Merge pull request #92 from theodosisathanasakis/script

Script now supports Debian/Ubuntu, Arch, Fedora, CentOS/RHEL and OpenSUSE based distos

install_packages.sh

@@ -1,11 +1,51 @@
 #!/bin/bash
 
-# install python3 if not exist
-sudo apt-get install python3
+# Determine which is the default package manager
+APT=$(which apt)
+PACMAN=$(which pacman)
+DNF=$(which dnf)
+YUM=$(which yum)
+ZYPPER=$(which zypper)
 
+# install python3 and pip3 if not exist
+if [ ${#APT} -gt 0 ]; then
+    sudo apt-get install python3
+    sudo apt-get install python3-pip
+elif [ ${#PACMAN} -gt 0 ]; then
+    sudo pacman -S python3
+    sudo pacman -S python3-pip
+elif [ ${#DNF} -gt 0 ]; then
+    sudo dnf install python3
+    sudo dnf install python3-pip
+elif [ ${#YUM} -gt 0 ]; then
+    sudo yum install python3
+    sudo yum install python3-pip
+elif [ ${#ZYPPER} -gt 0 ]; then
+    sudo zypper install python3
+    sudo zypper install python3-pip
+else
+    echo "Unknown package manager. Download one of the following:"
+    echo "  apt, pacman, dnf, yum or zypper"
+    echo ""
+    echo "or use README.md for instructions."
+    exit 1
+fi
+
+    
 # install the all the necessery packages and requirements
-sudo apt-get install python3-pip
-sudo pip3 install --upgrade setuptools
-sudo pip3 install -r requirements.txt
+echo ''
+echo ''
+while true; do
+    echo 'Do you want dependencies to be installed globally (or locally) [Y/n]?'
+    read ans
+    if [[ ${#ans} -eq 0 || $ans = "Y" || $ans = "y" ]]; then
+        sudo pip3 install --upgrade setuptools
+        sudo pip3 install -r requirements.txt
+    elif [[ $ans = "N" || $ans = "n" ]]; then
+        sudo pip3 install --user --upgrade setuptools
+        sudo pip3 install --user -r requirements.txt
+    fi
 
+    [[ ${#ans} -eq 0 || $ans = "Y" || $ans = "y" || $ans = "N" || $ans = "n" ]] && break;
+done