122 lines
4.2 KiB
Python
122 lines
4.2 KiB
Python
import re
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import six
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import datetime
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from django.conf import settings
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from django.http import HttpResponse
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from django.core.urlresolvers import reverse
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from tastypie.api import Api
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from tastypie.serializers import Serializer
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from tastypie.exceptions import BadRequest, ApiFieldError
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from tastypie.utils.mime import determine_format, build_content_type
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from tastypie.utils import is_valid_jsonp_callback_value
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from tastypie.fields import ApiField
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import debug # pyflakes:ignore
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_api_list = []
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for _app in settings.INSTALLED_APPS:
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_module_dict = globals()
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if '.' in _app:
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_root, _name = _app.split('.', 1)
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if _root == 'ietf':
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if not '.' in _name:
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_api = Api(api_name=_name)
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_module_dict[_name] = _api
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_api_list.append((_name, _api))
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def top_level(request):
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available_resources = {}
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apitop = reverse('ietf.api.top_level')
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for name in sorted([ name for name, api in _api_list if len(api._registry) > 0 ]):
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available_resources[name] = {
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'list_endpoint': '%s/%s/' % (apitop, name),
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}
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serializer = Serializer()
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desired_format = determine_format(request, serializer)
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options = {}
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if 'text/javascript' in desired_format:
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callback = request.GET.get('callback', 'callback')
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if not is_valid_jsonp_callback_value(callback):
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raise BadRequest('JSONP callback name is invalid.')
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options['callback'] = callback
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serialized = serializer.serialize(available_resources, desired_format, options)
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return HttpResponse(content=serialized, content_type=build_content_type(desired_format))
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def autodiscover():
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"""
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Auto-discover INSTALLED_APPS resources.py modules and fail silently when
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not present. This forces an import on them to register any admin bits they
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may want.
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"""
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from django.conf import settings
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from django.utils.importlib import import_module
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from django.utils.module_loading import module_has_submodule
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for app in settings.INSTALLED_APPS:
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mod = import_module(app)
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# Attempt to import the app's admin module.
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try:
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import_module('%s.resources' % (app, ))
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except:
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# Decide whether to bubble up this error. If the app just
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# doesn't have an admin module, we can ignore the error
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# attempting to import it, otherwise we want it to bubble up.
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if module_has_submodule(mod, "resources"):
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raise
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TIMEDELTA_REGEX = re.compile('^(?P<days>\d+d)?\s?(?P<hours>\d+h)?\s?(?P<minutes>\d+m)?\s?(?P<seconds>\d+s?)$')
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class TimedeltaField(ApiField):
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dehydrated_type = 'timedelta'
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help_text = "A timedelta field, with duration expressed in seconds. Ex: 132"
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def convert(self, value):
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if value is None:
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return None
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if isinstance(value, six.string_types):
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match = TIMEDELTA_REGEX.search(value)
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if match:
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data = match.groupdict()
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return datetime.timedelta(int(data['days']), int(data['hours']), int(data['minutes']), int(data['seconds']))
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else:
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raise ApiFieldError("Timedelta provided to '%s' field doesn't appear to be a valid timedelta string: '%s'" % (self.instance_name, value))
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return value
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def hydrate(self, bundle):
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value = super(TimedeltaField, self).hydrate(bundle)
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if value and not hasattr(value, 'seconds'):
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if isinstance(value, six.string_types):
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try:
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match = TIMEDELTA_REGEX.search(value)
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if match:
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data = match.groupdict()
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value = datetime.timedelta(int(data['days']), int(data['hours']), int(data['minutes']), int(data['seconds']))
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else:
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raise ValueError()
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except (ValueError, TypeError):
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raise ApiFieldError("Timedelta provided to '%s' field doesn't appear to be a valid datetime string: '%s'" % (self.instance_name, value))
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else:
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raise ApiFieldError("Datetime provided to '%s' field must be a string: %s" % (self.instance_name, value))
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return value
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