def remove_region(self, region_name):
region_deleted_flag = False
assert isinstance(region_name, basestring)
try:
LOG.debug("remove regions {0} from flavor {1}".format(region_name,
str(self)))
for region in reversed(self.flavor_regions):
if region.region_name == region_name:
self.flavor_regions.remove(region)
region_deleted_flag = True
if not region_deleted_flag:
raise ErrorStatus(404,
"Failed to remove region {0} from flavor id {1}".format(
region_name, str(self.id)))
except ErrorStatus as e:
raise
except Exception as exception:
LOG.log_exception(
"Failed to remove region {0} from flavor {1}".format(
region_name, str(self)), exception)
raise
python类reversed()的实例源码
def remove_tag(self, tag_name):
deleted_flag = False
assert isinstance(tag_name, basestring)
try:
LOG.debug("remove tag {0} from flavor {1}".format(tag_name,
str(self)))
for tag in reversed(self.flavor_tags):
if tag.key_name == tag_name:
self.flavor_tags.remove(tag)
deleted_flag = True
if not deleted_flag:
raise ErrorStatus(404,
"Failed to remove tag {0} from flavor id {1}".format(
tag_name, str(self.id)))
except ErrorStatus as e:
raise
except Exception as exception:
LOG.log_exception(
"Failed to remove tag {0} from flavor {1}".format(
tag_name, str(self)), exception)
raise
def remove_extra_spec(self, extra_spec_key_name):
deleted_flag = False
assert isinstance(extra_spec_key_name, basestring)
try:
LOG.debug("remove extra_spec {} from flavor {}".format(extra_spec_key_name,
str(self)))
for extra_spec in reversed(self.flavor_extra_specs):
if extra_spec.key_name == extra_spec_key_name:
self.flavor_extra_specs.remove(extra_spec)
deleted_flag = True
if not deleted_flag:
# no need to raise in delete not found
LOG.debug(
"Failed to remove extra_spec {0} from flavor id {1}".format(
extra_spec_key_name, str(self.id)))
except ErrorStatus as e:
raise
except Exception as exception:
LOG.log_exception(
"Failed to remove extra_spec {0} from flavor {1}".format(extra_spec_key_name, str(self)), exception)
raise
def remove_tag(self, tag_name):
deleted_flag = False
assert isinstance(tag_name, basestring)
try:
LOG.debug("remove tag {0} from flavor {1}".format(tag_name,
str(self)))
for tag in reversed(self.flavor_tags):
if tag.key_name == tag_name:
self.flavor_tags.remove(tag)
deleted_flag = True
if not deleted_flag:
raise ErrorStatus(404,
"Failed to remove tag {0} from flavor id {1}".format(
tag_name, str(self.id)))
except ErrorStatus as e:
raise
except Exception as exception:
LOG.log_exception(
"Failed to remove tag {0} from flavor {1}".format(
tag_name, str(self)), exception)
raise
def reversed(x):
try:
return __builtin__.reversed(x)
except TypeError:
return reversed(list(x))
def string_to_natural(s, alphabet=None):
if alphabet is None:
assert not s.startswith('\x00')
return int(s.encode('hex'), 16) if s else 0
else:
assert len(set(alphabet)) == len(alphabet)
assert not s.startswith(alphabet[0])
return sum(alphabet.index(char) * len(alphabet)**i for i, char in enumerate(reversed(s)))
def reversed(x):
try:
return __builtin__.reversed(x)
except TypeError:
return reversed(list(x))
def string_to_natural(s, alphabet=None):
if alphabet is None:
assert not s.startswith('\x00')
return int(s.encode('hex'), 16) if s else 0
else:
assert len(set(alphabet)) == len(alphabet)
assert not s.startswith(alphabet[0])
return sum(alphabet.index(char) * len(alphabet)**i for i, char in enumerate(reversed(s)))
def ex_args(cls, f):
c = f.func_code
varnames_count, varnames_iter = c.co_argcount, iter(c.co_varnames)
args = tuple(itertools.islice(varnames_iter, varnames_count))
res = { a : v for v,a in zip(reversed(f.func_defaults or []), reversed(args)) }
try: starargs = next(varnames_iter) if c.co_flags & cls.CO_VARARGS else ""
except StopIteration: starargs = ""
try: kwdargs = next(varnames_iter) if c.co_flags & cls.CO_VARKEYWORDS else ""
except StopIteration: kwdargs = ""
return args, res, (starargs, kwdargs)
def reversed(x):
try:
return __builtin__.reversed(x)
except TypeError:
return reversed(list(x))
def string_to_natural(s, alphabet=None):
if alphabet is None:
assert not s.startswith('\x00')
return int(s.encode('hex'), 16) if s else 0
else:
assert len(set(alphabet)) == len(alphabet)
assert not s.startswith(alphabet[0])
return sum(alphabet.index(char) * len(alphabet)**i for i, char in enumerate(reversed(s)))
def reversed(x):
try:
return __builtin__.reversed(x)
except TypeError:
return reversed(list(x))
def string_to_natural(s, alphabet=None):
if alphabet is None:
assert not s.startswith('\x00')
return int(s.encode('hex'), 16) if s else 0
else:
assert len(set(alphabet)) == len(alphabet)
assert not s.startswith(alphabet[0])
return sum(alphabet.index(char) * len(alphabet)**i for i, char in enumerate(reversed(s)))
def reversed(x):
try:
return __builtin__.reversed(x)
except TypeError:
return reversed(list(x))
def string_to_natural(s, alphabet=None):
if alphabet is None:
assert not s.startswith('\x00')
return int(s.encode('hex'), 16) if s else 0
else:
assert len(set(alphabet)) == len(alphabet)
assert not s.startswith(alphabet[0])
return sum(alphabet.index(char) * len(alphabet)**i for i, char in enumerate(reversed(s)))
def reversed(x):
try:
return __builtin__.reversed(x)
except TypeError:
return reversed(list(x))
def string_to_natural(s, alphabet=None):
if alphabet is None:
assert not s.startswith('\x00')
return int(s.encode('hex'), 16) if s else 0
else:
assert len(set(alphabet)) == len(alphabet)
assert not s.startswith(alphabet[0])
return sum(alphabet.index(char) * len(alphabet)**i for i, char in enumerate(reversed(s)))
def reversed(data):
if not isinstance(data, list):
data = list(data)
return data[::-1]
def reversed(data):
if not isinstance(data, list):
data = list(data)
reversed_data = []
for index in xrange(len(data)-1, -1, -1):
reversed_data.append(data[index])
return reversed_data
# --- sorted() from Python 2.4 ---
def remove_tenant(self, tenant_id):
assert isinstance(tenant_id, basestring)
try:
LOG.debug("remove tenants {0} from flavor {1}".format(tenant_id,
str(self)))
for tenant in reversed(self.flavor_tenants):
if tenant.tenant_id == tenant_id:
self.flavor_tenants.remove(tenant)
except Exception as exception:
LOG.log_exception(
"Failed to remove tenant {0} from flavor {1}".format(
tenant_id, str(self)), exception)
raise
