78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import netaddr
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import uuid
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# NOTE(twilson) Clearly these are silly, but they are good enough for now
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# I'm happy for someone to replace them with better parsing
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def normalize_ip(ip):
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return str(netaddr.IPAddress(ip))
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def normalize_ip_port(ipport):
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try:
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return normalize_ip(ipport)
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except netaddr.AddrFormatError:
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# maybe we have a port
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if ipport[0] == '[':
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# Should be an IPv6 w/ port
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try:
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ip, port = ipport[1:].split(']:')
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except ValueError:
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raise netaddr.AddrFormatError("Invalid Port")
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ip = "[%s]" % normalize_ip(ip)
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else:
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try:
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ip, port = ipport.split(':')
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except ValueError:
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raise netaddr.AddrFormatError("Invalid Port")
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ip = normalize_ip(ip)
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if int(port) <= 0 or int(port) > 65535:
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raise netaddr.AddrFormatError("Invalid port")
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return "%s:%s" % (ip, port)
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def generate_uuid(dashed=True):
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"""Create a random uuid string.
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:param dashed: Generate uuid with dashes or not
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:type dashed: bool
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:returns: string
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"""
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if dashed:
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return str(uuid.uuid4())
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return uuid.uuid4().hex
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def _format_uuid_string(string):
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return (string.replace('urn:', '')
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.replace('uuid:', '')
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.strip('{}')
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.replace('-', '')
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.lower())
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def is_uuid_like(val):
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"""Return validation of a value as a UUID.
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:param val: Value to verify
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:type val: string
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:returns: bool
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"""
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try:
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return str(uuid.UUID(val)).replace('-', '') == _format_uuid_string(val)
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except (TypeError, ValueError, AttributeError):
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return False
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