implement pylist, fixes #2

Reviewed-on: #4

jconf

@@ -47,7 +47,7 @@ fi
 
 cmd=$1
 case "$cmd" in
-    adduser)
+    adduser|mku)
         USER=$(echo "$2" | tr "[:upper:]" "[:lower:]")
         exist=$(awk -F: -v username="$USER" '{if ($1 == username && $3 >= 1000 && $1 != "nobody") {print 1; found=1; exit}} END {if (!found) print 0}' /etc/passwd)
         if [ "$exist" -eq  1 ]; then
@@ -71,7 +71,7 @@ case "$cmd" in
         fi
         exit 1
         ;;
-    deluser)
+    deluser|rmu)
         USER=$(echo "$2" | tr "[:upper:]" "[:lower:]")
         exist=$(awk -F: -v username="$USER" '{if ($1 == username && $3 >= 1000 && $1 != "nobody") {print 1; found=1; exit}} END {if (!found) print 0}' /etc/passwd)
         if [ "$exist" -eq  0 ]; then

penv

@@ -19,6 +19,7 @@ usage() {
     # echo " - setdef <name>            - Use an existing environment as the default kernel"
     echo " - activate <name>          - Activates an existing environment (depricated, use pact)"
     echo " - list                     - List available environments"
+    echo " - pylist                   - List available PYTHON versions"
     echo " - install                  - Initialize user's profile"
     echo " - uninstall                - Remove ALL the environments installed using PENV"
     echo " - help                     - Print this message"
@@ -28,6 +29,7 @@ usage() {
     echo " - del      -> rm"
     # echo " - setdef   -> sd"
     echo " - activate -> ac, act"
+    echo " - pylist   -> pyls"
     echo " - list     -> ls"
 }
 
@@ -62,8 +64,8 @@ create(){
     mkdir -p "$HOME"/.envs
     /usr/bin/python"$vers" -m venv "$HOME"/.envs/"$name"
     source "$HOME"/.envs/"$name"/bin/activate
-    python -m pip install ipykernel ipywidgets > /dev/stderr
-    python -m ipykernel install --user --name "$name" > /dev/stderr
+    python -m pip install ipykernel ipywidgets
+    python -m ipykernel install --user --name "$name"
     echo
     echo "Created \"$name\". It should be available as a Jupyter Kernel."
     echo "Use \"pact $name\" to activate in command line."
@@ -130,6 +132,7 @@ install() {
         echo PENV already installed
         exit 10
     fi
+    mkdir -p "$HOME/.local/bin"
     cp $(realpath "$0") "$HOME"/.local/bin/
     mkdir -p "$HOME"/.envs/
     echo "
@@ -176,6 +179,10 @@ uninstall() {
     echo "Uninstalled PENV"
 }
 
+pyls(){
+    ls /usr/bin/python3.* /usr/local/bin/python3.* 2> /dev/null | tr " " "\n" | grep "3.*" --color=always
+}
+
 if [ "$#" -lt 1 ]; then
     title
     usage
@@ -186,20 +193,23 @@ cmd=$1
 
 case "$cmd" in
     new|mk)
-        create "$2" "$3"
+        create "$(echo "$2" | tr "[:upper:]" "[:lower:]")" "$3"
         ;;
     del|rm)
-        delete "$2"
+        delete "$(echo "$2" | tr "[:upper:]" "[:lower:]")"
         ;;
     # setdef|sd)
     #     setdef $2
     #     ;;
     act|ac)
-        activate "$2"
+        activate "$(echo "$2" | tr "[:upper:]" "[:lower:]")"
         ;;
     list|ls)
         list
         ;;
+    pylist|pyls)
+        pyls
+        ;;
     help)
         title
         usage