"""Dependency related util methods."""
import sys
[docs]
def is_ursa_bbs_signatures_module_installed():
"""Check whether ursa_bbs_signatures module is installed.
Returns:
bool: Whether ursa_bbs_signatures is installed.
"""
try:
# Check if already imported
if "ursa_bbs_signatures" in sys.modules:
return True
# Try to import
import ursa_bbs_signatures # noqa: F401
return True
except ModuleNotFoundError:
# Not installed if import went wrong
return False
[docs]
def assert_ursa_bbs_signatures_installed():
"""Assert ursa_bbs_signatures module is installed."""
if not is_ursa_bbs_signatures_module_installed():
raise Exception("ursa_bbs_signatures module not installed")