PyVirtEnv

#!/usr/bin/env bash

# Written By Woland

# A Script To Make New Python Virtual Enviorments & Install Packages
# Inside It With pip If Specified

# https://github.com/wolandark
# https://github.com/wolandark/BASH_Scripts_For_Everyone

# Help Message
if [ "$1" = "-o" ] || [ "$1" = "-h" ]; then
    echo -e "\n\t[Usage]: Run the Script With \$1 And If Needed, \$2, \$3 & \$4 etc ..."
    echo -e "\t       Where \$1 Is The First Argument And The New Virtual Env Name"
    echo -e "\t       And \$2 ... Is The Name Of An Optional Package/s To Be Installed With pip Into The Virtual Env\n"
    echo -e "\t[Example]: ./PyVirtEnv NewEnv PyQt5\n"
    echo -e "\tYou Should Also Place This Script In Your Home Directory"
    echo -e "\n\t[Setup]: "
    echo -e "\t       Run The Script With The [setup] As Argument To Setup Your SHELL, SH & BASH Are Supported"
    echo -e "\nFor More Info Visit: https://docs.python.org/3/library/venv.html"
    exit 0
fi


# Setup Argument To Echo The Function To Shellrc
if [ "$1" = "setup" ] && [ "$SHELL" = "/bin/bash" ]; then
    echo 'PyEnv() { ~/PyVirtEnv "$@"; source "$1/bin/activate"; cd "$1"; }' >> ~/.bashrc
    exit 0
else
    if [ "$1" = "setup" ] && [ "$SHELL" = "/bin/sh" ]; then
        echo 'PyEnv() { ~/PyVirtEnv "$@"; source "$1/bin/activate"; cd "$1"; }' >> ~/.shrc
        exit 0
    fi
fi

# Make Directory 
if [ -d $1 ]; then
    echo "Directory with this name exists in $PWD"
    exit 0
else
    mkdir $1
fi

# Setup Python Virtual Env & Source It
python3 -m venv "$1"
source "$1"/bin/activate

# Handling Arguments As Packages To Install At Once
shift
echo "Installing packages: " "$@"
pip install "$@"

# Priniting Info For The User
tput setaf 6; echo -e "\nYou Should run: source "$PWD"/"$1"/bin/activate"
tput setaf 1; echo -e "Your virtual env at "$PWD"/"$1" is ready for you!\n"
tput setaf 6; echo "Done!"
tput sgr0

exit 0