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2024-05-03 04:18:51 +03:00
Metadata-Version: 2.1
Name: more-itertools
Version: 10.2.0
Summary: More routines for operating on iterables, beyond itertools
Keywords: itertools,iterator,iteration,filter,peek,peekable,chunk,chunked
Author-email: Erik Rose <erikrose@grinchcentral.com>
Requires-Python: >=3.8
Description-Content-Type: text/x-rst
Classifier: Development Status :: 5 - Production/Stable
Classifier: Intended Audience :: Developers
Classifier: Natural Language :: English
Classifier: License :: OSI Approved :: MIT License
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: Programming Language :: Python :: 3 :: Only
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Programming Language :: Python :: Implementation :: PyPy
Classifier: Topic :: Software Development :: Libraries
Project-URL: Homepage, https://github.com/more-itertools/more-itertools
==============
More Itertools
==============
.. image:: https://readthedocs.org/projects/more-itertools/badge/?version=latest
:target: https://more-itertools.readthedocs.io/en/stable/
Python's ``itertools`` library is a gem - you can compose elegant solutions
for a variety of problems with the functions it provides. In ``more-itertools``
we collect additional building blocks, recipes, and routines for working with
Python iterables.
+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Grouping | `chunked <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.chunked>`_, |
| | `ichunked <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.ichunked>`_, |
| | `chunked_even <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.chunked_even>`_, |
| | `sliced <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.sliced>`_, |
| | `constrained_batches <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.constrained_batches>`_, |
| | `distribute <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.distribute>`_, |
| | `divide <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.divide>`_, |
| | `split_at <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.split_at>`_, |
| | `split_before <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.split_before>`_, |
| | `split_after <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.split_after>`_, |
| | `split_into <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.split_into>`_, |
| | `split_when <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.split_when>`_, |
| | `bucket <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.bucket>`_, |
| | `unzip <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.unzip>`_, |
| | `batched <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.batched>`_, |
| | `grouper <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.grouper>`_, |
| | `partition <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.partition>`_, |
| | `transpose <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.transpose>`_ |
+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Lookahead and lookback | `spy <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.spy>`_, |
| | `peekable <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.peekable>`_, |
| | `seekable <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.seekable>`_ |
+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Windowing | `windowed <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.windowed>`_, |
| | `substrings <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.substrings>`_, |
| | `substrings_indexes <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.substrings_indexes>`_, |
| | `stagger <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.stagger>`_, |
| | `windowed_complete <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.windowed_complete>`_, |
| | `pairwise <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.pairwise>`_, |
| | `triplewise <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.triplewise>`_, |
| | `sliding_window <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.sliding_window>`_, |
| | `subslices <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.subslices>`_ |
+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Augmenting | `count_cycle <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.count_cycle>`_, |
| | `intersperse <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.intersperse>`_, |
| | `padded <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.padded>`_, |
| | `repeat_each <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.repeat_each>`_, |
| | `mark_ends <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.mark_ends>`_, |
| | `repeat_last <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.repeat_last>`_, |
| | `adjacent <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.adjacent>`_, |
| | `groupby_transform <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.groupby_transform>`_, |
| | `pad_none <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.pad_none>`_, |
| | `ncycles <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.ncycles>`_ |
+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Combining | `collapse <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.collapse>`_, |
| | `sort_together <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.sort_together>`_, |
| | `interleave <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.interleave>`_, |
| | `interleave_longest <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.interleave_longest>`_, |
| | `interleave_evenly <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.interleave_evenly>`_, |
| | `zip_offset <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.zip_offset>`_, |
| | `zip_equal <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.zip_equal>`_, |
| | `zip_broadcast <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.zip_broadcast>`_, |
| | `dotproduct <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.dotproduct>`_, |
| | `convolve <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.convolve>`_, |
| | `flatten <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.flatten>`_, |
| | `roundrobin <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.roundrobin>`_, |
| | `prepend <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.prepend>`_, |
| | `value_chain <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.value_chain>`_, |
| | `partial_product <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.partial_product>`_ |
+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Summarizing | `ilen <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.ilen>`_, |
| | `unique_to_each <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.unique_to_each>`_, |
| | `sample <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.sample>`_, |
| | `consecutive_groups <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.consecutive_groups>`_, |
| | `run_length <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.run_length>`_, |
| | `map_reduce <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.map_reduce>`_, |
| | `exactly_n <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.exactly_n>`_, |
| | `is_sorted <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.is_sorted>`_, |
| | `all_equal <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.all_equal>`_, |
| | `all_unique <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.all_unique>`_, |
| | `minmax <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.minmax>`_, |
| | `first_true <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.first_true>`_, |
| | `quantify <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.quantify>`_, |
| | `iequals <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.iequals>`_ |
+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Selecting | `islice_extended <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.islice_extended>`_, |
| | `first <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.first>`_, |
| | `last <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.last>`_, |
| | `one <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.one>`_, |
| | `only <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.only>`_, |
| | `strictly_n <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.strictly_n>`_, |
| | `strip <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.strip>`_, |
| | `lstrip <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.lstrip>`_, |
