Add support for excluded roles

scripts/check_role_docs.py

@@ -2,15 +2,26 @@
 
 '''
 This script checks every role in the project and prints its name to stdout if 
-the role directory does not contain a README file.
+the role directory does not contain a README file and it is not listed in 
+scripts/docs_ignore.
 
 For ease of use, you can pipe the output of this script to a file or to a 
 clipboard utility (e.g. pbcopy on macOS, xclip on Linux).
 '''
 
-import os, glob
+import os
+from os.path import join as make_path
+from glob import glob
 
-for role in sorted(os.listdir("roles")):
-    readme_glob = os.path.join("roles", role, "README.*")
-    if not glob.glob(readme_glob):
+def included_roles():
+    all_roles = set(os.listdir("roles"))
+    excluded_roles = \
+        map(str.rstrip, open(make_path("scripts", "docs_ignore")))
+    included_roles = list(all_roles.difference(excluded_roles))
+    included_roles.sort()
+    return included_roles
+
+for role in included_roles():
+    readme = make_path("roles", role, "README.*")
+    if not glob(readme):
         print(role)

scripts/docs_ignore

@@ -0,0 +1,11 @@
+authserver
+debian_schooltool
+ejabberd_xs
+idmgr
+ajenti
+moodle-1.9
+pathagar
+schooltool
+nodogsplash
+docker
+sugar-stats