19.8. binascii — バイナリデータと ASCII データとの間での変換 — Python 3.6.5 ドキュメント
binascii — Convert between binary and ASCII¶ The binascii module contains a number of methods to convert between binary and various ASCII-encoded binary representations. Normally, you will not use these functions directly but use wrapper modules like uu or base64 instead. The binascii module contains low-level functions written in C for greater speed that are used by the higher-level modules. Note
__main__ — Top-level code environment
__main__ — Top-level code environment¶ In Python, the special name __main__ is used for two important constructs: the name of the top-level environment of the program, which can be checked using the __name__ == '__main__' expression; and the __main__.py file in Python packages. Both of these mechanisms are related to Python modules; how users interact with them and how they interact with each othe
Logging HOWTO — Python 3.3.7 documentation
Logging HOWTO¶ Author: Vinay Sajip <vinay_sajip at red-dove dot com> This page contains tutorial information. For links to reference information and a logging cookbook, please see Other resources. Basic Logging Tutorial¶ Logging is a means of tracking events that happen when some software runs. The software’s developer adds logging calls to their code to indicate that certain events have occurred.
stdlib.html
10. Brief Tour of the Standard Library¶ 10.1. Operating System Interface¶ The os module provides dozens of functions for interacting with the operating system: >>> import os >>> os.getcwd() # Return the current working directory 'C:\\Python312' >>> os.chdir('/server/accesslogs') # Change current working directory >>> os.system('mkdir today') # Run the command mkdir in the system shell 0 Be sure to
subprocess — Subprocess management
Availability: not Emscripten, not WASI. This module does not work or is not available on WebAssembly platforms wasm32-emscripten and wasm32-wasi. See WebAssembly platforms for more information. Using the subprocess Module¶ The recommended approach to invoking subprocesses is to use the run() function for all use cases it can handle. For more advanced use cases, the underlying Popen interface can b
socket — Low-level networking interface
socket — Low-level networking interface¶ Source code: Lib/socket.py This module provides access to the BSD socket interface. It is available on all modern Unix systems, Windows, MacOS, and probably additional platforms. Note Some behavior may be platform dependent, since calls are made to the operating system socket APIs. Availability: not Emscripten, not WASI. This module does not work or is not
json — JSON encoder and decoder
json — JSON encoder and decoder¶ Source code: Lib/json/__init__.py JSON (JavaScript Object Notation), specified by RFC 7159 (which obsoletes RFC 4627) and by ECMA-404, is a lightweight data interchange format inspired by JavaScript object literal syntax (although it is not a strict subset of JavaScript [1] ). Warning Be cautious when parsing JSON data from untrusted sources. A malicious JSON strin
urllib.request — Extensible library for opening URLs
urllib.request — Extensible library for opening URLs¶ Source code: Lib/urllib/request.py The urllib.request module defines functions and classes which help in opening URLs (mostly HTTP) in a complex world — basic and digest authentication, redirections, cookies and more. Warning On macOS it is unsafe to use this module in programs using os.fork() because the getproxies() implementation for macOS u
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