# Recoll user manual
Python interface

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#### Compatibility with the previous version

The following code fragments can be used to ensure that code can run with both the old and the new API (as long as it does not use the new abilities of the new API of course).

Adapting to the new package structure:

    try:
        from recoll import recoll
        from recoll import rclextract
        hasextract = True
    except:
        import recoll
        hasextract = False

Adapting to the change of nature of the `next` `Query` member. The same test can be used to choose to use the `scroll()` method (new) or set the `next` value (old).

           rownum = query.next if type(query.next) == int else \
                     query.rownumber

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