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annotate piecrust/serving.py @ 147:ab6e7e0e9d44

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Pass date information to routing when building URLs. This is so that URLs with dates in them can be built even when the date information is not coming from the source metadata, but from the page's config.
author Ludovic Chabant <ludovic@chabant.com>
date Sat, 29 Nov 2014 21:00:44 -0800
parents 666ee97e77a9
children 70b86e904b85
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1 import re
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2 import gzip
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3 import time
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4 import os
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5 import os.path
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6 import hashlib
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7 import logging
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8 import io
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9 from werkzeug.exceptions import (NotFound, MethodNotAllowed,
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10 InternalServerError, HTTPException)
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11 from werkzeug.serving import run_simple
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12 from werkzeug.wrappers import Request, Response
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13 from werkzeug.wsgi import wrap_file
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14 from jinja2 import FileSystemLoader, Environment
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15 from piecrust.app import PieCrust
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16 from piecrust.data.filters import (PaginationFilter, HasFilterClause,
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17 IsFilterClause)
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18 from piecrust.environment import StandardEnvironment
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19 from piecrust.processing.base import ProcessorPipeline
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20 from piecrust.rendering import PageRenderingContext, render_page
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21 from piecrust.sources.base import PageFactory, MODE_PARSING
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24 logger = logging.getLogger(__name__)
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27 class ServingEnvironment(StandardEnvironment):
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28 pass
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30
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31 class ServeRecord(object):
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32 def __init__(self):
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33 self.entries = {}
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34
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35 def addEntry(self, entry):
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36 key = self._makeKey(entry.uri, entry.sub_num)
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37 self.entries[key] = entry
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38
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39 def getEntry(self, uri, sub_num):
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40 key = self._makeKey(uri, sub_num)
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41 return self.entries.get(key)
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42
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43 def _makeKey(self, uri, sub_num):
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44 return "%s:%s" % (uri, sub_num)
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45
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46
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47 class ServeRecordPageEntry(object):
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48 def __init__(self, uri, sub_num):
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49 self.uri = uri
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50 self.sub_num = sub_num
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51 self.used_source_names = set()
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53
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54 class Server(object):
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55 def __init__(self, root_dir, host='localhost', port='8080',
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56 debug=False, use_reloader=False, static_preview=True,
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57 synchronous_asset_pipeline=True):
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58 self.root_dir = root_dir
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59 self.host = host
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60 self.port = port
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61 self.debug = debug
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62 self.use_reloader = use_reloader or debug
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63 self.static_preview = static_preview
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64 self.synchronous_asset_pipeline = synchronous_asset_pipeline
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65 self._out_dir = None
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66 self._skip_patterns = None
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67 self._force_patterns = None
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68 self._asset_record = None
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69 self._page_record = None
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70 self._mimetype_map = load_mimetype_map()
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71
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72 def run(self):
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73 # Bake all the assets so we know what we have, and so we can serve
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74 # them to the client. We need a temp app for this.
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75 app = PieCrust(root_dir=self.root_dir, debug=self.debug)
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76 mounts = app.assets_dirs
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77 self._out_dir = os.path.join(app.cache_dir, 'server')
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78 self._skip_patterns = app.config.get('baker/skip_patterns')
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79 self._force_patterns = app.config.get('baker/force_patterns')
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80 pipeline = ProcessorPipeline(
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81 app, mounts, self._out_dir,
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82 skip_patterns=self._skip_patterns,
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83 force_patterns=self._force_patterns)
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84 self._asset_record = pipeline.run()
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85 self._page_record = ServeRecord()
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86
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87 # Run the WSGI app.
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88 wsgi_wrapper = WsgiServer(self)
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89 run_simple(self.host, self.port, wsgi_wrapper,
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90 use_debugger=self.debug, use_reloader=self.debug)
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91
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92 def _run_request(self, environ, start_response):
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93 try:
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94 return self._run_piecrust(environ, start_response)
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95 except Exception as ex:
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96 if self.debug:
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97 raise
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98 return self._handle_error(ex, environ, start_response)
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99
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100 def _run_piecrust(self, environ, start_response):
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101 request = Request(environ)
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102
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103 # We don't support anything else than GET requests since we're
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104 # previewing something that will be static later.
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105 if self.static_preview and request.method != 'GET':
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106 logger.error("Only GET requests are allowed, got %s" % request.method)
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107 raise MethodNotAllowed()
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108
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109 # Create the app for this request.
