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import ctypes
import os
from functools import lru_cache
from typing import Callable, Optional
from .api import PlatformDirsABC
class Windows(PlatformDirsABC):
"""`MSDN on where to store app data files
<http://support.microsoft.com/default.aspx?scid=kb;en-us;310294#XSLTH3194121123120121120120>`_.
Makes use of the
`appname <platformdirs.api.PlatformDirsABC.appname>`,
`appauthor <platformdirs.api.PlatformDirsABC.appauthor>`,
`version <platformdirs.api.PlatformDirsABC.version>`,
`roaming <platformdirs.api.PlatformDirsABC.roaming>`,
`opinion <platformdirs.api.PlatformDirsABC.opinion>`."""
@property
def user_data_dir(self) -> str:
"""
:return: data directory tied to the user, e.g.
``%USERPROFILE%\\AppData\\Local\\$appauthor\\$appname`` (not roaming) or
``%USERPROFILE%\\AppData\\Roaming\\$appauthor\\$appname`` (roaming)
"""
const = "CSIDL_APPDATA" if self.roaming else "CSIDL_LOCAL_APPDATA"
path = os.path.normpath(get_win_folder(const))
return self._append_parts(path)
def _append_parts(self, path: str, *, opinion_value: Optional[str] = None) -> str:
params = []
if self.appname:
if self.appauthor is not False:
author = self.appauthor or self.appname
params.append(author)
params.append(self.appname)
if opinion_value is not None and self.opinion:
params.append(opinion_value)
if self.version:
params.append(self.version)
return os.path.join(path, *params)
@property
def site_data_dir(self) -> str:
""":return: data directory shared by users, e.g. ``C:\\ProgramData\\$appauthor\\$appname``"""
path = os.path.normpath(get_win_folder("CSIDL_COMMON_APPDATA"))
return self._append_parts(path)
@property
def user_config_dir(self) -> str:
""":return: config directory tied to the user, same as `user_data_dir`"""
return self.user_data_dir
@property
def site_config_dir(self) -> str:
""":return: config directory shared by the users, same as `site_data_dir`"""
return self.site_data_dir
@property
def user_cache_dir(self) -> str:
"""
:return: cache directory tied to the user (if opinionated with ``Cache`` folder within ``$appname``) e.g.
``%USERPROFILE%\\AppData\\Local\\$appauthor\\$appname\\Cache\\$version``
"""
path = os.path.normpath(get_win_folder("CSIDL_LOCAL_APPDATA"))
return self._append_parts(path, opinion_value="Cache")
@property
def user_state_dir(self) -> str:
""":return: state directory tied to the user, same as `user_data_dir`"""
return self.user_data_dir
@property
def user_log_dir(self) -> str:
"""
:return: log directory tied to the user, same as `user_data_dir` if not opinionated else ``Logs`` in it
"""
path = self.user_data_dir
if self.opinion:
path = os.path.join(path, "Logs")
return path
@property
def user_documents_dir(self) -> str:
"""
:return: documents directory tied to the user e.g. ``%USERPROFILE%\\Documents``
"""
return os.path.normpath(get_win_folder("CSIDL_PERSONAL"))
@property
def user_runtime_dir(self) -> str:
"""
:return: runtime directory tied to the user, e.g.
``%USERPROFILE%\\AppData\\Local\\Temp\\$appauthor\\$appname``
"""
path = os.path.normpath(os.path.join(get_win_folder("CSIDL_LOCAL_APPDATA"), "Temp"))
return self._append_parts(path)
def get_win_folder_from_env_vars(csidl_name: str) -> str:
"""Get folder from environment variables."""
if csidl_name == "CSIDL_PERSONAL": # does not have an environment name
return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Documents")
env_var_name = {
"CSIDL_APPDATA": "APPDATA",
"CSIDL_COMMON_APPDATA": "ALLUSERSPROFILE",
"CSIDL_LOCAL_APPDATA": "LOCALAPPDATA",
}.get(csidl_name)
if env_var_name is None:
raise ValueError(f"Unknown CSIDL name: {csidl_name}")
result = os.environ.get(env_var_name)
if result is None:
raise ValueError(f"Unset environment variable: {env_var_name}")
return result
def get_win_folder_from_registry(csidl_name: str) -> str:
"""Get folder from the registry.
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.
"""
shell_folder_name = {
"CSIDL_APPDATA": "AppData",
"CSIDL_COMMON_APPDATA": "Common AppData",
"CSIDL_LOCAL_APPDATA": "Local AppData",
"CSIDL_PERSONAL": "Personal",
}.get(csidl_name)
if shell_folder_name is None:
raise ValueError(f"Unknown CSIDL name: {csidl_name}")
import winreg
key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders")
directory, _ = winreg.QueryValueEx(key, shell_folder_name)
return str(directory)
def get_win_folder_via_ctypes(csidl_name: str) -> str:
"""Get folder with ctypes."""
csidl_const = {
"CSIDL_APPDATA": 26,
"CSIDL_COMMON_APPDATA": 35,
"CSIDL_LOCAL_APPDATA": 28,
"CSIDL_PERSONAL": 5,
}.get(csidl_name)
if csidl_const is None:
raise ValueError(f"Unknown CSIDL name: {csidl_name}")
buf = ctypes.create_unicode_buffer(1024)
windll = getattr(ctypes, "windll") # noqa: B009 # using getattr to avoid false positive with mypy type checker
windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf)
# Downgrade to short path name if it has highbit chars.
if any(ord(c) > 255 for c in buf):
buf2 = ctypes.create_unicode_buffer(1024)
if windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024):
buf = buf2
return buf.value
def _pick_get_win_folder() -> Callable[[str], str]:
if hasattr(ctypes, "windll"):
return get_win_folder_via_ctypes
try:
import winreg # noqa: F401
except ImportError:
return get_win_folder_from_env_vars
else:
return get_win_folder_from_registry
get_win_folder = lru_cache(maxsize=None)(_pick_get_win_folder())
__all__ = [
"Windows",
]
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