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Repository for the Astropy core package
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bsipocz Merge pull request #9624 from taldcroft/time-fix-mask-init
Fix bug when Time object is created with only masked elements
Latest commit 24b0f59 Nov 18, 2019
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.circleci Disable progress bars in pip install Nov 18, 2019
.github Fix PR template [ci skip] Oct 8, 2019
astropy Merge pull request #9624 from taldcroft/time-fix-mask-init Nov 19, 2019
astropy_helpers @ 83d69ed Updating astropy_helpers to v4.0rc1 Nov 18, 2019
cextern Also add a way to access the ERFA leap second table. Oct 25, 2019
docs Merge pull request #9621 from astrofrog/fix-docs-warnings Nov 18, 2019
examples Avoid warnings in documentation build Nov 18, 2019
licenses Add python license Oct 24, 2018
static Fixed support on Python 3, and got rid of .astropy-root per astropy/a… Nov 24, 2014
.astropy-root Don't rely on .git to enable auto-build when importing from source tr… Jul 9, 2015
.gitattributes Use union merge for changelog Dec 16, 2014
.gitignore Add DLLs to gitignore May 16, 2019
.gitmodules Make use of astropy affiliated package infrastructure Jun 12, 2014
.mailmap Adding mailmap for the rest of the coordinated and infrastructure pac… Sep 24, 2019
.readthedocs.yml Remove version pinnings for docs build Oct 30, 2019
.travis.yml Use pre-releases for Python 3.8-dev Nov 17, 2019
CHANGES.rst Merge pull request #9624 from taldcroft/time-fix-mask-init Nov 19, 2019
CITATION Moving the CITATION file to be included in the release/install Aug 9, 2018 More wording improvements [ci skip] Aug 4, 2018 Changing the minimum supported numpy version to 1.16 Oct 7, 2019 NumFOCUS: Add to project root Apr 1, 2019
LICENSE.rst Move Astropy LICENSE file to the root Mar 30, 2017 Remove .hidden_file.txt and sphinx from MANIFEST Aug 27, 2018
README.rst TST: Move Windows build from Appveyor to Travis Jul 31, 2019 Updating astropy helpers to v3.2.2 Oct 25, 2019
codecov.yml Added codecov.yml and disable codecov comments Jun 19, 2019 Don't error if pytest-astropy-header is not installed Oct 26, 2019
pip-requirements Added empty pip requirements file with migration instructions Dec 7, 2018
setup.cfg Use pre-releases for Python 3.8-dev Nov 17, 2019 Updated minimum required version of Cython to ensure that we generate… Sep 2, 2019



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The Astropy Project ( is a community effort to develop a single core package for Astronomy in Python and foster interoperability between Python astronomy packages. This repository contains the core package which is intended to contain much of the core functionality and some common tools needed for performing astronomy and astrophysics with Python.

Releases are registered on PyPI, and development is occurring at the project's GitHub page.

For installation instructions, see the online documentation or docs/install.rst in this source distribution.

Contributing Code, Documentation, or Feedback

The Astropy Project is made both by and for its users, so we welcome and encourage contributions of many kinds. Our goal is to keep this a positive, inclusive, successful, and growing community by abiding with the Astropy Community Code of Conduct.

More detailed information on contributing to the project or submitting feedback can be found on the contributions page. A summary of contribution guidelines can also be used as a quick reference when you are ready to start writing or validating code for submission.

Supporting the Project

Powered by NumFOCUS Donate

The Astropy Project is sponsored by NumFOCUS, a 501(c)(3) nonprofit in the United States. You can donate to the project by using the link above, and this donation will support our mission to promote sustainable, high-level code base for the astronomy community, open code development, educational materials, and reproducible scientific research.


Astropy is licensed under a 3-clause BSD style license - see the LICENSE.rst file.

Notes for Package Managers

For system packagers: Please install astropy with the command:

$ python --offline install

This will prevent the astropy_helpers bootstrap script from attempting to reach out to PyPI.

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