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110 rq_debug = ('!debug' in request.args)
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111 app = PieCrust(root_dir=self.root_dir, debug=(self.debug or rq_debug))
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112 app.config.set('site/root', '/')
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113 app.config.set('site/pretty_urls', True)
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114 app.config.set('server/is_serving', True)
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115
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116 # We'll serve page assets directly from where they are.
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117 app.env.base_asset_url_format = '/_asset/%path%'
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118
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119 # See if the requested URL is an asset.
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120 response = self._try_serve_asset(app, environ, request)
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121 if response is not None:
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122 return response(environ, start_response)
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123
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124 # It's not an asset we know of... let's see if it can be a page asset.
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125 response = self._try_serve_page_asset(app, environ, request)
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126 if response is not None:
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127 return response(environ, start_response)
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128
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129 # Nope. Let's see if it's an actual page.
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130 # We trap any exception that says "there's no such page" so we can
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131 # try another thing before bailing out. But we let any exception
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diff changeset
132 # that says "something's wrong" through.
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133 exc = None
3
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134 try:
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135 response = self._try_serve_page(app, environ, request)
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136 return response(environ, start_response)
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137 except (RouteNotFoundError, SourceNotFoundError) as ex:
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138 logger.exception(ex)
133
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139 exc = NotFound(str(ex))
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140 except NotFound as ex:
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141 exc = ex
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142 except HTTPException:
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143 raise
3
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144 except Exception as ex:
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145 if app.debug:
128
28444014ce7d Fix error reporting and counting of lines.
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diff changeset
146 logger.exception(ex)
3
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147 raise
128
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148 msg = str(ex)
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149 logger.error(msg)
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150 raise InternalServerError(msg)
3
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151
133
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152 # Nothing worked so far... let's see if there's a new asset.
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153 response = self._try_serve_new_asset(app, environ, request)
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154 if response is not None:
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155 return response(environ, start_response)
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156
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157 # Nope. Raise the exception we had in store.
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158 raise exc
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159
3
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160 def _try_serve_asset(self, app, environ, request):
133
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161 logger.debug("Searching %d entries for asset with path: %s" %
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162 (len(self._asset_record.entries), request.path))
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617191dec18e Fixes for Windows, make `findPagePath` return a ref path.
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163 rel_req_path = request.path.lstrip('/').replace('/', os.sep)
133
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164 entry = self._asset_record.findEntry(rel_req_path)
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165 if entry is None:
133
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166 # We don't know any asset that could have created this path.
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167 # It could be a new asset that the user just created, but we'll
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diff changeset
168 # check for that later.
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169 return None
3
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170
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171 # Yep, we know about this URL because we processed an asset that
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172 # maps to it... make sure it's up to date by re-processing it
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173 # before serving.
133
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174 mounts = app.assets_dirs
39
2f717f961996 Better error reporting and cache validation.
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175 asset_in_path = entry.path
3
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176 asset_out_path = os.path.join(self._out_dir, rel_req_path)
110
7f00176a3b4d Prepare the server to support background asset pipelines.
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diff changeset
177
133
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178 if self.synchronous_asset_pipeline:
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179 logger.debug("Making sure '%s' is up-to-date." % asset_in_path)
110
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180 pipeline = ProcessorPipeline(
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181 app, mounts, self._out_dir,
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diff changeset
182 skip_patterns=self._skip_patterns,
133
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183 force_patterns=self._force_patterns,
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diff changeset
184 num_workers=1)
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diff changeset
185 r = pipeline.run(asset_in_path, delete=False, save_record=False,
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diff changeset
186 previous_record=self._asset_record)
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diff changeset
187 assert len(r.entries) == 1
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diff changeset
188 self._asset_record.replaceEntry(r.entries[0])
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diff changeset
189
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190 logger.debug("Serving %s" % asset_out_path)
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diff changeset
191 wrapper = wrap_file(environ, open(asset_out_path, 'rb'))
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diff changeset
192 response = Response(wrapper)
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diff changeset
193 _, ext = os.path.splitext(rel_req_path)
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parents: 130
diff changeset
194 response.mimetype = self._mimetype_map.get(
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diff changeset
195 ext.lstrip('.'), 'text/plain')
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196 return response
3
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197
133
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diff changeset
