| Name | sizeof JSON |
| Version |
0.6.0
JSON |
| download |
| home_page | |
| Summary | Simple function for determining the memory usage of common Python values and objects. |
| upload_time | 2023-04-06 05:18:01 |
| maintainer | |
| docs_url | None |
| author | Andrei Lapets |
| requires_python | >=3.7 |
| license | MIT |
| keywords |
|
| VCS |
|
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
======
sizeof
======
Simple function for determining the memory usage of common Python values and objects.
|pypi| |readthedocs| |actions| |coveralls|
.. |pypi| image:: https://badge.fury.io/py/sizeof.svg
:target: https://badge.fury.io/py/sizeof
:alt: PyPI version and link.
.. |readthedocs| image:: https://readthedocs.org/projects/sizeof/badge/?version=latest
:target: https://sizeof.readthedocs.io/en/latest/?badge=latest
:alt: Read the Docs documentation status.
.. |actions| image:: https://github.com/lapets/sizeof/workflows/lint-test-cover-docs/badge.svg
:target: https://github.com/lapets/sizeof/actions/workflows/lint-test-cover-docs.yml
:alt: GitHub Actions status.
.. |coveralls| image:: https://coveralls.io/repos/github/lapets/sizeof/badge.svg?branch=main
:target: https://coveralls.io/github/lapets/sizeof?branch=main
:alt: Coveralls test coverage summary.
Installation and Usage
----------------------
This library is available as a `package on PyPI <https://pypi.org/project/sizeof>`__:
.. code-block:: bash
python -m pip install sizeof
The library can be imported in the usual ways:
.. code-block:: bash
import sizeof
from sizeof import sizeof
Examples
^^^^^^^^
.. |sizeof| replace:: ``sizeof``
.. _sizeof: https://sizeof.readthedocs.io/en/0.6.0/_source/sizeof.html#sizeof.sizeof.sizeof
The |sizeof|_ function can be applied to any value or object. By default, the function returns the memory consumed by that value or object (and **not** by any of the objects to which it may contain references):
.. code-block:: python
>>> from sizeof import sizeof
>>> sizeof(123.0123)
16
.. |arch| replace:: ``arch``
.. _arch: https://sizeof.readthedocs.io/en/0.6.0/_source/sizeof.html#sizeof.sizeof.arch
The amount of memory consumed for any given value or object is in part determined by the host architecture and the version of Python being used. The |arch|_ function can be used to determine whether the architecture is 32-bit or 64-bit:
.. code-block:: python
>>> from sizeof import arch
>>> arch()
32
The optional ``deep`` argument of the |sizeof|_ function makes it possible to calculate the memory consumed by an object and all of it descendants by reference:
.. code-block:: python
>>> sizeof([]) # Size of an empty list.
28
>>> sizeof([1]), sizeof([1, 2]) # Size of reference is 4.
(32, 36)
>>> sizeof(3) # Size of an integer.
14
>>> sizeof([1, 2, 3]) == 28 + (3 * 4)
True
>>> sizeof([1, 2, 3], deep=True) == 28 + (3 * (4 + 14))
True
Note that all of the examples above may return different results on your system and in your environment.
Development
-----------
All installation and development dependencies are fully specified in ``pyproject.toml``. The ``project.optional-dependencies`` object is used to `specify optional requirements <https://peps.python.org/pep-0621>`__ for various development tasks. This makes it possible to specify additional options (such as ``docs``, ``lint``, and so on) when performing installation using `pip <https://pypi.org/project/pip>`__:
.. code-block:: bash
python -m pip install .[docs,lint]
Documentation
^^^^^^^^^^^^^
The documentation can be generated automatically from the source files using `Sphinx <https://www.sphinx-doc.org>`__:
.. code-block:: bash
python -m pip install .[docs]
cd docs
sphinx-apidoc -f -E --templatedir=_templates -o _source .. && make html
Testing and Conventions
^^^^^^^^^^^^^^^^^^^^^^^
All unit tests are executed and their coverage is measured when using `pytest <https://docs.pytest.org>`__ (see the ``pyproject.toml`` file for configuration details):
.. code-block:: bash
python -m pip install .[test]
python -m pytest
Alternatively, all unit tests are included in the module itself and can be executed using `doctest <https://docs.python.org/3/library/doctest.html>`__:
.. code-block:: bash
python src/sizeof/sizeof.py -v
Style conventions are enforced using `Pylint <https://pylint.readthedocs.io>`__:
.. code-block:: bash
python -m pip install .[lint]
python -m pylint src/sizeof
Contributions
^^^^^^^^^^^^^
In order to contribute to the source code, open an issue or submit a pull request on the `GitHub page <https://github.com/lapets/sizeof>`__ for this library.
