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census-data-downloader-0.0.9
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مشاهده بیشتر
تبلیغات ما
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تبلیغات ما
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مشاهده بیشترتوضیحات
Download U.S. census data and reformat it for humans
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | census-data-downloader-0.0.9 |
| نام | census-data-downloader |
| نسخه کتابخانه | 0.0.9 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Los Angeles Times Data and Graphics Department |
| ایمیل نویسنده | datadesk@latimes.com |
| آدرس صفحه اصلی | http://www.github.com/datadesk/census-data-downloader |
| آدرس اینترنتی | https://pypi.org/project/census-data-downloader/ |
| مجوز | MIT |
# census-data-downloader
Download [American Community Survey data](https://www.census.gov/programs-surveys/acs/data.html) from the U.S. Census Bureau and reformat it for humans.
## What's available
All of the data files processed by this repository are published in the [`data/processed/`](./data/processed/) folder. They can be called in to applications via their raw URLs, like https://raw.githubusercontent.com/datadesk/census-data-downloader/master/data/processed/acs5_2017_population_counties.csv
## The command-line interface
The library can be installed as a command-line interface that lets you download files on demand.
### Installation
```bash
$ pipenv install census-data-downloader
```
### Command-line usage
There's now a tool named `censusdatadownloader` ready for you.
```bash
Usage: censusdatadownloader [OPTIONS] TABLE COMMAND [ARGS]...
Download Census data and reformat it for humans
Options:
--data-dir TEXT The folder where you want to download the data
--year [2009-2020] The years of data to download. By default it gets only the
latest year. Not all data are available for every year. Submit 'all' to get every year.
--force Force the downloading of the data
--help Show this message and exit.
Commands:
aiannhhomelands Download American Indian, Alaska Native and...
cnectas Download combined New England city and town...
congressionaldistricts Download Congressional districts
counties Download counties in all states
csas Download combined statistical areas
divisions Download divisions
elementaryschooldistricts Download elementary school districts
everything Download everything from everywhere
msas Download metropolitian statistical areas
nationwide Download nationwide data
nectas Download New England city and town areas
places Download Census-designated places
pumas Download public use microdata areas
regions Download regions
secondaryschooldistricts Download secondary school districts
statelegislativedistricts Download statehouse districts
states Download states
tracts Download Census tracts
unifiedschooldistricts Download unified school districts
urbanareas Download urban areas
zctas Download ZIP Code tabulation areas
```
Before you can use it you will need to add your CENSUS_API_KEY to your environment. If you don't have an API key, you can go [here.](https://api.census.gov/data/key_signup.html) One quick way to add your key:
```bash
$ export CENSUS_API_KEY='<your API key>'
```
Using it is as simple as providing one our processed table names to one of the download subcommands.
Here's an example of downloading all state-level data from the `medianage` dataset.
```bash
$ censusdatadownloader medianage states
```
You can specify the download directory with `--data-dir`.
```bash
$ censusdatadownloader --data-dir ./my-special-folder/ medianage states
```
And you can change the year you download with `--year`.
```bash
$ censusdatadownloader --year 2010 medianage states
```
That's it. Mix and match tables and subcommands to get whatever you need.
### Python usage
You can also download tables from Python scripts. Import the class of the [processed table](https://github.com/datadesk/census-data-downloader/tree/master/census_data_downloader/tables) you wish to retrieve and pass in your API key. Then call one of the download methods.
This example brings in all state-level data from the medianhouseholdincomeblack dataset.
```python
>>> from census_data_downloader.tables import MedianHouseholdIncomeBlackDownloader
>>> downloader = MedianHouseholdIncomeBlackDownloader('<YOUR KEY>')
>>> downloader.download_states()
```
You can specify the data directory and the years by passing in the `data_dir` and `years` keyword arguments.
```python
>>> downloader = MedianHouseholdIncomeBlackDownloader('<YOUR KEY>', data_dir='./', years=2016)
>>> downloader.download_states()
```
### Usage examples
A gallery of graphics powered by our data is available on [Observable](https://observablehq.com/collection/@datadesk/u-s-census-data).
[](https://observablehq.com/collection/@datadesk/u-s-census-data)
The Los Angeles Times used this library for [an analysis of Census undercounts](https://www.latimes.com/projects/la-na-census-native-americans-navajo-nation/) on Native American reservations. The code that powers it is available as an [open-source computational notebook](https://github.com/datadesk/native-american-census-analysis).
[](https://www.latimes.com/projects/la-na-census-native-americans-navajo-nation/)
## Contributing to the library
### Adding support for a new table
Subclass our downloader and provided it with its required inputs.
```python
import collections
from census_data_downloader.core.tables import BaseTableConfig
from census_data_downloader.core.decorators import register
@register
class MedianHouseholdIncomeDownloader(BaseTableConfig):
PROCESSED_TABLE_NAME = "medianhouseholdincome" # Your humanized table name
UNIVERSE = "households" # The universe value for this table
RAW_TABLE_NAME = 'B19013' # The id of the source table
RAW_FIELD_CROSSWALK = collections.OrderedDict({
# A crosswalk between the raw field name and our humanized field name.
"001": "median"
})
```
Add it to the imports in the [`__init__.py`](census_data_downloader/tables/__init__.py) file and it's good to go.
### Developing the CLI
The command-line interface is implemented using Click and setuptools. To install it locally for development inside your virtual environment, run the following installation command, as [prescribed by the Click documentation](https://click.palletsprojects.com/en/7.x/setuptools/#setuptools-integration).
```bash
$ pip install --editable .
```
That's it. If you make some good ones, please consider submitting them as pull requests so everyone can benefit.
نیازمندی
| مقدار | نام |
|---|---|
| - | pandas |
| - | us |
| - | census |
| - | census-data-aggregator |
| - | click |
| - | jinja2 |
نحوه نصب
نصب پکیج whl census-data-downloader-0.0.9:
pip install census-data-downloader-0.0.9.whl
نصب پکیج tar.gz census-data-downloader-0.0.9:
pip install census-data-downloader-0.0.9.tar.gz