deals with docker container cases

Author: Mayankm96

isaaclab.sh

@@ -24,28 +24,40 @@ export ISAACLAB_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && p
 
 # extract isaac sim path
 extract_isaacsim_path() {
-    # Check if IsaacSim directory manually specified
-    # Note: for manually build isaacsim, this: _build/linux-x86_64/release
-    if [ ! -z ${ISAACSIM_PATH} ];
-    then
-        # Use local build (for internal development) or user specified path
-        local isaac_path=${ISAACSIM_PATH}
-    else
-        # Check if we have pip package installed
-        if [ $(pip list | grep -c 'isaacsim-rl') ]; then
-            # Use the python executable to get the path
-            local python_exe=$(extract_python_exe)
-            # Retrieve the path importing isaac sim and getting the environment path
+    # Check if we have pip package installed inside conda environment
+    if ! [[ -z "${CONDA_PREFIX}" ]]; then
+        # Use the python executable to get the path
+        local python_exe=${CONDA_PREFIX}/bin/python
+        # Retrieve the path importing isaac sim and getting the environment path
+        if [ $(${python_exe} -m pip list | grep -c 'isaacsim-rl') ]; then
             local isaac_path=$(${python_exe} -c "import isaacsim; import os; print(os.environ['ISAAC_PATH'])")
         else
-            # Use the sym-link path to Isaac Sim directory
-            local isaac_path=${ISAACLAB_PATH}/_isaac_sim
+            # If package not installed, use an empty path for failure
+            local isaac_path=''
         fi
+    elif command -v python &> /dev/null; then
+        # Use the python executable to get the path
+        local python_exe=$(which python)
+        # Retrieve the path importing isaac sim and getting the environment path
+        if [ $(${python_exe} -m pip list | grep -c 'isaacsim-rl') ]; then
+            local isaac_path=$(${python_exe} -c "import isaacsim; import os; print(os.environ['ISAAC_PATH'])")
+        else
+            # If package not installed, use an empty path for failure
+            local isaac_path=''
+        fi
+    else
+        # Use the sym-link path to Isaac Sim directory
+        local isaac_path=${ISAACLAB_PATH}/_isaac_sim
     fi
     # check if there is a path available
     if [ ! -d "${isaac_path}" ]; then
-        echo "[ERROR] No Isaac Sim directory found at path: ${isaac_path}" >&2
-        echo "[ERROR] Please specify the path to the Isaac Sim directory using 'ISAACSIM_PATH' environment variable." >&2
+        # throw an error if no path is found
+        echo -e "[ERROR] Unable to find the Isaac Sim directory: '${isaac_path}'" >&2
+        echo -e "\tThis could be due to the following reasons:" >&2
+        echo -e "\t1. Conda environment is not activated." >&2
+        echo -e "\t2. Isaac Sim pip package 'isaacsim-rl' is not installed." >&2
+        echo -e "\t3. Isaac Sim directory is not available at the default path: ${ISAACLAB_PATH}/_isaac_sim" >&2
+        # exit the script
         exit 1
     fi
     # return the result
@@ -58,27 +70,33 @@ extract_python_exe() {
     if ! [[ -z "${CONDA_PREFIX}" ]]; then
         # use conda python
         local python_exe=${CONDA_PREFIX}/bin/python
-    else
-        # check if pip package is installed
-        if [ $(pip list | grep -c 'isaacsim-rl') ]; then
-            # use current python executable
+    elif command -v python &> /dev/null; then
+        # use the python executable to get the path
+        if [ $(${python_exe} -m pip list | grep -c 'isaacsim-rl') ]; then
             local python_exe=$(which python)
         else
-            # obtain the isaac sim path
-            local isaac_path=$(extract_isaacsim_path)
-            # use python from kit
-            local python_exe=${isaac_path}/python.sh
+            # leave a blank path for failure
+            local python_exe=''
         fi
+    else
+        # obtain the isaac sim path
+        local isaac_path=$(extract_isaacsim_path)
+        # use python from kit
+        local python_exe=${isaac_path}/python.sh
     fi
     # check if there is a python path available
     if [ ! -f "${python_exe}" ]; then
-        echo "[ERROR] No python executable found at path: ${python_exe}" >&2
+        echo -e "[ERROR] Unable to find any Python executable at path: '${python_exe}'" >&2
+        echo -e "\tThis could be due to the following reasons:" >&2
+        echo -e "\t1. Conda environment is not activated." >&2
+        echo -e "\t2. Isaac Sim pip package 'isaacsim-rl' is not installed." >&2
+        echo -e "\t3. Python executable is not available at the default path: ${ISAACLAB_PATH}/_isaac_sim/python.sh" >&2
         exit 1
     fi
     # kit dependencies are built with python 3.10 so any other version will not work
     # this is needed in case users have multiple python versions installed and the wrong one is being used
     if [ "$(${python_exe} --version | grep -c '3.10')" -eq 0 ]; then
-        echo "[ERROR] Found version: $(${python_exe} --version) while expecting 3.10. Please use the correct python version." >&2
+        echo "[ERROR] Found Python version: $(${python_exe} --version) while expecting 3.10. Please use the correct python version." >&2
         exit 1
     fi
     # return the result
@@ -261,8 +279,6 @@ while [[ $# -gt 0 ]]; do
             fi
             # install the rl-frameworks specified
             ${python_exe} -m pip install -e ${ISAACLAB_PATH}/source/extensions/omni.isaac.lab_tasks["${framework_name}"]
-            # setup vscode settings
-            update_vscode_settings
             # unset local variables
             unset extract_python_exe
             unset install_isaaclab_extension