Versioning
^^^^^^^^^^
The version number format for this library and the changes to the library associated with version number increments conform with `Semantic Versioning 2.0.0 <https://semver.org/#semantic-versioning-200>`__.
Publishing
^^^^^^^^^^
This library can be published as a `package on PyPI <https://pypi.org/project/sizeof>`__ by a package maintainer. First, install the dependencies required for packaging and publishing:
.. code-block:: bash
python -m pip install .[publish]
Ensure that the correct version number appears in ``pyproject.toml``, and that any links in this README document to the Read the Docs documentation of this package (or its dependencies) have appropriate version numbers. Also ensure that the Read the Docs project for this library has an `automation rule <https://docs.readthedocs.io/en/stable/automation-rules.html>`__ that activates and sets as the default all tagged versions. Create and push a tag for this version (replacing ``?.?.?`` with the version number):
.. code-block:: bash
git tag ?.?.?
git push origin ?.?.?
Remove any old build/distribution files. Then, package the source into a distribution archive:
.. code-block:: bash
rm -rf build dist src/*.egg-info
python -m build --sdist --wheel .
Finally, upload the package distribution archive to `PyPI <https://pypi.org>`__:
.. code-block:: bash
python -m twine upload dist/*
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"description": "======\r\nsizeof\r\n======\r\n\r\nSimple function for determining the memory usage of common Python values and objects.\r\n\r\n|pypi| |readthedocs| |actions| |coveralls|\r\n\r\n.. |pypi| image:: https://badge.fury.io/py/sizeof.svg\r\n :target: https://badge.fury.io/py/sizeof\r\n :alt: PyPI version and link.\r\n\r\n.. |readthedocs| image:: https://readthedocs.org/projects/sizeof/badge/?version=latest\r\n :target: https://sizeof.readthedocs.io/en/latest/?badge=latest\r\n :alt: Read the Docs documentation status.\r\n\r\n.. |actions| image:: https://github.com/lapets/sizeof/workflows/lint-test-cover-docs/badge.svg\r\n :target: https://github.com/lapets/sizeof/actions/workflows/lint-test-cover-docs.yml\r\n :alt: GitHub Actions status.\r\n\r\n.. |coveralls| image:: https://coveralls.io/repos/github/lapets/sizeof/badge.svg?branch=main\r\n :target: https://coveralls.io/github/lapets/sizeof?branch=main\r\n :alt: Coveralls test coverage summary.\r\n\r\nInstallation and Usage\r\n----------------------\r\nThis library is available as a `package on PyPI <https://pypi.org/project/sizeof>`__:\r\n\r\n.. code-block:: bash\r\n\r\n python -m pip install sizeof\r\n\r\nThe library can be imported in the usual ways:\r\n\r\n.. code-block:: bash\r\n\r\n import sizeof\r\n from sizeof import sizeof\r\n\r\nExamples\r\n^^^^^^^^\r\n\r\n.. |sizeof| replace:: ``sizeof``\r\n.. _sizeof: https://sizeof.readthedocs.io/en/0.6.0/_source/sizeof.html#sizeof.sizeof.sizeof\r\n\r\nThe |sizeof|_ function can be applied to any value or object. By default, the function returns the memory consumed by that value or object (and **not** by any of the objects to which it may contain references):\r\n\r\n.. code-block:: python\r\n\r\n >>> from sizeof import sizeof\r\n >>> sizeof(123.0123)\r\n 16\r\n\r\n.. |arch| replace:: ``arch``\r\n.. _arch: https://sizeof.readthedocs.io/en/0.6.0/_source/sizeof.html#sizeof.sizeof.arch\r\n\r\nThe amount of memory consumed for any given value or object is in part determined by the host architecture and the version of Python being used. The |arch|_ function can be used to determine whether the architecture is 32-bit or 64-bit:\r\n\r\n.. code-block:: python\r\n\r\n >>> from sizeof import arch\r\n >>> arch()\r\n 32\r\n\r\nThe optional ``deep`` argument of the |sizeof|_ function makes it possible to calculate the memory consumed by an object and all of it descendants by reference:\r\n\r\n.. code-block:: python\r\n\r\n >>> sizeof([]) # Size of an empty list.