us

A package for easily working with US and state metadata

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.. image:: https://github.com/unitedstates/python-us/workflows/Tests/badge.svg :target: https://github.com/unitedstates/python-us/actions

US: The Greatest Package in the World

A package for easily working with US and state metadata.

  • all US states and territories
  • postal abbreviations
  • Associated Press style abbreviations
  • FIPS codes
  • capitals
  • years of statehood
  • time zones
  • phonetic state name lookup
  • is contiguous or continental
  • URLs to shapefiles for state, census, congressional districts, counties, and census tracts

Installation

As per usual: ::

pip install us

Features

Easy access to state information: ::

>>> import us
>>> us.states.MD
<State:Maryland>
>>> us.states.MD.fips
'24'
>>> us.states.MD.name
'Maryland'
>>> us.states.MD.is_contiguous
True

Includes territories too: ::

>>> us.states.VI.name
'Virgin Islands'
>>> us.states.VI.is_territory
True
>>> us.states.MD.is_territory
False

List of all (actual) states: ::

>>> us.states.STATES
[<State:Alabama>, <State:Alaska>, <State:Arizona>, <State:Arkansas>, ...
>>> us.states.TERRITORIES
[<State:American Samoa>, <State:Guam>, <State:Northern Mariana Islands>, ...

And the whole shebang, if you want it: ::

>>> us.states.STATES_AND_TERRITORIES
[<State:Alabama>, <State:Alaska>, <State:American Samoa>, ...

For convenience, STATES, TERRITORIES, and STATES_AND_TERRITORIES can be accessed directly from the us module: ::

>>> us.states.STATES
[<State:Alabama>, <State:Alaska>, <State:Arizona>, <State:Arkansas>, ...
>>> us.STATES
[<State:Alabama>, <State:Alaska>, <State:Arizona>, <State:Arkansas>, ...

Some states like to be fancy and call themselves commonwealths: ::

>>> us.states.COMMONWEALTHS
[<State:Kentucky>, <State:Massachusetts>, <State:Pennsylvania>, <State:Virginia>]

There's also a list of obsolete territories: ::

>>> us.states.OBSOLETE
[<State:Dakota>, <State:Orleans>, <State:Philippine Islands>]

The state lookup method allows matching by FIPS code, abbreviation, and name: ::

>>> us.states.lookup('24')
<State:Maryland>
>>> us.states.lookup('MD')
<State:Maryland>
>>> us.states.lookup('md')
<State:Maryland>
>>> us.states.lookup('maryland')
<State:Maryland>

Get useful information: ::

>>> state = us.states.lookup('maryland')
>>> state.abbr
'MD'

And for those days that you just can't remember how to spell Mississippi, we've got phonetic name matching too: ::

>>> us.states.lookup('misisipi')
<State:Mississippi>

Shapefiles

You want shapefiles too? As long as you want 2010 shapefiles, we've gotcha covered.

::

>>> urls = us.states.MD.shapefile_urls()
>>> sorted(urls.keys())
['block', 'blockgroup', 'cd', 'county', 'state', 'tract', 'zcta']
>>> urls['block']
'https://www2.census.gov/geo/tiger/TIGER2010/TABBLOCK/2010/tl_2010_24_tabblock10.zip'

The shapefile_urls() method on the State object generates shapefile URLs for the following regions:

  • block
  • blockgroup
  • census tract (tract)
  • congressional district (cd)
  • county
  • state
  • zcta

Mappings

Mappings between various state attributes are a common need. The mapping() method will generate a lookup between two specified fields.

::

>>> us.states.mapping('fips', 'abbr')
{'01': 'AL', '02': 'AK', '04': 'AZ', '05': 'AR', '06': 'CA', ...
>>> us.states.mapping('abbr', 'name')
{'AL': 'Alabama', 'AK': 'Alaska', 'AZ': 'Arizona', 'AR': 'Arkansas', ...

This method uses us.STATES_AND_TERRITORIES as the default list of states it will create a mapping for, but this can be overridden by passing an additional states argument: ::

>>> us.states.mapping('fips', 'abbr', states=[us.states.DC])
{'11': 'DC'}

DC should be granted statehood

Washington, DC does not appear in us.STATES or any of the related state lists, but is often treated as a state in practice and should be granted statehood anyway. DC can be automatically included in these lists by setting a DC_STATEHOOD environment variable to any truthy value before importing this package.

