20 Essential Python Libraries for Development and System Administration
This article introduces twenty frequently used Python libraries—including Requests, Scrapy, NumPy, matplotlib, and IPython—along with a curated list of system‑administration tools such as psutil, paramiko, Ansible, and SaltStack, explaining their core features and typical use cases.
Today I will introduce twenty Python libraries I use regularly and believe you will find indispensable after reading.
Requests : The most popular HTTP library by Kenneth Reitz, essential for every Python developer.
Scrapy : A must‑have framework for web crawling and scraping.
wxPython : A GUI toolkit that I prefer over tkinter.
Pillow : A friendly fork of the Python Imaging Library (PIL), useful for all image‑related work.
SQLAlchemy : A database toolkit with mixed reviews; use it at your discretion.
BeautifulSoup : Though slower, it is a beginner‑friendly HTML/XML parser.
Twisted : A powerful network application framework with an elegant API.
NumPy : Provides advanced mathematical functions for Python.
SciPy : Builds on NumPy to offer scientific computing tools.
matplotlib : A library for creating data visualizations, valuable for data scientists.
Pygame : Enables rapid development of 2D games.
Pyglet : A 3D animation and game engine, used by projects like Minecraft.
pyQT and pyGtk : GUI libraries for building desktop applications.
Scapy : A packet manipulation and analysis library.
pywin32 : Provides Windows API access for Python.
nltk : A versatile natural‑language processing toolkit.
nose : A widely used testing framework for Python.
SymPy : A pure‑Python library for symbolic mathematics.
IPython : An enhanced interactive shell with rich completion, history, and shell features.
Python System Administration Libraries:
1. psutil : Cross‑platform library for retrieving process and system utilization information.
2. IPy : Assists with IP address planning.
3. dnspython : DNS toolkit implemented in Python.
4. difflib : Standard module for comparing text differences.
5. filecmp : Built‑in module for comparing files and directories.
6. smtplib : Module for sending email.
7. pycurl : Python binding for libcurl, supporting FTP, HTTP, HTTPS, TELNET, etc.
8. XlsxWriter : Creates Excel files with text, numbers, formulas, and charts.
9. rrdtool : Generates time‑series graphs.
10. scapy : Interactive packet crafting and sniffing tool.
11. ClamAV (pyClamAV) : Interface to the ClamAV antivirus engine.
12. pexpect : Automates interactive command‑line programs (ssh, ftp, telnet, etc.).
13. paramiko : SSH2 protocol library for remote command execution and file transfer.
14. fabric : High‑level SSH command execution and deployment tool built on paramiko.
15. CGIHTTPRequestHandler : Enables CGI support.
16. ansible : Open‑source IT automation platform based on Python, using paramiko and PyYAML.
17. YAML : Human‑readable data serialization format.
18. playbook : Simple configuration management and multi‑host deployment system.
19. saltstack : Centralized infrastructure management platform built with Python and ZeroMQ.
20. func : Framework for building cluster management and monitoring systems.
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