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Fix Cosmos behaviour when using watcher with InvocationMode.DBT_RUNNER #2048

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tatiana merged 2 commits into from
Oct 23, 2025
Merged

Fix Cosmos behaviour when using watcher with InvocationMode.DBT_RUNNER #2048

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0078294
Fix Cosmos behaviour when users set invocation_mode=InvocationMode.DB…
tatiana Oct 23, 2025
5734386
Update cosmos/config.py
tatiana Oct 23, 2025
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8 changes: 6 additions & 2 deletions cosmos/config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -434,9 +434,13 @@ class ExecutionConfig:
async_py_requirements: list[str] | None = None

def __post_init__(self, dbt_project_path: str | Path | None) -> None:
if self.invocation_mode and self.execution_mode not in (ExecutionMode.LOCAL, ExecutionMode.VIRTUALENV):
if self.invocation_mode and self.execution_mode not in (
ExecutionMode.WATCHER,
ExecutionMode.LOCAL,
ExecutionMode.VIRTUALENV,
):
raise CosmosValueError(
"ExecutionConfig.invocation_mode is only configurable for ExecutionMode.LOCAL and ExecutionMode.VIRTUALENV."
"ExecutionConfig.invocation_mode is only configurable for ExecutionMode.WATCHER, ExecutionMode.LOCAL, and ExecutionMode.VIRTUALENV."
)
if self.execution_mode == ExecutionMode.VIRTUALENV:
if self.invocation_mode == InvocationMode.DBT_RUNNER:
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6 changes: 3 additions & 3 deletions dev/dags/example_watcher.py
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Expand Up @@ -40,12 +40,12 @@
operator_args["trigger_rule"] = "all_success"


from cosmos.constants import InvocationMode

# [START example_watcher]
example_watcher = DbtDag(
# dbt/cosmos-specific parameters
execution_config=ExecutionConfig(
execution_mode=ExecutionMode.WATCHER,
),
execution_config=ExecutionConfig(execution_mode=ExecutionMode.WATCHER, invocation_mode=InvocationMode.DBT_RUNNER),
project_config=ProjectConfig(DBT_PROJECT_PATH),
profile_config=profile_config,
operator_args=operator_args,
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