Assure ansi2html can be called as script or module

ansi2html/__main__.py

@@ -0,0 +1,4 @@
+from ansi2html.converter import main
+
+if __name__ == "__main__":
+    main()

setup.cfg

@@ -39,6 +39,10 @@ setup_requires =
     setuptools_scm >= 1.15.0
     setuptools_scm_git_archive >= 1.0
 
+[options.entry_points]
+console_scripts =
+    ansi2html = ansi2html.__main__:main
+
 [options.packages.find]
 where = .
 

tests/test_ansi2html.py

@@ -25,6 +25,7 @@
 import unittest
 from io import StringIO
 from os.path import abspath, dirname, join
+from subprocess import run
 
 from mock import patch
 
@@ -385,6 +386,14 @@ def test_latex_linkify(self):
         latex = Ansi2HTMLConverter(latex=True, inline=True, linkify=True).convert(ansi)
         assert target in latex
 
+    def test_command_script(self):
+        result = run(["ansi2html", "--version"], check=True)
+        assert result.returncode == 0
+
+    def test_command_module(self):
+        result = run(["python3", "-m", "ansi2html", "--version"], check=True)
+        assert result.returncode == 0
+
 
 if __name__ == "__main__":
     unittest.main()