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问题:

I am looking for an object database for Python (no handmade pickles :D).

What are my options (besides the obvious ZODB)?

回答1:

MongoDB perhaps comes close - not object oriented but document-oriented and coming close to object databases.

回答2:

Dobbin. Somewhat similar to ZODB, but much simpler. It looks nice but I haven't tried it myself. I haven't been able to find much information about it. It has been at version 0.2 for over a year. I don't know if it is still being actively maintained, if it is reliable enough for mission-critical applications.

From the description on the site, the main difference between Dobbin and other object databases is that persisted objects are read-only unless they are explicitly "checked out". This may make dealing with objects a little trickier, but it may make the database faster and more memory-efficient.

回答3:

handmade shelves? ;-)
Durus?
SqlAlchemy? it's not an object database, but chances are that you could use it

Check PersistenceTools on the python.org wiki, which mentions a few that might count. (the DatabaseProgramming page also mentions Matisse under "Non-relational Databases", I don't know it, just mention it because for some reason, it's not included on that other page)

回答4:

DyBASE by Konstantin Knizhnik who developed a lot of embedded databases for multiple programming languages. It has transactions and indices. There are tests in the distribution and I use it myself for persisting elements in a Python Queue. My example is also available at github as python-persistence-queue