build.setup.SimpleCommand.initialize_options() - Code Metrics - Inspection of "[Release] Bumped 2022.2.0" - kytos-ng/flow_stats - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Pull Request — master (#23)

by Vinicius

created 2022-08-08 21:50 UTC

build.setup.SimpleCommand.initialize_options() A

↳ Parent: build.setup

Complexity

Conditions

Size

Total Lines	2
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	1
dl	0
loc	2
rs	10
c	0
b	0
f	0
cc	1
nop	1

"""Setup script.

Run "python3 setup.py --help-commands" to list all available commands and their
descriptions.
"""
import os
import shutil
import sys
from abc import abstractmethod
from pathlib import Path
from subprocess import CalledProcessError, call, check_call

from setuptools import Command, setup
from setuptools.command.develop import develop
from setuptools.command.egg_info import egg_info
from setuptools.command.install import install

if 'bdist_wheel' in sys.argv:
    raise RuntimeError("This setup.py does not support wheels")

# Paths setup with virtualenv detection
BASE_ENV = Path(os.environ.get('VIRTUAL_ENV', '/'))

NAPP_NAME = 'flow_stats'
NAPP_USERNAME = 'amlight'

# Kytos var folder
VAR_PATH = BASE_ENV / 'var' / 'lib' / 'kytos'
# Path for enabled NApps
ENABLED_PATH = VAR_PATH / 'napps'
# Path to install NApps
INSTALLED_PATH = VAR_PATH / 'napps' / '.installed'
CURRENT_DIR = Path('.').resolve()

# NApps enabled by default
CORE_NAPPS = ['of_core']


class SimpleCommand(Command):
    """Make Command implementation simpler."""

    user_options = []

    @abstractmethod
    def run(self):
        """Run when command is invoked.

        Use *call* instead of *check_call* to ignore failures.
        """

    def initialize_options(self):
        """Set default values for options."""

    def finalize_options(self):
        """Post-process options."""


# pylint: disable=attribute-defined-outside-init, abstract-method
class TestCommand(Command):
    """Test tags decorators."""

    user_options = [
        ("k=", None, "Specify a pytest -k expression."),
    ]

    def get_args(self):
        """Return args to be used in test command."""
        if self.k:
            return f"-k '{self.k}'"
        return ""

    def initialize_options(self):
        """Set default size and type args."""
        self.k = ""

    def finalize_options(self):
        """Post-process."""
        pass


class Cleaner(SimpleCommand):
    """Custom clean command to tidy up the project root."""

    description = 'clean build, dist, pyc and egg from package and docs'

    def run(self):
        """Clean build, dist, pyc and egg from package and docs."""
        call('rm -vrf ./build ./dist ./*.egg-info', shell=True)
        call('find . -name __pycache__ -type d | xargs rm -rf', shell=True)
        call('make -C docs/ clean', shell=True)


class Test(TestCommand):
    """Run all tests."""

    description = "run tests and display results"

    def run(self):
        """Run tests."""
        cmd = f"python3 -m pytest tests/ {self.get_args()}"
        try:
            check_call(cmd, shell=True)
        except CalledProcessError as exc:
            print(exc)
            print('Unit tests failed. Fix the errors above and try again.')
            sys.exit(-1)


class TestCoverage(Test):
    """Display test coverage."""

    description = "run tests and display code coverage"

    def run(self):
        """Run tests quietly and display coverage report."""
        cmd = f"python3 -m pytest --cov=. tests/ {self.get_args()}"
        try:
            check_call(cmd, shell=True)
        except CalledProcessError as exc:
            print(exc)
            print('Coverage tests failed. Fix the errors above and try again.')
            sys.exit(-1)


class Linter(SimpleCommand):
    """Code linters."""

    description = 'lint Python source code'

    def run(self):
        """Run yala."""
        print('Yala is running. It may take several seconds...')
        try:
            check_call('yala *.py tests', shell=True)
            print('No linter error found.')
        except CalledProcessError:
            print('Linter check failed. Fix the error(s) above and try again.')
            sys.exit(-1)


class KytosInstall:
    """Common code for all install types."""

