1 (function() { 2 'use strict'; 3 4 var all_versions = { 5 '3.7': 'dev (3.7)', 6 '3.6': '3.6', 7 '3.5': '3.5', 8 '3.4': '3.4', 9 '3.3': '3.3', 10 '2.7': '2.7', 11 }; 12 13 function build_select(current_version, current_release) { 14 var buf = ['<select>']; 15 16 $.each(all_versions, function(version, title) { 17 buf.push('<option value="' + version + '"'); 18 if (version == current_version) 19 buf.push(' selected="selected">' + current_release + '</option>'); 20 else 21 buf.push('>' + title + '</option>'); 22 }); 23 24 buf.push('</select>'); 25 return buf.join(''); 26 } 27 28 function patch_url(url, new_version) { 29 var url_re = /\.org\/(\d|py3k|dev|((release\/)?\d\.\d[\w\d\.]*))\//, 30 new_url = url.replace(url_re, '.org/' + new_version + '/'); 31 32 if (new_url == url && !new_url.match(url_re)) { 33 // python 2 url without version? 34 new_url = url.replace(/\.org\//, '.org/' + new_version + '/'); 35 } 36 return new_url; 37 } 38 39 function on_switch() { 40 var selected = $(this).children('option:selected').attr('value'); 41 42 var url = window.location.href, 43 new_url = patch_url(url, selected); 44 45 if (new_url != url) { 46 // check beforehand if url exists, else redirect to version's start page 47 $.ajax({ 48 url: new_url, 49 success: function() { 50 window.location.href = new_url; 51 }, 52 error: function() { 53 window.location.href = 'https://docs.python.org/' + selected; 54 } 55 }); 56 } 57 } 58 59 $(document).ready(function() { 60 var release = DOCUMENTATION_OPTIONS.VERSION; 61 var version = release.substr(0, 3); 62 var select = build_select(version, release); 63 64 $('.version_switcher_placeholder').html(select); 65 $('.version_switcher_placeholder select').bind('change', on_switch); 66 }); 67 })(); 68