\r\n 28\r\n >>> sizeof([1]), sizeof([1, 2]) # Size of reference is 4.\r\n (32, 36)\r\n >>> sizeof(3) # Size of an integer.\r\n 14\r\n >>> sizeof([1, 2, 3]) == 28 + (3 * 4)\r\n True\r\n >>> sizeof([1, 2, 3], deep=True) == 28 + (3 * (4 + 14))\r\n True\r\n\r\nNote that all of the examples above may return different results on your system and in your environment.\r\n\r\nDevelopment\r\n-----------\r\nAll installation and development dependencies are fully specified in ``pyproject.toml``. The ``project.optional-dependencies`` object is used to `specify optional requirements <https://peps.python.org/pep-0621>`__ for various development tasks. This makes it possible to specify additional options (such as ``docs``, ``lint``, and so on) when performing installation using `pip <https://pypi.org/project/pip>`__:\r\n\r\n.. code-block:: bash\r\n\r\n python -m pip install .[docs,lint]\r\n\r\nDocumentation\r\n^^^^^^^^^^^^^\r\nThe documentation can be generated automatically from the source files using `Sphinx <https://www.sphinx-doc.org>`__:\r\n\r\n.. code-block:: bash\r\n\r\n python -m pip install .[docs]\r\n cd docs\r\n sphinx-apidoc -f -E --templatedir=_templates -o _source .. && make html\r\n\r\nTesting and Conventions\r\n^^^^^^^^^^^^^^^^^^^^^^^\r\nAll unit tests are executed and their coverage is measured when using `pytest <https://docs.pytest.org>`__ (see the ``pyproject.toml`` file for configuration details):\r\n\r\n.. code-block:: bash\r\n\r\n python -m pip install .[test]\r\n python -m pytest\r\n\r\nAlternatively, all unit tests are included in the module itself and can be executed using `doctest <https://docs.python.org/3/library/doctest.html>`__:\r\n\r\n.. code-block:: bash\r\n\r\n python src/sizeof/sizeof.py -v\r\n\r\nStyle conventions are enforced using `Pylint <https://pylint.readthedocs.io>`__:\r\n\r\n.. code-block:: bash\r\n\r\n python -m pip install .[lint]\r\n python -m pylint src/sizeof\r\n\r\nContributions\r\n^^^^^^^^^^^^^\r\nIn order to contribute to the source code, open an issue or submit a pull request on the `GitHub page <https://github.com/lapets/sizeof>`__ for this library.\r\n\r\nVersioning\r\n^^^^^^^^^^\r\nThe version number format for this library and the changes to the library associated with version number increments conform with `Semantic Versioning 2.0.0 <https://semver.org/#semantic-versioning-200>`__.\r\n\r\nPublishing\r\n^^^^^^^^^^\r\nThis library can be published as a `package on PyPI <https://pypi.org/project/sizeof>`__ by a package maintainer. First, install the dependencies required for packaging and publishing:\r\n\r\n.. code-block:: bash\r\n\r\n python -m pip install .[publish]\r\n\r\nEnsure that the correct version number appears in ``pyproject.toml``, and that any links in this README document to the Read the Docs documentation of this package (or its dependencies) have appropriate version numbers. Also ensure that the Read the Docs project for this library has an `automation rule <https://docs.readthedocs.io/en/stable/automation-rules.html>`__ that activates and sets as the default all tagged versions. Create and push a tag for this version (replacing ``?.?.?`` with the version number):\r\n\r\n.. code-block:: bash\r\n\r\n git tag ?.?.?\r\n git push origin ?.?.?\r\n\r\nRemove any old build/distribution files. 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