From 8aa8c0ddc62922e017a2f136f74fd08571ecf3ea Mon Sep 17 00:00:00 2001
From: Marco Edward Gorelli <33491632+MarcoGorelli@users.noreply.github.com>
Date: Thu, 9 Feb 2023 17:39:27 +0000
Subject: [PATCH] Add polars

https://www.pola.rs/

This one's well good, and is growing in popularity
---
 Dockerfile.tmpl      |  1 +
 tests/test_polars.py | 10 ++++++++++
 2 files changed, 11 insertions(+)
 create mode 100644 tests/test_polars.py

diff --git a/Dockerfile.tmpl b/Dockerfile.tmpl
index 61b3fbba..714d73a4 100644
--- a/Dockerfile.tmpl
+++ b/Dockerfile.tmpl
@@ -190,6 +190,7 @@ RUN pip install pysal \
         seaborn python-dateutil dask python-igraph \
         pyyaml joblib husl geopy mne pyshp \
         pandas \
+        polars \
         flax && \
     # Install h2o from source.
     # Use `conda install -c h2oai h2o` once Python 3.7 version is released to conda.
diff --git a/tests/test_polars.py b/tests/test_polars.py
new file mode 100644
index 00000000..c81a0b80
--- /dev/null
+++ b/tests/test_polars.py
@@ -0,0 +1,10 @@
+import unittest
+
+import polars as pl
+
+class TestPolars(unittest.TestCase):    
+    def test_read_csv(self):
+        data = pl.read_csv("/input/tests/data/train.csv")
+
+        self.assertEqual(100, len(data))
+