generate_ddl.py 文件源码

def generate(self, template_path, source_json_path, output_path):
        print("Generating content at %s with template at %s, using key %s" % (
            output_path, template_path, self.key_name))
        data = []
        with open(source_json_path) as f:
            for line in f:
                json_line = json.loads(line)
                data_line = '(\'%s\',\n\'%s\')' % (
                    json_line[self.key_name], json.dumps(json_line))
                data.append(str(data_line))
        print(data)
        with open(template_path) as f:
            template = f.read()
        with open(output_path, 'w') as write_file:
            write_file.write(template)
            for record in data:
                write_file.write(record)
                write_file.write(',\n')
            write_file.seek(-2, 1)
            write_file.truncate()
            write_file.write(';')