echo>&2 -e"\nFor more information, see pip documentation: https://pip.pypa.io/en/latest/"
exit 1;
}
virtualenv --version>/dev/null 2>&1 ||{
echo>&2 -e"\nvirtualenv is required but it's not installed."
echo>&2 -e"You can install it by running the following command:\n"
echo>&2 "sudo -H pip3 install virtualenv"
echo>&2 -e"\n"
echo>&2 -e"\nFor more information, see virtualenv documentation: https://virtualenv.pypa.io/en/latest/"
exit 1;
}
if[-z"$VIRTUAL_ENV"];then
echo>&2 -e"\nYou need activate a virtualenv first"
echo>&2 -e'If you do not have a virtualenv created, run the following command to create and automatically activate a new virtualenv named "venv" on current folder:\n'