uproot.update
Defined in uproot.writing.writable on line 138.
- uproot.writing.writable.update(file_path: str | Path | IO, **options)
- Parameters:
file_path (str,
pathlib.Path
or file-like object) – The filesystem path of the file to open or an open file.options – See below.
Opens a local file for writing. Like ROOT’s
"UPDATE"
option, this function expects a file to already exist atfile_path
and opens it so that new data can be added to it or individual objects may be deleted from it.Returns a uproot.WritableDirectory.
Options (type; default):
initial_directory_bytes (int; 256)
uuid_function (callable;
uuid.uuid1
)
See uproot.WritableFile for details on these options.
Additional options are passed to as
storage_options
to the fsspec filesystem