Implement workflow & activity registry

Author: timl3136

cadence/__init__.py

@@ -0,0 +1,14 @@
+"""
+Cadence Python Client
+
+A Python framework for authoring workflows and activities for Cadence.
+"""
+
+# Import main client functionality
+from .client import Client
+
+__version__ = "0.1.0"
+
+__all__ = [
+    "Client",
+]

cadence/worker/__init__.py

@@ -5,7 +5,46 @@
     WorkerOptions
 )
 
+from ._registry import (
+    Registry,
+    RegistryError,
+    WorkflowNotFoundError,
+    ActivityNotFoundError,
+    DuplicateRegistrationError,
+    registry,
+    new_registry,
+    register_workflow,
+    register_activity,
+    get_workflow,
+    get_activity,
+    list_workflows,
+    list_activities,
+    has_workflow,
+    has_activity,
+    get_total_workflow_count,
+    get_total_activity_count,
+    clear_registry,
+)
+
 __all__ = [
     "Worker",
-    "WorkerOptions"
-]
+    "WorkerOptions",
+    'Registry',
+    'RegistryError',
+    'WorkflowNotFoundError',
+    'ActivityNotFoundError',
+    'DuplicateRegistrationError',
+    'registry',
+    'new_registry',
+    'register_workflow',
+    'register_activity',
+    'get_workflow',
+    'get_activity',
+    'list_workflows',
+    'list_activities',
+    'has_workflow',
+    'has_activity',
+    'get_total_workflow_count',
+    'get_total_activity_count',
+    'clear_registry',
+]