annotate piecrust/serving/server.py @ 411:e7b865f8f335

bake: Enable multiprocess baking. Baking is now done by running a worker per CPU, and sending jobs to them. This changes several things across the codebase: * Ability to not cache things related to pages other than the 'main' page (i.e. the page at the bottom of the execution stack). * Decouple the baking process from the bake records, so only the main process keeps track (and modifies) the bake record. * Remove the need for 'batch page getters' and loading a page directly from the page factories. There are various smaller changes too included here, including support for scope performance timers that are saved with the bake record and can be printed out to the console. Yes I got carried away. For testing, the in-memory 'mock' file-system doesn't work anymore, since we're spawning processes, so this is replaced by a 'tmpfs' file-system which is saved in temporary files on disk and deleted after tests have run.
author Ludovic Chabant <ludovic@chabant.com>
date Fri, 12 Jun 2015 17:09:19 -0700
parents 2bb5327c4c1f
children d5724c0c8f1a
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1 import io
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2 import os
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3 import re
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4 import gzip
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5 import time
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6 import os.path
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7 import hashlib
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8 import logging
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9 import datetime
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10 from werkzeug.exceptions import (
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11 NotFound, MethodNotAllowed, InternalServerError, HTTPException)
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12 from werkzeug.wrappers import Request, Response
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13 from werkzeug.wsgi import ClosingIterator, wrap_file
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14 from jinja2 import FileSystemLoader, Environment
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15 from piecrust import CACHE_DIR, RESOURCES_DIR
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16 from piecrust.app import PieCrust
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17 from piecrust.rendering import QualifiedPage, PageRenderingContext, render_page
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18 from piecrust.sources.base import MODE_PARSING
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19 from piecrust.uriutil import split_sub_uri
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22 logger = logging.getLogger(__name__)
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24
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25 class ServeRecord(object):
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26 def __init__(self):
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27 self.entries = {}
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28
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29 def addEntry(self, entry):
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30 key = self._makeKey(entry.uri, entry.sub_num)
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31 self.entries[key] = entry
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32
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33 def getEntry(self, uri, sub_num):
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34 key = self._makeKey(uri, sub_num)
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35 return self.entries.get(key)
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36
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37 def _makeKey(self, uri, sub_num):
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38 return "%s:%s" % (uri, sub_num)
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40
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41 class ServeRecordPageEntry(object):
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42 def __init__(self, uri, sub_num):
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43 self.uri = uri
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44 self.sub_num = sub_num
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45 self.used_source_names = set()
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47
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48 class WsgiServerWrapper(object):
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49 def __init__(self, server):
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50 self.server = server
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51
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52 def __call__(self, environ, start_response):
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53 return self.server._run_request(environ, start_response)
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55
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56 class Server(object):
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57 def __init__(self, root_dir,
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58 debug=False, sub_cache_dir=None, enable_debug_info=True,
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59 static_preview=True, run_sse_check=None):
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60 self.root_dir = root_dir
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61 self.debug = debug
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62 self.sub_cache_dir = sub_cache_dir
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63 self.enable_debug_info = enable_debug_info
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64 self.run_sse_check = run_sse_check
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65 self.static_preview = static_preview
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66 self._page_record = ServeRecord()
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67 self._out_dir = os.path.join(root_dir, CACHE_DIR, 'server')
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68 self._proc_loop = None
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69 self._mimetype_map = load_mimetype_map()
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70
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71 def getWsgiApp(self):
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72 # Bake all the assets so we know what we have, and so we can serve
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73 # them to the client. We need a temp app for this.
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74 app = PieCrust(root_dir=self.root_dir, debug=self.debug)
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75 if self.sub_cache_dir:
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76 app._useSubCacheDir(self.sub_cache_dir)
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77 self._out_dir = os.path.join(app.sub_cache_dir, 'server')
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78
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79 if not self.run_sse_check or self.run_sse_check():
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80 # When using a server with code reloading, some implementations
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81 # use process forking and we end up going here twice. We only want
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82 # to start the pipeline loop in the inner process most of the
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83 # time so we let the implementation tell us if this is OK.
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84 from piecrust.processing.base import ProcessorPipeline
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85 from piecrust.serving.procloop import ProcessingLoop
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86 pipeline = ProcessorPipeline(app, self._out_dir)
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87 self._proc_loop = ProcessingLoop(pipeline)
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88 self._proc_loop.start()
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89
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90 # Run the WSGI app.
