Add explanatory comments for why file is being closed.

00sudo · Mar 3, 2017 · 6d17757 · 6d17757
1 parent 9be1da4
commit 6d17757
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/email2pdf b/email2pdf
@@ -531,6 +531,8 @@ def add_update_pdf_metadata(filename, update_dictionary):
             info_dict.update({NameObject(key): createStringObject(full_update_dictionary[key])})
 
         os_file_out, temp_file_name = tempfile.mkstemp(prefix="email2pdf_add_update_pdf_metadata", suffix=".pdf")
+        # Immediately close the file as created to work around issue on
+        # Windows where file cannot be opened twice.
         os.close(os_file_out)
 
         with open(temp_file_name, 'wb') as file_out: