build.shared.switches.Switches.get_switch() - Code Metrics - Inspection of "Merge pull request #20 from rmotitsuki/create_unit..." - kytos-ng/sdntrace - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( e932ef...36cf0a )

by Vinicius

created 2022-07-20 13:30 UTC

build.shared.switches.Switches.get_switch() A

↳ Parent: build.shared.switches

Complexity

Conditions

Size

Total Lines	13
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	5
nop	2
dl	0
loc	13
ccs	5
cts	5
cp	1
crap	3
rs	10
c	0
b	0
f	0

"""Module to create a singleton class to track all switches. After being
loaded by the main napp, this class can be reached just using
Switches().desired_method()

For example:

from switches import Switches

list_of_switches = Switches().get_switches()
switch_01 = Switches().get_switch("00:00:00:00:00:00:00:01")
"""

from napps.amlight.sdntrace.shared.singleton import Singleton


class Switches(metaclass=Singleton):
    """This class is used to easy app development, decoupling
    modules from Kytos core. With a Singleton class for Switches,
    napps will not need to keep passing Kytos main class to get
    a list of switches.
    """

    def __init__(self, switches):
        self._switches = switches

    def __len__(self):
        """Return the number of switches instantiated """
        return len(self._switches)

    def get_switch(self, dpid):
        """Query the self.switches
        Args:
            dpid: datapath id 'str'

        Returns:
            a kytos.core.switch.Switch() object
            False if not found
        """
        for switch in self._switches.values():
            if switch.dpid == dpid:
                return self._switches[switch.dpid]
        return False

    def get_switches(self):
        """Return all switches """
        return self._switches.values()


1		"""Module to create a singleton class to track all switches. After being
2		loaded by the main napp, this class can be reached just using
3		Switches().desired_method()
4
5		For example:
6
7		from switches import Switches
8
9		list_of_switches = Switches().get_switches()
10		switch_01 = Switches().get_switch("00:00:00:00:00:00:00:01")
11		"""
12
13	1	from napps.amlight.sdntrace.shared.singleton import Singleton
14
15
16	1	class Switches(metaclass=Singleton):
17		"""This class is used to easy app development, decoupling
18		modules from Kytos core. With a Singleton class for Switches,
19		napps will not need to keep passing Kytos main class to get
20		a list of switches.
21		"""
22
23	1	def __init__(self, switches):
24	1	self._switches = switches
25
26	1	def __len__(self):
27		"""Return the number of switches instantiated """
28		return len(self._switches)
29
30	1	def get_switch(self, dpid):
31		"""Query the self.switches
32		Args:
33		dpid: datapath id 'str'
34
35		Returns:
36		a kytos.core.switch.Switch() object
37		False if not found
38		"""
39	1	for switch in self._switches.values():
40	1	if switch.dpid == dpid:
41	1	return self._switches[switch.dpid]
42	1	return False
43
44	1	def get_switches(self):
45		"""Return all switches """
46		return self._switches.values()
47

kytos-ng / sdntrace

Push — master ( e932ef...36cf0a )

build.shared.switches.Switches.get_switch() A

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