Moved Is class to upper "classes" module

Author: csparpa

fluentcheck/__init__.py

@@ -1,2 +1 @@
-from .classes import Check
-from .is_cls import Is
+from .classes import Check, Is

fluentcheck/assertions_is/booleans.py

@@ -1,4 +1,4 @@
-from ..is_cls import Is
+from .. import Is
 from ..classes import Check
 
 

fluentcheck/assertions_is/collections.py

@@ -1,4 +1,4 @@
-from ..is_cls import Is
+from .. import Is
 from ..classes import Check
 from typing import Any, Set
 

fluentcheck/assertions_is/dicts.py

@@ -1,4 +1,4 @@
-from ..is_cls import Is
+from .. import Is
 from ..classes import Check
 
 

fluentcheck/assertions_is/geo.py

@@ -1,4 +1,4 @@
-from ..is_cls import Is
+from .. import Is
 from ..classes import Check
 
 

fluentcheck/assertions_is/numbers.py

@@ -1,4 +1,4 @@
-from ..is_cls import Is
+from .. import Is
 from ..classes import Check
 
 

fluentcheck/assertions_is/sequences.py

@@ -1,4 +1,4 @@
-from ..is_cls import Is
+from .. import Is
 from ..classes import Check
 
 

fluentcheck/assertions_is/strings.py

@@ -1,4 +1,4 @@
-from ..is_cls import Is
+from .. import Is
 from ..classes import Check
 
 

fluentcheck/assertions_is/types.py

@@ -1,4 +1,4 @@
-from ..is_cls import Is
+from .. import Is
 from ..classes import Check
 
 

fluentcheck/assertions_is/uuids.py

@@ -1,4 +1,4 @@
-from ..is_cls import Is
+from .. import Is
 from ..classes import Check
 
 

fluentcheck/classes.py

@@ -1,6 +1,9 @@
 import importlib
 import inspect
 import pkgutil
+from inspect import signature
+from typing import Any
+
 from .exceptions import CheckError
 
 
@@ -51,3 +54,47 @@ def is_not_none(self):
             return self
         except AssertionError:
             raise CheckError('{} is None'.format(self._val))
+
+
+class Is:
+
+    ASSERTIONS_PACKAGE = 'fluentcheck.assertions_is'
+
+    def _import_assertion_modules(self):
+        ass = importlib.import_module(Is.ASSERTIONS_PACKAGE)
+        assertion_modules = list()
+        for _1, module_name, _2 in pkgutil.iter_modules(ass.__path__):
+            assertion_modules.append(importlib.import_module(ass.__name__ + '.' + module_name))
+        return assertion_modules
+
+    def __new__(cls, *args, **kwargs):
+        # retrieve all modules in assertion package
+        assertion_modules = cls._import_assertion_modules(cls)
+        # bind Is object instance with assertion functions from assertion modules
+        instance = super(Is, cls).__new__(cls)
+        for module in assertion_modules:
+            for item in inspect.getmembers(module, inspect.isfunction):
+                func_name = item[0]
+                func = item[1]
+                if len(signature(func).parameters) == 1:  # should be attached as a property
+                    setattr(Is, func_name, property(func, None, None, None))
+                else:   # should be attached as a bound method
+                    bound_method = func.__get__(instance, instance.__class__)
+                    setattr(instance, func_name, bound_method)
+        return instance
+
+    def __init__(self, object_under_test: Any):
+        self.object = object_under_test
+
+    def __call__(self, *args, **kwargs):
+        return self
+
+    @property
+    def none(self) -> "Is":
+        Check(self.object).is_none()
+        return self
+
+    @property
+    def not_none(self) -> "Is":
+        Check(self.object).is_not_none()
+        return self