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Wes McKinney 286bf7c9d3 ARROW-4637: [Python] Conditionally import pandas symbols if they are used. Do not require pandas as a test dependency

Warning: hold your nose for this one =) I think this can be made cleaner, but I just wanted to triage all the problems and make sure we don't introduce a hard dependency on pandas again

Also resolves ARROW-4794: make pandas an optional dependency

Author: Wes McKinney <wesm+git@apache.org>

Closes #3893 from wesm/ARROW-4637 and squashes the following commits:

3c353b6b <Wes McKinney> do not override orc global mark in test_orc.py
59fdf8ab <Wes McKinney> Tweak pyarrow._orc import to see if it fixes MSVC
747c8937 <Wes McKinney> Address Python 2.7 unicode interaction issue with Cython
4d94b2e1 <Wes McKinney> Add benchmark from ARROW-4629
f7bf7741 <Wes McKinney> Cythonize pandas API shim for better performance
4a2549aa <Wes McKinney> Remove TF testing from travis_script_manylinux1.sh
5061c6e1 <Wes McKinney> Do not require pandas to run unit tests
385cfe55 <Wes McKinney> Finish pandas API shim; do not eagerly import pandas, add to CI
804587a0 <Wes McKinney> add import test script
bb0240e2 <Wes McKinney> Begin to refactor to make references to pandas more centralized and lazy

2019-03-19 11:59:30 -05:00

benchmarks

ARROW-4637: [Python] Conditionally import pandas symbols if they are used. Do not require pandas as a test dependency

2019-03-19 11:59:30 -05:00

examples

ARROW-4687: [Python] Stop Flight server on incoming signals

2019-02-28 18:55:23 +01:00

manylinux1

ARROW-4611: [C++] Rework CMake logic

2019-03-14 10:09:29 -05:00

pyarrow

ARROW-4637: [Python] Conditionally import pandas symbols if they are used. Do not require pandas as a test dependency

2019-03-19 11:59:30 -05:00

scripts

ARROW-4637: [Python] Conditionally import pandas symbols if they are used. Do not require pandas as a test dependency

2019-03-19 11:59:30 -05:00

.coveragerc

ARROW-2574: [Python] Add Cython and Python code coverage

2018-05-17 16:21:47 +02:00

.flake8.cython

ARROW-3576: [Python] Implemented compressed streams

2018-10-29 09:03:58 -04:00

.gitignore

ARROW-3146: [C++] Prototype Flight RPC client and server implementations

2018-09-20 16:56:50 -04:00

asv-build.sh

ARROW-4118: [Python] Fix benchmark setup for "asv run"

2019-01-09 16:14:25 -06:00

asv-install.sh

ARROW-3125: [Python] Update ASV instructions

2018-08-27 14:37:18 -04:00

asv-uninstall.sh

ARROW-3125: [Python] Update ASV instructions

2018-08-27 14:37:18 -04:00

asv.conf.json

ARROW-4118: [Python] Fix benchmark setup for "asv run"

2019-01-09 16:14:25 -06:00

Brewfile

ARROW-3539: [CI/Packaging] Update scripts to build against vendored jemalloc

2018-10-21 20:21:01 +02:00

cmake_modules

ARROW-1535: [Python] Enable sdist tarballs to be installed

2017-10-08 21:09:03 -04:00

CMakeLists.txt

ARROW-3162: Flight Python bindings

2019-02-14 18:16:56 +01:00

Dockerfile

ARROW-4909: [CI] Use hadolint to lint Dockerfiles

2019-03-18 17:31:32 +01:00

Dockerfile.alpine

ARROW-4909: [CI] Use hadolint to lint Dockerfiles

2019-03-18 17:31:32 +01:00

LICENSE.txt

ARROW-7: Add barebones Python library build toolchain

2016-03-07 14:42:32 -08:00

MANIFEST.in

ARROW-3012: [Python] Fix setuptools_scm usage

2018-08-09 10:12:15 -04:00

pyproject.toml

ARROW-4024: [Python] Raise minimal Cython version to 0.29

2019-02-09 15:04:51 -06:00

README.md

Add pypi / conda-forge version shields for pyarrow and r-arrow (#3959 )

2019-03-18 16:24:12 +01:00

requirements-build.txt

ARROW-4327: [Python] Add requirements-build.txt convenience file

2019-02-27 13:12:10 -06:00

requirements-test.txt

ARROW-4637: [Python] Conditionally import pandas symbols if they are used. Do not require pandas as a test dependency

2019-03-19 11:59:30 -05:00

requirements-wheel.txt

ARROW-4611: [C++] Rework CMake logic

2019-03-14 10:09:29 -05:00

requirements.txt

ARROW-3162: Flight Python bindings

2019-02-14 18:16:56 +01:00

setup.cfg

ARROW-1033: [Python] pytest discovers scripts/test_leak.py

2017-05-15 16:16:01 -04:00

setup.py

ARROW-3162: Flight Python bindings

2019-02-14 18:16:56 +01:00

README.md

Python library for Apache Arrow

This library provides a Python API for functionality provided by the Arrow C++ libraries, along with tools for Arrow integration and interoperability with pandas, NumPy, and other software in the Python ecosystem.

Installing

Across platforms, you can install a recent version of pyarrow with the conda package manager:

conda install pyarrow -c conda-forge

On Linux/macOS and Windows, you can also install binary wheels from PyPI with pip:

pip install pyarrow

Development

See Python Development in the documentation subproject.

Building the documentation

See documentation build instructions in the documentation subproject.