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pathlib

pathlib

**Attention:** this backport module isn't maintained anymore. If you want to report issues or contribute patches, please consider the `pathlib2 <https://pypi.python.org/pypi/pathlib2/>`_ project instead. Description ----------- pathlib offers a set of classes to handle filesystem paths. It offers the following advantages over using string objects: * No more cumbersome use of os and os.path functions. Everything can be done easily through operators, attribute accesses, and method calls. * Embodies the semantics of different path types. For example, comparing Windows paths ignores casing. * Well-defined semantics, eliminating any warts or ambiguities (forward vs. backward slashes, etc.). Requirements ------------ Python 3.2 or later is recommended, but pathlib is also usable with Python 2.7 and 2.6. Install ------- In Python 3.4, pathlib is now part of the standard library. For Python 3.3 and earlier, ``easy_install pathlib`` or ``pip install pathlib`` should do the trick. Examples -------- Importing the module classes:: >>> from pathlib import * Listing Python source files in a directory:: >>> list(p.glob('*.py')) [PosixPath('test_pathlib.py'), PosixPath('setup.py'), PosixPath('pathlib.py')] Navigating inside a directory tree:: >>> p = Path('/etc') >>> q = p / 'init.d' / 'reboot' >>> q PosixPath('/etc/init.d/reboot') >>> q.resolve() PosixPath('/etc/rc.d/init.d/halt') Querying path properties:: >>> q.exists() True >>> q.is_dir() False Opening a file:: >>> with q.open() as f: f.readline() ... '#!/bin/bash\n' Documentation ------------- The full documentation can be read at `Read the Docs <https://pathlib.readthedocs.org/>`_. Contributing ------------ Main development now takes place in the Python standard library: see the `Python developer's guide <http://docs.python.org/devguide/>`_, and report issues on the `Python bug tracker <http://bugs.python.org/>`_. However, if you find an issue specific to prior versions of Python (such as 2.7 or 3.2), you can post an issue on the `BitBucket project page <https://bitbucket.org/pitrou/pathlib/>`_. History ------- Version 1.0.1 ^^^^^^^^^^^^^ - Pull request #4: Python 2.6 compatibility by eevee. Version 1.0 ^^^^^^^^^^^ This version brings ``pathlib`` up to date with the official Python 3.4 release, and also fixes a couple of 2.7-specific issues. - Python issue #20765: Add missing documentation for PurePath.with_name() and PurePath.with_suffix(). - Fix test_mkdir_parents when the working directory has additional bits set (such as the setgid or sticky bits). - Python issue #20111: pathlib.Path.with_suffix() now sanity checks the given suffix. - Python issue #19918: Fix PurePath.relative_to() under Windows. - Python issue #19921: When Path.mkdir() is called with parents=True, any missing parent is created with the default permissions, ignoring the mode argument (mimicking the POSIX "mkdir -p" command). - Python issue #19887: Improve the Path.resolve() algorithm to support certain symlink chains. - Make pathlib usable under Python 2.7 with unicode pathnames (only pure ASCII, though). - Issue #21: fix TypeError under Python 2.7 when using new division. - Add tox support for easier testing. Version 0.97 ^^^^^^^^^^^^ This version brings ``pathlib`` up to date with the final API specified in :pep:`428`. The changes are too long to list here, it is recommended to read the `documentation <https://pathlib.readthedocs.org/>`_. .. warning:: The API in this version is partially incompatible with pathlib 0.8 and earlier. Be sure to check your code for possible breakage! Version 0.8 ^^^^^^^^^^^ - Add PurePath.name and PurePath.anchor. - Add Path.owner and Path.group. - Add Path.replace(). - Add Path.as_uri(). - Issue #10: when creating a file with Path.open(), don't set the executable bit. - Issue #11: fix comparisons with non-Path objects. Version 0.7 ^^^^^^^^^^^ - Add '**' (recursive) patterns to Path.glob(). - Fix openat() support after the API refactoring in Python 3.3 beta1. - Add a *target_is_directory* argument to Path.symlink_to() Version 0.6 ^^^^^^^^^^^ - Add Path.is_file() and Path.is_symlink() - Add Path.glob() and Path.rglob() - Add PurePath.match() Version 0.5 ^^^^^^^^^^^ - Add Path.mkdir(). - Add Python 2.7 compatibility by Michele Lacchia. - Make parent() raise ValueError when the level is greater than the path length.
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bruceshi2021-01-13 收录
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