• 新興科技物聯網應用─使用樹莓派

圖片上傳

• 講義

• 網站原始碼

  https://github.com/jeankao/plant

  上傳表單

  http://drweb.nksh.tp.edu.tw/upload/

  機器人程式：將圖片用程式上傳到網站

  import requests
  from html.parser import HTMLParser
  
  # Helper class to parse CSRF token from response
  class CSRFTokenParser(HTMLParser):
      csrftoken = ""
      def handle_starttag(self, tag, attrs):
          if tag == "input": 
              keep = False
              for attr in attrs:
                  if attr[0] == 'name' and attr[1] == 'csrfmiddlewaretoken':
                      keep = True
                  elif attr[0] == 'value' and keep:
                      self.csrftoken = attr[1]
  
      def get_token(self):
          return self.csrftoken
  
  # ---------------------------------------------------------------------------
  
  # Upload Data configuration
  test_url = 'http://drweb.nksh.tp.edu.tw/upload/'
  mac_addr = '00:00:00:00:00:00'
  upload_file_path = '2-Blog-HeroImage-1024x576.png'  # file to upload
  
  # Phase 1: Get CSRF Token & cookies
  rs = requests.session()
  response = rs.get(test_url)
  
  parser = CSRFTokenParser()
  parser.feed(response.text)
  
  # Phase 2: Upload file
  upload_data = {
      'csrfmiddlewaretoken': (None, parser.get_token()), 
      'mac_address': (None, mac_addr), 
      'image': ('img.png', open(upload_file_path, 'rb'), 'image/png'),
  }
  
  response = requests.post(test_url, files = upload_data, cookies = response.cookies)
  
  # Debug output
  
  out = open("result.html", "w")
  out.write(response.text)
  out.close()
  print(response.text)