198 def _try_serve_new_asset(self, app, environ, request):
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diff changeset
199 logger.debug("Searching for a new asset with path: %s" % request.path)
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diff changeset
200 mounts = app.assets_dirs
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parents: 130
diff changeset
201 pipeline = ProcessorPipeline(
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parents: 130
diff changeset
202 app, mounts, self._out_dir,
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parents: 130
diff changeset
203 skip_patterns=self._skip_patterns,
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Ludovic Chabant <ludovic@chabant.com>
parents: 130
diff changeset
204 force_patterns=self._force_patterns)
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parents: 130
diff changeset
205 r = pipeline.run(new_only=True, delete=False, save_record=False,
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parents: 130
diff changeset
206 previous_record=self._asset_record)
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parents: 130
diff changeset
207 for e in r.entries:
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diff changeset
208 self._asset_record.addEntry(e)
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diff changeset
209
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parents: 130
diff changeset
210 rel_req_path = request.path.lstrip('/').replace('/', os.sep)
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parents: 130
diff changeset
211 entry = self._asset_record.findEntry(rel_req_path)
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parents: 130
diff changeset
212 if entry is None:
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diff changeset
213 return None
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diff changeset
214
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diff changeset
215 asset_out_path = os.path.join(self._out_dir, rel_req_path)
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parents: 130
diff changeset
216 logger.debug("Found new asset: %s" % entry.path)
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
217 logger.debug("Serving %s" % asset_out_path)
7
343d08ef5668 More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
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parents: 5
diff changeset
218 wrapper = wrap_file(environ, open(asset_out_path, 'rb'))
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
219 response = Response(wrapper)
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diff changeset
220 _, ext = os.path.splitext(rel_req_path)
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diff changeset
221 response.mimetype = self._mimetype_map.get(
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
222 ext.lstrip('.'), 'text/plain')
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diff changeset
223 return response
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
224
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diff changeset
225 def _try_serve_page_asset(self, app, environ, request):
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parents:
diff changeset
226 if not request.path.startswith('/_asset/'):
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diff changeset
227 return None
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parents:
diff changeset
228
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229 full_path = os.path.join(app.root_dir, request.path[len('/_asset/'):])
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diff changeset
230 if not os.path.isfile(full_path):
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diff changeset
231 return None
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parents:
diff changeset
232
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
233 logger.debug("Serving %s" % full_path)
7
343d08ef5668 More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
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parents: 5
diff changeset
234 wrapper = wrap_file(environ, open(full_path, 'rb'))
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
235 response = Response(wrapper)
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diff changeset
236 _, ext = os.path.splitext(full_path)
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diff changeset
237 response.mimetype = self._mimetype_map.get(
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
238 ext.lstrip('.'), 'text/plain')
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parents:
diff changeset
239 return response
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parents:
diff changeset
240
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diff changeset
241 def _try_serve_page(self, app, environ, request):
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diff changeset
242 # Try to find what matches the requested URL.
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diff changeset
243 req_path = request.path
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parents:
diff changeset
244 page_num = 1
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diff changeset
245 pgn_suffix_re = app.config.get('__cache/pagination_suffix_re')
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parents:
diff changeset
246 pgn_suffix_m = re.search(pgn_suffix_re, request.path)
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parents:
diff changeset
247 if pgn_suffix_m:
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parents:
diff changeset
248 req_path = request.path[:pgn_suffix_m.start()]
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parents:
diff changeset
249 page_num = int(pgn_suffix_m.group('num'))
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parents:
diff changeset
250
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diff changeset
251 routes = find_routes(app.routes, req_path)
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parents:
diff changeset
252 if len(routes) == 0:
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diff changeset
253 raise RouteNotFoundError("Can't find route for: %s" % req_path)
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parents:
diff changeset
254
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
255 taxonomy = None
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
256 for route, route_metadata in routes:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
257 source = app.getSource(route.source_name)
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parents:
diff changeset
258 if route.taxonomy is None:
11
617191dec18e Fixes for Windows, make `findPagePath` return a ref path.
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parents: 7
diff changeset
259 rel_path, fac_metadata = source.findPagePath(
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
260 route_metadata, MODE_PARSING)
11
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diff changeset
261 if rel_path is not None:
3
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diff changeset
262 break
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diff changeset
263 else:
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diff changeset
264 taxonomy = app.getTaxonomy(route.taxonomy)
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diff changeset
265 term_value = route_metadata.get(taxonomy.term_name)
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diff changeset
266 if term_value is not None:
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diff changeset
267 tax_page_ref = taxonomy.getPageRef(source.name)
11
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diff changeset
268 rel_path = tax_page_ref.rel_path
3
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diff changeset
269 source = tax_page_ref.source
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diff changeset
270 fac_metadata = {taxonomy.term_name: term_value}
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diff changeset
271 break
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diff changeset
272 else:
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273 raise SourceNotFoundError("Can't find path for: %s "
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diff changeset
274 "(looked in: %s)" %
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diff changeset
275 (req_path, [r.source_name for r, _ in routes]))
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diff changeset
276
113
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diff changeset
277 # Build the page.
