def get(cls, binary=None):
# type: (Optional[str]) -> PythonIdentity
# N.B.: We should not need to look past `sys.executable` to learn the current interpreter's
# executable path, but on OSX there has been a bug where the `sys.executable` reported is
# _not_ the path of the current interpreter executable:
# https://bugs.python.org/issue22490#msg283859
# That case is distinguished by the presence of a `__PYVENV_LAUNCHER__` environment
# variable as detailed in the Python bug linked above.
if binary and binary != sys.executable and "__PYVENV_LAUNCHER__" not in os.environ:
# Here we assume sys.executable is accurate and binary is something like a pyenv shim.
binary = sys.executable
supported_tags = tuple(tags.sys_tags())
preferred_tag = supported_tags[0]
return cls(
binary=binary or sys.executable,
prefix=sys.prefix,
base_prefix=(
# Old virtualenv (16 series and lower) sets `sys.real_prefix` in all cases.
getattr(sys, "real_prefix", None)
# Both pyvenv and virtualenv 20+ set `sys.base_prefix` as per
# https://www.python.org/dev/peps/pep-0405/.
or getattr(sys, "base_prefix", sys.prefix)),
python_tag=preferred_tag.interpreter,
abi_tag=preferred_tag.abi,
platform_tag=preferred_tag.platform,
version=sys.version_info[:3],
supported_tags=supported_tags,
env_markers=markers.default_environment(),
)
def get(cls):
supported_tags = tuple(tags.sys_tags())
preferred_tag = supported_tags[0]
return cls(python_tag=preferred_tag.interpreter,
abi_tag=preferred_tag.abi,
platform_tag=preferred_tag.platform,
version=sys.version_info[:3],
supported_tags=supported_tags,
env_markers=markers.default_environment())
def get(cls, binary=None):
# type: (Optional[str]) -> PythonIdentity
# N.B.: We should not need to look past `sys.executable` to learn the current interpreter's
# executable path, but on OSX there has been a bug where the `sys.executable` reported is
# _not_ the path of the current interpreter executable:
# https://bugs.python.org/issue22490#msg283859
# That case is distinguished by the presence of a `__PYVENV_LAUNCHER__` environment
# variable as detailed in the Python bug linked above.
if binary and binary != sys.executable and "__PYVENV_LAUNCHER__" not in os.environ:
# Here we assume sys.executable is accurate and binary is something like a pyenv shim.
binary = sys.executable
supported_tags = tuple(tags.sys_tags())
preferred_tag = supported_tags[0]
return cls(
binary=binary or sys.executable,
python_tag=preferred_tag.interpreter,
abi_tag=preferred_tag.abi,
platform_tag=preferred_tag.platform,
version=sys.version_info[:3],
supported_tags=supported_tags,
env_markers=markers.default_environment(),
)