refactor: migrate to python

Author: cuchi

Dockerfile

@@ -1,5 +1,5 @@
 FROM dinutac/jinja2docker:2.1.3
 
-COPY entrypoint.sh /entrypoint.sh
+COPY entrypoint.py /entrypoint.py
 
-ENTRYPOINT ["/entrypoint.sh"]
+ENTRYPOINT ["/entrypoint.py"]

entrypoint.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+
+import os
+import re
+import subprocess
+
+flags = []
+
+variables = re.compile('\n+', re.MULTILINE).sub(
+    ',',
+    os.environ['INPUT_VARIABLES']
+)
+
+if os.environ.get('INPUT_STRICT') == 'true':
+    flags.append('--strict')
+
+flags.extend([
+    os.environ['INPUT_TEMPLATE'],
+    '-D', variables,
+    '-o', os.environ['INPUT_OUTPUT_FILE']
+])
+
+subprocess.run(['jinja2'] + flags)