def login()

in awscli/customizations/codeartifact/login.py [0:0]
39 lines of code
7 McCabe index (conditional complexity)

    def login(self, dry_run=False):
        try:
            source_to_url_dict = self._get_source_to_url_dict()
        except OSError as ex:
            if ex.errno == errno.ENOENT:
                raise ValueError(
                    self._TOOL_NOT_FOUND_MESSAGE % self._get_tool_name()
                )
            raise ex

        nuget_index_url = self._NUGET_INDEX_URL_FMT.format(
            endpoint=self.repository_endpoint
        )
        source_name, already_exists = self._get_source_name(
            nuget_index_url, source_to_url_dict
        )

        if already_exists:
            command = self._get_configure_command(
                'update', nuget_index_url, source_name
            )
            source_configured_message = self._SOURCE_UPDATED_MESSAGE
        else:
            command = self._get_configure_command('add', nuget_index_url, source_name)
            source_configured_message = self._SOURCE_ADDED_MESSAGE

        if dry_run:
            dry_run_command = ' '.join([str(cd) for cd in command])
            uni_print(dry_run_command)
            uni_print('\n')
            return

        try:
            self.subprocess_utils.run(
                command,
                capture_output=True,
                check=True
            )
        except subprocess.CalledProcessError as e:
            uni_print('Failed to update the NuGet.Config\n')
            raise CommandFailedError(e, self.auth_token)

        uni_print(source_configured_message % source_name)
        self._write_success_message('nuget')