validators: Report repos with missing descriptions

These descriptions improve social shares, and possibly search results.

Author: jepler

adabot/lib/circuitpython_library_validators.py

@@ -56,6 +56,7 @@
 " without reference to import errno.  See issue " \
 "https://github.com/adafruit/circuitpython/issues/1582"
 ERROR_MISMATCHED_READTHEDOCS = "Mismatched readthedocs.yml"
+ERROR_MISSING_DESCRIPTION = "Missing repository description"
 ERROR_MISSING_EXAMPLE_FILES = "Missing .py files in examples folder"
 ERROR_MISSING_EXAMPLE_FOLDER = "Missing examples folder"
 ERROR_EXAMPLE_MISSING_SENSORNAME = "Example file(s) missing sensor/library name"
@@ -209,6 +210,9 @@ def validate_repo_state(self, repo):
 
         errors = []
 
+        if not repo_fields.get("description"):
+            errors.append(ERROR_MISSING_DESCRIPTION)
+
         if repo_fields.get("has_wiki"):
             errors.append(ERROR_WIKI_DISABLED)