41
43
if not isinstance(plugin, basestring):
42
44
plugin = req.config.reverse_plugins[plugin]
44
media_path = os.path.join('+media', '+' + req.config['media']['version']) \
45
if req.config['media']['version'] else '+media'
47
return req.make_path(os.path.join(media_path, plugin, path))
48
media_path = os.path.join('+media', '+' + config['media']['version']) if \
49
config['media']['version'] else '+media'
51
return os.path.join(ivle.conf.root_dir, media_path, plugin, path)
49
53
class BaseMediaFileView(BaseView):
50
54
'''A view for media files.
137
141
return super(VersionedMediaFileView, self)._make_filename(req)
140
# This maps a media namespace to an external dependency directory (in this
141
# case specified by the configuration option media/externals/jquery) and a
142
# list of permitted subpaths.
143
EXTERNAL_MEDIA_MAP = {'jquery': ('jquery', ['jquery.js'])}
145
class ExternalMediaFileView(BaseMediaFileView):
146
'''A view for media files from external dependencies.
148
This serves specific static files from external dependencies as defined in
149
the IVLE configuration.
153
def _make_filename(self, req):
155
extern = EXTERNAL_MEDIA_MAP[self.ns]
159
# Unless it's a whitelisted path, we don't want to hear about it.
160
if self.path not in extern[1]:
163
# Grab the admin-configured path for this particular external dep.
164
externdir = req.config['media']['externals'][extern[0]]
166
assert isinstance(externdir, basestring)
168
return os.path.join(externdir, self.path)
170
def get_permissions(self, user):
173
class ExternalVersionedMediaFileView(ExternalMediaFileView):
174
'''A view for versioned media files from external dependencies, with
177
This serves specific static media files from external dependencies with a
178
version string, and requests that browsers cache them for a long time.
181
def __init__(self, req, ns, path, version):
182
super(ExternalVersionedMediaFileView, self).__init__(req, ns, path)
183
self.version = version
185
def _make_filename(self, req):
186
if self.version != req.config['media']['version']:
189
# Don't expire for a year.
190
req.headers_out['Expires'] = email.utils.formatdate(
191
timeval=time.time() + (60*60*24*365),
194
return super(ExternalVersionedMediaFileView, self)._make_filename(req)
197
143
class Plugin(ViewPlugin, PublicViewPlugin):
199
('+media/+:version/+external/:ns/*path', ExternalVersionedMediaFileView),
200
('+media/+external/:ns/*path', ExternalMediaFileView),
201
145
('+media/+:version/:ns/*path', VersionedMediaFileView),
202
146
('+media/:ns/*path', MediaFileView),