# numpy.DataSource.exists

method

DataSource.exists(path)

  Test if path exists.

  Test if path exists as (and in this order):

  - a local file.

  - a remote URL that has been downloaded and stored locally in the `DataSource` directory.

  - a remote URL that has not been downloaded, but is valid and accessible.

  Parameters
    path str

      Can be a local file or a remote URL.

  Returns
    out bool

      True if path exists.

  Notes

  When path is an URL, `exists` will return True if it’s either stored locally in the `DataSource` directory, or is a valid remote URL. `DataSource` does not discriminate between the two, the file is accessible if it exists in either location.

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