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

..

test_imports.py

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

test_leak.py

ARROW-3324: [Python] Destroy temporary metadata builder classes more eagerly when building files to reduce memory usage

2018-12-26 22:38:00 -06:00