11
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diff changeset
278 fac = PageFactory(source, rel_path, fac_metadata)
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diff changeset
279 page = fac.buildPage()
3
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diff changeset
280 render_ctx = PageRenderingContext(page, req_path, page_num)
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281 if taxonomy is not None:
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282 flt = PaginationFilter()
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283 if taxonomy.is_multiple:
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284 flt.addClause(HasFilterClause(taxonomy.name, term_value))
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diff changeset
285 else:
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286 flt.addClause(IsFilterClause(taxonomy.name, term_value))
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287 render_ctx.pagination_filter = flt
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diff changeset
288 render_ctx.custom_data = {
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289 taxonomy.term_name: term_value}
113
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diff changeset
290
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diff changeset
291 # See if this page is known to use sources. If that's the case,
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diff changeset
292 # just don't use cached rendered segments for that page (but still
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diff changeset
293 # use them for pages that are included in it).
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diff changeset
294 entry = self._page_record.getEntry(req_path, page_num)
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diff changeset
295 if (taxonomy is not None or entry is None or
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diff changeset
296 entry.used_source_names):
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diff changeset
297 cache_key = '%s:%s' % (req_path, page_num)
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diff changeset
298 app.env.rendered_segments_repository.invalidate(cache_key)
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diff changeset
299
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diff changeset
300 # Render the page.
3
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301 rendered_page = render_page(render_ctx)
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diff changeset
302 rp_content = rendered_page.content
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diff changeset
303
128
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parents: 113
diff changeset
304 if taxonomy is not None:
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diff changeset
305 paginator = rendered_page.data.get('pagination')
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parents: 113
diff changeset
306 if (paginator and paginator.is_loaded and
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parents: 113
diff changeset
307 len(paginator.items) == 0):
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parents: 113
diff changeset
308 message = ("This URL matched a route for taxonomy '%s' but "
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parents: 113
diff changeset
309 "no pages have been found to have it. This page "
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parents: 113
diff changeset
310 "won't be generated by a bake." % taxonomy.name)
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parents: 113
diff changeset
311 raise NotFound(message)
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parents: 113
diff changeset
312
113
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parents: 111
diff changeset
313 if entry is None:
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parents: 111
diff changeset
314 entry = ServeRecordPageEntry(req_path, page_num)
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diff changeset
315 self._page_record.addEntry(entry)
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diff changeset
316 entry.used_source_names = set(render_ctx.used_source_names)
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parents: 111
diff changeset
317
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diff changeset
318 # Profiling.
7
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diff changeset
319 if app.debug:
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diff changeset
320 now_time = time.clock()
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diff changeset
321 timing_info = ('%8.1f ms' %
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parents: 5
diff changeset
322 ((now_time - app.env.start_time) * 1000.0))
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parents: 5
diff changeset
323 rp_content = rp_content.replace('__PIECRUST_TIMING_INFORMATION__',
343d08ef5668 More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
Ludovic Chabant <ludovic@chabant.com>
parents: 5
diff changeset
324 timing_info)
343d08ef5668 More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
Ludovic Chabant <ludovic@chabant.com>
parents: 5
diff changeset
325
113
de257cc40ce1 Re-enable proper caching of rendered segments in server.
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parents: 111
diff changeset
326 # Build the response.
