ENH: ODS support added

Orange/data/io.py

@@ -15,7 +15,7 @@
 from importlib import import_module
 from itertools import chain, repeat
 from math import isnan
-# from pyexcel_ods import save_data as ods_write
+from pyexcel_ods import save_data as ods_write
 
 from os import path, remove
 from tempfile import NamedTemporaryFile
@@ -1037,10 +1037,9 @@ def write_file(cls, filename, data):
                     sheet.write(i+1, j, fmt(v))
                     j += 1
             workbook.save(filename)
-        # elif filename.endswith(".ods"):
-        #     ods_formatted_data = [[float(fmt(v)) for fmt, v in zip(formatters, flatten(row))] for row in zipped_list_data]
-        #     print(ods_formatted_data)
-        #     ods_write(filename, {"Sheet1": ods_formatted_data})
+        elif filename.endswith(".ods"):
+            ods_formatted_data = [[str(fmt(v)) for fmt, v in zip(formatters, flatten(row))] for row in zipped_list_data]
+            ods_write(filename, {"Sheet1": [headers] + ods_formatted_data})
 
 
 class DotReader(FileFormat):

requirements-core.txt

@@ -6,7 +6,9 @@ bottleneck>=1.0.0
 # Reading Excel files
 xlrd>=0.9.2
 # Writing Excel Files
-xlwt>=
+xlwt>=1.3.0
+# Writing ods files
+pyexcel-ods>=0.5.3
 # Encoding detection
 chardet>=3.0.2
 # Multiprocessing abstraction