Mystery Fix Explanation
Mystery Code Fix
Subject: Assistive Technology
Update: Version 5.4 (Stable Deploy)
Installing Dependencies Correctly
You encountered an error because pip install is a Command Line tool, not a Python command. It should not be typed into the Python window (the one with >>>).
# WRONG: Do not type this in Python window
>>> pip install pywin32
# CORRECT: Type this in your Windows Command Prompt (cmd.exe)
C:\Users\Teacher> pip install pywin32
Final Refinements
1. Smart Error Guard
If libraries are missing, the game now pops up a step-by-step instruction window instead of crashing silently.
2. Faster Start Pace
Nancy now begins at Rate 1. This is 3 steps faster than the previous version, making the intro more engaging.
3. Non-Stop Feedback
Selection echoes ("Selected student") now block the game transition until the audio is 100% finished.
4. Clue Expiration
Menus are strictly one-way. Once you find a clue, that option disappears to keep the mystery moving forward.
Version 5.4 Stable Deploy Ready.
Nancy Drew Fixed Code
Nancy Drew Mystery: v5.4 Final
Robust Signaling, Persistent Queue, and Facilitator Toolbar
INSTALLATION GUIDE:
1. Close your Python/IDLE window.
2. Open Command Prompt (Search 'cmd' in Windows).
3. Type: pip install pywin32 and press Enter.
4. Re-open and run this script.
import tkinter as tk import threading import time import queue import sys import os # --- BOOT SEQUENCE GUARD --- def check_requirements(): if os.name != 'nt': root = tk.Tk(); root.withdraw() from tkinter import messagebox messagebox.showerror("OS Error", "Windows required for SAPI voice.") sys.exit(1) try: import win32com.client import pythoncom except ImportError: root = tk.Tk(); root.withdraw() from tkinter import messagebox messagebox.showerror("Dependency Error", "Required library 'pywin32' is missing.\n\n" "TO FIX:\n" "1. Open Command Prompt (cmd.exe).\n" "2. Type: pip install pywin32\n" "3. Press Enter.\n" "4. Run the game again.") sys.exit(1) check_requirements() import win32com.client import pythoncom # ---------------- CONFIG ---------------- SCAN_DELAY = 2800 INITIAL_RATE = 1 # Brisk starting speed FONT = ("Arial", 30) BG, FG, HIGHLIGHT = "black", "white", "yellow" # ---------------- PERSISTENT VOICE WORKER ---------------- class SpeechWorker(threading.Thread): def __init__(self): super().__init__(daemon=True) self.queue = queue.Queue() self.speaker = None self.rate = INITIAL_RATE def run(self): pythoncom.CoInitialize() self.speaker = win32com.client.Dispatch("SAPI.SpVoice") v_list = self.speaker.GetVoices() for i in range(v_list.Count): desc = v_list.Item(i).GetDescription() if "Zira" in desc or "Female" in desc: self.speaker.Voice = v_list.Item(i) break self.speaker.Rate = self.rate while True: cmd, data, done_event = self.queue.get() if cmd == "STOP": self.speaker.Speak("", 1 | 2) elif cmd == "RATE": self.rate = data self.speaker.Rate = self.rate elif cmd == "SPEAK": txt, interrupt = data self.speaker.Speak(txt, 1 | (2 if interrupt else 0)) if done_event: while self.speaker.Status.RunningState != 1: time.sleep(0.05) done_event.set() self.queue.task_done() class SpeechManager: def __init__(self): self.worker = SpeechWorker() self.worker.start() def speak(self, text, interrupt=True, wait=False): if interrupt: self.clear_queue() event = threading.Event() if wait else None self.worker.queue.put(("SPEAK", (text, interrupt), event)) if wait: event.wait() def clear_queue(self): while not self.worker.queue.empty(): try: self.worker.queue.get_nowait() self.worker.queue.task_done() except: break self.worker.queue.put(("STOP", None, None)) def update_rate(self, delta): new_rate = max(-10, min(10, self.worker.rate + delta)) self.worker.queue.put(("RATE", new_rate, None)) self.worker.queue.put(("SPEAK", ("Rate changed", False), None)) voice = SpeechManager()
# ---------------- ACCESSIBLE GAME UI ---------------- class NancyGame: def __init__(self, root): self.root = root self.timer_id = None # Facilitator Panel self.panel = tk.Frame(root, bg="#111", pady=10) self.panel.pack(fill="x") tk.Label(self.panel, text="AUDITORY TUNING:", bg="#111", fg="#FFF", font=("Arial", 11, "bold")).pack(side="left", padx=20) tk.Button(self.panel, text=" SLOWER ", width=10, command=lambda: voice.update_rate(-1)).pack(side="left", padx=5) tk.Button(self.panel, text=" FASTER ", width=10, command=lambda: voice.update_rate(1)).pack(side="left", padx=5) self.canvas = tk.Frame(root, bg=BG) self.canvas.pack(expand=True, fill="both") self.clues = set() self.buttons = [] self.scan_idx, self.scanning = 0, False self.callback = None self.current_sel = 0 self.root.bind("<space>", self.select_option) self.root.after(500, self.start_story) def clear(self): for w in self.canvas.winfo_children(): w.destroy() def stop_scanning(self): self.scanning = False if self.timer_id: self.root.after_cancel(self.timer_id) self.timer_id = None def show_text(self, text, next_func=None): self.stop_scanning() self.clear() lbl = tk.Label(self.canvas, text=text, font=FONT, bg=BG, fg=FG, wraplength=1200, justify="center") lbl.pack(expand=True) def run_narrative(): voice.speak(text, wait=True) if next_func: self.root.after(1200, next_func) threading.Thread(target=run_narrative, daemon=True).start() def show_menu(self, options, callback): self.stop_scanning() self.clear() self.callback = callback self.scan_idx, self.current_sel = 0, 0 self.buttons = [] for opt in options: btn = tk.Label(self.canvas, text=opt, font=FONT, bg=BG, fg=FG) btn.pack(pady=25); self.buttons.append(btn) self.root.after(1000, self.start_scanning) def start_scanning(self): self.scanning = True self.scan_step() def scan_step(self): if not self.scanning: return for b in self.buttons: b.config(fg=FG) current = self.buttons[self.scan_idx] current.config(fg=HIGHLIGHT) self.current_sel = self.scan_idx voice.speak(current.cget("text"), interrupt=True) self.scan_idx = (self.scan_idx + 1) % len(self.buttons) self.timer_id = self.root.after(SCAN_DELAY, self.scan_step) def select_option(self, event): if not self.scanning: return choice = self.buttons[self.current_sel].cget("text") self.stop_scanning() def handle_sel(): voice.speak(f"Selected {choice}", interrupt=True, wait=True) self.root.after(400, lambda: self.callback(choice)) threading.Thread(target=handle_sel, daemon=True).start() def main_menu(self): opts = [] if "glitter" not in self.clues: opts.append("Talk to Teacher") if "backpack" not in self.clues: opts.append("Talk to Student") if "medal" not in self.clues: opts.append("Search Room") if "medal" in self.clues: opts.append("Accuse") self.show_menu(opts, self.handle_main) def handle_main(self, choice): if choice == "Talk to Teacher": self.clues.add("glitter") self.show_text("The teacher saw glitter on the thief's backpack.", self.main_menu) elif choice == "Talk to Student": if "glitter" in self.clues: self.clues.add("backpack") self.show_text("There is blue glitter on the student's backpack!", self.main_menu) else: self.show_text("The student is cleaning up.", self.main_menu) elif choice == "Search Room": if "backpack" in self.clues: self.clues.add("medal") self.show_text("You found the medal hidden in the desk!", self.main_menu) else: self.show_text("Search for more clues first.", self.main_menu) elif choice == "Accuse": self.accusation_menu() def accusation_menu(self): self.show_menu(["Accuse Student", "Accuse Teacher", "Return"], self.handle_accusation) def handle_accusation(self, choice): if choice == "Accuse Student": if "medal" in self.clues: self.show_text("Correct! Mystery solved!") else: self.show_text("Nancy needs more proof.", self.main_menu) elif choice == "Accuse Teacher": self.show_text("Innocent! Try again.", self.main_menu) else: self.main_menu() def start_story(self): msg = "Nancy Drew here! The gold medal is missing. I need your help!" self.show_text(msg, self.main_menu) if __name__ == "__main__": root = tk.Tk() root.title("Nancy Drew Mystery") root.state("zoomed") root.configure(bg=BG); game = NancyGame(root); root.mainloop()
Accessibility Audit Guide
Accessibility Audit Guide
Version 5.3 Final: Boot Guarding and High-Engagement Pacing.
1. Dependency Guarding (Anti-Crash)
If a required library like pywin32 is missing, the script must provide a diagnostic message instead of closing silently.
- Diagnostic Window: Use a fallback Tkinter messagebox to tell the facilitator exactly which library is missing.
2. Optimized Starting Pace
Initial starting speeds should be engaging but clear.
- Starting Rate: A default rate of +1 removes the "sleepy" feeling of system voices and keeps students focused.
3. Linear Narrative Progression
Hide found clues and lock end-game menus until specific conditions are met.
- Task Depletion: Clues disappear once found. The "Accuse" option reveals itself only after the medal discovery.
4. Uninterrupted Selection Feedback
Prevent selection echos (e.g., "Selected: Talk to Teacher") from being cut off.
- Blocking Echo: Ensure the engine finishes the confirmation speech before wiping the screen for the next scene.
Final Verification:
"Stability is the foundation of accessibility. Version 5.3 ensures the game stays alive and communicates its needs clearly to the facilitator."
