annotate MoinMoin/macro/RandomPage.py @ 5952:f6a74810da73

updated CHANGES
author Thomas Waldmann <tw AT waldmann-edv DOT de>
date Sun, 10 Mar 2013 15:28:04 +0100
parents 1ad6243cdf06
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1 # -*- coding: iso-8859-1 -*-
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2 """
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3 MoinMoin - RandomPage Macro
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4
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5 @copyright: 2000 Juergen Hermann <jh@web.de>
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6 @license: GNU GPL, see COPYING for details.
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7 """
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8
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9 import random
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10 random.seed()
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11
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12 from MoinMoin.Page import Page
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13
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14 Dependencies = ["time"]
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15
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16 def macro_RandomPage(macro, links=1):
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17 request = macro.request
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18 links = max(links, 1) # at least 1 link
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19
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20 # Get full page unfiltered page list - very fast!
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21 all_pages = request.rootpage.getPageList(user='', exists=0)
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22
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23 # Now select random page from the full list, and if it exists and we
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24 # can read it, save.
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25 pages = []
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26 found = 0
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27 while found < links and all_pages:
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28 # Take one random page from the list
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29 pagename = random.choice(all_pages)
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30 all_pages.remove(pagename)
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31
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32 # Filter out deleted pages or pages the user may not read.
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33 page = Page(request, pagename)
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34 if page.exists() and request.user.may.read(pagename):
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35 pages.append(pagename)
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36 found += 1
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37
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38 if not pages:
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39 return ''
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40
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41 f = macro.formatter
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42
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43 # return a single page link
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44 if links == 1:
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45 name = pages[0]
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46 return (f.pagelink(1, name, generated=1) +
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47 f.text(name) +
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48 f.pagelink(0, name))
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50 # return a list of page links
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51 pages.sort()
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52 result = []
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53 write = result.append
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55 write(f.bullet_list(1))
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56 for name in pages:
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57 write(f.listitem(1))
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58 write(f.pagelink(1, name, generated=1))
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59 write(f.text(name))
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60 write(f.pagelink(0, name))
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61 write(f.listitem(0))
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62 write(f.bullet_list(0))
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63
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64 result = ''.join(result)
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65 return result
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66