annotate piecrust/serving/server.py @ 380:f33712c4cfab

routing: Fix bugs with matching URLs with correct route but missing metadata. When matching a route like `/foo/%slug%` against an URL like `/foo`, the route will (correctly) return a match, but it will be completely missing the `slug` metadata, resulting in problems elsewhere. This change makes it so that any missing route metadata will be filled in with an empty string. And because this means generated URLs may differ from the incoming URL when using trailing slashes (`/foo/` _vs._ `/foo`), we make the assert in the chef server handle those discrepancies.
author Ludovic Chabant <ludovic@chabant.com>
date Sun, 10 May 2015 00:34:21 -0700
parents aade4ea57e7f
children 3a184fbc900b
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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.app import PieCrust
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16 from piecrust.rendering import QualifiedPage, PageRenderingContext, render_page
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17 from piecrust.sources.base import MODE_PARSING
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18 from piecrust.uriutil import split_sub_uri
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21 logger = logging.getLogger(__name__)
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23
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24 class ServeRecord(object):
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25 def __init__(self):
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26 self.entries = {}
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27
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28 def addEntry(self, entry):
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29 key = self._makeKey(entry.uri, entry.sub_num)
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30 self.entries[key] = entry
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31
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32 def getEntry(self, uri, sub_num):
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33 key = self._makeKey(uri, sub_num)
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34 return self.entries.get(key)
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35
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36 def _makeKey(self, uri, sub_num):
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37 return "%s:%s" % (uri, sub_num)
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40 class ServeRecordPageEntry(object):
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41 def __init__(self, uri, sub_num):
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42 self.uri = uri
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43 self.sub_num = sub_num
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44 self.used_source_names = set()
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46
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47 class WsgiServerWrapper(object):
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48 def __init__(self, server):
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49 self.server = server
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50
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51 def __call__(self, environ, start_response):
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52 return self.server._run_request(environ, start_response)
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54
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55 class Server(object):
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56 def __init__(self, root_dir,
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57 debug=False, sub_cache_dir=None, enable_debug_info=True,
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58 static_preview=True, run_sse_check=None):
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59 self.root_dir = root_dir
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60 self.debug = debug
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61 self.sub_cache_dir = sub_cache_dir
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62 self.enable_debug_info = enable_debug_info
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63 self.run_sse_check = run_sse_check
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64 self.static_preview = static_preview
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65 self._out_dir = None
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66 self._page_record = None
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67 self._proc_loop = None
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68 self._mimetype_map = load_mimetype_map()
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69
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70 def getWsgiApp(self):
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71 # Bake all the assets so we know what we have, and so we can serve
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72 # them to the client. We need a temp app for this.
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73 app = PieCrust(root_dir=self.root_dir, debug=self.debug)
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74 app._useSubCacheDir(self.sub_cache_dir)
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75 self._out_dir = os.path.join(app.sub_cache_dir, 'server')
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76 self._page_record = ServeRecord()
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77
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78 if not self.run_sse_check or self.run_sse_check():
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79 # When using a server with code reloading, some implementations
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80 # use process forking and we end up going here twice. We only want
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81 # to start the pipeline loop in the inner process most of the
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82 # time so we let the implementation tell us if this is OK.
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83 from piecrust.processing.base import ProcessorPipeline
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84 from piecrust.serving.procloop import ProcessingLoop
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85 pipeline = ProcessorPipeline(app, self._out_dir)
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86 self._proc_loop = ProcessingLoop(pipeline)
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87 self._proc_loop.start()
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88
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89 # Run the WSGI app.
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90 wsgi_wrapper = WsgiServerWrapper(self)
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91 return wsgi_wrapper
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92
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93 def _run_request(self, environ, start_response):
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94 try:
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95 return self._try_run_request(environ, start_response)
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96 except Exception as ex:
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97 if self.debug:
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98 raise
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99 return self._handle_error(ex, environ, start_response)
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100
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101 def _try_run_request(self, environ, start_response):
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102 request = Request(environ)
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103
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104 # We don't support anything else than GET requests since we're
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105 # previewing something that will be static later.
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106 if self.static_preview and request.method != 'GET':
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107 logger.error("Only GET requests are allowed, got %s" %
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108 request.method)
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109 raise MethodNotAllowed()
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110
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111 # Handle special requests right away.
