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Code Releases Wiki Activity

fix: handle FileNotFoundError when accessing Windows registry keys

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YoursFunny
2026-07-05 18:15:19 +08:00
parent 11f5f1dd64
commit 0590eebd44
1 changed files with 33 additions and 22 deletions
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module/device/platform/emulator_windows.py
+33 -22
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@@ -5,11 +5,11 @@ import typing as t
import winreg import winreg
from dataclasses import dataclass from dataclasses import dataclass
from module.device.platform.emulator_base import EmulatorBase, EmulatorInstanceBase, EmulatorManagerBase
# module/device/platform/emulator_base.py # module/device/platform/emulator_base.py
# module/device/platform/emulator_windows.py # module/device/platform/emulator_windows.py
# Will be used in Alas Easy Install, they shouldn't import any Alas modules. # Will be used in Alas Easy Install, they shouldn't import any Alas modules.
from module.device.platform.utils import cached_property, iter_folder from module.device.platform.utils import cached_property, iter_folder
from module.device.platform.emulator_base import EmulatorBase, EmulatorInstanceBase, EmulatorManagerBase
@dataclass @dataclass
@@ -330,8 +330,12 @@ class EmulatorManager(EmulatorManagerBase):
path = r'Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist' path = r'Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist'
# {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}\xxx.exe # {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}\xxx.exe
regex_hash = re.compile(r'{.*}') regex_hash = re.compile(r'{.*}')
with winreg.OpenKey(winreg.HKEY_CURRENT_USER, path) as reg: try:
folders = list_key(reg) with winreg.OpenKey(winreg.HKEY_CURRENT_USER, path) as reg:
folders = list_key(reg)
except FileNotFoundError:
return
for folder in folders: for folder in folders:
try: try:
with winreg.OpenKey(winreg.HKEY_CURRENT_USER, f'{path}\\{folder}\\Count') as reg: with winreg.OpenKey(winreg.HKEY_CURRENT_USER, f'{path}\\{folder}\\Count') as reg:
@@ -358,8 +362,11 @@ class EmulatorManager(EmulatorManagerBase):
str: Path to emulator executable, may contains duplicate values str: Path to emulator executable, may contains duplicate values
""" """
path = r'Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache' path = r'Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache'
with winreg.OpenKey(winreg.HKEY_CURRENT_USER, path) as reg: try:
rows = list_reg(reg) with winreg.OpenKey(winreg.HKEY_CURRENT_USER, path) as reg:
rows = list_reg(reg)
except FileNotFoundError:
return
regex = re.compile(r'(^.*\.exe)\.') regex = re.compile(r'(^.*\.exe)\.')
for row in rows: for row in rows:
@@ -425,24 +432,28 @@ class EmulatorManager(EmulatorManagerBase):
'MEmu', 'MEmu',
] ]
for path in known_uninstall_registry_path: for path in known_uninstall_registry_path:
with winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, path) as reg: try:
for software in list_key(reg): with winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, path) as reg:
if software not in known_emulator_registry_name: software_list = list_key(reg)
continue except FileNotFoundError:
continue
for software in software_list:
if software not in known_emulator_registry_name:
continue
try:
with winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, f'{path}\\{software}') as software_reg: with winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, f'{path}\\{software}') as software_reg:
try: uninstall = winreg.QueryValueEx(software_reg, 'UninstallString')[0]
uninstall = winreg.QueryValueEx(software_reg, 'UninstallString')[0] except FileNotFoundError:
except FileNotFoundError: continue
continue if not uninstall:
if not uninstall: continue
continue # UninstallString is like:
# UninstallString is like: # C:\Program Files\BlueStacks_nxt\BlueStacksUninstaller.exe -tmp
# C:\Program Files\BlueStacks_nxt\BlueStacksUninstaller.exe -tmp # "E:\ProgramFiles\Microvirt\MEmu\uninstall\uninstall.exe" -u
# "E:\ProgramFiles\Microvirt\MEmu\uninstall\uninstall.exe" -u # Extract path in ""
# Extract path in "" res = re.search('"(.*?)"', uninstall)
res = re.search('"(.*?)"', uninstall) uninstall = res.group(1) if res else uninstall
uninstall = res.group(1) if res else uninstall yield uninstall
yield uninstall
@cached_property @cached_property
def all_emulators(self) -> t.List[Emulator]: def all_emulators(self) -> t.List[Emulator]: