Mercurial > piecrust2

annotate piecrust/data/builder.py @ 182:a54d3c0b5f4a

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tests: Patch `os.path.exists` and improve patching for `open`. You can specify additional modules for which to patch `open`. Also, it was incorrectly updating the opened file, even when it was opened for read only. Now it only updates the contents if the file was opened for write, and supports appending to the end. Last, it supports opening text files in binary mode.
author Ludovic Chabant <ludovic@chabant.com>
date Sun, 04 Jan 2015 14:55:41 -0800
parents 4fc1d306046b
children 1446dbc42d39
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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diff changeset
1 import re
3
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2 import time
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3 import logging
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4 from piecrust import APP_VERSION
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5 from piecrust.configuration import merge_dicts
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6 from piecrust.data.assetor import Assetor
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7 from piecrust.data.debug import build_debug_info
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8 from piecrust.data.linker import Linker, RecursiveLinker
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9 from piecrust.data.paginator import Paginator
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10 from piecrust.uriutil import get_slug, get_first_sub_uri
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13 logger = logging.getLogger(__name__)
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15
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16 class DataBuildingContext(object):
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17 def __init__(self, page, uri, page_num=1):
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18 self.page = page
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19 self.uri = uri
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20 self.page_num = page_num
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21 self.pagination_source = None
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22 self.pagination_filter = None
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23
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24 @property
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25 def slug(self):
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26 return get_slug(self.page.app, self.uri)
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27
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28
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29 def build_page_data(ctx):
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30 page = ctx.page
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31 app = page.app
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32 first_uri = get_first_sub_uri(app, ctx.uri)
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34 pc_data = PieCrustData()
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35 pgn_source = ctx.pagination_source or get_default_pagination_source(page)
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36 paginator = Paginator(page, pgn_source, first_uri, ctx.page_num,
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37 ctx.pagination_filter)
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38 assetor = Assetor(page, first_uri)
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39 flat_linker = Linker(page.source, page_path=page.rel_path)
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40 recursive_linker = RecursiveLinker(page.source, page_path=page.rel_path)
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41 data = {
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42 'piecrust': pc_data,
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43 'page': dict(page.config.get()),
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44 'assets': assetor,
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45 'pagination': paginator,
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46 'siblings': flat_linker,
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47 'family': recursive_linker
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48 }
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49 page_data = data['page']
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50 page_data['url'] = ctx.uri
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51 page_data['slug'] = ctx.slug
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52 page_data['timestamp'] = time.mktime(page.datetime.timetuple())
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53 date_format = app.config.get('site/date_format')
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54 if date_format:
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55 page_data['date'] = page.datetime.strftime(date_format)
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56
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57 #TODO: handle slugified taxonomy terms.
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58
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59 site_data = build_site_data(page)
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60 merge_dicts(data, site_data)
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61
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62 # Do this at the end because we want all the data to be ready to be
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63 # displayed in the debugger window.
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64 if (app.debug and app.config.get('site/enable_debug_info') and
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65 not app.config.get('baker/is_baking')):
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66 pc_data._enableDebugInfo(page, data)
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67
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68 return data
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70
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71 def build_layout_data(page, page_data, contents):
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72 data = dict(page_data)
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73 for name, txt in contents.items():
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74 if name in data:
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75 logger.warning("Content segment '%s' will hide existing data." %
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76 name)
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77 data[name] = txt
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78 return data
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80
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81 class PieCrustData(object):
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82 debug_render = ['version', 'url', 'branding', 'debug_info']
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83 debug_render_invoke = ['version', 'url', 'branding', 'debug_info']
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84 debug_render_redirect = {'debug_info': '_debugRenderDebugInfo'}
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85
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86 def __init__(self):
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87 self.version = APP_VERSION
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88 self.url = 'http://bolt80.com/piecrust/'
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89 self.branding = 'Baked with <em><a href="%s">PieCrust</a> %s</em>.' % (
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90 'http://bolt80.com/piecrust/', APP_VERSION)
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91 self._page = None
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92 self._data = None
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93
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94 @property
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95 def debug_info(self):
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96 if self._page is not None and self._data is not None:
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97 return build_debug_info(self._page, self._data)
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98 return ''
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99
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100 def _enableDebugInfo(self, page, data):
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101 self._page = page
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102 self._data = data
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103
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104 def _debugRenderDebugInfo(self):
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105 return "The very thing you're looking at!"
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106
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107
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108 re_endpoint_sep = re.compile(r'[\/\.]')
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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 = re_endpoint_sep.split(source.data_endpoint)
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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
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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129 def get_default_pagination_source(page):
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130 app = page.app
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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131 source_name = page.config.get('source') or page.config.get('blog')
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132 if source_name is None:
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133 blog_names = app.config.get('site/blogs')
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134 if blog_names is not None:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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135 source_name = blog_names[0]
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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136 else:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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137 source_name = app.sources[0].name
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138 source = app.getSource(source_name)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
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139 return source
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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140