fix code climate

.codeclimate.yml

@@ -14,8 +14,11 @@ engines:
     enabled: true
   radon:
     enabled: true
+    config:
+      threshold: "C"
 ratings:
   paths:
   - "**.py"
 exclude_paths:
-- tests/
+- tests/
+- sample/

setup.cfg

@@ -17,6 +17,7 @@ not_skip = __init__.py
 [flake8]
 
 ignore = E402
+max-line-length=119
 
 [nosetests]
 where = tests

src/booleano/operations/variables.py

@@ -172,8 +172,23 @@ def is_subset(self, value, context):
         return value < cv
 
 
+class FormatableVariable(NativeVariable):
+    """
+    a class that accept a extra format in his constructor
+    """
+    formats = []
+
+    def __init__(self, context_name, formats=None):
+
+        if isinstance(formats, six.text_type):
+            self.formats = (formats, )
+        elif formats is not None:
+            self.formats = formats
+        super(FormatableVariable, self).__init__(context_name)
+
+
 @variable_symbol_table_builder.register(datetime.timedelta)
-class DurationVariable(NativeVariable):
+class DurationVariable(FormatableVariable):
     """
     a variable that allow to compare **duration** from the context (datetime.timedelta)
 
@@ -199,16 +214,10 @@ class DurationVariable(NativeVariable):
     ]
 
     def __init__(self, context_name, formats=None):
-
-        if isinstance(formats, six.text_type):
-            self.formats = (formats, )
-        elif formats is not None:
-            self.formats = formats
-
+        super(DurationVariable, self).__init__(context_name, formats)
         self.regexps = [
             re.compile(regex) for regex in self.formats
         ]
-        super(DurationVariable, self).__init__(context_name)
 
     def _from_native_string(self, value):
         """
@@ -227,7 +236,7 @@ def _from_native_string(self, value):
 
 
 @variable_symbol_table_builder.register(datetime.datetime)
-class DateTimeVariable(NativeVariable):
+class DateTimeVariable(FormatableVariable):
     """
     a variable that allow to compare **datetime** from the context (datetime.datetime)
 
@@ -253,13 +262,6 @@ class DateTimeVariable(NativeVariable):
         "%Y-%m-%d %H:%M:%S",
     )
 
-    def __init__(self, context_name, formats=None):
-        if isinstance(formats, six.text_type):
-            self.formats = (formats, )
-        elif formats is not None:
-            self.formats = formats
-        super(DateTimeVariable, self).__init__(context_name)
-
     def _from_native_string(self, value):
         """
         parse a string as a date using self.formats.

tox.ini

@@ -2,9 +2,6 @@
 # in multiple virtualenvs. This configuration file will run the
 # test suite on all supported python versions. To use it, "pip install tox"
 # and then run "tox" from this directory.
-[flake8]
-max-line-length=119
-
 
 [tox]
 minversion=1.8.0
@@ -27,7 +24,7 @@ basepython = python3
 usedevelop = false
 deps = flake8
 changedir = {toxinidir}
-commands = flake8 src
+commands = flake8 src --max-complexity 10
 
 
 [testenv:isort]