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annotate piecrust/data/paginationdata.py @ 870:48d25fd68b8d

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assets: Fix bug in assetor.
author Ludovic Chabant <ludovic@chabant.com>
date Mon, 12 Jun 2017 22:30:06 -0700
parents 08e02c2a2a1a
children f4608e2e80ce
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1 import time
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2 import logging
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3 from piecrust.data.pagedata import LazyPageConfigData
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4
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5
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6 logger = logging.getLogger(__name__)
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7
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8
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9 class PaginationData(LazyPageConfigData):
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10 def __init__(self, page):
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11 super().__init__(page)
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12
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13 def _load(self):
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14 from piecrust.data.assetor import Assetor
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15 from piecrust.uriutil import split_uri
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16
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17 page = self._page
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18 dt = page.datetime
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19 page_url = page.getUri()
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20 _, slug = split_uri(page.app, page_url)
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21 self._setValue('url', page_url)
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22 self._setValue('slug', slug)
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23 self._setValue('timestamp',
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24 time.mktime(page.datetime.timetuple()))
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25 self._setValue('datetime', {
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26 'year': dt.year, 'month': dt.month, 'day': dt.day,
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27 'hour': dt.hour, 'minute': dt.minute, 'second': dt.second})
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28 date_format = page.app.config.get('site/date_format')
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29 if date_format:
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30 self._setValue('date', page.datetime.strftime(date_format))
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31 self._setValue('mtime', page.content_mtime)
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32
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33 assetor = Assetor(page)
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34 self._setValue('assets', assetor)
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35
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36 segment_names = page.config.get('segments')
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37 for name in segment_names:
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38 self._mapLoader(name, self._load_rendered_segment)
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39
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40 def _load_rendered_segment(self, data, name):
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41 do_render = True
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42 stack = self._page.app.env.render_ctx_stack
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43 if stack.hasPage(self._page):
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44 # This is the pagination data for the page that is currently
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45 # being rendered! Inception! But this is possible... so just
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46 # prevent infinite recursion.
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47 do_render = False
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48
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49 assert self is data
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50
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51 if do_render:
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52 uri = self._page.getUri()
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53 try:
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54 from piecrust.rendering import (
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55 RenderingContext, render_page_segments)
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56 ctx = RenderingContext(self._page)
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57 render_result = render_page_segments(ctx)
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58 segs = render_result.segments
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59 except Exception as ex:
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60 logger.exception(ex)
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61 raise Exception(
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62 "Error rendering segments for '%s'" % uri) from ex
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63 else:
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64 segs = {}
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65 for name in self._page.config.get('segments'):
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66 segs[name] = "<unavailable: current page>"
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67
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68 for k, v in segs.items():
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69 self._unmapLoader(k)
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70 self._setValue(k, v)
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71
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72 if 'content.abstract' in segs:
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73 self._setValue('content', segs['content.abstract'])
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74 self._setValue('has_more', True)
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75 if name == 'content':
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76 return segs['content.abstract']
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77
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78 return segs[name]
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79