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112 response = self._try_special_request(environ, request)
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113 if response is not None:
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114 return response(environ, start_response)
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115
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116 # Also handle requests to a pipeline-built asset right away.
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117 response = self._try_serve_asset(environ, request)
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118 if response is not None:
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119 return response(environ, start_response)
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parents:
diff changeset
120
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parents:
diff changeset
121 # Create the app for this request.
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122 app = PieCrust(root_dir=self.root_dir, debug=self.debug)
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123 app._useSubCacheDir(self.sub_cache_dir)
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parents:
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124 app.config.set('site/root', '/')
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diff changeset
125 app.config.set('server/is_serving', True)
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parents:
diff changeset
126 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
127 self.enable_debug_info and
374
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parents:
diff changeset
128 '!debug' in request.args):
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diff changeset
129 app.config.set('site/show_debug_info', True)
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diff changeset
130
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parents:
diff changeset
131 # We'll serve page assets directly from where they are.
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132 app.env.base_asset_url_format = '/_asset/%path%'
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diff changeset
133
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parents:
diff changeset
134 # Let's see if it can be a page asset.
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135 response = self._try_serve_page_asset(app, environ, request)
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parents:
diff changeset
136 if response is not None:
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diff changeset
137 return response(environ, start_response)
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diff changeset
138
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diff changeset
139 # Nope. Let's see if it's an actual page.
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140 try:
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diff changeset
141 response = self._try_serve_page(app, environ, request)
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142 return response(environ, start_response)
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143 except (RouteNotFoundError, SourceNotFoundError) as ex:
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144 raise NotFound(str(ex)) from ex
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145 except HTTPException:
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parents:
diff changeset
146 raise
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Ludovic Chabant <ludovic@chabant.com>
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diff changeset
147 except Exception as ex:
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Ludovic Chabant <ludovic@chabant.com>
parents:
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148 if app.debug:
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Ludovic Chabant <ludovic@chabant.com>
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diff changeset
149 logger.exception(ex)
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parents:
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150 raise
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diff changeset
151 msg = str(ex)
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152 logger.error(msg)
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153 raise InternalServerError(msg) from ex
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parents:
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154
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diff changeset
155 def _try_special_request(self, environ, request):
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156 static_mount = '/__piecrust_static/'
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parents:
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157 if request.path.startswith(static_mount):
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parents:
diff changeset
158 rel_req_path = request.path[len(static_mount):]
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diff changeset
159 mount = os.path.join(
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diff changeset
160 os.path.dirname(__file__),
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diff changeset
161 'resources', 'server')
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parents:
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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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diff changeset
164 response = self._make_wrapped_file_response(
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diff changeset
165 environ, request, full_path)
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diff changeset
166 return response
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parents:
diff changeset
167 except OSError:
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parents:
diff changeset
168 pass
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
169
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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diff changeset
170 debug_mount = '/__piecrust_debug/'
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parents:
diff changeset
171 if request.path.startswith(debug_mount):
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parents:
diff changeset
172 rel_req_path = request.path[len(debug_mount):]
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parents:
diff changeset
173 if rel_req_path == 'pipeline_status':
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parents:
diff changeset
174 from piecrust.server.procloop import (
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parents:
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175 PipelineStatusServerSideEventProducer)
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parents:
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176 provider = PipelineStatusServerSideEventProducer(
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parents:
diff changeset
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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parents:
diff changeset
182 response.mimetype = 'text/event-stream'
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parents:
diff changeset
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
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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)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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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.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
198 try:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
199 response = self._make_wrapped_file_response(
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
200 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
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.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
206 def _try_serve_page_asset(self, app, environ, request):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
207 if not request.path.startswith('/_asset/'):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
208 return None
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
209
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
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.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
215
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
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)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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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)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
221 if len(routes) == 0:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
222 raise RouteNotFoundError("Can't find route for: %s" % req_path)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
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
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
225 first_not_found = None
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
226 for route, route_metadata in routes:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
227 try:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
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.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
229 route.source_name)
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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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.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
234 except NotFound as nfe:
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Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
235 if first_not_found is None:
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parents:
diff changeset
236 first_not_found = nfe
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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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(
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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.