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91 wsgi_wrapper = WsgiServerWrapper(self)
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92 return wsgi_wrapper
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93
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94 def _run_request(self, environ, start_response):
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95 try:
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96 return self._try_run_request(environ, start_response)
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97 except Exception as ex:
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98 if self.debug:
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99 raise
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100 return self._handle_error(ex, environ, start_response)
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101
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102 def _try_run_request(self, environ, start_response):
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103 request = Request(environ)
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104
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105 # We don't support anything else than GET requests since we're
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106 # previewing something that will be static later.
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107 if self.static_preview and request.method != 'GET':
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108 logger.error("Only GET requests are allowed, got %s" %
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109 request.method)
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110 raise MethodNotAllowed()
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111
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112 # Handle special requests right away.
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113 response = self._try_special_request(environ, request)
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114 if response is not None:
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115 return response(environ, start_response)
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116
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117 # Also handle requests to a pipeline-built asset right away.
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118 response = self._try_serve_asset(environ, request)
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119 if response is not None:
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120 return response(environ, start_response)
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121
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122 # Create the app for this request.
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diff changeset
123 app = PieCrust(root_dir=self.root_dir, debug=self.debug)
391
3e4bb57d8506 tests: Add support for testing the Chef server.
Ludovic Chabant <ludovic@chabant.com>
parents: 390
diff changeset
124 if self.sub_cache_dir:
3e4bb57d8506 tests: Add support for testing the Chef server.
Ludovic Chabant <ludovic@chabant.com>
parents: 390
diff changeset
125 app._useSubCacheDir(self.sub_cache_dir)
374
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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126 app.config.set('site/root', '/')
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127 app.config.set('server/is_serving', True)
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diff changeset
128 if (app.config.get('site/enable_debug_info') and
375
aade4ea57e7f serve: Add ability to suppress the debug info window programmatically.
Ludovic Chabant <ludovic@chabant.com>
parents: 374
diff changeset
129 self.enable_debug_info and
374
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diff changeset
130 '!debug' in request.args):
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131 app.config.set('site/show_debug_info', True)
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132
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133 # We'll serve page assets directly from where they are.
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134 app.env.base_asset_url_format = '/_asset/%path%'
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135
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parents:
diff changeset
136 # Let's see if it can be a page asset.
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137 response = self._try_serve_page_asset(app, environ, request)
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138 if response is not None:
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139 return response(environ, start_response)
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140
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141 # Nope. Let's see if it's an actual page.
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142 try:
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143 response = self._try_serve_page(app, environ, request)
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144 return response(environ, start_response)
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145 except (RouteNotFoundError, SourceNotFoundError) as ex:
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146 raise NotFound(str(ex)) from ex
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147 except HTTPException:
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parents:
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148 raise
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149 except Exception as ex:
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Ludovic Chabant <ludovic@chabant.com>
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150 if app.debug:
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diff changeset
151 logger.exception(ex)
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parents:
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152 raise
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153 msg = str(ex)
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154 logger.error(msg)
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diff changeset
155 raise InternalServerError(msg) from ex
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diff changeset
156
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diff changeset
157 def _try_special_request(self, environ, request):
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158 static_mount = '/__piecrust_static/'
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159 if request.path.startswith(static_mount):
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160 rel_req_path = request.path[len(static_mount):]
409
2bb5327c4c1f debug: Fix serving of resources now that the module moved to a sub-folder.
Ludovic Chabant <ludovic@chabant.com>
parents: 391
diff changeset
161 mount = os.path.join(RESOURCES_DIR, 'server')
374
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162 full_path = os.path.join(mount, rel_req_path)
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parents:
diff changeset
163 try:
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164 response = self._make_wrapped_file_response(
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165 environ, request, full_path)
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166 return response
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parents:
diff changeset
167 except OSError:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
168 pass
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
169
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170 debug_mount = '/__piecrust_debug/'
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diff changeset
171 if request.path.startswith(debug_mount):
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parents:
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172 rel_req_path = request.path[len(debug_mount):]
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parents:
diff changeset
173 if rel_req_path == 'pipeline_status':
409
2bb5327c4c1f debug: Fix serving of resources now that the module moved to a sub-folder.
