update codegen alias to use the new registry and text generation pipe…

…line

src/deepsparse/tasks.py

@@ -86,14 +86,22 @@ class SupportedTasks:
         bloom=AliasedTask("bloom", []),
     )
 
+    code_generation = namedtuple(
+        "code_generation", ["code_generation", "code_gen", "codegen"]
+    )(
+        code_generation=AliasedTask("code_generation", []),
+        code_gen=AliasedTask("code_gen", []),
+        codegen=AliasedTask("codegen", []),
+    )
+
     image_classification = namedtuple("image_classification", ["image_classification"])(
         image_classification=AliasedTask(
             "image_classification",
             ["image_classification"],
         ),
     )
 
-    all_task_categories = [text_generation]
+    all_task_categories = [text_generation, code_generation, image_classification]
 
     @classmethod
     def check_register_task(
@@ -107,6 +115,9 @@ def check_register_task(
         if cls.is_text_generation(task):
             import deepsparse.transformers.pipelines.text_generation  # noqa: F401
 
+        elif cls.is_code_generation(task):
+            import deepsparse.transformers.pipelines.code_generation  # noqa: F401
+
         elif cls.is_image_classification(task):
             # trigger image classification pipelines to
             # register with Pipeline.register
@@ -142,7 +153,7 @@ def is_image_classification(cls, task: str) -> bool:
 
     @classmethod
     def task_names(cls):
-        task_names = ["custom"]
+        task_names = []
         for task_category in cls.all_task_categories:
             for task in task_category:
                 unique_aliases = (
@@ -151,6 +162,18 @@ def task_names(cls):
                 task_names += (task._name, *unique_aliases)
         return task_names
 
+    @classmethod
+    def is_code_generation(cls, task: str) -> bool:
+        """
+        :param task: the name of the task to check whether it is a text generation task
+            such as codegen
+        :return: True if it is a text generation task, False otherwise
+        """
+        return any(
+            code_generation_task.matches(task)
+            for code_generation_task in cls.code_generation
+        )
+
 
 def dynamic_import_task(module_or_path: str) -> str:
     """

src/deepsparse/transformers/pipelines/code_generation.py

@@ -13,19 +13,14 @@
 # limitations under the License.
 
 
-from deepsparse.legacy import Pipeline
-from deepsparse.legacy.transformers.pipelines.text_generation import (
-    TextGenerationPipeline,
-)
+from deepsparse.operators import OperatorRegistry
+from deepsparse.transformers.pipelines.text_generation import TextGenerationPipeline
 
 
 __all__ = ["CodeGenerationPipeline"]
 
 
-@Pipeline.register(
-    task="code_generation",
-    task_aliases=["codegen"],
-)
+@OperatorRegistry.register(name=["code_generation", "code_gen", "codegen"])
 class CodeGenerationPipeline(TextGenerationPipeline):
     """
     Subclass of text generation pipeline to support any defaults or