| | `rstrip <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.rstrip>`_, |
| | `filter_except <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.filter_except>`_, |
| | `map_except <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.map_except>`_, |
| | `filter_map <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.filter_map>`_, |
| | `iter_suppress <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.iter_suppress>`_, |
| | `nth_or_last <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.nth_or_last>`_, |
| | `unique_in_window <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.unique_in_window>`_, |
| | `before_and_after <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.before_and_after>`_, |
| | `nth <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.nth>`_, |
| | `take <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.take>`_, |
| | `tail <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.tail>`_, |
| | `unique_everseen <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.unique_everseen>`_, |
| | `unique_justseen <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.unique_justseen>`_, |
| | `duplicates_everseen <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.duplicates_everseen>`_, |
| | `duplicates_justseen <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.duplicates_justseen>`_, |
| | `classify_unique <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.classify_unique>`_, |
| | `longest_common_prefix <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.longest_common_prefix>`_, |
| | `takewhile_inclusive <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.takewhile_inclusive>`_ |
+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Combinatorics | `distinct_permutations <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.distinct_permutations>`_, |
| | `distinct_combinations <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.distinct_combinations>`_, |
| | `circular_shifts <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.circular_shifts>`_, |
| | `partitions <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.partitions>`_, |
| | `set_partitions <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.set_partitions>`_, |
| | `product_index <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.product_index>`_, |
| | `combination_index <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.combination_index>`_, |
| | `permutation_index <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.permutation_index>`_, |
| | `combination_with_replacement_index <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.combination_with_replacement_index>`_, |
| | `gray_product <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.gray_product>`_, |
| | `outer_product <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.outer_product>`_, |
| | `powerset <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.powerset>`_, |
| | `random_product <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.random_product>`_, |
| | `random_permutation <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.random_permutation>`_, |
| | `random_combination <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.random_combination>`_, |
| | `random_combination_with_replacement <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.random_combination_with_replacement>`_, |
| | `nth_product <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.nth_product>`_, |
| | `nth_permutation <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.nth_permutation>`_, |
| | `nth_combination <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.nth_combination>`_, |
| | `nth_combination_with_replacement <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.nth_combination_with_replacement>`_ |
+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Wrapping | `always_iterable <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.always_iterable>`_, |
| | `always_reversible <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.always_reversible>`_, |
| | `countable <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.countable>`_, |
| | `consumer <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.consumer>`_, |
| | `with_iter <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.with_iter>`_, |
| | `iter_except <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.iter_except>`_ |
+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Others | `locate <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.locate>`_, |
| | `rlocate <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.rlocate>`_, |
| | `replace <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.replace>`_, |
| | `numeric_range <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.numeric_range>`_, |
| | `side_effect <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.side_effect>`_, |
| | `iterate <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.iterate>`_, |
| | `difference <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.difference>`_, |
| | `make_decorator <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.make_decorator>`_, |
| | `SequenceView <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.SequenceView>`_, |
| | `time_limited <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.time_limited>`_, |
| | `map_if <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.map_if>`_, |
| | `iter_index <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.iter_index>`_, |
| | `consume <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.consume>`_, |
| | `tabulate <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.tabulate>`_, |
| | `repeatfunc <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.repeatfunc>`_, |
| | `polynomial_from_roots <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.polynomial_from_roots>`_, |
| | `polynomial_eval <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.polynomial_eval>`_, |
| | `polynomial_derivative <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.polynomial_derivative>`_, |
| | `sieve <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.sieve>`_, |
| | `factor <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.factor>`_, |
| | `matmul <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.matmul>`_, |
| | `sum_of_squares <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.sum_of_squares>`_, |
| | `totient <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.totient>`_, |
| | `reshape <https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.reshape>`_ |
+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
Getting started
===============
To get started, install the library with `pip <https://pip.pypa.io/en/stable/>`_:
.. code-block:: shell
pip install more-itertools
The recipes from the `itertools docs <https://docs.python.org/3/library/itertools.html#itertools-recipes>`_
are included in the top-level package:
.. code-block:: python
>>> from more_itertools import flatten
>>> iterable = [(0, 1), (2, 3)]
>>> list(flatten(iterable))
[0, 1, 2, 3]
Several new recipes are available as well:
.. code-block:: python
>>> from more_itertools import chunked
>>> iterable = [0, 1, 2, 3, 4, 5, 6, 7, 8]
>>> list(chunked(iterable, 3))
[[0, 1, 2], [3, 4, 5], [6, 7, 8]]
>>> from more_itertools import spy
>>> iterable = (x * x for x in range(1, 6))
>>> head, iterable = spy(iterable, n=3)
>>> list(head)
[1, 4, 9]
>>> list(iterable)
[1, 4, 9, 16, 25]
For the full listing of functions, see the `API documentation <https://more-itertools.readthedocs.io/en/stable/api.html>`_.
Links elsewhere
===============
Blog posts about ``more-itertools``:
* `Yo, I heard you like decorators <https://www.bbayles.com/index/decorator_factory>`__
* `Tour of Python Itertools <https://martinheinz.dev/blog/16>`__ (`Alternate <https://dev.to/martinheinz/tour-of-python-itertools-4122>`__)
* `Real-World Python More Itertools <https://www.gidware.com/real-world-more-itertools/>`_
Development
===========
``more-itertools`` is maintained by `@erikrose <https://github.com/erikrose>`_
and `@bbayles <https://github.com/bbayles>`_, with help from `many others <https://github.com/more-itertools/more-itertools/graphs/contributors>`_.
If you have a problem or suggestion, please file a bug or pull request in this
repository. Thanks for contributing!
Version History
===============
The version history can be found in `documentation <https://more-itertools.readthedocs.io/en/stable/versions.html>`_.