConsoleGauge')]
+# --------------------------------------------------------------
+"""
+:purpose: Минимальная имитация ``whiptail``‑gauge в консоли.
+"""
+
+class _ConsoleGauge:
+    """Контекст‑менеджер для простого прогресс‑бара."""
+    def __init__(self, title: str, width: int = 60, height: int = 10):
+        self.title = title
+        self.width = width
+        self.height = height
+        self._percent = 0
+
+    def __enter__(self):
+        print(f"\n=== {self.title} ===")
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        sys.stdout.write("\n")
+        sys.stdout.flush()
+
+    def set_text(self, txt: str) -> None:
+        sys.stdout.write(f"\r{txt} ")
+        sys.stdout.flush()
+
+    def set_percent(self, percent: int) -> None:
+        self._percent = percent
+        sys.stdout.write(f"{percent}%")
+        sys.stdout.flush()
+# [END_ENTITY]
+
+def gauge(
+    title: str,
+    width: int = 60,
+    height: int = 10,
+) -> Any:
+    """Always returns the console fallback gauge."""
+    return _ConsoleGauge(title, width, height)
+# [END_ENTITY]
+
+# --------------------------------------------------------------
+# [END_FILE whiptail_fallback.py]
+# --------------------------------------------------------------