def get_media_backend(fail_silently=True, handles_media_types=None,
handles_file_extensions=None):
"""
Returns the MediaBackend subclass that is configured for use with
media_tree.
"""
backends = app_settings.MEDIA_TREE_MEDIA_BACKENDS
if not len(backends):
if not fail_silently:
raise ImproperlyConfigured(
'There is no media backend configured. Please define '
'MEDIA_TREE_MEDIA_BACKENDS in your settings.')
else:
return False
# Traverse backends until there is one supporting what's requested:
for path in backends:
backend = get_module_attr(path)
hmt = (not handles_media_types
or backend.handles_media_types(handles_media_types))
hfe = (not handles_file_extensions
or backend.handles_file_extensions(handles_file_extensions))
if hmt and hfe:
return backend
if not fail_silently:
raise ImproperlyConfigured('There is no media backend configured '
'to handle the specified file types.')
return False
def get_media_backend(fail_silently=True, handles_media_types=None,
handles_file_extensions=None, supports_thumbnails=None):
"""
Returns the MediaBackend subclass that is configured for use with
media_tree.
"""
backends = app_settings.MEDIA_TREE_MEDIA_BACKENDS
if not len(backends):
if not fail_silently:
raise ImproperlyConfigured('There is no media backend configured.' \
+ ' Please define `MEDIA_TREE_MEDIA_BACKENDS` in your settings.')
else:
return False
for path in backends:
# Traverse backends until there is one supporting what's requested:
backend = get_module_attr(path)
if (not handles_media_types or backend.handles_media_types(handles_media_types)) \
and (not handles_file_extensions or backend.handles_file_extensions(handles_file_extensions)) \
and (not supports_thumbnails or backend.supports_thumbnails()):
return backend
if not fail_silently:
raise ImproperlyConfigured('There is no media backend configured to handle' \
' the specified file types.')
return False
def get_media_backend(fail_silently=True,
handles_media_types=None,
handles_file_extensions=None):
"""
Returns the MediaBackend subclass that is configured for use with
media_tree.
"""
backends = app_settings.MEDIA_TREE_MEDIA_BACKENDS
if not len(backends):
if not fail_silently:
raise ImproperlyConfigured('There is no media backend configured.' \
+ ' Please define `MEDIA_TREE_MEDIA_BACKENDS` in your settings.')
else:
return False
for path in backends:
# Traverse backends until there is one supporting what's requested:
backend = get_module_attr(path)
if (not handles_media_types or backend.handles_media_types(handles_media_types)) \
and (not handles_file_extensions or backend.handles_file_extensions(handles_file_extensions)):
return backend
if not fail_silently:
raise ImproperlyConfigured('There is no media backend configured to handle' \
' the specified file types.')
return False
def get_icon_finders(finder_names):
global ICON_FINDERS
if not ICON_FINDERS:
finders = []
for finder_name in finder_names:
finder = get_module_attr(finder_name)
if not hasattr(finder, 'find'):
raise ImproperlyConfigured('Module "%s" does not define a "find" method' % finder_name)
finders.append(finder)
ICON_FINDERS = finders
return ICON_FINDERS
def get_icon_finders(finder_names):
global ICON_FINDERS
if not ICON_FINDERS:
finders = []
for finder_name in finder_names:
finder = get_module_attr(finder_name)
if not hasattr(finder, 'find'):
raise ImproperlyConfigured(
'Module "%s" does not define a "find" method' %
finder_name)
finders.append(finder)
ICON_FINDERS = finders
return ICON_FINDERS
