Function key_or_false

setup.py:70–71

(k)

driver_project_data = pyproject_data["tool"]["cassandra-driver"]

def key_or_false(k):
    return driver_project_data[k] if k in driver_project_data else False

try_murmur3 = key_or_false("build-murmur3-extension") and is_supported
try_libev = key_or_false("build-libev-extension") and is_supported