'secrets' module in Python.

Devkant Swargiary — Tue, 23 Nov 2021 11:59:48 +0000

The secrets module is useful for generating random numbers which might be used as a password, security tokens etc. for the application. It is used to prevent against modifying cookies, forgery attacks.

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*Open the terminal and enter the command "python" *

python

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Import the secrets module

import secrets

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To generate a random string of characters

secrets.token_hex(16)

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** The generated 16 digit string **

The above generated secret key could be used in a web application as shown below :

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Virtual Environment walkaround and Flask installation

Devkant Swargiary — Sat, 20 Nov 2021 15:12:50 +0000

Imagine you live in your 1 room big house having the size of 40 feet by 50 feet. The house doesn't have any separate rooms and you live with your family. You want to make a video of yours practising playing guitar but you aren't able to follow the metronome ticks due to the distractions of the people moving in front of you.

What would be the viable solution to carry out the passion of playing guitar or recording it?

You might move to a separate room. But to construct a separate room it would put a dent on your wallet. How about you cordon off a small area with curtains? That would be feasible as well as it would help you in cutting off the distractions and you could carry on with your passion of playing the guitar and mastering it.

Virtual environment works in the same manner like the makeshift guitar practising room.

You could install packages and libraries and work on your projects without impacting the global environment.

To get started let's dive in ...

Open Terminal

Select the drive you want work on (Eg : I would be selecting Desktop)

cd Desktop

Create the directory (Eg : The directory created is Project)

mkdir Project

Get inside the Project folder

cd Project

Install the Virtual environment (Eg : 'project_env' as Virtual environment)

python3 -m venv Project_env

List out all the files in the Project folder

ls

List out all the packages which are installed

pip freeze

Activate the virtual environment

source project_env/bin/activate

The name of the Virtual environment comes in front after it's activation

Install a Python library say Flask

pip install flask

After Installation

Verifying the proper Installation

python

import flask

If no errors are shown then it means that the module has been installed correctly.