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Error earlier if virtualenv is not installed and DAG has a PythonVirtualenvOperator by MatrixManAtYrService · Pull Request #15788 · apache/airflow · GitHub
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Error earlier if virtualenv is not installed and DAG has a PythonVirtualenvOperator #15788

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Merged
potiuk merged 1 commit into from
Aug 1, 2021
Merged

Error earlier if virtualenv is not installed and DAG has a PythonVirtualenvOperator #15788

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3 changes: 3 additions & 0 deletions airflow/operators/python.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
import inspect
import os
import pickle
import shutil
import sys
import types
import warnings
Expand Down Expand Up @@ -325,6 +326,8 @@ def __init__(
"Passing op_args or op_kwargs is not supported across different Python "
"major versions for PythonVirtualenvOperator. Please use string_args."
)
if not shutil.which("virtualenv"):
raise AirflowException('PythonVirtualenvOperator requires virtualenv, please install it.')
super().__init__(
python_callable=python_callable,
op_args=op_args,
Expand Down