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parents: 391
diff changeset
174 from piecrust.serving.procloop import (
374
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175 PipelineStatusServerSideEventProducer)
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176 provider = PipelineStatusServerSideEventProducer(
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177 self._proc_loop.status_queue)
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178 it = ClosingIterator(provider.run(), [provider.close])
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diff changeset
179 response = Response(it)
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180 response.headers['Cache-Control'] = 'no-cache'
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parents:
diff changeset
181 if 'text/event-stream' in request.accept_mimetypes:
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diff changeset
182 response.mimetype = 'text/event-stream'
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parents:
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183 response.direct_passthrough = True
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parents:
diff changeset
184 response.implicit_sequence_conversion = False
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parents:
diff changeset
185 return response
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
186
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
187 return None
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
188
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
189 def _try_serve_asset(self, environ, request):
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parents:
diff changeset
190 rel_req_path = request.path.lstrip('/').replace('/', os.sep)
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parents:
diff changeset
191 if request.path.startswith('/_cache/'):
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parents:
diff changeset
192 # Some stuff needs to be served directly from the cache directory,
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parents:
diff changeset
193 # like LESS CSS map files.
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parents:
diff changeset
194 full_path = os.path.join(self.root_dir, rel_req_path)
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parents:
diff changeset
195 else:
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parents:
diff changeset
196 full_path = os.path.join(self._out_dir, rel_req_path)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
197
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
198 try:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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diff changeset
199 response = self._make_wrapped_file_response(
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parents:
diff changeset
200 environ, request, full_path)
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parents:
diff changeset
201 return response
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
202 except OSError:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
203 pass
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
204 return None
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
205
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
206 def _try_serve_page_asset(self, app, environ, request):
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parents:
diff changeset
207 if not request.path.startswith('/_asset/'):
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parents:
diff changeset
208 return None
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
209
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
210 full_path = os.path.join(app.root_dir, request.path[len('/_asset/'):])
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
211 if not os.path.isfile(full_path):
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parents:
diff changeset
212 return None
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
213
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
214 return self._make_wrapped_file_response(environ, request, full_path)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
215
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
216 def _try_serve_page(self, app, environ, request):
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parents:
diff changeset
217 # Try to find what matches the requested URL.
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parents:
diff changeset
218 req_path, page_num = split_sub_uri(app, request.path)
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parents:
diff changeset
219
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
220 routes = find_routes(app.routes, req_path)
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parents:
diff changeset
221 if len(routes) == 0:
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parents:
diff changeset
222 raise RouteNotFoundError("Can't find route for: %s" % req_path)
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parents:
diff changeset
223
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
224 rendered_page = None
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parents:
diff changeset
225 first_not_found = None
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parents:
diff changeset
226 for route, route_metadata in routes:
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parents:
diff changeset
227 try:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
228 logger.debug("Trying to render match from source '%s'." %
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
229 route.source_name)
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parents:
diff changeset
230 rendered_page = self._try_render_page(
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
231 app, route, route_metadata, page_num, req_path)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
232 if rendered_page is not None:
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parents:
diff changeset
233 break
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
234 except NotFound as nfe:
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parents:
diff changeset
235 if first_not_found is None:
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Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
236 first_not_found = nfe
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
237 else:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
238 raise SourceNotFoundError(
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
239 "Can't find path for: %s (looked in: %s)" %
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
240 (req_path, [r.source_name for r, _ in routes]))
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
241
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
242 # If we haven't found any good match, raise whatever exception we
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
243 # first got. Otherwise, raise a generic exception.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
244 if rendered_page is None:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
245 first_not_found = first_not_found or NotFound(
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
246 "This page couldn't be found.")
