| import ast | |
| import subprocess | |
| import sys | |
| from packaging.version import Version | |
| def tiledb_cloud_eagerly_imports_pandas() -> bool: | |
| try: | |
| import pandas | |
| import tiledb.cloud | |
| except ImportError: | |
| # Can't import something that's not installed. | |
| return False | |
| if Version(tiledb.cloud.__version__) < Version("0.10.21"): | |
| # Old versions of tiledb-cloud will import Pandas eagerly. | |
| return True | |
| if Version(pandas.__version__) < Version("1.5"): | |
| # If an old version of Pandas is installed, tiledb-cloud needs to | |
| # import it eagerly to patch it. | |
| return True | |
| return False | |
| def test_dont_import_pandas() -> None: | |
| """Verifies that when we import TileDB, we don't import Pandas eagerly.""" | |
| # We import tiledb.cloud within tiledb-py, if available, in order to hook | |
| # Array.apply and other functionality. If the version of tiledb-cloud | |
| # we have installed would import Pandas eagerly on its own, we need to | |
| # suppress its importation. | |
| suppress_cloud = ( | |
| "sys.modules['tiledb.cloud'] = None;" | |
| if tiledb_cloud_eagerly_imports_pandas() | |
| else "" | |
| ) | |
| # Get a list of all modules from a completely fresh interpreter. | |
| all_mods_str = subprocess.check_output( | |
| ( | |
| sys.executable, | |
| "-c", | |
| f"import sys; {suppress_cloud} import tiledb; print(list(sys.modules))", | |
| ) | |
| ) | |
| all_mods = ast.literal_eval(all_mods_str.decode()) | |
| assert "pandas" not in all_mods | |