[Python] In Django `import-export` lib how to pass row if values in few rows don't meet...

I have a few dynamic fields (2) in ModelResource class. I need to export a row only if at least one of those fields has a value:

+----+-------+-------+
| ID | col A | col B |
+====+=======+=======+
| 1 | | value | # <-- exports
+----+-------+-------+
| 2 | value | | # <-- exports
+----+-------+-------+
| 3 | | | # <-- passes as no values in both columns
+----+-------+-------+


Is there a way to achive this goal in import-export lib or I have to edit a tablib dataset ? P.S. Data exports to Excel if that matters.

Continue reading...