fix: Fixed issue with zip renaming on Windows platform (claranet#32)

Author: ahlinc

package.py

@@ -29,6 +29,9 @@
 PY37 = sys.version_info >= (3, 7)
 PY36 = sys.version_info >= (3, 6)
 
+WINDOWS = platform.system() == 'Windows'
+OSX = platform.system() == 'Darwin'
+
 ################################################################################
 # Logging
 
@@ -291,11 +294,12 @@ def open(self):
         return self
 
     def close(self, failed=False):
+        self._zip.close()
+        self._zip = None
         if failed:
             os.unlink(self._tmp_filename)
         else:
             os.replace(self._tmp_filename, self.filename)
-        self._zip = None
 
     def __enter__(self):
         return self.open()
@@ -845,10 +849,14 @@ def install_pip_requirements(query, requirements_file):
         target_file = os.path.join(temp_dir, requirements_filename)
         shutil.copyfile(requirements_file, target_file)
 
+        python_exec = runtime
+        if WINDOWS and not docker:
+            python_exec = 'python.exe'
+
         # Install dependencies into the temporary directory.
         with cd(temp_dir):
             pip_command = [
-                runtime, '-m', 'pip',
+                python_exec, '-m', 'pip',
                 'install', '--no-compile',
                 '--prefix=', '--target=.',
                 '--requirement={}'.format(requirements_filename),

package.tf

@@ -1,9 +1,13 @@
+locals {
+  python = (substr(pathexpand("~"), 0, 1) == "/") ? "python3" : "python.exe"
+}
+
 # Generates a filename for the zip archive based on the content of the files
 # in source_path. The filename will change when the source code changes.
 data "external" "archive_prepare" {
   count = var.create && var.create_package ? 1 : 0
 
-  program     = ["python3", "${path.module}/package.py", "prepare"]
+  program     = [local.python, "${path.module}/package.py", "prepare"]
   working_dir = path.cwd
 
   query = {
@@ -52,7 +56,7 @@ resource "null_resource" "archive" {
 
   provisioner "local-exec" {
     interpreter = [
-      "python3", "${path.module}/package.py", "build",
+      local.python, "${path.module}/package.py", "build",
       "--timestamp", data.external.archive_prepare[0].result.timestamp
     ]
     command     = data.external.archive_prepare[0].result.build_plan_filename