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61 lines
2.4 KiB
61 lines
2.4 KiB
(require 'json)
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(require 'org)
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(require 'ox)
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(defun org->pelican (filename backend)
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(progn
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(save-excursion
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; open org file
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(find-file filename)
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; pre-process some metadata
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(let (; extract org export properties
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(org-export-env (org-export-get-environment))
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; convert MODIFIED prop to string
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(modifiedstr (cdr (assoc-string "MODIFIED" org-file-properties t)))
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; prepare date property
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(dateobj (car (plist-get (org-export-get-environment) ':date)))
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)
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; check if #+TITLE: is given and give sensible error message if not
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(if (symbolp (car (plist-get org-export-env :title)))
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(error "Each page/article must have a #+TITLE: property"))
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; construct the JSON object
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(princ (json-encode
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(list
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; org export environment
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:title (substring-no-properties
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(car (plist-get org-export-env :title)))
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; if #+DATE is not given, dateobj is nil
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; if #+DATE is a %Y-%m-%d string, dateobj is a string,
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; and otherwise we assume #+DATE is a org timestamp
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:date (if (symbolp dateobj)
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""
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(if (stringp dateobj)
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(org-read-date nil nil dateobj nil)
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(org-timestamp-format dateobj "%Y-%m-%d")))
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:author (substring-no-properties
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(car (plist-get org-export-env ':author)))
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; org file properties
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:category (cdr (assoc-string "CATEGORY" org-file-properties t))
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; custom org file properties, defined as #+PROPERTY: NAME ARG
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:language (cdr (assoc-string "LANGUAGE" org-file-properties t))
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:save_as (cdr (assoc-string "SAVE_AS" org-file-properties t))
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:tags (cdr (assoc-string "TAGS" org-file-properties t))
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:summary (cdr (assoc-string "SUMMARY" org-file-properties t))
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:slug (cdr (assoc-string "SLUG" org-file-properties t))
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:modified (if (stringp modifiedstr)
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(org-read-date nil nil modifiedstr nil)
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"")
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:post (org-export-as backend nil nil t)
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)
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)
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)
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)
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)
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)
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)
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