Stop using custom exception for filter

The loading of the module doesn't work and since we don't actually do
anything with the exception, let's just use a generic exception instead.

Change-Id: Ibe2b3a37d06ed5f740c9b9cf7d056a320f18dfa0
Closes-Bug: #1896252

tripleo_ansible/ansible_plugins/filter/number_list.py

@@ -1,9 +1,5 @@
 #!/usr/bin/python
 
-try:
-    from ansible.module_utils import tripleo_common_utils as tc
-except ImportError:
-    from tripleo_ansible.ansible_plugins.module_utils import tripleo_common_utils as tc
 from ansible.parsing.yaml.objects import AnsibleUnicode
 
 
@@ -34,7 +30,7 @@ class FilterModule(object):
         except ValueError as exc:
             msg = ("Invalid number in input param "
                    "'range_list': %s" % exc)
-            raise tc.DeriveParamsError(msg)
+            raise Exception(msg)
 
         # here, num_list is a list of integers
         return [num for num in num_list if num not in exclude_num_list]
@@ -52,7 +48,7 @@ class FilterModule(object):
             num_list = self.convert_range_to_number_list(range_list)
         except Exception as err:
             msg = ('Derive Params Error: %s', err)
-            raise tc.DeriveParamsError(msg)
+            raise Exception(msg)
 
         # converts into comma delimited number list as string
         return ','.join([str(num) for num in num_list])

tripleo_ansible/ansible_plugins/filter/range_list.py

@@ -1,9 +1,5 @@
 #!/usr/bin/python
 
-try:
-    from ansible.module_utils import tripleo_common_utils as tc
-except ImportError:
-    from tripleo_ansible.ansible_plugins.module_utils import tripleo_common_utils as tc
 from ansible.parsing.yaml.objects import AnsibleUnicode
 
 
@@ -37,7 +33,7 @@ class FilterModule(object):
     def range_list(self, num_list):
         if not num_list:
             msg = "Input param 'num_list' is blank."
-            raise tc.DeriveParamsError(msg)
+            raise Exception(msg)
         try:
             # splitting a string (comma delimited list) into
             # list of numbers
@@ -47,7 +43,7 @@ class FilterModule(object):
         except ValueError as exc:
             msg = ("Invalid number in input param "
                    "'num_list': %s" % exc)
-            raise tc.DeriveParamsError(msg)
+            raise Exception(msg)
 
         range_list = self._convert_number_to_range_list(num_list)
 

tripleo_ansible/tests/plugins/filter/test_number_list.py

@@ -13,10 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-try:
-    from ansible.module_utils import tripleo_common_utils as tc
-except ImportError:
-    from tripleo_ansible.ansible_plugins.module_utils import tripleo_common_utils as tc
 from tripleo_ansible.ansible_plugins.filter import number_list
 from tripleo_ansible.tests import base as tests_base
 
@@ -53,13 +49,13 @@ class TestNumberListFilters(tests_base.TestCase):
 
     def test_run_with_empty_input(self):
         range_list = ""
-        self.assertRaises(tc.DeriveParamsError,
+        self.assertRaises(Exception,
                           self.filters.number_list,
                           range_list)
 
     def test_run_with_invalid_input(self):
         range_list = ",d"
-        self.assertRaises(tc.DeriveParamsError,
+        self.assertRaises(Exception,
                           self.filters.number_list,
                           range_list)
 

tripleo_ansible/tests/plugins/filter/test_range_list.py

@@ -13,10 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-try:
-    from ansible.module_utils import tripleo_common_utils as tc
-except ImportError:
-    from tripleo_ansible.ansible_plugins.module_utils import tripleo_common_utils as tc
 from tripleo_ansible.ansible_plugins.filter import range_list
 from tripleo_ansible.tests import base as tests_base
 
@@ -41,10 +37,10 @@ class TestRangeListFilters(tests_base.TestCase):
 
     def test_run_with_empty_input(self):
         num_list = ""
-        self.assertRaises(tc.DeriveParamsError,
+        self.assertRaises(Exception,
                           self.filters.range_list, num_list)
 
     def test_run_with_invalid_input(self):
         num_list = ",d"
-        self.assertRaises(tc.DeriveParamsError,
+        self.assertRaises(Exception,
                           self.filters.range_list, num_list)