def _should_enable_color()

in knack/cli.py [0:0]

• 13 lines of code
• 9 McCabe index (conditional complexity)

    def _should_enable_color(self):
        # When run in a normal terminal, color is only enabled when all conditions are met:
        #   1. [core] no_color config is not set
        #   2. stdout is a tty
        #      - Otherwise, if the downstream command doesn't support color, Knack will fail with
        #      BrokenPipeError: [Errno 32] Broken pipe, like `az --version | head --lines=1`
        #      https://github.com/Azure/azure-cli/issues/13413
        #      - May also hit https://github.com/tartley/colorama/issues/200
        #   3. stderr is a tty.
        #      - Otherwise, the output in stderr won't have LEVEL tag
        #   4. out_file is stdout

        no_color_config = self.config.getboolean('core', 'no_color', fallback=False)
        # If color is disabled by config explicitly, never enable color
        if no_color_config:
            self.init_debug_log.append("Color is disabled by config.")
            return False

        if sys.stdout.isatty() and sys.stderr.isatty() and self.out_file is sys.stdout:
            self.init_debug_log.append("Enable color in terminal.")
            return True

        if 'PYCHARM_HOSTED' in os.environ and sys.stdout == sys.__stdout__ and sys.stderr == sys.__stderr__:
            self.init_debug_log.append("Enable color in PyCharm.")
            return True

        self.init_debug_log.append("Cannot enable color.")
        return False