allow getting components

Author: Eugeny

Diff for: jadi/jadi.py

@@ -26,12 +26,15 @@ def get_service(self, cls):
             self.service_instances[fqdn] = cls(self)
         return self.service_instances[fqdn]
 
+    def get_component(self, cls):
+        fqdn = get_fqdn(cls)
+        if fqdn not in self.component_instances:
+            self.component_instances[fqdn] = cls(self)
+        return self.component_instances[fqdn]
+
     def get_components(self, cls):
         for comp in cls.implementations:
-            fqdn = get_fqdn(comp)
-            if fqdn not in self.component_instances:
-                self.component_instances[fqdn] = comp(self)
-            yield self.component_instances[fqdn]
+            yield self.get_component(comp)
 
 
 def service(cls):
@@ -155,6 +158,11 @@ def decorator(cls):
             )
         )
         iface.implementations.append(cls)
+
+        def get(cls, context):
+            return context.get_component(cls)
+        cls.get = get.__get__(cls)
+
         return cls
 
     return decorator

Diff for: setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name='jadi',
-    version='1.0.0',
+    version='1.0.1',
     install_requires=[],
     description='Minimalistic IoC for Python',
     author='Eugeny Pankov',

Diff for: tests.py

@@ -63,6 +63,7 @@ def component_test():
     assert isinstance(all[1], TestComponent2)
     any = TestInterface.any(ctx)
     assert isinstance(any, TestComponent)
+    assert isinstance(TestComponent.get(ctx), TestComponent)
 
 
 @raises(NoImplementationError)