annotate piecrust/app.py @ 674:f987b29d6fab

tests: Add ability to run tests with a theme site. * Remove automatic creating of `config.yml`. * Add option to specify `theme_config` in YAML tests.
author Ludovic Chabant <ludovic@chabant.com>
date Sun, 06 Mar 2016 23:48:01 -0800
parents 81d9c3a3a0b5
children 3df808b133f8
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1 import time
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2 import os.path
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3 import hashlib
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4 import logging
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5 from werkzeug.utils import cached_property
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6 from piecrust import (
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7 RESOURCES_DIR,
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8 CACHE_DIR, TEMPLATES_DIR, ASSETS_DIR,
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9 THEME_DIR,
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10 CONFIG_PATH, THEME_CONFIG_PATH)
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11 from piecrust.appconfig import PieCrustConfiguration
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12 from piecrust.cache import ExtensibleCache, NullExtensibleCache
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13 from piecrust.plugins.base import PluginLoader
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14 from piecrust.environment import StandardEnvironment
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15 from piecrust.configuration import ConfigurationError
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16 from piecrust.routing import Route
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17 from piecrust.sources.base import REALM_THEME
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18 from piecrust.taxonomies import Taxonomy
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20
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21 logger = logging.getLogger(__name__)
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23
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24 class PieCrust(object):
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25 def __init__(self, root_dir, cache=True, debug=False, theme_site=False,
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26 env=None, cache_key=None):
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27 self.root_dir = root_dir
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28 self.debug = debug
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29 self.theme_site = theme_site
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30 self.plugin_loader = PluginLoader(self)
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31 self.cache_key = cache_key or 'default'
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33 if cache:
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34 self.cache = ExtensibleCache(self.cache_dir)
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35 else:
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36 self.cache = NullExtensibleCache()
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37
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38 self.env = env
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39 if self.env is None:
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40 self.env = StandardEnvironment()
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41 self.env.initialize(self)
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42 self.env.registerTimer('SiteConfigLoad')
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43 self.env.registerTimer('PageLoad')
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44 self.env.registerTimer("PageDataBuild")
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45 self.env.registerTimer("BuildRenderData")
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46 self.env.registerTimer("PageRender")
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47 self.env.registerTimer("PageRenderSegments")
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48 self.env.registerTimer("PageRenderLayout")
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49 self.env.registerTimer("PageSerialize")
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50
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51 @cached_property
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52 def config(self):
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53 logger.debug("Creating site configuration...")
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54 start_time = time.perf_counter()
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55
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56 paths = []
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57 if not self.theme_site:
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58 if self.theme_dir:
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59 paths.append(os.path.join(self.theme_dir, THEME_CONFIG_PATH))
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60 paths.append(os.path.join(self.root_dir, CONFIG_PATH))
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61 else:
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62 paths.append(os.path.join(self.root_dir, THEME_CONFIG_PATH))
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63 preview_path = os.path.join(
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64 self.root_dir, 'configs', 'theme_preview.yml')
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65 if os.path.isfile(preview_path):
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66 paths.append(preview_path)
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67
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68 config_cache = self.cache.getCache('app')
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69 config = PieCrustConfiguration(paths, config_cache,
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70 theme_config=self.theme_site)
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71 if self.theme_dir:
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72 # We'll need to flag all page sources as coming from
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73 # the theme.
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74 def _fixupThemeSources(index, config):
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75 if index != 0:
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76 return
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77 sitec = config.get('site')
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78 if sitec is None:
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79 sitec = {}
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80 config['site'] = sitec
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81 srcc = sitec.get('sources')
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82 if srcc is not None:
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83 for sn, sc in srcc.items():
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84 sc['realm'] = REALM_THEME
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85 config.addFixup(_fixupThemeSources)
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86
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87 self.env.stepTimer('SiteConfigLoad', time.perf_counter() - start_time)
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88 return config
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89
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90 @cached_property
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91 def assets_dirs(self):
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92 assets_dirs = self._get_configurable_dirs(
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93 ASSETS_DIR, 'site/assets_dirs')
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94
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95 # Also add the theme directory, if any.
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96 if self.theme_dir:
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97 default_theme_dir = os.path.join(self.theme_dir, ASSETS_DIR)
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98 if os.path.isdir(default_theme_dir):
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99 assets_dirs.append(default_theme_dir)
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100
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101 return assets_dirs
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102
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103 @cached_property
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104 def templates_dirs(self):
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105 templates_dirs = self._get_configurable_dirs(
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106 TEMPLATES_DIR, 'site/templates_dirs')
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107
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108 # Also, add the theme directory, if any.
