/usr/lib/python2.7/dist-packages/maasserver/views/combo.py is in python-django-maas 1.5.4+bzr2294-0ubuntu1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | # Copyright 2012 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Combo view."""
from __future__ import (
absolute_import,
print_function,
unicode_literals,
)
str = None
__metaclass__ = type
__all__ = [
'get_combo_view',
]
from functools import partial
import os
from convoy.combo import (
combine_files,
parse_qs,
)
from django.conf import settings as django_settings
from django.http import (
HttpResponse,
HttpResponseBadRequest,
HttpResponseNotFound,
HttpResponseRedirect,
)
# Static root computed from this very file.
LOCAL_STATIC_ROOT = os.path.join(
os.path.dirname(os.path.dirname(__file__)), 'static')
def get_absolute_location(location=''):
"""Return the absolute location of a static resource.
This utility exist to deal with the various places where MAAS can
find static resources.
If the given location is an absolute location, return it.
If not, treat the location as a relative location.
If the STATIC_ROOT setting is not null, meaning that this is a production
setup, use it as the root for the given relative location.
Otherwise, use LOCAL_STATIC_ROOT as the root for the given relative
location (this means that it's a development setup).
:param location: An optional absolute or relative location.
:type location: unicode
:return: The absolute path.
:rtype: unicode
"""
if location.startswith(os.path.sep):
return location
elif django_settings.STATIC_ROOT:
return os.path.join(
django_settings.STATIC_ROOT, location)
else:
return os.path.join(LOCAL_STATIC_ROOT, location)
def get_combo_view(location='', default_redirect=None):
"""Return a Django view to serve static resources using a combo loader.
:param location: An optional absolute or relative location.
:type location: unicode
:param default_redirect: An optional address where requests for one file
of an unknown file type will be redirected. If this parameter is
omitted, such requests will lead to a "Bad request" response.
:type location: unicode
:return: A Django view method.
:rtype: callable
"""
location = get_absolute_location(location)
return partial(
combo_view, location=location, default_redirect=default_redirect)
def combo_view(request, location, default_redirect=None, encoding='utf8'):
"""Handle a request for combining a set of files.
The files are searched in the absolute location `abs_location` (if
defined) or in the relative location `rel_location`.
"""
fnames = parse_qs(request.META.get("QUERY_STRING", ""))
if fnames:
if fnames[0].endswith('.js'):
content_type = 'text/javascript; charset=UTF-8'
elif fnames[0].endswith('.css'):
content_type = 'text/css'
elif default_redirect is not None and len(fnames) == 1:
return HttpResponseRedirect(
"%s%s" % (default_redirect, fnames[0]))
else:
return HttpResponseBadRequest(
"Invalid file type requested.",
content_type="text/plain; charset=UTF-8")
content = "".join(
[content.decode(encoding) for content in combine_files(
fnames, location, resource_prefix='/', rewrite_urls=True)])
return HttpResponse(
content_type=content_type, status=200, content=content)
return HttpResponseNotFound()
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