Cleanup of module building.

cmake/scripts/test_compare.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+"""
+This runs a command and compares output to a known file over
+a given line range.
+"""
+from __future__ import print_function
+import subprocess
+import argparse
+import os
+
+
+#pylint: disable=invalid-name
+parser = argparse.ArgumentParser(description='Process some integers.')
+parser.add_argument('--command', required=True)
+parser.add_argument('--stdin', required=True)
+parser.add_argument('--stdout', required=True)
+parser.add_argument('--check', required=True)
+parser.add_argument('--start', default=0)
+parser.add_argument('--stop', default=-1)
+args = parser.parse_args()
+
+d = os.path.dirname(args.stdout)
+if not os.path.exists(d):
+    os.makedirs(d)
+
+with open(args.stdout, 'w') as outfile:
+    with open(args.stdin, 'r') as infile:
+        proc = subprocess.Popen(
+            args.command, stdout=outfile, stdin=infile)
+proc.communicate()
+
+i_start = int(args.start)
+i_stop = int(args.stop)
+
+with open(args.stdout, 'r') as outfile:
+    out_contents = file.readlines(outfile)
+out_contents = "".join(out_contents[i_start:i_stop])
+
+with open(args.check, 'r') as checkfile:
+    check_contents = file.readlines(checkfile)
+check_contents = "".join(check_contents[i_start:i_stop])
+
+if (out_contents != check_contents):
+    print("output:\n", out_contents)
+    print("check:\n", check_contents)
+    exit(1)
+
+exit(0)
+
+# vim: set et ft=python fenc= ff=unix sts=4 sw=4 ts=4 :