Refs #177 - Compile messages before building the package

Co-authored-by: Timo Ludwig <ti.ludwig@web.de>

Author: claudep

setup.py

@@ -1,11 +1,17 @@
 import os
+import subprocess
+import sys
 
 from setuptools import find_packages, setup
 
 
 def read(fname):
     return open(os.path.join(os.path.dirname(__file__), fname)).read()
 
+
+if 'sdist' in sys.argv[1:]:
+    subprocess.run(["django-admin", "compilemessages"], cwd="linkcheck")
+
 setup(
     name='django-linkcheck',
     version='2.2.0',