importrequestsfromrequests.exceptionsimportTimeout,RequestExceptionfromretryingimportretry# 重试装饰器@retry(stop_max_attempt_number=3,wait_fixed=1000)defmake_request():try:response=requests.get('https://www.example.
defemit(self,record):msg=MIMEText(self.format(record))msg['Subject']=self.subject msg['From']=self.from_addr msg['To']=self.to_addrwithsmtplib.SMTP(self.mailhost)asserver:server.sendmail(self.from_addr,[self.to_addr],msg.as_string())# 配置邮件处理程序 mail_handler=EmailHandler(mailhos...
text=json.dumps(body) returntext @override defget_headers(self, environ=None, scope=None): """Get a list of headers. 返回给前端表示数据接收方式为json """ return[('Content-Type','application/json; charset=utf-8')] 我们自己创建了一个APIException类,其中data是放在返回的json中,当抛出这个异常...
""" # Define a pair of simple exceptions for error handling class ShapeError(Exception): pass class FieldError(Exception): pass import arcpy import os try: # Get the input feature class and make sure it contains polygons input = arcpy.GetParameterAsText(0) desc = arcpy.Describe(input) if...
response1 = requests.get(url1,headers = headers) #获取股票列表数据 df1 = response1.text ...
logging.exception(e)finally:file.close()2.使用上下文管理器，with open(...) as f 第二种方法是使用上下文管理器。若你对此不太熟悉，还请查阅Dan Bader用Python编写的上下文管理器和“ with”语句。用withopen() as f实现了使用__enter__ 和 __exit__ 方法来打开和关闭文件。此外，它将try / finally...
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url='https://www.baidu.com'print(get_page(url))if__name__=='__main__': main() 1.3 用户自定义异常 此外,你也可以通过创建一个新的异常类拥有自己的异常,异常应该是通过直接或间接的方式继承自Exception类。下面创建了一个MyError类,基类为Exception,用于在异常触发时输出更多的信息。
from requests.exceptions import RequestException def save_website_title(url, filename): try: resp = requests.get(url) except RequestException as e: print(f'save failed: unable to get page content: {e}') return False # 这段正则操作本身就是不应该抛出异常的,所以我们没必要使用 try 语句块 #...
我还做了其他优化来简化代码。首先使用pip install seleniumbase，然后使用python运行以下脚本：