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
327 response = Response()
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
328
7
343d08ef5668 More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
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diff changeset
329 etag = hashlib.md5(rp_content.encode('utf8')).hexdigest()
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
330 if not app.debug and etag in request.if_none_match:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
331 response.status_code = 304
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
332 return response
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
333
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
334 response.set_etag(etag)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
335 response.content_md5 = etag
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
336
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
337 cache_control = response.cache_control
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
338 if app.debug:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
339 cache_control.no_cache = True
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
340 cache_control.must_revalidate = True
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
341 else:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
342 cache_time = (page.config.get('cache_time') or
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
343 app.config.get('site/cache_time'))
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
344 if cache_time:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
345 cache_control.public = True
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
346 cache_control.max_age = cache_time
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
347
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
348 content_type = page.config.get('content_type')
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
349 if content_type and '/' not in content_type:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
350 mimetype = content_type_map.get(content_type, content_type)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
351 else:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
352 mimetype = content_type
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
353 if mimetype:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
354 response.mimetype = mimetype
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
355
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
356 if ('gzip' in request.accept_encodings and
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
357 app.config.get('site/enable_gzip')):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
358 try:
7
343d08ef5668 More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
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parents: 5
diff changeset
359 with io.BytesIO() as gzip_buffer:
343d08ef5668 More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
Ludovic Chabant <ludovic@chabant.com>
parents: 5
diff changeset
360 with gzip.open(gzip_buffer, mode='wt',
343d08ef5668 More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
Ludovic Chabant <ludovic@chabant.com>
parents: 5
diff changeset
361 encoding='utf8') as gzip_file:
343d08ef5668 More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
Ludovic Chabant <ludovic@chabant.com>
parents: 5
diff changeset
362 gzip_file.write(rp_content)
343d08ef5668 More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
Ludovic Chabant <ludovic@chabant.com>
parents: 5
diff changeset
363 rp_content = gzip_buffer.getvalue()
343d08ef5668 More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
Ludovic Chabant <ludovic@chabant.com>
parents: 5
diff changeset
364 response.content_encoding = 'gzip'
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
365 except Exception:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
366 logger.exception("Error compressing response, "
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
367 "falling back to uncompressed.")
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
368 response.set_data(rp_content)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
369
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
370 return response
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
371
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
372 def _handle_error(self, exception, environ, start_response):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
373 path = 'error'
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
374 if isinstance(exception, NotFound):
128
28444014ce7d Fix error reporting and counting of lines.
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parents: 113
diff changeset
375 path += '404'
28444014ce7d Fix error reporting and counting of lines.
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parents: 113
diff changeset
376 description = str(exception)
28444014ce7d Fix error reporting and counting of lines.
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parents: 113
diff changeset
377 if isinstance(exception, HTTPException):
28444014ce7d Fix error reporting and counting of lines.
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parents: 113
diff changeset
378 description = exception.description
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
379 env = Environment(loader=ErrorMessageLoader())
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
380 template = env.get_template(path)
128
28444014ce7d Fix error reporting and counting of lines.
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parents: 113
diff changeset
381 context = {'details': description}
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
382 response = Response(template.render(context), mimetype='text/html')
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
383 return response(environ, start_response)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
384
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
385
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
386 class WsgiServer(object):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
387 def __init__(self, server):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
388 self.server = server
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
389
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
390 def __call__(self, environ, start_response):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
391 return self.server._run_request(environ, start_response)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
392
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
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393
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394 class RouteNotFoundError(Exception):
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395 pass
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396
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397
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398 class SourceNotFoundError(Exception):
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399 pass
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400
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401
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402 content_type_map = {
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403 'html': 'text/html',
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404 'xml': 'text/xml',
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405 'txt': 'text/plain',
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406 'text': 'text/plain',
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407 'css': 'text/css',
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408 'xhtml': 'application/xhtml+xml',
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409 'atom': 'application/atom+xml', # or 'text/xml'?
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410 'rss': 'application/rss+xml', # or 'text/xml'?
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411 'json': 'application/json'}
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412
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413
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414 def find_routes(routes, uri):
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415 uri = uri.lstrip('/')
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416 res = []
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417 for route in routes:
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418 m = route.uri_re.match(uri)
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419 if m:
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420 metadata = m.groupdict()
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421 res.append((route, metadata))
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422 return res
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423
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424
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425 class ErrorMessageLoader(FileSystemLoader):
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426 def __init__(self):
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427 base_dir = os.path.join(os.path.dirname(__file__), 'resources',
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428 'messages')
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429 super(ErrorMessageLoader, self).__init__(base_dir)
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430
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431 def get_source(self, env, template):
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432 template += '.html'
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433 return super(ErrorMessageLoader, self).get_source(env, template)
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434
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435
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436 def load_mimetype_map():
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437 mimetype_map = {}
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438 sep_re = re.compile(r'\s+')
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439 path = os.path.join(os.path.dirname(__file__), 'mime.types')
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440 with open(path, 'r') as f:
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441 for line in f:
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442 tokens = sep_re.split(line)
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443 if len(tokens) > 1:
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444 for t in tokens[1:]:
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445 mimetype_map[t] = tokens[0]
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446 return mimetype_map
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447