Python: Print Version String from Script

By Xah Lee. Date: . Last updated: .

Print version from the command line:

python --version

Print version from within a script:

#-*- coding: utf-8 -*-
# python

import sys
print sys.version

# 2.7.3 (default, Sep 26 2013, 20:03:06)
# [GCC 4.6.3]

Printing version from script is a important technique to find out which version your script is running. Because, you might have several version installed, and in terminal, there are aliases, links, path environment variables, various shell init scripts, that effect which Python version will start when you type python in shell.

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Python by Example

  1. Python Basics
  2. Print Version String
  3. Builtin Help

String

  1. Quote String
  2. String Operations
  3. String Methods
  4. Format String

Branching, Loop

  1. True, False
  2. if then else
  3. for, while, Loops

List

  1. List Basics
  2. Loop Thru List
  3. Map Function to List
  4. List Comprehension
  5. List Methods

Dictionary

  1. Dictionary
  2. Loop Thru Dictionary
  3. Dictionary Methods

Function

  1. Function Parameter

Class

  1. Class and Object

Module

  1. List Modules
  2. Write a Module

Unicode

  1. Python + Unicode 🐍
  2. Process Unicode
  3. Convert File Encoding

Common Tasks

  1. Read/Write File
  2. Traverse Directory
  3. Complex Numbers
  4. Get Env Var
  5. JSON

Regex

  1. Regex Basics
  2. Split Line by Regex
  3. Regex Reference

Advanced

  1. Copy Nested List
  2. Tuple vs List
  3. Sets, Union, Intersection
  4. Closure in Python 2
  5. Decorator
  6. Append String in Loop
  7. Timing Functions with timeit
  8. Keyword Argument Default Value Unstable
  1. Find Python Script Path
  2. Manipulate Path
  3. Sort Matrix, Object

Find/Replace

  1. Find/Replace Strings on Multiple Files
  2. Find/Replace Multi-line Strings in a Dir
  3. Find/Replace Mulitple Pairs of Strings
  4. Find/Replace by Regex
  5. Find/Replace Strings in Unicode Files
  6. Python, Perl: Find/Replace Strings in a File

HTML/Web

  1. Sending Email
  2. GET Web Page
  3. Web Crawler
  4. HTTP POST
  1. A Script to check HTML file size
  2. Thumbnail Generation

Misc

  1. System Call
  2. Decompress Gzip

reference