chicago 0.3.1

Installation

Install using pip:

pip install chicago

Usage

### Iterate over community areas

>>> from chicago import COMMUNITY_AREAS
>>> for ca in COMMUNITY_AREAS:
...     print(ca.name, ca.number)
...
('Rogers Park', '1')
('West Ridge', '2')
('Uptown', '3')
('Lincoln Square', '4')
('North Center', '5')
('Lake View', '6')
('Lincoln Park', '7')
('Near North Side', '8')
('Edison Park', '9')

### Get a community area by number

>>> COMMUNITY_AREAS.get_by_number(22)
CommunityArea(name='Logan Square', number='22')

### Iterate over neighborhoods

>>> from chicago import NEIGHBORHOODS
>>> for n in NEIGHBORHOODS:
...     print(n)
Albany Park
Andersonville
Archer Heights
Armour Square
Ashburn
Auburn Gresham
Austin
Avalon Park
Avondale
Belmont Cragin

### Iterate over census tracts

>>> from chicago import TRACTS
>>> for tract in TRACTS:
...     print(tract)
17031010100
17031010100
17031010100
17031010100
17031010201

### Get the census tract that contains a Chicago precinct

>>> from chicago import PRECINCTS
>>> precinct = PRECINCTS[0]
>>> from chicago import get_tract_from_precinct_id
>>> tract = get_tract_from_precinct_id(precinct.full_name)
>>> print(tract)

### Get the census tract that contains a suburban Cook county precinct

>>> from chicago.cook_suburbs import COOK_SUBURBAN_PRECINCTS, get_suburban_cook_tract_from_precinct_number
>>> precinct = COOK_SUBURBAN_PRECINCTS[0]
>>> tract = get_suburban_cook_tract_from_precinct_number(precinct.objectid)
>>> print(tract)
17031804202

Data Sources

### Community Areas

[Boundaries - Community Areas (current)](https://data.cityofchicago.org/Facilities-Geographic-Boundaries/Boundaries-Community-Areas-current-/cauq-8yn6))

### Neighborhoods

[Boundaries - Neighborhoods](https://data.cityofchicago.org/Facilities-Geographic-Boundaries/Boundaries-Neighborhoods/bbvz-uum9) from the City of Chicago Data Portal

Building the data

This package uses Fabric to generate the CSV files that underly the Python API.

### Cleaning up build files

fab clean

### Generating precinct to census tract crosswalk CSVs

fab build_precinct_to_tract_crosswalks