Regexp

Bases: BaseFileFilter, FrozenModel

"Filter files or directories with path matching a regular expression.

.. versionadded:: 0.8.0 Replaces deprecated onetl.core.FileFilter

Parameters:

• pattern (:obj:re.Pattern) –

  Regular expression (e.g. \d+\.csv) for which any file (only file) path should match.

  If input is a string, regular expression will be compiles using re.IGNORECASE and re.DOTALL flags.

Examples:

Create regexp filter from string:

.. code:: python

from onetl.file.filter import Regexp

regexp = Regexp(r"\d+\.csv")

Create regexp filter from :obj:re.Pattern:

.. code:: python

import re

from onetl.file.filter import Regexp

regexp = Regexp(re.compile(r"\d+\.csv", re.IGNORECASE | re.DOTALL))

match(path)

Returns True if path is matching the filter, False otherwise

.. versionadded:: 0.8.0

Examples:

>>> from onetl.impl import LocalPath
>>> filter.match(LocalPath("/path/to/file.csv"))
True
>>> filter.match(LocalPath("/path/to/excluded.csv"))
False
>>> filter.match(LocalPath("/path/to/file.csv"))
True