fix: drop distutils (#106)

* fix: drop `distutils`

* fix: typo in README

modules/executable-dependency/README.md

@@ -25,7 +25,7 @@ page](https://github.com/gruntwork-io/terraform-aws-utilities/releases):
 
 ```hcl
 module "path" {
-  source = "git::[email protected]:gruntwork-io/terraform-aws-utilities.git//modules/join-path?ref=<VERSION>"
+  source = "git::[email protected]:gruntwork-io/terraform-aws-utilities.git//modules/executable-dependency?ref=<VERSION>"
   
   executable     = "kubergrunt"
   download_url   = "https://github.com/gruntwork-io/kubergrunt/releases/download/v0.5.13/kubergrunt"

modules/executable-dependency/download-dependency-if-necessary.py

@@ -5,7 +5,6 @@
 
 
 import sys
-import distutils.spawn
 import json
 import tempfile
 import os
@@ -15,6 +14,7 @@
 import logging
 import errno
 import argparse
+import shutil
 
 from urllib.request import urlretrieve
 
@@ -44,7 +44,7 @@ def main():
     executable_install_dir_path = os.path.join(args.install_dir, args.executable)
 
     # First, check if the executable is on the system PATH
-    executable_path = distutils.spawn.find_executable(args.executable)
+    executable_path = shutil.which(args.executable)
 
     # If it's not on the system PATH, check if it's in the install dir passed in by the user
     if not executable_path and os.path.isfile(executable_install_dir_path):

modules/require-executable/require_executable.py

@@ -17,7 +17,7 @@
 import json
 import logging
 import sys
-from distutils import spawn
+import shutil
 
 
 _ERROR_MESSAGE_EXECUTABLE_MARKER = "__EXECUTABLE_NAME__"
@@ -58,7 +58,7 @@ def main():
         if not executable.strip():
             continue
 
-        maybe_executable = spawn.find_executable(executable)
+        maybe_executable = shutil.which(executable)
         if not maybe_executable:
             not_found.append(executable)
         else: