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6c7050b59c
https://review.openstack.org/#/c/432906/ flake8-import-order adds 3 new flake8 warnings: I100: Your import statements are in the wrong order. I101: The names in your from import are in the wrong order. I201: Missing newline between sections or imports. Signed-off-by: Ben Pfaff <blp@ovn.org>
71 lines
1.9 KiB
Python
71 lines
1.9 KiB
Python
# Copyright (c) 2009, 2010, 2011, 2016 Nicira, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import re
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import uuid
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import ovs.db.parser
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from ovs.db import error
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import six
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from six.moves import range
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uuidRE = re.compile("^xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx$"
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.replace('x', '[0-9a-fA-F]'))
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def zero():
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return uuid.UUID(int=0)
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def is_valid_string(s):
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return uuidRE.match(s) is not None
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def from_string(s):
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if not is_valid_string(s):
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raise error.Error("%s is not a valid UUID" % s)
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return uuid.UUID(s)
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def from_json(json, symtab=None):
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try:
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s = ovs.db.parser.unwrap_json(json, "uuid", six.string_types, "string")
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if not uuidRE.match(s):
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raise error.Error("\"%s\" is not a valid UUID" % s, json)
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return uuid.UUID(s)
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except error.Error as e:
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if not symtab:
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raise e
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try:
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name = ovs.db.parser.unwrap_json(json, "named-uuid",
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six.string_types, "string")
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except error.Error:
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raise e
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if name not in symtab:
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symtab[name] = uuid.uuid4()
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return symtab[name]
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def to_json(uuid_):
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return ["uuid", str(uuid_)]
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def to_c_initializer(uuid_, var):
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hex_string = uuid_.hex
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parts = ["0x%s" % (hex_string[x * 8:(x + 1) * 8])
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for x in range(4)]
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return "{ %s }," % ", ".join(parts)
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