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توضیحات

Write to an indexed sequence of files using the standard Python file API

ویژگی	مقدار
سیستم عامل	-
نام فایل	filesequence-0.1.9
نام	filesequence
نسخه کتابخانه	0.1.9
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	Christopher Brown
ایمیل نویسنده	io@henrian.com
آدرس صفحه اصلی	https://github.com/chbrown/filesequence
آدرس اینترنتی	https://pypi.org/project/filesequence/
مجوز	Copyright (c) 2013 Christopher Brown Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

File sequences -------------- A ``FileSequence`` allows you to write to multiple files using standard Python file descriptor read / write functionality. You specify the file size limit and naming scheme when opening the sequence, but the library handles creating new files as needed. Each call to the opened FileSequence's ``write`` function will potentially create a new file, if the chunk you want to write will push the file over the limit. So if you want to only split files on newlines, call ``write()`` once for each line. If you want behavior more like BSD's ``split`` command, you can write one byte at a time. Though, at that rate, ``split`` is probably the better choice. Installation |PyPI version| ~~~~~~~~~~~~~~~~~~~~~~~~~~~ :: pip install filesequence API ~~~ You can simply use a FileSequence object as if it were a file. - ``filesequence.open(...)`` returns a ``FileSequence`` object. - ``my_file_sequence.write(line)`` takes a line and writes it to the next available file. Note that FileSequence requires ``with`` wrapping, as opposed to the Python built-in ``open()``: :: import filesequence filenames = filesequence.interpolator('numbers-%02d.txt', xrange(1000)) with filesequence.open(filenames, 1000000) as out: for a in xrange(1000): for b in xrange(1000): out.write('# %d * %d = %d\n' % (a, b, a * b)) Now you have a huge multiplication table in 20 different files that are 1MB or less! So awesome! Want to keep going? :: filenames = filesequence.interpolator('numbers-%02d.txt', xrange(1000)) with filesequence.open(filenames, 1000000, 'a') as out: ... The 'a' flag will make the sequence jump to the last existing file, and start writing from there. Bonus ~~~~~ A ``filesequence`` script will be installed to your ``PATH``. This script reads STDIN line by line and command line arguments for the filename ``pattern`` and filesize limit (see ``filesequence --help``), and writes out a series of files of at most that filesize and without breaking any lines. :: $ filesequence --help usage: cli.py [-h] [--limit LIMIT] [--pattern PATTERN] [--version] Write STDIN into a sequence of files, splitting only at newlines optional arguments: -h, --help show this help message and exit --limit LIMIT Maximum bytes per file (default: 50000000) --pattern PATTERN Filename string pattern: generate filenames in sequence by interpolating `pattern % indices.next()` (default: split.%02d) --version show program's version number and exit TODO ---- - Support reading (flags ``r`` and ``r+``). Development ----------- This package is published to PyPI at `pypi.python.org/pypi/filesequence <https://pypi.python.org/pypi/filesequence/>`__. Typical publish process: 1. ``pandoc README.md -o README.rst`` 2. If needed, ``git commit ...`` 3. ``npm version patch`` 4. ``git push`` 5. ``python setup.py register sdist upload`` Testing ~~~~~~~ Continuous integration: |Travis CI Build Status| Or run tests locally (after installing): :: nosetests License ------- Copyright (c) 2013 Christopher Brown. `MIT Licensed <https://raw.github.com/chbrown/filesequence/master/LICENSE>`__. .. |PyPI version| image:: https://badge.fury.io/py/filesequence.png :target: http://badge.fury.io/py/filesequence .. |Travis CI Build Status| image:: https://travis-ci.org/chbrown/filesequence.png?branch=master :target: https://travis-ci.org/chbrown/filesequence

نحوه نصب

نصب پکیج whl filesequence-0.1.9:

pip install filesequence-0.1.9.whl

نصب پکیج tar.gz filesequence-0.1.9:

pip install filesequence-0.1.9.tar.gz