Create test_labelme_1.py

DataAnnotation/labelme/tests/docs_tests/man_tests/test_labelme_1.py

+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import os.path as osp
+import re
+import shlex
+import subprocess
+import sys
+
+
+here = osp.dirname(osp.abspath(__file__))
+
+cmd = 'help2man labelme'
+man_expected = subprocess.check_output(shlex.split(cmd)).decode().splitlines()
+
+man_file = osp.realpath(osp.join(here, '../../../docs/man/labelme.1'))
+with open(man_file) as f:
+    man_actual = f.read().splitlines()
+
+patterns_exclude = [
+    r'^\.TH .*',
+    r'^config file.*',
+    r'^\.\\.*',
+]
+
+PASS = 1
+for line_expected, line_actual in zip(man_expected, man_actual):
+    for pattern in patterns_exclude:
+        if re.match(pattern, line_expected) or re.match(pattern, line_actual):
+            break
+    else:
+        if line_expected != line_actual:
+            print(repr('> {}'.format(line_expected)), file=sys.stderr)
+            print(repr('< {}'.format(line_actual)), file=sys.stderr)
+            PASS = 0
+
+if not PASS:
+    print(
+        'Please run:\n\n\thelp2man labelme > {}\n'.format(man_file),
+        file=sys.stderr,
+    )
+assert PASS