Tut#14: A4 Prerequisites CPSC 501 Dr. J. Hudson University of - - PowerPoint PPT Presentation

Tut#14: A4 Prerequisites

CPSC 501

• Dr. J. Hudson

University of Calgary

Arshia Hosseini

T01/T02

Option 1: Virtual Environment

2

• Python “Virtual Environments” allow Python packages to be

installed in an isolated location for a particular application, rather than being installed globally.

• Imagine you have an application that needs version 1 of

LibFoo, but another application requires version 2. How can you use both these applications? If you install everything into /usr/lib/python3.6/site-packages (or whatever your platform’s standard location is), it’s easy to end up in a situation where you unintentionally upgrade an application that shouldn’t be upgraded.

Creating the venv

3

• CREATE VIRTUAL ENVIRONMENT
• python3 -m venv env
• ACTIVATE YOUR VIRTUAL ENVIRONMENT
• source env/bin/activate
• source env/bin/activate.csh
• DEACTIVATE YOUR VIRTUAL ENVIRONMENT
• deactivate env

Installing the required packages

4

• pip is a package manager for Python. That means it’s

a tool that allows you to install and manage additional libraries and dependencies that are not distributed as part of the standard library.

• pip install --upgrade pip
• pip install numpy
• pip install matplotlib
• pip install Pillow
• pip install pyscreenshot
• pip install tensorflow

Pandas

5

• Pandas is a column-oriented data analysis API. It's a

great tool for handling and analyzing input data, and many ML frameworks support pandasdata structures as inputs

• pip install tornado
• pip install nose
• pip install pandas

Option 2: An awesome alternative – Google Colab

6

• Colab allows you to write and execute Python in your

browser, with

• Zero configuration required
• Free access to GPUs
• Easy sharing
• a Colab notebook that lets you write text and code as

well as executing the codes.

7

• https://colab.research.google.com