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161 lines
5.1 KiB
Plaintext
161 lines
5.1 KiB
Plaintext
Metadata-Version: 2.1
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Name: toolz
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Version: 0.9.0
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Summary: List processing tools and functional utilities
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Home-page: http://github.com/pytoolz/toolz/
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Author: https://raw.github.com/pytoolz/toolz/master/AUTHORS.md
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Maintainer: Matthew Rocklin
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Maintainer-email: mrocklin@gmail.com
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License: BSD
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Keywords: functional utility itertools functools
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Platform: UNKNOWN
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Classifier: Development Status :: 5 - Production/Stable
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Classifier: License :: OSI Approved :: BSD License
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Classifier: Programming Language :: Python
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Classifier: Programming Language :: Python :: 2.6
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Classifier: Programming Language :: Python :: 2.7
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Classifier: Programming Language :: Python :: 3
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Classifier: Programming Language :: Python :: 3.3
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Classifier: Programming Language :: Python :: 3.4
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Classifier: Programming Language :: Python :: 3.5
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Classifier: Programming Language :: Python :: 3.6
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Classifier: Programming Language :: Python :: Implementation :: CPython
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Classifier: Programming Language :: Python :: Implementation :: PyPy
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Toolz
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=====
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|Build Status| |Coverage Status| |Version Status| |Downloads|
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A set of utility functions for iterators, functions, and dictionaries.
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See the PyToolz documentation at https://toolz.readthedocs.io
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LICENSE
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-------
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New BSD. See `License File <https://github.com/pytoolz/toolz/blob/master/LICENSE.txt>`__.
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Install
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-------
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``toolz`` is on the Python Package Index (PyPI):
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::
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pip install toolz
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Structure and Heritage
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----------------------
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``toolz`` is implemented in three parts:
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|literal itertoolz|_, for operations on iterables. Examples: ``groupby``,
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``unique``, ``interpose``,
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|literal functoolz|_, for higher-order functions. Examples: ``memoize``,
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``curry``, ``compose``
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|literal dicttoolz|_, for operations on dictionaries. Examples: ``assoc``,
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``update-in``, ``merge``.
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.. |literal itertoolz| replace:: ``itertoolz``
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.. _literal itertoolz: https://github.com/pytoolz/toolz/blob/master/toolz/itertoolz.py
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.. |literal functoolz| replace:: ``functoolz``
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.. _literal functoolz: https://github.com/pytoolz/toolz/blob/master/toolz/functoolz.py
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.. |literal dicttoolz| replace:: ``dicttoolz``
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.. _literal dicttoolz: https://github.com/pytoolz/toolz/blob/master/toolz/dicttoolz.py
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These functions come from the legacy of functional languages for list
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processing. They interoperate well to accomplish common complex tasks.
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Read our `API
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Documentation <https://toolz.readthedocs.io/en/latest/api.html>`__ for
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more details.
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Example
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-------
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This builds a standard wordcount function from pieces within ``toolz``:
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.. code:: python
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>>> def stem(word):
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... """ Stem word to primitive form """
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... return word.lower().rstrip(",.!:;'-\"").lstrip("'\"")
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>>> from toolz import compose, frequencies, partial
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>>> from toolz.curried import map
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>>> wordcount = compose(frequencies, map(stem), str.split)
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>>> sentence = "This cat jumped over this other cat!"
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>>> wordcount(sentence)
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{'this': 2, 'cat': 2, 'jumped': 1, 'over': 1, 'other': 1}
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Dependencies
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------------
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``toolz`` supports Python 2.6+ and Python 3.3+ with a common codebase.
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It is pure Python and requires no dependencies beyond the standard
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library.
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It is, in short, a light weight dependency.
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CyToolz
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-------
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The ``toolz`` project has been reimplemented in `Cython <http://cython.org>`__.
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The ``cytoolz`` project is a drop-in replacement for the Pure Python
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implementation.
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See `CyToolz Github Page <https://github.com/pytoolz/cytoolz/>`__ for more
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details.
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See Also
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--------
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- `Underscore.js <http://underscorejs.org>`__: A similar library for
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JavaScript
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- `Enumerable <http://ruby-doc.org/core-2.0.0/Enumerable.html>`__: A
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similar library for Ruby
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- `Clojure <http://clojure.org>`__: A functional language whose
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standard library has several counterparts in ``toolz``
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- `itertools <http://docs.python.org/2/library/itertools.html>`__: The
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Python standard library for iterator tools
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- `functools <http://docs.python.org/2/library/functools.html>`__: The
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Python standard library for function tools
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Contributions Welcome
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---------------------
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``toolz`` aims to be a repository for utility functions, particularly
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those that come from the functional programming and list processing
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traditions. We welcome contributions that fall within this scope.
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We also try to keep the API small to keep ``toolz`` manageable. The ideal
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contribution is significantly different from existing functions and has
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precedent in a few other functional systems.
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Please take a look at our
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`issue page <https://github.com/pytoolz/toolz/issues>`__
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for contribution ideas.
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Community
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---------
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See our `mailing list <https://groups.google.com/forum/#!forum/pytoolz>`__.
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We're friendly.
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.. |Build Status| image:: https://travis-ci.org/pytoolz/toolz.svg?branch=master
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:target: https://travis-ci.org/pytoolz/toolz
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.. |Coverage Status| image:: https://coveralls.io/repos/pytoolz/toolz/badge.svg?branch=master
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:target: https://coveralls.io/r/pytoolz/toolz
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.. |Version Status| image:: https://badge.fury.io/py/toolz.svg
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:target: http://badge.fury.io/py/toolz
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.. |Downloads| image:: https://img.shields.io/pypi/dm/toolz.svg
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:target: https://pypi.python.org/pypi/toolz/
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