feat: support setup.py, custom requirements.txt on cli python docker

docker/docker-python-entrypoint.sh

@@ -2,9 +2,50 @@
 
 virtualenv -p python snyk
 source snyk/bin/activate
+
+exitWithMsg() {
+    echo "Failed to run the process ..."
+
+    if [ -f "$1" ]; then
+        cat "$1"
+    else
+        echo "$1"
+    fi
+
+    exit "$2"
+}
+
+PROJECT_SUBDIR=""
+echo "Project path = ${PROJECT_PATH}"
+if [ -n "${TARGET_FILE}" ]; then
+    if [ ! -f "${PROJECT_PATH}/${PROJECT_FOLDER}/${TARGET_FILE}" ]; then
+        exitWithMsg "\"${PROJECT_PATH}/${PROJECT_FOLDER}/${TARGET_FILE}\" does not exist" 1
+    fi
+
+    PROJECT_SUBDIR=$(dirname "${TARGET_FILE}")
+    MANIFEST_NAME=$(basename "${TARGET_FILE}")
+    TEST_SETTINGS="--file=${MANIFEST_NAME} "
+
+    echo "Target file = ${TARGET_FILE}"
+
+    case $MANIFEST_NAME in
+    *req*.txt)
+        echo "Installing dependencies from requirements file"
+        pip install -U -r "${PROJECT_PATH}/$MANIFEST_NAME"
+        ;;
+    *setup.py)
+        echo "Installing dependencies from setup.py"
+        pip install -U -e "${PROJECT_PATH}"
+        ;;
+    *)
+        exitWithMsg "\"${PROJECT_PATH}/${TARGET_FILE}\" is not supported" 1
+        ;;
+    esac
+fi
+
 if [ -f "${PROJECT_PATH}/requirements.txt" ]; then
+    echo "Found requirement.txt"
     pip install -U -r "${PROJECT_PATH}/requirements.txt"
-elif [ -f "${PROJECT_PATH}/setup.py" ]; then
-    pip install -U "${PROJECT_PATH}"
 fi
+
 bash docker-entrypoint.sh "$@"