from pathlib import Path
import os
import difflib
for root in (Path('C:/wechat_rpa'), Path('C:/kefu/wechat_rpa')):
    p = root / 'wechat_gui_qt.py'
    s = p.read_text(encoding='utf-8')
    s = s.replace('    guard = DesktopInstanceGuard()\n    activation_timer = None\n    try:\n        try:\n            primary = guard.acquire()', '    guard = None\n    activation_timer = None\n    try:\n        try:\n            guard = DesktopInstanceGuard()\n            primary = guard.acquire()', 1)
    s = s.replace('        guard.close()\n\n\ndef _run_desktop_session', '        if guard is not None:\n            guard.close()\n\n\ndef _run_desktop_session', 1)
    s = s.replace('            self._close_minimized = True\n            self._tray_hidden = False', '            if not self.isVisible() or self.capsule.isVisible():\n                self.expand_console()\n            self._close_minimized = True\n            self._tray_hidden = False', 1)
    s = s.replace('    def changeEvent(self, event) -> None:\n        if event.type() == QEvent.Type.WindowStateChange and hasattr(self, "_scale_timer"):', '    def changeEvent(self, event) -> None:\n        if (event.type() == QEvent.Type.WindowStateChange and not self.isMinimized()\n                and not getattr(self, "_tray_hidden", False)):\n            self._close_minimized = False\n        if event.type() == QEvent.Type.WindowStateChange and hasattr(self, "_scale_timer"):', 1)
    compile(s, str(p), 'exec')
    t = p.with_suffix('.tray.tmp')
    t.write_text(s, encoding='utf-8')
    os.replace(t, p)
    old = (root / 'backups/single-instance-tray-20260917/wechat_gui_qt.py').read_text(encoding='utf-8')
    diffname = 'production-qt.diff' if root == Path('C:/wechat_rpa') else 'source-qt.diff'
    (Path(__file__).parent / diffname).write_text(''.join(difflib.unified_diff(old.splitlines(True), s.splitlines(True), fromfile='before/wechat_gui_qt.py', tofile=str(p))), encoding='utf-8')