Mercurial > piecrust2

annotate piecrust/data/builder.py @ 46:99dea56238af

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Apparently Jinja doesn't understand `None` the way I thought.
author Ludovic Chabant <ludovic@chabant.com>
date Thu, 21 Aug 2014 23:26:44 -0700
parents 62c7a97c8340
children cb1ed436642c
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f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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1 import time
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2 import logging
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3 from piecrust.configuration import merge_dicts
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4 from piecrust.data.assetor import Assetor
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5 from piecrust.data.debug import build_debug_info
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6 from piecrust.data.linker import Linker
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7 from piecrust.data.paginator import Paginator
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8 from piecrust.uriutil import get_slug, get_first_sub_uri
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9
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11 logger = logging.getLogger(__name__)
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13
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14 class DataBuildingContext(object):
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15 def __init__(self, page, uri, page_num=1):
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16 self.page = page
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17 self.uri = uri
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18 self.page_num = page_num
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19 self.pagination_source = None
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20 self.pagination_filter = None
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21
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22 @property
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23 def slug(self):
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24 return get_slug(self.page.app, self.uri)
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25
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26
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27 def build_page_data(ctx):
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28 page = ctx.page
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29 app = page.app
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30 first_uri = get_first_sub_uri(app, ctx.uri)
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31
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32 pc_data = PieCrustData()
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33 pgn_source = ctx.pagination_source or get_default_pagination_source(page)
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34 paginator = Paginator(page, pgn_source, first_uri, ctx.page_num,
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35 ctx.pagination_filter)
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36 assetor = Assetor(page, first_uri)
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37 linker = Linker(page)
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38 data = {
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39 'piecrust': pc_data,
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40 'page': dict(page.config.get()),
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41 'assets': assetor,
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42 'pagination': paginator,
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43 'siblings': linker,
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44 'family': linker
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45 }
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46 page_data = data['page']
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47 page_data['url'] = ctx.uri
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48 page_data['slug'] = ctx.slug
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49 page_data['timestamp'] = time.mktime(page.datetime.timetuple())
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50 date_format = app.config.get('site/date_format')
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51 if date_format:
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52 page_data['date'] = page.datetime.strftime(date_format)
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53
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54 #TODO: handle slugified taxonomy terms.
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55
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56 site_data = build_site_data(page)
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57 merge_dicts(data, site_data)
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58
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59 # Do this at the end because we want all the data to be ready to be
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60 # displayed in the debugger window.
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61 if (app.debug and app.config.get('site/enable_debug_info') and
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62 not app.config.get('baker/is_baking')):
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63 pc_data._enableDebugInfo(page, data)
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64
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65 return data
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67
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68 def build_layout_data(page, page_data, contents):
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69 data = dict(page_data)
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70 for name, txt in contents.items():
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71 if name in data:
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72 logger.warning("Content segment '%s' will hide existing data." %
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73 name)
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74 data[name] = txt
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75 return data
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77
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78 try:
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79 from piecrust.__version__ import VERSION
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80 except ImportError:
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81 from piecrust import APP_VERSION as VERSION
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82
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83
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84 class PieCrustData(object):
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85 debug_render = ['version', 'url', 'branding', 'debug_info']
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86 debug_render_invoke = ['version', 'url', 'branding', 'debug_info']
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87 debug_render_redirect = {'debug_info': '_debugRenderDebugInfo'}
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88
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89 def __init__(self):
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90 self.version = VERSION
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91 self.url = 'http://bolt80.com/piecrust/'
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92 self.branding = 'Baked with <em><a href="%s">PieCrust</a> %s</em>.' % (
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93 'http://bolt80.com/piecrust/', VERSION)
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94 self._page = None
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95 self._data = None
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96
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97 @property
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98 def debug_info(self):
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99 if self._page is not None and self._data is not None:
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100 return build_debug_info(self._page, self._data)
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101 return ''
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102
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103 def _enableDebugInfo(self, page, data):
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104 self._page = page
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105 self._data = data
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106
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107 def _debugRenderDebugInfo(self):
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108 return "The very thing you're looking at!"
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109
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110
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111 def build_site_data(page):
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112 app = page.app
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113 data = dict(app.config.get())
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114 for source in app.sources:
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115 endpoint_bits = source.data_endpoint.split('/')
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116 endpoint = data
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117 for e in endpoint_bits[:-1]:
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118 if e not in endpoint:
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119 endpoint[e] = {}
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120 endpoint = endpoint[e]
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121 user_data = endpoint.get(endpoint_bits[-1])
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122 provider = source.buildDataProvider(page, user_data)
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123 if endpoint_bits[-1] in endpoint:
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124 provider.user_data = endpoint[endpoint_bits[-1]]
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125 endpoint[endpoint_bits[-1]] = provider
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126 return data
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127
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128
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129 def get_default_pagination_source(page):
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130 app = page.app
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131 source_name = page.config.get('source') or page.config.get('blog')
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
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132 logger.debug("Got source name %s for page %s" % (source_name, page.path))
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
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133 if source_name is None:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
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134 blog_names = app.config.get('site/blogs')
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
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135 if blog_names is not None:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
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136 source_name = blog_names[0]
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
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137 else:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
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138 source_name = app.sources[0].name
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
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139 source = app.getSource(source_name)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
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140 return source
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
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141