def delegate_tools_bazel()

in bazelisk.py [0:0]

• 12 lines of code
• 7 McCabe index (conditional complexity)

def delegate_tools_bazel(bazel_path):
    """Match Bazel's own delegation behavior in the builds distributed by most
    package managers: use tools/bazel if it's present, executable, and not this
    script.
    """
    root = find_workspace_root()
    if root:
        wrapper = os.path.join(root, TOOLS_BAZEL_PATH)
        if os.path.exists(wrapper) and os.access(wrapper, os.X_OK):
            try:
                if not os.path.samefile(wrapper, __file__):
                    return wrapper
            except AttributeError:
                # Python 2 on Windows does not support os.path.samefile
                if os.path.abspath(wrapper) != os.path.abspath(__file__):
                    return wrapper
    return None