fix(commandutil): Ensure output is always encoded to utf-8

Author: chriswmackey

ladybug/commandutil.py

@@ -1,5 +1,6 @@
 # coding=utf-8
 """Utility functions for running the functions of CLI commands outside of the CLI."""
+import sys
 import os
 
 
@@ -49,11 +50,20 @@ def process_content_to_output(content_str, output_file=None):
         dir_name = os.path.dirname(os.path.abspath(output_file))
         if not os.path.isdir(dir_name):
             os.makedirs(dir_name)
-        with open(output_file, 'w') as of:
-            of.write(content_str)
+        if (sys.version_info < (3, 0)):  # we need to manually encode it as UTF-8
+            with open(output_file, 'w') as of:
+                of.write(content_str.encode('utf-8'))
+        else:
+            with open(output_file, 'w', encoding='utf-8') as of:
+                of.write(content_str)
     else:
         if 'stdout' not in str(output_file):
             dir_name = os.path.dirname(os.path.abspath(output_file.name))
             if not os.path.isdir(dir_name):
                 os.makedirs(dir_name)
-        output_file.write(content_str)
+        if (sys.version_info < (3, 0)):  # we need to manually encode it as UTF-8
+            with open(output_file, 'w') as of:
+                of.write(content_str.encode('utf-8'))
+        else:
+            with open(output_file, 'w', encoding='utf-8') as of:
+                of.write(content_str)