build.user_speed.UserSpeed.__init__() - Code Metrics - Inspection of "Merge pull request #42 from josemauro/update-stats..." - kytos/of_stats - Measure and Improve Code Quality continuously with Scrutinizer

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by Humberto

created 2021-04-22 17:49 UTC

build.user_speed.UserSpeed.init() A

↳ Parent: build.user_speed

Complexity

Conditions

Size

Total Lines	8
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	5
nop	1
dl	0
loc	8
ccs	5
cts	5
cp	1
crap	3
rs	10
c	0
b	0
f	0

"""Manage link speeds when OF spec is not enough."""
import json
from os.path import dirname
from pathlib import Path


class UserSpeed:
    """User-defined interface speeds.

    In case there is no matching speed in OF spec or the speed is not correctly
    detected.
    """

    _FILE = Path(dirname(__file__)) / 'user_speed.json'

    def __init__(self):
        """Load user-created file."""
        if self._FILE.exists():
            with self._FILE.open() as user_file:
                # print('UserSpeed', user_file.read())
                self._speed = json.load(user_file)
        else:
            self._speed = {}

    def get_speed(self, dpid, port=None):
        """Return speed in bits/sec or None if not defined by the user.

        Args:
            dpid (str): Switch dpid.
            port (int or str): Port number.
        """
        if not isinstance(port, str):
            port = str(port)
        speed = None
        switch = self._speed.get(dpid)
        if switch is None:
            speed = self._speed.get('default')
        else:
            if port is None or port not in switch:
                speed = switch.get('default')
            else:
                speed = switch.get(port)
        return speed


1		"""Manage link speeds when OF spec is not enough."""
2	1	import json
3	1	from os.path import dirname
4	1	from pathlib import Path
5
6
7	1	class UserSpeed:
8		"""User-defined interface speeds.
9
10		In case there is no matching speed in OF spec or the speed is not correctly
11		detected.
12		"""
13
14	1	_FILE = Path(dirname(__file__)) / 'user_speed.json'
15
16	1	def __init__(self):
17		"""Load user-created file."""
18	1	if self._FILE.exists():
19	1	with self._FILE.open() as user_file:
20		# print('UserSpeed', user_file.read())
21	1	self._speed = json.load(user_file)
22		else:
23	1	self._speed = {}
24
25	1	def get_speed(self, dpid, port=None):
26		"""Return speed in bits/sec or None if not defined by the user.
27
28		Args:
29		dpid (str): Switch dpid.
30		port (int or str): Port number.
31		"""
32	1	if not isinstance(port, str):
33	1	port = str(port)
34	1	speed = None
35	1	switch = self._speed.get(dpid)
36	1	if switch is None:
37	1	speed = self._speed.get('default')
38		else:
39	1	if port is None or port not in switch:
40	1	speed = switch.get('default')
41		else:
42	1	speed = switch.get(port)
43		return speed
44

kytos / of_stats

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build.user_speed.UserSpeed.__init__() A

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