"This module provides access to some objects used or maintained by the\ninterpreter and to functions that interact stronglywiththe interpreter.\n\nDynamic objects:\n\nargv--command line arguments;argv[0]is the script pathnameifknown\npath--module search path;path[0]is the script directory,else...
page = BeautifulSoup(result.text,'html.parser') search_text(source_link, page, text)returnget_links(parsed_source, page)defget_links(parsed_source, page):'''Retrieve the links on the page'''links = []forelementinpage.find_all('a'): link = element.get('href')# Validate is a valid ...
The collections module provides a deque object that is like a list with faster appends and pops from the left side but slower lookups in the middle. These objects are well suited for implementing queues and breadth first tree searches:
如果它等于requests.codes.ok的值,那么一切顺利 ➋。(顺便说一下,HTTP 协议中“OK”的状态代码是 200。您可能已经熟悉“未找到”的 404 状态代码。)你可以在en.wikipedia.org/wiki/List_of_HTTP_status_codes找到 HTTP 状态码及其含义的完整列表。 如果请求成功,下载的网页将作为字符串存储在Response对象的text...
sys.argv 命令行参数List,第一个元素是程序本身路径 sys.exit(n) 退出程序,正常退出时exit(0) sys.version 获取Python解释程序的版本信息 sys.maxint 最大的Int值 sys.path 返回模块的搜索路径,初始化时使用PYTHONPATH环境变量的值 sys.platform 返回操作系统平台名称 ...
re.search()函数的语法如下: re.search(pattern, string, flags=0) 前面我们用re.match()在'Test match() function of regular expression.'这个字符串中尝试匹配'function'这个字串内容不成功,因为'function'不在该字符串的起始位置。这里我们改用re.search()来匹配。 >>>import re >>> test ='Test search...
A Counter is a dict subclass for counting hashable objects. It is a collection where elements are stored as dictionary keys and their counts are stored as dictionary values. Counts are allowed to be any integer value including zero or negative counts. The Counter class is similar to bags or ...
Return a list of 3-element tuples, each describing a particular type of module. Each triple has the form (suffix, mode, type), where suffix is a string to be appended to the module name to form the filename to search for, mode is the mode string to pass to the built-in open() ...
Maps Search clients raise exceptions defined in Azure Core. This list can be used for reference to catch thrown exceptions. To get the specific error code of the exception, use the error_code attribute, i.e, exception.error_code. Logging This library uses the standard logging library for logg...
AttributeDescription function_directory The directory in which the function is running. function_name The name of the function. invocation_id The ID of the current function invocation. thread_local_storage The thread local storage of the function. Contains a local invocation_id for logging from crea...