more-itertools
More routines for operating on iterables, beyond itertools
Decision gist · record as of 2026-08-14
Yes. More-itertools is a mature, well-maintained library with zero security vulnerabilities, no external dependencies, and broad Python version support. It fills genuine gaps in the standard library and is widely used (top 1000 PyPI packages). Install it if your code works with iterables and needs patterns beyond what itertools provides.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later.
- Low friction installation with no runtime dependencies.
- Active maintenance with a recent release 84 days ago and consistent commit activity.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution in both open-source and commercial projects with minimal restrictions.
last release 2026-05-22 (84 days) · last repo commit 2026-08-12 · 4,088 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 351,130,981 downloads/mo, #116 on PyPI
Alternatives
Verify before relying
pip install more-itertools
from more_itertools import chunked
data = range(10)
for chunk in chunked(data, 3):
print(chunk)What it is and what it does
More-itertools is a library that extends Python's standard itertools module with additional utilities for working with iterables. It provides recipes and building blocks for common iteration patterns that aren't included in the standard library, organized into categories like grouping (chunked, batched, partition), windowing (sliding_window, pairwise), lookahead (peekable, spy), and augmenting (intersperse, padded).
The package is designed as a lightweight, dependency-free addition to itertools that lets you compose elegant solutions for iteration problems. It's actively maintained, supports modern Python versions, and has been in development since 2012, making it a stable choice for projects that need more sophisticated iteration patterns beyond what the standard library offers.
Use it for
- Process large datasets in fixed-size batches without loading everything into memory at once.
- Implement sliding window algorithms for time-series analysis or pattern detection.
- Peek at the next element in an iterator without consuming it, for conditional branching logic.
- Split sequences based on predicates or delimiters for data parsing and transformation.
- Group related items from an iterable using custom grouping logic.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
More-itertools is a mature, well-maintained library with zero security vulnerabilities, no external dependencies, and broad Python version support. It fills genuine gaps in the standard library and is widely used (top 1000 PyPI packages). Install it if your code works with iterables and needs patterns beyond what itertools provides.
Install
more-itertools on PyPI
Before you install
Low friction installation with no runtime dependencies. Active maintenance with a recent release 84 days ago and consistent commit activity. Supports current Python versions (3.10 through 3.14) and both CPython and PyPy implementations.
Requires Python 3.10 or later.
License in practice
MIT license permits unrestricted use, modification, and distribution in both open-source and commercial projects with minimal restrictions.
Quickstart
pip install more-itertools
from more_itertools import chunked
data = range(10)
for chunk in chunked(data, 3):
print(chunk)Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 84 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 351,130,981 / month, #116 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersNatural Language :: EnglishProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPyTopic :: Software Development :: Libraries |
Evidence: more_itertools-11.1.0-py3-none-any.whl
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See also jaraco.itertools · lmz · aioitertools · cytoolz · toolz · asyncstdlib · flupy · pockets · asyncstdlib-fw · pipe