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
247 raise first_not_found
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
248
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
249 # Start doing stuff.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
250 page = rendered_page.page
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
251 rp_content = rendered_page.content
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
252
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
253 # Profiling.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
254 if app.config.get('site/show_debug_info'):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
255 now_time = time.clock()
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
256 timing_info = (
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
257 '%8.1f ms' %
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
258 ((now_time - app.env.start_time) * 1000.0))
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
259 rp_content = rp_content.replace(
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
260 '__PIECRUST_TIMING_INFORMATION__', timing_info)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
261
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
262 # Build the response.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
263 response = Response()
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
264
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
265 etag = hashlib.md5(rp_content.encode('utf8')).hexdigest()
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
266 if not app.debug and etag in request.if_none_match:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
267 response.status_code = 304
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
268 return response
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
269
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
270 response.set_etag(etag)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
271 response.content_md5 = etag
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
272
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
273 cache_control = response.cache_control
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
274 if app.debug:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
275 cache_control.no_cache = True
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
276 cache_control.must_revalidate = True
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
277 else:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
278 cache_time = (page.config.get('cache_time') or
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
279 app.config.get('site/cache_time'))
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
280 if cache_time:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
281 cache_control.public = True
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
282 cache_control.max_age = cache_time
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
283
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
284 content_type = page.config.get('content_type')
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
285 if content_type and '/' not in content_type:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
286 mimetype = content_type_map.get(content_type, content_type)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
287 else:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
288 mimetype = content_type
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
289 if mimetype:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
290 response.mimetype = mimetype
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
291
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
292 if ('gzip' in request.accept_encodings and
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
293 app.config.get('site/enable_gzip')):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
294 try:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
295 with io.BytesIO() as gzip_buffer:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
296 with gzip.open(gzip_buffer, mode='wt',
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
297 encoding='utf8') as gzip_file:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
298 gzip_file.write(rp_content)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
299 rp_content = gzip_buffer.getvalue()
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
300 response.content_encoding = 'gzip'
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
301 except Exception:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
302 logger.exception("Error compressing response, "
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
303 "falling back to uncompressed.")
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
304 response.set_data(rp_content)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
305
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
306 return response
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
307
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
308 def _try_render_page(self, app, route, route_metadata, page_num, req_path):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
309 # Match the route to an actual factory.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
310 taxonomy_info = None
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
311 source = app.getSource(route.source_name)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
312 if route.taxonomy_name is None:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
313 factory = source.findPageFactory(route_metadata, MODE_PARSING)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
314 if factory is None:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
315 return None
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
316 else:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
317 taxonomy = app.getTaxonomy(route.taxonomy_name)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
318 route_terms = route_metadata.get(taxonomy.term_name)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
319 if route_terms is None:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
320 return None
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
321
411
e7b865f8f335 bake: Enable multiprocess baking.
Ludovic Chabant <ludovic@chabant.com>
parents: 409
diff changeset
322 tax_page_ref = taxonomy.getPageRef(source)
374
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
323 factory = tax_page_ref.getFactory()
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
324 tax_terms = route.unslugifyTaxonomyTerm(route_terms)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
325 route_metadata[taxonomy.term_name] = tax_terms
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
326 taxonomy_info = (taxonomy, tax_terms)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
327
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
328 # Build the page.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
329 page = factory.buildPage()
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
330 # We force the rendering of the page because it could not have
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
331 # changed, but include pages that did change.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
332 qp = QualifiedPage(page, route, route_metadata)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
333 render_ctx = PageRenderingContext(qp,
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
334 page_num=page_num,
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
335 force_render=True)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
336 if taxonomy_info is not None:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
337 taxonomy, tax_terms = taxonomy_info
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
338 render_ctx.setTaxonomyFilter(taxonomy, tax_terms)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
339
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
340 # See if this page is known to use sources. If that's the case,
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
341 # just don't use cached rendered segments for that page (but still
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
342 # use them for pages that are included in it).
