kytos.core.id.LinkID.__new__() - Code Metrics - Inspection of "Merge pull request #243 from Ktmi/master" - kytos-ng/kytos - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 588637...c917b7 )

by Vinicius

created 2022-07-18 15:46 UTC

kytos.core.id.LinkID.new() A

↳ Parent: kytos.core.id

Complexity

Conditions

Size

Total Lines	4
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	4
nop	3
dl	0
loc	4
ccs	4
cts	4
cp	1
crap	1
rs	10
c	0
b	0
f	0

"""Module with identifier types for Links and Interfaces"""

import hashlib


class InterfaceID(str):
    """Interface Identifier"""

    __slots__ = ("switch", "port")

    def __new__(cls, switch: str, port: int):
        return super().__new__(cls, f"{switch}:{port}")

    def __init__(self, switch: str, port: int):
        # Used for sorting, but can be accessed
        self.switch = switch
        self.port = port
        super().__init__()

    def __lt__(self, other):
        # Ensures that instances are sortable in a way that maintains backwards
        # compatibility when creating instances of LinkID
        dpid_a = self.switch
        port_a = self.port
        dpid_b = other.switch
        port_b = other.port
        if dpid_a < dpid_b:
            return True
        return dpid_a == dpid_b and port_a < port_b


class LinkID(str):
    """Link Identifier"""

    def __new__(cls, interface_1: InterfaceID, interface_2: InterfaceID):
        raw_str = ":".join(sorted((interface_1, interface_2)))
        digest = hashlib.sha256(raw_str.encode('utf-8')).hexdigest()
        return super().__new__(cls, digest)


1		"""Module with identifier types for Links and Interfaces"""
2
3	1	import hashlib
4
5
6	1	class InterfaceID(str):
7		"""Interface Identifier"""
8
9	1	__slots__ = ("switch", "port")
10
11	1	def __new__(cls, switch: str, port: int):
12	1	return super().__new__(cls, f"{switch}:{port}")
13
14	1	def __init__(self, switch: str, port: int):
15		# Used for sorting, but can be accessed
16	1	self.switch = switch
17	1	self.port = port
18	1	super().__init__()
19
20	1	def __lt__(self, other):
21		# Ensures that instances are sortable in a way that maintains backwards
22		# compatibility when creating instances of LinkID
23	1	dpid_a = self.switch
24	1	port_a = self.port
25	1	dpid_b = other.switch
26	1	port_b = other.port
27	1	if dpid_a < dpid_b:
28	1	return True
29	1	return dpid_a == dpid_b and port_a < port_b
30
31
32	1	class LinkID(str):
33		"""Link Identifier"""
34
35	1	def __new__(cls, interface_1: InterfaceID, interface_2: InterfaceID):
36	1	raw_str = ":".join(sorted((interface_1, interface_2)))
37	1	digest = hashlib.sha256(raw_str.encode('utf-8')).hexdigest()
38		return super().__new__(cls, digest)
39

kytos-ng / kytos

Push — master ( 588637...c917b7 )

kytos.core.id.LinkID.__new__() A

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kytos.core.id.LinkID.new() A