def _infer_user():
# type: () -> str
"""Try to find a user scheme for the current platform."""
suffixed = f"{os.name}_user"
if suffixed in _AVAILABLE_SCHEMES:
return suffixed
if "posix_user" not in _AVAILABLE_SCHEMES: # User scheme unavailable.
raise UserInstallationInvalid()
return "posix_user"
def _infer_user() -> str:
"""Try to find a user scheme for the current platform."""
if _HAS_PREFERRED_SCHEME_API:
return sysconfig.get_preferred_scheme("user") # type: ignore
if is_osx_framework() and not running_under_virtualenv():
suffixed = "osx_framework_user"
else:
suffixed = f"{os.name}_user"
if suffixed in _AVAILABLE_SCHEMES:
return suffixed
if "posix_user" not in _AVAILABLE_SCHEMES: # User scheme unavailable.
raise UserInstallationInvalid()
return "posix_user"