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1 #+title: Serving a blog using Clojure
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2 #+author: Robert McIntyre
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3 #+MATHJAX: align:"left" mathml:t path:"../MathJax/MathJax.js"
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4 #+STYLE: <link rel="stylesheet" type="text/css" href="../css/aurellem.css" />
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5 #+BEGIN_HTML
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6 <h1>{{{title}}}</h1>
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7 #+END_HTML
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8
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9 * Aurellem Export Program
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10 #+srcname: publish
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11 #+begin_src clojure :results silent
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12 (ns aurellem.publish
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13 (:use rlm.ns-rlm))
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14 (rlm.ns-rlm/ns-clone rlm.light-base)
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15 (import org.htmlcleaner.HtmlCleaner)
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16 (import org.htmlcleaner.TagNode)
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17 (import java.io.File)
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18 (import java.net.URL)
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19 (import org.apache.commons.io.FileUtils)
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20 (use 'clojure.java.io)
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21 (use 'rlm.sanitize-file)
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22 (use 'net.cgrand.enlive-html)
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23 (use 'rlm.pikasemechu)
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24 (require 'rlm.push)
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25 (use 'clojure.contrib.shell-out)
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26
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27 (declare publish)
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28
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29
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30 (defvar *exports*
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31 [(file-str "~/aurellem/src/pokemon/types.html")
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32 (file-str "~/aurellem/src/pokemon/lpsolve.html")
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33 (file-str "~/aurellem/src/abomination/no_parens.html")
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34 (file-str "/home/r/aurellem/src/qm/quandary.html")
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35 (file-str "/home/r/cortex/cortex.html")
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36 (file-str "/home/r/cortex/capture-video.html")]
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37 "The html files which will be exported to the auerllem
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38 website. Listed in the order they will appear on the site
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39 to add more entries to the site, add them here.")
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40
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41 (defvar *other-files*
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42 [(file-str "/home/r/aurellem/src/MathJax/")
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43 (file-str "/home/r/aurellem/src/css/aurellem.css")
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44 (file-str "/home/r/aurellem/src/js/jquery.min.js")
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45 (file-str "/home/r/aurellem/src/aurellem/err.html")
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46 (file-str "/home/r/cortex/sources/turing.pdf")
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47 (file-str "/home/r/cortex/images/brick-wall-standing.jpg")
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48 (file-str "/home/r/cortex/images/brick-wall-knocked-down.jpg")
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49 (file-str "/home/r/cortex/images/dominos.jpg")
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50 (file-str "/home/r/cortex/images/simple-app.jpg")]
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51
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52 "other files needed by the website, but which are not posts.")
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53
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54 (defvar *index*
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55 (file-str "~/aurellem/src/aurellem/index.html")
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56 "this is the main index.html file for the site. It will be updated
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57 with new posts")
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58
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59 (defvar *site*
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60 (file-str "~/aurellem/site-output")
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61 "the target output directoty for the site's content")
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62
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63 (defvar *export-base* (file-str "~/"))
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64
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65 (defn target-file [#^File file]
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66 (file-str
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67 (.replace (.getCanonicalPath file)
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68 (.getCanonicalPath *export-base*)
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69 (.getCanonicalPath *site*))))
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70
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71 (defn title [page]
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72 (str (.getText (first (tags-by-name (parse page) "title")))))
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73
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74 (defn link [#^File file]
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75 (.replace (.getCanonicalPath (target-file file))
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76 (.getCanonicalPath *site*)
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77 "."))
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78
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79 (defn rsync-string [#^java.io.File file]
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80 (if (.isFile file)
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81 (.getPath file)
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82 (str (.getPath file) "/")))
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83
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84 (defn rsync-local [#^File src #^File dst]
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85 (let [parent (.getParentFile dst)]
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86 (if (not (.exists parent))
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87 ;; rsync won't make parent directories
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88 (sh "mkdir" "-p" (.getCanonicalPath parent))))
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89 (sw "rsync" "-avz" "--human-readable" (rsync-string src) (.getCanonicalPath dst)))
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90
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91 (defn cp [#^File src #^File dst]
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92 (if (.isDirectory src)
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93 (FileUtils/copyDirectory src dst)
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94 (FileUtils/copyFile src dst)))
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95
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96 (defn copy-site-files
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97 "copy all the files in *exports* and *other-files* to the site directory
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98 preserving the folder structure."
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99 []
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100 (dorun
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101 (for [file (concat *other-files* *exports*)]
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102 (let [source file destination (target-file file)]
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103 (rsync-local source destination)))))
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104
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105 (deftemplate fill-list *index* [posts]
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106 [:div#posts :ul.post_list :li]
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107 (clone-for [post posts]
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108 (content {:tag :a
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109 :attrs {:href (link post)}
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110 :content [(title post)]})))
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111
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112 (defn update-index
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113 "update the index.html post list and write it to the site directory"
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114 []
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115 (println "Rebuilding index.html")
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116 (FileUtils/writeStringToFile
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117 (file-str "~/aurellem/site-output/index.html")
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118 ;; reverse the list to get reverse chronological order for the site.
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119 (apply str (fill-list *exports*))))
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120
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121 (defn publish-local []
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122 (rlm.rlm-commands/re)
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123 (copy-site-files)
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124 (update-index))
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125
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126 (defn publish-web []
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127 (publish-local)
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128 (rlm.push/push "-u" "-t" "slice"))
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129
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130 #+end_src
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131
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132
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133
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134 #+begin_src clojure :results silent :tangle publish.clj :noweb yes :exports none
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135 <<publish>>
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136 #+end_src
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137
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