export_readinglist_to_instapaper_csv.py

import csv
import os
import plistlib


def parse_safari_reading_list_plist():
    plist = plistlib.load(
        open(os.path.expanduser('~/Library/Safari/Bookmarks.plist'), 'rb'))

    items = []
    for child in plist['Children']:
        if child.get('Title') == 'com.apple.ReadingList':
            items = child['Children']
            break

    return items


with open('readinglist.csv', 'w') as f:
    csvfile = csv.writer(f)
    csvfile.writerow(['URL', 'Title', 'Selection', 'Folder'])

    for item in parse_safari_reading_list_plist():
        csvfile.writerow(
            [item['URLString'], item['URIDictionary']['title'], '', 'Unread'])