tiledbsoma.PointCloudDataFrame.exists

classmethod PointCloudDataFrame.exists(uri: str, context: SOMAContext | SOMATileDBContext | None = None, tiledb_timestamp: int | datetime | None = None) → bool

Finds whether an object of this type exists at the given URI.

Parameters:

  • uri – The URI to open.

  • context – If provided, the SOMAContext to use when creating and opening this collection. If not, provide the default context will be used and possibly initialized.

  • tiledb_timestamp – The TileDB timestamp to open this object at, measured in milliseconds since the Unix epoch. When unset (the default), the current time is used. A value of zero results in default, i.e., current time.

Raises:

TypeError – If the uri is not a string.

Examples

>>> with tiledbsoma.open("a_dataframe") as soma_df:
...     print(soma_df.soma_type)
...
SOMADataFrame
>>> tiledbsoma.DataFrame.exists("./a_dataframe")
True
>>> tiledbsoma.SparseNDArray.exists("./a_dataframe")
False

Lifecycle

Maturing.