pyarrow.dataset.FileFormat#
- class pyarrow.dataset.FileFormat#
Bases:
pyarrow.lib._Weakrefable
- __init__(*args, **kwargs)#
Methods
__init__
(*args, **kwargs)inspect
(self, file[, filesystem])Infer the schema of a file.
make_fragment
(self, file[, filesystem])Make a FileFragment from a given file.
make_write_options
(self)Attributes
- default_extname#
- default_fragment_scan_options#
- inspect(self, file, filesystem=None)#
Infer the schema of a file.
- make_fragment(self, file, filesystem=None, Expression partition_expression=None)#
Make a FileFragment from a given file.
- Parameters
- filefile-like object, path-like or
str
The file or file path to make a fragment from.
- filesystem
Filesystem
, optional If filesystem is given, file must be a string and specifies the path of the file to read from the filesystem.
- partition_expression
Expression
The filter expression.
- filefile-like object, path-like or
- make_write_options(self)#