from jinja2 import Environment, FileSystemLoader
import json


def generate_html(data):
  env = Environment(loader=FileSystemLoader('./'))  # 加载模板
  template = env.get_template('模板.html')
  # template.stream(body).dump('result.html', 'utf-8')

  with open("result.html", 'w') as fout:

    html_content = template.render(data={})
    fout.write(html_content)  # 写入模板 生成html 

if __name__ == "__main__":
  result = {}
  generate_html(result)

#### 脚本执行 添加进度信息ff = open('1.txt','w')


def open_file(file_name):
  try:
    with open(file_name,'a+')as f: # 例如打开一个大文件
      fsize = os.path.getsize(file_name)  # 先计算大文件大小
      line_list_size = 0

      for line_list in f:  
        line_list_size += sys.getsizeof(line_list) # 计算处理文件大小
        done = int(float(line_list_size)/ fsize*10)  # 计算进度
        sys.stdout.write("\r[%s%s] %d%%" % ('█' * done*2, ' ' * (20 - done*2), 10 * done))
        sys.stdout.flush() # 刷新到控制台
        
  except Exception, e:
    print e
    return '文件操作失败'
if __name__ == "__main__":
  file_name = '235'
  print '---- start ----'
  open_file(file_name)
  print '\n---- end ----'