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parents:
diff changeset
240 (req_path, [r.source_name for r, _ in routes]))
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Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
241
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
242 # If we haven't found any good match, raise whatever exception we
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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.
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parents:
diff changeset
244 if rendered_page is None:
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parents:
diff changeset
245 first_not_found = first_not_found or NotFound(
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parents:
diff changeset
246 "This page couldn't be found.")
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
247 raise first_not_found
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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.
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parents:
diff changeset
250 page = rendered_page.page
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parents:
diff changeset
251 rp_content = rendered_page.content
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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.
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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.
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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.
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parents:
diff changeset
258 ((now_time - app.env.start_time) * 1000.0))
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parents:
diff changeset
259 rp_content = rp_content.replace(
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parents:
diff changeset
260 '__PIECRUST_TIMING_INFORMATION__', timing_info)
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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.
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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()
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parents:
diff changeset
266 if not app.debug and etag in request.if_none_match:
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diff changeset
267 response.status_code = 304
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parents:
diff changeset
268 return response
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parents:
diff changeset
269
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Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
270 response.set_etag(etag)
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diff changeset
271 response.content_md5 = etag
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parents:
diff changeset
272
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parents:
diff changeset
273 cache_control = response.cache_control
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Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
274 if app.debug:
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diff changeset
275 cache_control.no_cache = True
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parents:
diff changeset
276 cache_control.must_revalidate = True
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parents:
diff changeset
277 else:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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parents:
diff changeset
278 cache_time = (page.config.get('cache_time') or
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parents:
diff changeset
279 app.config.get('site/cache_time'))
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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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
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parents:
diff changeset
282 cache_control.max_age = cache_time
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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')
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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.
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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
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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.
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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:
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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:
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parents:
diff changeset
298 gzip_file.write(rp_content)
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parents:
diff changeset
299 rp_content = gzip_buffer.getvalue()
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parents:
diff changeset
300 response.content_encoding = 'gzip'
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
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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.
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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.
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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
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
322 tax_page_ref = taxonomy.getPageRef(source.name)
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.
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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()
380
f33712c4cfab routing: Fix bugs with matching URLs with correct route but missing metadata.
Ludovic Chabant <ludovic@chabant.com>
parents: 375
diff changeset
344 assert uri.rstrip(' /') == req_path.rstrip(' /')
374
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
345 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
346 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
347 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
348 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
349 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
350
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
351 # 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
352 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
353
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
354 # 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
355 # anything.
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
356 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
357 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
358 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
359 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
360 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
361 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
362 "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
363 "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
364 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
365
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
366 # 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
367 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
368 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
369 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
370 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
371 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
372
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
373 # 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
374 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
375
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
376 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
377 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
378
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
379 # 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
380 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
381 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
382 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
383 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
384 response = Response()
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
385 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
386 return response
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
387
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
388 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
389 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
390 _, 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
391 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
392 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
393 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
394 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
395 return response
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
396
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
397 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
398 code = 500
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
399 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
400 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
401
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
402 path = 'error'
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
403 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
404 path += '404'
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
405
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
406 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
407
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
408 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
409 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
410 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
411 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
412 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
413 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
414
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
415 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
416 desc = []
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
417 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
418 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
419 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
420 else:
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
421 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
422
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
423 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
424 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
425 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
426 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
427 return desc
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
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
430 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
431 pass
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
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
434 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
435 pass
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
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
438 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
439 '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
440 '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
441 '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
442 '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
443 '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
444 '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
445 '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
446 '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
447 '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
448
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
449
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
450 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
451 res = []
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
452 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
453 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
454 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
455 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
456 return res
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
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
459 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
460 def __init__(self):
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
461 base_dir = os.path.join(os.path.dirname(__file__), 'resources',
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
462 'messages')
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
463 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
464
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
465 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
466 template += '.html'
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
467 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
468
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
469
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
470 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
471 mimetype_map = {}
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
472 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
473 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
474 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
475 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
476 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
477 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
478 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
479 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
480 return mimetype_map
fa3ee8a8ee2d serve: Split the server code in a couple modules inside a `serving` package.
Ludovic Chabant <ludovic@chabant.com>
parents:
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481