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Small library for in-memory aggregation.

Project description

CI status: cistatus

This library is a thin python wrapper around counter and timer implementation in https://raw.github.com/armon/statsite

Installing

pystat can be installed via pypi:

pip install pystat

Building

Get the source:

git clone https://github.com/blackwithwhite666/pystat.git

Compile extension:

python setup.py build_ext --inplace

Usage

Counter example:

from pystat import Counter
counter = Counter()
counter.add()
assert 1 == int(counter)
counter.add()
assert 2 == int(counter)
counter.add(5)
assert 7 == int(counter)
assert 3 == len(counter)
assert 5.0 == counter.max
assert 1.0 == counter.min
assert 2.333.. == counter.mean
assert 2.309.. == counter.stddev

Timer example:

from pystat import Timer
timer = Timer()
timer.add(1.0)
assert 1 == int(timer)
timer.add(1.0)
assert 2 == int(timer)
timer.add(5)
assert 7 == int(timer)
assert (0.5, 0.95, 0.99) == timer.quantiles
assert 5.0 == timer.query(0.99)
assert 1.0 == timer.query(0.5)

Running the test suite

Use Tox to run the test suite:

tox

Changelog

0.2.4

  • Add support for load and dump;
  • Check for overflow in __len__;

0.2.3

  • Support for fluent interface;

0.2.2

  • PlainCounter implementation;

0.2.1

  • Counter can take some iterable to constructor;

0.2.0

  • Add serialization support for Counter;
  • Add union support for Counter;

0.1.0 (initial release)

  • Prototype.

Project details


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