[stable-2.7] Changelog lint and generation bug fixes. (#53792)

* Add missing dict entry for changelog generation.
* Enforce str and list types on sections.
* Check type of section list items.
* Support non-ascii characters in changelogs..
(cherry picked from commit 90a38670be)

Co-authored-by: Matt Clay <matt@mystile.com>

packaging/release/changelogs/changelog.py

@@ -24,6 +24,8 @@ try:
 except ImportError:
     argcomplete = None
 
+from ansible.module_utils.six import string_types
+
 BASE_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..', '..'))
 CHANGELOG_DIR = os.path.join(BASE_DIR, 'changelogs')
 CONFIG_PATH = os.path.join(CHANGELOG_DIR, 'config.yaml')
@@ -298,14 +300,26 @@ class ChangelogFragmentLinter(object):
         errors = []
 
         for section, lines in fragment.content.items():
-            if section not in self.config.sections:
+            if section == self.config.prelude_name:
-                errors.append((fragment.path, 0, 0, 'invalid section: %s' % section))
+                if not isinstance(lines, string_types):
+                    errors.append((fragment.path, 0, 0, 'section "%s" must be type str not %s' % (section, type(lines).__name__)))
+            else:
+                # doesn't account for prelude but only the RM should be adding those
+                if not isinstance(lines, list):
+                    errors.append((fragment.path, 0, 0, 'section "%s" must be type list not %s' % (section, type(lines).__name__)))
+
+                if section not in self.config.sections:
+                    errors.append((fragment.path, 0, 0, 'invalid section: %s' % section))
 
             if isinstance(lines, list):
                 for line in lines:
+                    if not isinstance(line, string_types):
+                        errors.append((fragment.path, 0, 0, 'section "%s" list items must be type str not %s' % (section, type(line).__name__)))
+                        continue
+
                     results = rstcheck.check(line, filename=fragment.path, report_level=docutils.utils.Reporter.WARNING_LEVEL)
                     errors += [(fragment.path, 0, 0, result[1]) for result in results]
-            else:
+            elif isinstance(lines, string_types):
                 results = rstcheck.check(lines, filename=fragment.path, report_level=docutils.utils.Reporter.WARNING_LEVEL)
                 errors += [(fragment.path, 0, 0, result[1]) for result in results]