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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _generate(self):
 """ Generate the Python code. """


        needs_close = False

        if sys.hexversion >= 0x03000000:
            if self._opts.output == '-':
                from io import TextIOWrapper

                pyfile = TextIOWrapper(sys.stdout.buffer, encoding='utf8')
            else:
                pyfile = open(self._opts.output, 'wt', encoding='utf8')
                needs_close = True
        else:
            if self._opts.output == '-':
                pyfile = sys.stdout
            else:
                pyfile = open(self._opts.output, 'wt')
                needs_close = True

        import_from = self._opts.import_from

        if import_from:
            from_imports = True
        elif self._opts.from_imports:
            from_imports = True
            import_from = '.'
        else:
            from_imports = False

        compileUi(self._ui_file, pyfile, self._opts.execute, self._opts.indent,
                from_imports, self._opts.resource_suffix, import_from)

        if needs_close:
            pyfile.close()