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109 if self.theme_dir:
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110 default_theme_dir = os.path.join(self.theme_dir, TEMPLATES_DIR)
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111 if os.path.isdir(default_theme_dir):
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112 templates_dirs.append(default_theme_dir)
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113
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114 return templates_dirs
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115
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116 @cached_property
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117 def theme_dir(self):
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118 if self.theme_site:
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119 return None
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120 td = self._get_dir(THEME_DIR)
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121 if td is not None:
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122 return td
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123 return os.path.join(RESOURCES_DIR, 'theme')
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124
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125 @cached_property
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126 def cache_dir(self):
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127 return os.path.join(self.root_dir, CACHE_DIR, self.cache_key)
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128
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129 @cached_property
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130 def sources(self):
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131 defs = {}
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132 for cls in self.plugin_loader.getSources():
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133 defs[cls.SOURCE_NAME] = cls
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134
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135 sources = []
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136 for n, s in self.config.get('site/sources').items():
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137 cls = defs.get(s['type'])
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138 if cls is None:
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139 raise ConfigurationError("No such page source type: %s" %
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140 s['type'])
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141 src = cls(self, n, s)
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142 sources.append(src)
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143 return sources
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144
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145 @cached_property
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146 def routes(self):
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147 routes = []
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148 for r in self.config.get('site/routes'):
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149 rte = Route(self, r)
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150 routes.append(rte)
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151 return routes
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152
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153 @cached_property
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154 def taxonomies(self):
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155 taxonomies = []
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156 for tn, tc in self.config.get('site/taxonomies').items():
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157 tax = Taxonomy(self, tn, tc)
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158 taxonomies.append(tax)
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159 return taxonomies
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160
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161 def getSource(self, source_name):
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162 for source in self.sources:
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163 if source.name == source_name:
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164 return source
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165 return None
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166
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167 def getRoutes(self, source_name, *, skip_taxonomies=False):
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168 for route in self.routes:
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169 if route.source_name == source_name:
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170 if not skip_taxonomies or route.taxonomy_name is None:
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171 yield route
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172
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173 def getRoute(self, source_name, route_metadata, *, skip_taxonomies=False):
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174 for route in self.getRoutes(source_name,
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175 skip_taxonomies=skip_taxonomies):
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176 if (route_metadata is None or
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177 route.matchesMetadata(route_metadata)):
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178 return route
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179 return None
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180
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181 def getTaxonomyRoute(self, tax_name, source_name):
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182 for route in self.routes:
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183 if (route.taxonomy_name == tax_name and
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184 route.source_name == source_name):
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185 return route
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186 return None
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187
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188 def getTaxonomy(self, tax_name):
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189 for tax in self.taxonomies:
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190 if tax.name == tax_name:
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191 return tax
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192 return None
0
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193
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194 def _get_dir(self, default_rel_dir):
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195 abs_dir = os.path.join(self.root_dir, default_rel_dir)
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196 if os.path.isdir(abs_dir):
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197 return abs_dir
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198 return None
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199
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200 def _get_configurable_dirs(self, default_rel_dir, conf_name):
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201 dirs = []
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202
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203 # Add custom directories from the configuration.
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204 conf_dirs = self.config.get(conf_name)
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205 if conf_dirs is not None:
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206 if isinstance(conf_dirs, str):
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207 dirs.append(os.path.join(self.root_dir, conf_dirs))
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208 else:
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209 dirs += [os.path.join(self.root_dir, p) for p in conf_dirs]
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210
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211 # Add the default directory if it exists.
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212 default_dir = os.path.join(self.root_dir, default_rel_dir)
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213 if os.path.isdir(default_dir):
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214 dirs.append(default_dir)
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215
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216 return dirs
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217
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218
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219
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220 def apply_variant_and_values(app, config_variant=None, config_values=None):
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221 if config_variant is not None:
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222 logger.debug("Adding configuration variant '%s'." % config_variant)
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223 variant_path = os.path.join(
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224 app.root_dir, 'configs', '%s.yml' % config_variant)
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225 app.config.addVariant(variant_path)
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226
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227 if config_values is not None:
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228 for name, value in config_values:
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229 logger.debug("Adding configuration override '%s': %s" % (name, value))
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230 app.config.addVariantValue(name, value)
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231
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232
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233 class PieCrustFactory(object):
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234 def __init__(
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235 self, root_dir, *,
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236 cache=True, cache_key=None,
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237 config_variant=None, config_values=None,
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238 debug=False, theme_site=False):
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239 self.root_dir = root_dir
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240 self.cache = cache
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241 self.cache_key = cache_key
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242 self.config_variant = config_variant
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243 self.config_values = config_values
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244 self.debug = debug
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245 self.theme_site = theme_site
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246
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247 def create(self):
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248 app = PieCrust(
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249 self.root_dir,
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250 cache=self.cache,
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251 cache_key=self.cache_key,
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252 debug=self.debug,
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253 theme_site=self.theme_site)
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254 apply_variant_and_values(
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255 app, self.config_variant, self.config_values)
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256 return app
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257