diff options
Diffstat (limited to 'kvmd/plugins/msd/otg')
| -rw-r--r-- | kvmd/plugins/msd/otg/__init__.py | 38 | ||||
| -rw-r--r-- | kvmd/plugins/msd/otg/storage.py | 20 |
2 files changed, 32 insertions, 26 deletions
diff --git a/kvmd/plugins/msd/otg/__init__.py b/kvmd/plugins/msd/otg/__init__.py index d1a9dc6a..51b9ca75 100644 --- a/kvmd/plugins/msd/otg/__init__.py +++ b/kvmd/plugins/msd/otg/__init__.py @@ -254,7 +254,7 @@ class Plugin(BaseMsd): # pylint: disable=too-many-instance-attributes if name is not None: if name: - self.__state.vd.image = self.__STATE_get_storage_image(name) + self.__state.vd.image = await self.__STATE_get_storage_image(name) else: self.__state.vd.image = None @@ -278,7 +278,7 @@ class Plugin(BaseMsd): # pylint: disable=too-many-instance-attributes if self.__state.vd.image is None: raise MsdImageNotSelected() - if not self.__state.vd.image.exists(): + if not (await self.__state.vd.image.exists()): raise MsdUnknownImageError() assert self.__state.vd.image.in_storage @@ -304,7 +304,7 @@ class Plugin(BaseMsd): # pylint: disable=too-many-instance-attributes async with self.__state._lock: # pylint: disable=protected-access self.__notifier.notify() self.__STATE_check_disconnected() - image = self.__STATE_get_storage_image(name) + image = await self.__STATE_get_storage_image(name) self.__reader = await MsdFileReader( notifier=self.__notifier, name=image.name, @@ -326,10 +326,10 @@ class Plugin(BaseMsd): # pylint: disable=too-many-instance-attributes async with self.__state._lock: # pylint: disable=protected-access self.__notifier.notify() self.__STATE_check_disconnected() - image = self.__STORAGE_create_new_image(name) + image = await self.__STORAGE_create_new_image(name) await image.remount_rw(True) - image.set_complete(False) + await image.set_complete(False) self.__writer = await MsdFileWriter( notifier=self.__notifier, @@ -342,16 +342,18 @@ class Plugin(BaseMsd): # pylint: disable=too-many-instance-attributes self.__notifier.notify() yield self.__writer - image.set_complete(self.__writer.is_complete()) + await image.set_complete(self.__writer.is_complete()) finally: - if image and remove_incomplete and self.__writer and not self.__writer.is_complete(): - image.remove(fatal=False) try: - await aiotools.shield_fg(self.__close_writer()) + if image and remove_incomplete and self.__writer and not self.__writer.is_complete(): + await image.remove(fatal=False) finally: - if image: - await aiotools.shield_fg(image.remount_rw(False, fatal=False)) + try: + await aiotools.shield_fg(self.__close_writer()) + finally: + if image: + await aiotools.shield_fg(image.remount_rw(False, fatal=False)) finally: # Между закрытием файла и эвентом айнотифи состояние может быть не обновлено, # так что форсим обновление вручную, чтобы получить актуальное состояние. @@ -363,17 +365,17 @@ class Plugin(BaseMsd): # pylint: disable=too-many-instance-attributes assert self.__state.storage assert self.__state.vd self.__STATE_check_disconnected() - image = self.__STATE_get_storage_image(name) + image = await self.__STATE_get_storage_image(name) if self.__state.vd.image == image: self.__state.vd.image = None await image.remount_rw(True) try: - image.remove(fatal=True) + await image.remove(fatal=True) del self.__state.storage.images[name] finally: - await image.remount_rw(False, fatal=False) + await aiotools.shield_fg(image.remount_rw(False, fatal=False)) # ===== @@ -387,18 +389,18 @@ class Plugin(BaseMsd): # pylint: disable=too-many-instance-attributes if self.__state.vd.connected or self.__drive.get_image_path(): raise MsdConnectedError() - def __STATE_get_storage_image(self, name: str) -> Image: # pylint: disable=invalid-name + async def __STATE_get_storage_image(self, name: str) -> Image: # pylint: disable=invalid-name assert self.__state.storage image = self.__state.storage.images.get(name) - if image is None or not image.exists(): + if image is None or not (await image.exists()): raise MsdUnknownImageError() assert image.in_storage return image - def __STORAGE_create_new_image(self, name: str) -> Image: # pylint: disable=invalid-name + async def __STORAGE_create_new_image(self, name: str) -> Image: # pylint: disable=invalid-name assert self.__state.storage image = self.__storage.get_image_by_name(name) - if image.name in self.__state.storage.images or image.exists(): + if image.name in self.__state.storage.images or (await image.exists()): raise MsdImageExistsError() return image diff --git a/kvmd/plugins/msd/otg/storage.py b/kvmd/plugins/msd/otg/storage.py index b6b6d52a..0bdbbaae 100644 --- a/kvmd/plugins/msd/otg/storage.py +++ b/kvmd/plugins/msd/otg/storage.py @@ -26,6 +26,9 @@ import dataclasses from typing import Generator from typing import Optional +import aiofiles +import aiofiles.os + from ....logging import get_logger from .... import aiohelpers @@ -85,32 +88,33 @@ class Image(_Image): except Exception: return 0.0 - def exists(self) -> bool: - return os.path.exists(self.path) + async def exists(self) -> bool: + return (await aiofiles.os.path.exists(self.path)) async def remount_rw(self, rw: bool, fatal: bool=True) -> None: assert self.__storage if not self.__adopted: await self.__storage.remount_rw(rw, fatal) - def remove(self, fatal: bool) -> None: + async def remove(self, fatal: bool) -> None: assert self.__storage try: - os.remove(self.path) + await aiofiles.os.remove(self.path) except FileNotFoundError: pass except Exception: if fatal: raise - self.set_complete(False) + await self.set_complete(False) - def set_complete(self, flag: bool) -> None: + async def set_complete(self, flag: bool) -> None: assert self.__storage if flag: - open(self.__complete_path, "w").close() # pylint: disable=consider-using-with + async with aiofiles.open(self.__complete_path, "w"): + pass else: try: - os.remove(self.__complete_path) + await aiofiles.os.remove(self.__complete_path) except FileNotFoundError: pass |