def get_name(name_or_obj):
"""
Returns the 'name' attribute of 'name_or_obj' if present; if not,
returns 'name_or_obj'.
"""
if isinstance(name_or_obj, six.string_types):
# It's a name
return name_or_obj
try:
return name_or_obj.name
except AttributeError:
raise exc.MissingName(name_or_obj)
def get_container(self, container):
cname = self._resolve_name(container)
if not cname:
raise exc.MissingName("No container name specified")
cont = self._container_cache.get(cname)
if not cont:
hdrs = self.connection.head_container(cname)
cont = Container(self, name=cname,
object_count=hdrs.get("x-container-object-count"),
total_bytes=hdrs.get("x-container-bytes-used"))
self._container_cache[cname] = cont
return cont
def _get_name(self, name_or_obj):
"""
For convenience, many methods accept either an object or the name
of the object as a parameter, but need the name to send to the
API. This method handles that conversion.
"""
if isinstance(name_or_obj, basestring):
return name_or_obj
try:
return name_or_obj.name
except AttributeError:
msg = "The object '%s' does not have a 'name' attribute." % name_or_obj
raise exc.MissingName(msg)