Better csv fields sorting
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@@ -1635,9 +1635,10 @@ class Export(object):
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if self.file_format == 'csv':
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csv_data = helpers.flatten_dict(result)
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csv_headers = set().union(*csv_data)
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csv_headers = [field.split('.') for field in set().union(*csv_data)]
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csv_headers = ['.'.join(field) for field in sorted(csv_headers, key=lambda s: (len(s), s))]
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with open(filepath, 'w', encoding='utf-8', newline='') as outfile:
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writer = csv.DictWriter(outfile, sorted(csv_headers))
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writer = csv.DictWriter(outfile, csv_headers)
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writer.writeheader()
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writer.writerows(csv_data)
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