fixes for dumping/loading fixtures from sqlite (#731)

Author: furlongm

operatingsystems/managers.py

@@ -18,5 +18,5 @@
 
 
 class OSReleaseManager(models.Manager):
-    def get_by_natural_key(self, name, codename):
-        return self.get(name=name, codename=codename)
+    def get_by_natural_key(self, name, codename, cpe_name):
+        return self.get(name=name, codename=codename, cpe_name=cpe_name)

security/models.py

@@ -125,6 +125,8 @@ def add_cvss_score(self, vector_string, score=None, severity=None, version=None)
             score = cvss_score.base_score
         if not severity:
             severity = cvss_score.severities()[0]
+        if isinstance(severity, str):
+            severity = severity.capitalize()
         try:
             cvss, created = CVSS.objects.get_or_create(
                 version=version,