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step 1 uses BSD db intermediate files #29

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
step1.py generates a number of intermediate files, in the BSD database
format.  This adds complexity to the code and to the run environment and
causes a dependency on the bsddb module (which will be removed in some
future Python).

All data-flow within the step should take place via Python iterators
instead.  This will cause the code to be naturally and transparently pipelined.

Original issue reported on code.google.com by nick.bar...@gmail.com on 26 Jan 2010 at 10:24