def is_valid_bucket_name(bucket_name):
"""
Check if bucket_name is a valid S3 bucket name (as defined by the AWS
docs):
1. 3 <= len(bucket_name) <= 255
2. all chars one of: a-z 0-9 . _ -
3. first char one of: a-z 0-9
4. name must not be a valid ip
"""
regex = re.compile('[a-z0-9][a-z0-9\._-]{2,254}$')
if not regex.match(bucket_name):
return False
if iptools.validate_ip(bucket_name):
return False
return True
def is_valid_bucket_name(bucket_name):
"""
Check if bucket_name is a valid S3 bucket name (as defined by the AWS
docs):
1. 3 <= len(bucket_name) <= 255
2. all chars one of: a-z 0-9 . _ -
3. first char one of: a-z 0-9
4. name must not be a valid ip
"""
regex = re.compile('[a-z0-9][a-z0-9\._-]{2,254}$')
if not regex.match(bucket_name):
return False
if validate_ip(bucket_name):
return False
return True
def is_valid_bucket_name(bucket_name):
"""
Check if bucket_name is a valid S3 bucket name (as defined by the AWS docs)
"""
length = len(bucket_name)
valid_length = length >= 3 and length <= 255
if not valid_length:
return False
numbers_or_letters = string.ascii_lowercase + string.digits
valid_chars = numbers_or_letters + '._-'
if not bucket_name[0] in numbers_or_letters:
return False
for c in bucket_name:
if c not in valid_chars:
return False
if validate_ip(bucket_name):
return False
return True
