Difference between revisions of "Applications/Python"
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Revision as of 16:26, 27 February 2018
Contents
Application Details
- Description: Python is a high-level interpreted programming language for general-purpose programming, supported by a large number of libraries for many tasks
- Versions: Python 2.7.11 and 3.5.1
- Module names: python/2.7.11 python/3.5.1
- License: Free to use - Python Software Foundation License
Usage Examples
Python is provided by the Anaconda package too
Interactive
Interactive with command line:
[username@c170 ~]$ module add python/anaconda/4.0/2.7 [username@c170 ~]$ python Python 2.7.5 (default, Nov 20 2015, 02:00:19) [GCC 4.8.5 20150623 (Red Hat 4.8.5-4)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>>
Interactive with command line with IPython:
[username@c170 ~]$ ipython Python 2.7.13 |Anaconda custom (64-bit)| (default, Dec 20 2016, 23:09:15) Type "copyright", "credits" or "license" for more information. IPython 5.1.0 -- An enhanced Interactive Python. ? -> Introduction and overview of IPython's features. %quickref -> Quick reference. help -> Python's own help system. object? -> Details about 'object', use 'object??' for extra details. In [1]:
Batch Submission
#!/bin/bash #SBATCH -J PythonTest # Job name, you can change it to whatever you want #SBATCH -N 1 # Number of nodes #SBATCH --ntasks-per-node 1 # Number of cores per node #SBATCH -o %N.%j.out # Standard output will be written here #SBATCH -e %N.%j.err # Standard error will be written here #SBATCH -p compute # Slurm partition, where you want the job to be queued module purge module add python/3.5.1 python PythonTest.py
This is then submitted as follows:
[username@login01 ~]$ sbatch Pythontest.job Submitted batch job 289522
Further Information
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Virtual Environments
A Python Virtual Environment allows users to create a custom environment/s in which they can have the packages, and versions of said packages that they require without having to have elevated user privileges on the system.