Workflow: Output Parameters & Code Blocks (#117)

skyvern/forge/sdk/workflow/exceptions.py

@@ -0,0 +1,23 @@
+from skyvern.exceptions import SkyvernException
+
+
+class BaseWorkflowException(SkyvernException):
+    pass
+
+
+class WorkflowDefinitionHasDuplicateBlockLabels(BaseWorkflowException):
+    def __init__(self, duplicate_labels: set[str]) -> None:
+        super().__init__(
+            f"WorkflowDefinition has blocks with duplicate labels. Each block needs to have a unique "
+            f"label. Duplicate label(s): {','.join(duplicate_labels)}"
+        )
+
+
+class OutputParameterKeyCollisionError(BaseWorkflowException):
+    def __init__(self, key: str, retry_count: int | None = None) -> None:
+        message = f"Output parameter key {key} already exists in the context manager."
+        if retry_count is not None:
+            message += f" Retrying {retry_count} more times."
+        elif retry_count == 0:
+            message += " Max duplicate retries reached, aborting."
+        super().__init__(message)