gistfile1.rb

# get the user record for which you'd like to import
tom = User.first

everyone_view = [{'user_group_id' => tom.account.user_groups.everyone.id}].map {|group| [group['user_group_id'], 'default']}
 
# create the import, pointing to the csv
UserActionLogger.log_actions_with(tom) { $i = Import.create(:views => everyone_view, :user => tom, :source => File.open("/Users/danferranti/Desktop/Tuckerbrook-test.csv"), :state => 'preparing') }
 
# check that the headers map properly
$i.map_header
 
# set any global tag names if you'd like for the import
# $i.tag_names = []
 
# run the import (3-4 contacts per second on local machine fwiw)
Import.import_execute($i)
 
# check the failed row numbers of CSV 
$i.failed_row_identifiers