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Original file line number | Diff line number | Diff line change |
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import os | ||
from pathlib import Path | ||
import sys | ||
from tempfile import TemporaryDirectory | ||
from typing import Callable, Literal, Optional | ||
from typing_extensions import ParamSpec | ||
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from launart import Launart, Service | ||
from launart.status import Phase | ||
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from ..event.config import ConfigReload | ||
from ..plugin.model import RootlessPlugin | ||
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WINDOWS = sys.platform.startswith("win") or (sys.platform == "cli" and os.name == "nt") | ||
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def user_cache_dir(appname: str) -> Path: | ||
r""" | ||
Return full path to the user-specific cache dir for this application. | ||
"appname" is the name of application. | ||
Typical user cache directories are: | ||
macOS: ~/Library/Caches/<AppName> | ||
Unix: ~/.cache/<AppName> (XDG default) | ||
Windows: C:\Users\<username>\AppData\Local\<AppName>\Cache | ||
On Windows the only suggestion in the MSDN docs is that local settings go | ||
in the `CSIDL_LOCAL_APPDATA` directory. This is identical to the | ||
non-roaming app data dir (the default returned by `user_data_dir`). Apps | ||
typically put cache data somewhere *under* the given dir here. Some | ||
examples: | ||
...\Mozilla\Firefox\Profiles\<ProfileName>\Cache | ||
...\Acme\SuperApp\Cache\1.0 | ||
OPINION: This function appends "Cache" to the `CSIDL_LOCAL_APPDATA` value. | ||
""" | ||
if WINDOWS: | ||
return _get_win_folder("CSIDL_LOCAL_APPDATA") / appname / "Cache" | ||
elif sys.platform == "darwin": | ||
return Path("~/Library/Caches").expanduser() / appname | ||
else: | ||
return Path(os.getenv("XDG_CACHE_HOME", "~/.cache")).expanduser() / appname | ||
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def user_data_dir(appname: str, roaming: bool = False) -> Path: | ||
r""" | ||
Return full path to the user-specific data dir for this application. | ||
"appname" is the name of application. | ||
If None, just the system directory is returned. | ||
"roaming" (boolean, default False) can be set True to use the Windows | ||
roaming appdata directory. That means that for users on a Windows | ||
network setup for roaming profiles, this user data will be | ||
sync'd on login. See | ||
<http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx> | ||
for a discussion of issues. | ||
Typical user data directories are: | ||
macOS: ~/Library/Application Support/<AppName> | ||
Unix: ~/.local/share/<AppName> # or in | ||
$XDG_DATA_HOME, if defined | ||
Win XP (not roaming): C:\Documents and Settings\<username>\ ... | ||
...Application Data\<AppName> | ||
Win XP (roaming): C:\Documents and Settings\<username>\Local ... | ||
...Settings\Application Data\<AppName> | ||
Win 7 (not roaming): C:\Users\<username>\AppData\Local\<AppName> | ||
Win 7 (roaming): C:\Users\<username>\AppData\Roaming\<AppName> | ||
For Unix, we follow the XDG spec and support $XDG_DATA_HOME. | ||
That means, by default "~/.local/share/<AppName>". | ||
""" | ||
if WINDOWS: | ||
const = "CSIDL_APPDATA" if roaming else "CSIDL_LOCAL_APPDATA" | ||
return Path(_get_win_folder(const)) / appname | ||
elif sys.platform == "darwin": | ||
return Path("~/Library/Application Support/").expanduser() / appname | ||
else: | ||
return Path(os.getenv("XDG_DATA_HOME", "~/.local/share")).expanduser() / appname | ||
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# -- Windows support functions -- | ||
def _get_win_folder_from_registry( | ||
csidl_name: Literal["CSIDL_APPDATA", "CSIDL_COMMON_APPDATA", "CSIDL_LOCAL_APPDATA"] | ||
) -> Path: | ||
""" | ||
This is a fallback technique at best. I'm not sure if using the | ||
registry for this guarantees us the correct answer for all CSIDL_* | ||
names. | ||
""" | ||
import winreg | ||
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shell_folder_name = { | ||
"CSIDL_APPDATA": "AppData", | ||
"CSIDL_COMMON_APPDATA": "Common AppData", | ||
"CSIDL_LOCAL_APPDATA": "Local AppData", | ||
}[csidl_name] | ||
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key = winreg.OpenKey( | ||
winreg.HKEY_CURRENT_USER, | ||
r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders", | ||
) | ||
directory, _type = winreg.QueryValueEx(key, shell_folder_name) | ||
return Path(directory) | ||
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def _get_win_folder_with_ctypes( | ||
csidl_name: Literal["CSIDL_APPDATA", "CSIDL_COMMON_APPDATA", "CSIDL_LOCAL_APPDATA"] | ||
) -> Path: | ||
csidl_const = { | ||
"CSIDL_APPDATA": 26, | ||
"CSIDL_COMMON_APPDATA": 35, | ||
"CSIDL_LOCAL_APPDATA": 28, | ||
}[csidl_name] | ||
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buf = ctypes.create_unicode_buffer(1024) | ||
ctypes.windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf) | ||
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# Downgrade to short path name if have highbit chars. See | ||