::

DC_STATEHOOD=1

CLI

When you need to know state information RIGHT AWAY, there's the states script.

::

$ states md

*** The great state of Maryland (MD) ***

  FIPS code: 24

  other attributes:
    ap_abbr: Md.
    capital: Annapolis
    capital_tz: America/New_York
    is_contiguous: True
    is_continental: True
    is_obsolete: False
    name_metaphone: MRLNT
    statehood_year: 1788
    time_zones: America/New_York

  shapefiles:
    tract: https://www2.census.gov/geo/tiger/TIGER2010/TRACT/2010/tl_2010_24_tract10.zip
    cd: https://www2.census.gov/geo/tiger/TIGER2010/CD/111/tl_2010_24_cd111.zip
    county: https://www2.census.gov/geo/tiger/TIGER2010/COUNTY/2010/tl_2010_24_county10.zip
    state: https://www2.census.gov/geo/tiger/TIGER2010/STATE/2010/tl_2010_24_state10.zip
    zcta: https://www2.census.gov/geo/tiger/TIGER2010/ZCTA5/2010/tl_2010_24_zcta510.zip
    block: https://www2.census.gov/geo/tiger/TIGER2010/TABBLOCK/2010/tl_2010_24_tabblock10.zip
    blockgroup: https://www2.census.gov/geo/tiger/TIGER2010/BG/2010/tl_2010_24_bg10.zip

Running Tests

GitHub Actions are set up to automatically run unit tests against any new commits to the repo. To run these tests yourself: ::

pipenv install --dev
pipenv run pytest

Changelog

3.0.0


* upgrade to jellyfish 0.7.2
* drop support for Python 2.7
* add us.states.COMMONWEALTHS list of states that call themselves commonwealths 🎩
* add DC to STATES, STATES_AND_TERRITORIES, STATES_CONTIGUOUS, or STATES_CONTINENTAL when DC_STATEHOOD environment variable is set
* remove `region` parameter from `shapefile_urls()` method
* `mapping()` no longer includes obsolete states
* added type annotations


2.0.2
  • restore DC in lookup() and mapping()

2.0.1


* fix Python 2.7 tests that ran with Python 3
* revert to jellyfish 0.6.1 to support Python 2.7


2.0.0
  • add support for Python 3.7 and 3.8
  • remove support for Python 3.4 and 3.5
  • remove pickled objects and database in favor of pure Python code
  • upgrade jellyfish to 0.7.2 to fix metaphone bug
  • fixes for IN, KY, ND, and NM timezones
  • set AZ timezone to America/Phoenix
  • obsolete entries are no longer included in STATES_AND_TERRITORIES
  • DC is no longer included in STATES, STATES_AND_TERRITORIES, STATES_CONTIGUOUS, or STATES_CONTINENTAL

1.0.0


* full Python 3.6 support
* use pytest


0.10.0
  • upgrade jellyfish to 0.5.3 to fix metaphone bug

0.9.0


* add information on whether a state is contiguous and/or continental,
  thanks to `chebee7i <https://github.com/chebee7i>`_

0.8.0
  • add obsolete territories, thanks to Ben Chartoff <https://github.com/bchartoff>_
  • fix packaging error, thanks to Alexander Kulakov <https://github.com/momyc>_

0.7.1


* upgrade to jellyfish 0.5.1 to fix metaphone case bug

0.7
~~~

* add time zones, thanks to `Paul Tagliamonte <https://github.com/paultag>`_
* Python 2.6 and 3.2 compatibility

0.6
~~~

* add AP-style state abbreviations
* use jellyfish instead of Metaphone package
* update to requests v1.0.4 for tests
* Python 3.3 compatibility

0.5
~~~

* fix state abbreviation for Nebraska

0.4
~~~

* add state capitals
* add years of statehood

0.3
~~~

* add mapping method to generate dicts of arbitrary fields

0.2
~~~

* add command line script for quick access to state data

0.1
~~~

* initial release
* state names and abbreviations
* FIPS codes
* lookup() method
* shapefile URLs for various regions

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