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
343 uri = qp.getUri()
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
344 entry = self._page_record.getEntry(uri, page_num)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
345 if (taxonomy_info is not None or entry is None or
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
346 entry.used_source_names):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
347 cache_key = '%s:%s' % (uri, page_num)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
348 app.env.rendered_segments_repository.invalidate(cache_key)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
349
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
350 # Render the page.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
351 rendered_page = render_page(render_ctx)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
352
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
353 # Check if this page is a taxonomy page that actually doesn't match
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
354 # anything.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
355 if taxonomy_info is not None:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
356 paginator = rendered_page.data.get('pagination')
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
357 if (paginator and paginator.is_loaded and
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
358 len(paginator.items) == 0):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
359 taxonomy = taxonomy_info[0]
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
360 message = ("This URL matched a route for taxonomy '%s' but "
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
361 "no pages have been found to have it. This page "
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
362 "won't be generated by a bake." % taxonomy.name)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
363 raise NotFound(message)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
364
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
365 # Remember stuff for next time.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
366 if entry is None:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
367 entry = ServeRecordPageEntry(req_path, page_num)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
368 self._page_record.addEntry(entry)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
369 for p, pinfo in render_ctx.render_passes.items():
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
370 entry.used_source_names |= pinfo.used_source_names
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
371
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
372 # Ok all good.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
373 return rendered_page
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
374
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
375 def _make_wrapped_file_response(self, environ, request, path):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
376 logger.debug("Serving %s" % path)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
377
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
378 # Check if we can return a 304 status code.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
379 mtime = os.path.getmtime(path)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
380 etag_str = '%s$$%s' % (path, mtime)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
381 etag = hashlib.md5(etag_str.encode('utf8')).hexdigest()
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
382 if etag in request.if_none_match:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
383 response = Response()
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
384 response.status_code = 304
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
385 return response
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
386
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
387 wrapper = wrap_file(environ, open(path, 'rb'))
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
388 response = Response(wrapper)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
389 _, ext = os.path.splitext(path)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
390 response.set_etag(etag)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
391 response.last_modified = datetime.datetime.fromtimestamp(mtime)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
392 response.mimetype = self._mimetype_map.get(
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
393 ext.lstrip('.'), 'text/plain')
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
394 return response
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
395
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
396 def _handle_error(self, exception, environ, start_response):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
397 code = 500
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
398 if isinstance(exception, HTTPException):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
399 code = exception.code
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
400
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
401 path = 'error'
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
402 if isinstance(exception, NotFound):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
403 path += '404'
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
404
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
405 descriptions = self._get_exception_descriptions(exception)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
406
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
407 env = Environment(loader=ErrorMessageLoader())
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
408 template = env.get_template(path)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
409 context = {'details': descriptions}
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
410 response = Response(template.render(context), mimetype='text/html')
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
411 response.status_code = code
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
412 return response(environ, start_response)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
413
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
414 def _get_exception_descriptions(self, exception):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
415 desc = []
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
416 while exception is not None:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
417 if isinstance(exception, HTTPException):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
418 desc.append(exception.description)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
419 else:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
420 desc.append(str(exception))
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
421
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
422 inner_ex = exception.__cause__
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
423 if inner_ex is None:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
424 inner_ex = exception.__context__
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
425 exception = inner_ex
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
426 return desc
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
427
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
428
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
429 class RouteNotFoundError(Exception):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
430 pass
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
431
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
432
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
433 class SourceNotFoundError(Exception):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
434 pass
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
435
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
436
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
437 content_type_map = {
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
438 'html': 'text/html',
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
439 'xml': 'text/xml',
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
440 'txt': 'text/plain',
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
441 'text': 'text/plain',
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
442 'css': 'text/css',
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
443 'xhtml': 'application/xhtml+xml',
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
444 'atom': 'application/atom+xml', # or 'text/xml'?
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
445 'rss': 'application/rss+xml', # or 'text/xml'?
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
446 'json': 'application/json'}
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
447
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
448
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
449 def find_routes(routes, uri):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
450 res = []
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
451 for route in routes:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
452 metadata = route.matchUri(uri)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
453 if metadata is not None:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
454 res.append((route, metadata))
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
455 return res
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
456
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
457
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
458 class ErrorMessageLoader(FileSystemLoader):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
459 def __init__(self):
409
2bb5327c4c1f debug: Fix serving of resources now that the module moved to a sub-folder.
Ludovic Chabant <ludovic@chabant.com>
parents: 391
diff changeset
460 base_dir = os.path.join(RESOURCES_DIR, 'messages')
374
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
461 super(ErrorMessageLoader, self).__init__(base_dir)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
462
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
463 def get_source(self, env, template):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
464 template += '.html'
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
465 return super(ErrorMessageLoader, self).get_source(env, template)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
466
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
467
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
468 def load_mimetype_map():
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
469 mimetype_map = {}
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
470 sep_re = re.compile(r'\s+')
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
471 path = os.path.join(os.path.dirname(__file__), 'mime.types')
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
472 with open(path, 'r') as f:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
473 for line in f:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
474 tokens = sep_re.split(line)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
475 if len(tokens) > 1:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
476 for t in tokens[1:]:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
477 mimetype_map[t] = tokens[0]
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
478 return mimetype_map
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
479