def auto_configure_backend_factory(self):
"Assign :attr:`backend_factory` from ``settings.DOWNLOADVIEW_BACKEND``"
try:
self.backend_factory = import_member(settings.DOWNLOADVIEW_BACKEND)
except AttributeError:
raise ImproperlyConfigured('SmartDownloadMiddleware requires '
'settings.DOWNLOADVIEW_BACKEND')
def auto_configure_backend_factory(self):
"Assign :attr:`backend_factory` from ``settings.DOWNLOADVIEW_BACKEND``"
try:
self.backend_factory = import_member(settings.DOWNLOADVIEW_BACKEND)
except AttributeError:
raise ImproperlyConfigured("SmartDownloadMiddleware requires "
"settings.DOWNLOADVIEW_BACKEND")
def auto_configure_middlewares(self):
"""Populate :attr:`middlewares` from
``settings.DOWNLOADVIEW_MIDDLEWARES``."""
for (key, import_string,
kwargs) in getattr(settings, "DOWNLOADVIEW_MIDDLEWARES", []):
factory = import_member(import_string)
middleware = factory(**kwargs)
self.middlewares.append((key, middleware))
def auto_configure_middlewares(self):
"""Populate :attr:`middlewares` from
``settings.DOWNLOADVIEW_MIDDLEWARES``."""
for (key, import_string, kwargs) in getattr(settings,
'DOWNLOADVIEW_MIDDLEWARES',
[]):
factory = import_member(import_string)
middleware = factory(**kwargs)
self.middlewares.append((key, middleware))
def auto_configure_backend_options(self):
"""Populate :attr:`dispatcher` using :attr:`factory` and
``settings.DOWNLOADVIEW_RULES``."""
try:
options_list = copy.deepcopy(settings.DOWNLOADVIEW_RULES)
except AttributeError:
raise ImproperlyConfigured('SmartDownloadMiddleware requires '
'settings.DOWNLOADVIEW_RULES')
for key, options in enumerate(options_list):
args = []
kwargs = {}
if isinstance(options, collections.Mapping): # Using kwargs.
kwargs = options
else:
args = options
if 'backend' in kwargs: # Specific backend for this rule.
factory = import_member(kwargs['backend'])
del kwargs['backend']
else: # Fallback to global backend.
factory = self.backend_factory
middleware_instance = factory(*args, **kwargs)
self.dispatcher.middlewares.append((key, middleware_instance))
def auto_configure_backend_options(self):
"""Populate :attr:`dispatcher` using :attr:`factory` and
``settings.DOWNLOADVIEW_RULES``."""
try:
options_list = copy.deepcopy(settings.DOWNLOADVIEW_RULES)
except AttributeError:
raise ImproperlyConfigured("SmartDownloadMiddleware requires "
"settings.DOWNLOADVIEW_RULES")
for key, options in enumerate(options_list):
args = []
kwargs = {}
if isinstance(options, collections.Mapping): # Using kwargs.
kwargs = options
else:
args = options
if "backend" in kwargs: # Specific backend for this rule.
factory = import_member(kwargs["backend"])
del kwargs["backend"]
else: # Fallback to global backend.
factory = self.backend_factory
middleware_instance = factory(*args, **kwargs)
self.dispatcher.middlewares.append((key, middleware_instance))
