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Programming language: Crystal
Tags: Data Formats    
Latest version: v1.2.1

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README

MaxMindDB.cr

Built with Crystal Build Status Releases

Pure Crystal MaxMind DB reader, which doesn't require libmaxminddb.

If you work with GeoIP2, please use: https://github.com/delef/geoip2.cr

Installation

Add this to your application's shard.yml:

dependencies:
  maxminddb:
    github: delef/maxminddb.cr

Usage

require "maxminddb"

mmdb = MaxMindDB.open("#{__DIR__}/../data/GeoLite2-City.mmdb")
result = mmdb.get("1.1.1.1")

result["city"]["geoname_id"].as_i # => 2151718
result["city"]["names"]["en"].as_s # => "Research"

result["continent"]["code"].as_s # => "OC"
result["continent"]["geoname_id"].as_i # => 6255151
result["continent"]["names"]["en"].as_s # => "Oceania"

result["country"]["iso_code"].as_s # => "AU"
result["country"]["geoname_id"].as_i # => 2077456
result["country"]["names"]["en"].as_s # => "Australia"

result["location"]["accuracy_radius"].as_i # => 1000
result["location"]["latitude"].as_f # => -37.7
result["location"]["longitude"].as_f # => 145.1833
result["location"]["time_zone"].as_s # => "Australia/Melbourne"

result["postal"]["code"].as_s # => "3095"

result["registered_country"]["iso_code"].as_s # => "AU"
result["registered_country"]["geoname_id"].as_i # => 2077456
result["registered_country"]["names"]["en"].as_s # => "Australia"

result["subdivisions"][0]["iso_code"].as_s # => "VIC"
result["subdivisions"][0]["geoname_id"].as_i # => 2145234
result["subdivisions"][0]["names"]["en"].as_s # => "Victoria"

Contributing

  1. Fork it ( https://github.com/delef/maxminddb.cr/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request

Contributors

  • delef - creator, maintainer