# <http://bugs.activestate.com/show_bug.cgi?id=85099>. | ||
has_high_char = any(ord(c) > 255 for c in buf) | ||
if has_high_char: | ||
buf2 = ctypes.create_unicode_buffer(1024) | ||
if ctypes.windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024): | ||
buf = buf2 | ||
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return Path(buf.value) | ||
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if WINDOWS: | ||
try: | ||
import ctypes | ||
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_get_win_folder = _get_win_folder_with_ctypes | ||
except ImportError: | ||
_get_win_folder = _get_win_folder_from_registry | ||
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P = ParamSpec("P") | ||
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# APP_NAME = "nonebot2" | ||
# BASE_CACHE_DIR = ( | ||
# user_cache_dir(APP_NAME).resolve() | ||
# if plugin_config.localstore_cache_dir is None | ||
# else plugin_config.localstore_cache_dir.resolve() | ||
# ) | ||
# BASE_CONFIG_DIR = ( | ||
# user_config_dir(APP_NAME).resolve() | ||
# if plugin_config.localstore_config_dir is None | ||
# else plugin_config.localstore_config_dir.resolve() | ||
# ) | ||
# BASE_DATA_DIR = ( | ||
# user_data_dir(APP_NAME).resolve() | ||
# if plugin_config.localstore_data_dir is None | ||
# else plugin_config.localstore_data_dir.resolve() | ||
# ) | ||
# | ||
# | ||
def _ensure_dir(path: Path) -> None: | ||
if not path.exists(): | ||
path.mkdir(parents=True, exist_ok=True) | ||
elif not path.is_dir(): | ||
raise RuntimeError(f"{path} is not a directory") | ||
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def _auto_create_dir(func: Callable[P, Path]) -> Callable[P, Path]: | ||
def wrapper(*args: P.args, **kwargs: P.kwargs) -> Path: | ||
path = func(*args, **kwargs) | ||
_ensure_dir(path) | ||
return path | ||
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return wrapper | ||
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class LocalData(Service): | ||
def __init__(self): | ||
super().__init__() | ||
self.root: Optional[Path] = None | ||
self.app_name = "Entari" | ||
self._temp_dir = TemporaryDirectory() | ||
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@property | ||
def required(self) -> set[str]: | ||
return set() | ||
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@property | ||
def stages(self) -> set[Phase]: | ||
return {"cleanup", "blocking"} | ||
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def _get_base_cache_dir(self) -> Path: | ||
return user_cache_dir(self.app_name).resolve() if self.root is None else self.root | ||
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def _get_base_data_dir(self) -> Path: | ||
return user_data_dir(self.app_name).resolve() if self.root is None else self.root | ||
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@_auto_create_dir | ||
def get_cache_dir(self, name: Optional[str]) -> Path: | ||
dir_ = self._get_base_cache_dir() | ||
return (dir_ / name) if name else dir_ | ||
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def get_cache_file(self, name: Optional[str], filename: str) -> Path: | ||
return self.get_cache_dir(name) / filename | ||
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@_auto_create_dir | ||
def get_data_dir(self, plugin_name: Optional[str]) -> Path: | ||
dir_ = self._get_base_data_dir() | ||
return (dir_ / plugin_name) if plugin_name else dir_ | ||
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def get_data_file(self, plugin_name: Optional[str], filename: str) -> Path: | ||
return self.get_data_dir(plugin_name) / filename | ||
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@_auto_create_dir | ||
def get_temp_dir(self) -> Path: | ||
return Path(self._temp_dir.name) / self.app_name | ||
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def get_temp_file(self, filename: str) -> Path: | ||
return self.get_temp_dir() / filename | ||
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async def launch(self, manager: Launart): | ||
async with self.stage("blocking"): | ||
await manager.status.wait_for_sigexit() | ||
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async with self.stage("cleanup"): | ||
self._temp_dir.cleanup() | ||
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local_data = LocalData() | ||
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@RootlessPlugin.apply("localdata") | ||
def localdata_apply(plg: RootlessPlugin): | ||
conf = plg.config | ||
if "root" in conf: | ||
local_data.root = Path(conf["root"]) | ||
if "app_name" in conf: | ||
local_data.app_name = conf["app_name"] | ||
local_data._temp_dir.cleanup() | ||
local_data._temp_dir = TemporaryDirectory() | ||
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@plg.use(ConfigReload) | ||
def reload_config(event: ConfigReload): | ||
if event.scope != "plugin": | ||
return | ||
if event.key != ".localdata": | ||
return | ||
conf = event.value | ||
if "root" in conf: | ||
local_data.root = Path(conf["root"]) | ||
if "app_name" in conf: | ||
local_data.app_name = conf["app_name"] | ||
local_data._temp_dir.cleanup() | ||
local_data._temp_dir = TemporaryDirectory() |
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