Remove some inline if/else statements

Even though python syntax allows it, assignment of variables using
inline if...else... statements have the nasty problem of not showing
relevant information in the test coverage. Thus, by writing the
assignment in a more canonical and verbose form, we are sure that we are
actually covering the possible branches while testing.

Change-Id: I4fbce4422f4986a76255ad468ee7dd7475e3f1cf

barbican/common/validators.py

@@ -168,7 +168,9 @@ class NewSecretValidator(ValidatorBase):
     def _extract_name(self, json_data):
         """Extracts and returns the name from the JSON data."""
         name = json_data.get('name')
-        return name.strip() if name else None
+        if name:
+            return name.strip()
+        return None
 
     def _extract_expiration(self, json_data, schema_name):
         """Extracts and returns the expiration date from the JSON data."""
@@ -512,8 +514,7 @@ class ContainerValidator(ValidatorBase):
         if not secret_refs:
             return json_data
 
-        secret_refs_names = set(secret_ref['name']
-                                if 'name' in secret_ref else ''
+        secret_refs_names = set(secret_ref.get('name', '')
                                 for secret_ref in secret_refs)
 
         self._assert_validity(

barbican/context.py

@@ -82,7 +82,9 @@ class RequestContext(object):
     @property
     def owner(self):
         """Return the owner to correlate with key."""
-        return self.tenant if self.owner_is_tenant else self.user
+        if self.owner_is_tenant:
+            return self.tenant
+        return self.user
 
 # TODO(jwood):
 #    @property

barbican/model/models.py

@@ -74,10 +74,14 @@ class JsonBlob(sql_types.TypeDecorator):
     impl = sa.Text
 
     def process_bind_param(self, value, dialect):
-        return json.dumps(value) if value is not None else value
+        if value is not None:
+            return json.dumps(value)
+        return value
 
     def process_result_value(self, value, dialect):
-        return json.loads(value) if value is not None else value
+        if value is not None:
+            return json.loads(value)
+        return value
 
 
 class ModelBase(object):
@@ -155,11 +159,15 @@ class ModelBase(object):
     def to_dict_fields(self):
         """Returns a dictionary of just the db fields of this entity."""
 
-        created_at = (self.created_at.isoformat()
-                      if self.created_at else self.created_at)
+        if self.created_at:
+            created_at = self.created_at.isoformat()
+        else:
+            created_at = self.created_at
 
-        updated_at = (self.updated_at.isoformat()
-                      if self.updated_at else self.updated_at)
+        if self.updated_at:
+            updated_at = self.updated_at.isoformat()
+        else:
+            updated_at = self.updated_at
 
         dict_fields = {
             'created': created_at,
@@ -304,8 +312,10 @@ class Secret(BASE, ModelBase):
 
     def _do_extra_dict_fields(self):
         """Sub-class hook method: return dict of fields."""
-        expiration = (self.expiration.isoformat()
-                      if self.expiration else self.expiration)
+        if self.expiration:
+            expiration = self.expiration.isoformat()
+        else:
+            expiration = self.expiration
 
         return {
             'secret_id': self.id,
@@ -474,9 +484,10 @@ class Order(BASE, ModelBase):
     def _do_extra_dict_fields(self):
         """Sub-class hook method: return dict of fields."""
         if not self.meta:
-            expiration = (
-                self.secret_expiration.isoformat()
-                if self.secret_expiration else self.secret_expiration)
+            if self.secret_expiration:
+                expiration = self.secret_expiration.isoformat()
+            else:
+                expiration = self.secret_expiration
             ret = {
                 'secret': {
                     'name': self.secret_name or self.secret_id,

barbican/model/repositories.py

@@ -220,7 +220,8 @@ def clean_paging_values(offset_arg=0, limit_arg=CONF.default_limit_paging):
 
     try:
         offset = int(offset_arg)
-        offset = offset if offset >= 0 else 0
+        if offset < 0:
+            offset = 0
     except ValueError:
         offset = 0
 
@@ -342,7 +343,10 @@ class BaseRepo(object):
                 entity.save(session=session)
             except sqlalchemy.exc.IntegrityError:
                 LOG.exception('Problem saving entity for create')
-                values_id = values['id'] if values else None
+                if values:
+                    values_id = values['id']
+                else:
+                    values_id = None
                 raise exception.Duplicate("Entity ID {0} already exists!"
                                           .format(values_id))
         LOG.debug('Elapsed repo '