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6. The SQL schema

Here we begin the actual code inside pycbc.py. The code is presented in lightweight literate programming style, with the name of the destination file displayed above the top right side of each code block.

6.1. pycbc.py: Prologue

The pycbc.py file starts with a brief comment that points back at this documentation.

pycbc.py
'''pycbc.py: SQLAlchemy Postgres model for Christmas Bird Count

  For complete documentation:
    http://www.nmt.edu/~shipman/z/cbc/pycbc/
'''