nass

nass is a wrapper around the public API for the USDA National Agricultural Statistics Service.

Installation

$ pip install nass

Usage

>>> import nass
>>> api = nass.NassApi('your api key')
>>> api.param_values('source_desc')
['CENSUS', 'SURVEY']
>>> q = api.query()
>>> q.filter('commodity_desc', 'CORN').filter('year', 1990)
>>> q.count()
25259
>>> q.execute()
[{'sector_desc': 'CROPS', ...}, ...]

See http://quickstats.nass.usda.gov/ for the full list of fields.

Exceptions

If something goes wrong communicating with NASS, an exception will be raised. This includes connection problems (e.g. timeout, DNS failure), as well as specific error messages.

All exceptions subclass NassException, so you can use it to catch all exceptions.

Documentation

The full documentation is at https://nass.rtfd.org.