Merge pull request #1186 from Kaggle/add-openpyxl

Add openpyxl

Author: djherbis

Dockerfile.tmpl

@@ -514,6 +514,7 @@ RUN pip install flashtext && \
     pip install pandarallel && \
     pip install onnx && \
     pip install tables && \
+    pip install openpyxl && \
     /tmp/clean-layer.sh
 
 # Download base easyocr models.

tests/test_openpyxl.py

@@ -0,0 +1,13 @@
+import unittest
+
+import pandas as pd
+from pandas.testing import assert_frame_equal
+
+
+class TestPandasOpenPyXL(unittest.TestCase):
+
+    def test_rw_excel(self):
+        want = pd.DataFrame([[1, 10, 'a']], columns=['x', 'y', 'z'])
+        want.to_excel('./want.xlsx', index=False, engine="openpyxl")
+        got = pd.read_excel('./want.xlsx', engine="openpyxl")
+        assert_frame_equal(want, got)