    @staticmethod
    def enable_core_napps():
        """Enable a NAPP by creating a symlink."""
        (ENABLED_PATH / NAPP_USERNAME).mkdir(parents=True, exist_ok=True)
        for napp in CORE_NAPPS:
            napp_path = Path('kytos', napp)
            src = ENABLED_PATH / napp_path
            dst = INSTALLED_PATH / napp_path
            symlink_if_different(src, dst)

    def __str__(self):
        return self.__class__.__name__


class InstallMode(install):
    """Create files in var/lib/kytos."""

    description = 'To install NApps, use kytos-utils. Devs, see "develop".'

    def run(self):
        """Direct users to use kytos-utils to install NApps."""
        print(self.description)


class EggInfo(egg_info):
    """Prepare files to be packed."""

    def run(self):
        """Build css."""
        self._install_deps_wheels()
        super().run()

    @staticmethod
    def _install_deps_wheels():
        """Python wheels are much faster (no compiling)."""
        print("Installing dependencies...")
        check_call(
            [
                sys.executable,
                "-m",
                "pip",
                "install",
                "-r",
                "requirements/run.txt",
            ]
        )


class DevelopMode(develop):
    """Recommended setup for kytos-napps developers.

    Instead of copying the files to the expected directories, a symlink is
    created on the system aiming the current source code.
    """

    description = 'Install NApps in development mode'

    def run(self):
        """Install the package in a developer mode."""
        super().run()
        if self.uninstall:
            shutil.rmtree(str(ENABLED_PATH), ignore_errors=True)
        else:
            self._create_folder_symlinks()
            # self._create_file_symlinks()
            KytosInstall.enable_core_napps()

    @staticmethod
    def _create_folder_symlinks():
        """Symlink to all Kytos NApps folders.

        ./napps/kytos/napp_name will generate a link in
        var/lib/kytos/napps/.installed/kytos/napp_name.
        """
        links = INSTALLED_PATH / NAPP_USERNAME
        links.mkdir(parents=True, exist_ok=True)
        code = CURRENT_DIR
        src = links / NAPP_NAME
        symlink_if_different(src, code)

        (ENABLED_PATH / NAPP_USERNAME).mkdir(parents=True, exist_ok=True)
        dst = ENABLED_PATH / Path(NAPP_USERNAME, NAPP_NAME)
        symlink_if_different(dst, src)

    @staticmethod
    def _create_file_symlinks():
        """Symlink to required files."""
        src = ENABLED_PATH / '__init__.py'
        dst = CURRENT_DIR / '__init__.py'
        symlink_if_different(src, dst)


def symlink_if_different(path, target):
    """Force symlink creation if it points anywhere else."""
    # print(f"symlinking {path} to target: {target}...", end=" ")
    if not path.exists():
        # print(f"path doesn't exist. linking...")
        path.symlink_to(target)
    elif not path.samefile(target):
        # print(f"path exists, but is different. removing and linking...")
        # Exists but points to a different file, so let's replace it
        path.unlink()
        path.symlink_to(target)


def read_version_from_json():
    """Read the NApp version from NApp kytos.json file."""
    file = Path('kytos.json')
    metadata = json.loads(file.read_text(encoding="utf8"))
    return metadata['version']


def read_requirements(path="requirements/run.txt"):
    """Read requirements file and return a list."""
    with open(path, "r", encoding="utf8") as file:
        return [
            line.strip()
            for line in file.readlines()
            if not line.startswith("#")
        ]


setup(name=f'{NAPP_USERNAME}_{NAPP_NAME}',
      version=read_version_from_json(),
      description='Store flow information and show statistics about them.',
      url='http://github.com/kytos-ng/flow_stats',
      author='FIU/AmLight team',
      author_email='[email protected]',
      license='MIT',
      install_requires=read_requirements() + ["setuptools >= 59.6.0"],
      packages=[],
      extras_require={
          'dev': [
              'pytest==7.0.0',
              'pytest-cov==3.0.0',
              'pip-tools',
              'yala',
              'tox',
          ],
      },
      cmdclass={
          'clean': Cleaner,
          'coverage': TestCoverage,
          'develop': DevelopMode,
          'install': InstallMode,
          'lint': Linter,
          'egg_info': EggInfo,
          'test': Test,
      },
      zip_safe=False,
      classifiers=[
          'License :: OSI Approved :: MIT License',
          'Operating System :: POSIX :: Linux',
          'Programming Language :: Python :: 3.9',
          'Topic :: System :: Networking',
      ])


1			"""Setup script.
2
3			Run "python3 setup.py --help-commands" to list all available commands and their
4			descriptions.
5			"""
6			import os
7			import shutil
8			import sys
9			from abc import abstractmethod
10			from pathlib import Path
11			from subprocess import CalledProcessError, call, check_call
12
13			from setuptools import Command, setup
14			from setuptools.command.develop import develop
15			from setuptools.command.egg_info import egg_info
16			from setuptools.command.install import install
17
18			if 'bdist_wheel' in sys.argv:
19			raise RuntimeError("This setup.py does not support wheels")
20
21			# Paths setup with virtualenv detection
22			BASE_ENV = Path(os.environ.get('VIRTUAL_ENV', '/'))
23
24			NAPP_NAME = 'flow_stats'
25			NAPP_USERNAME = 'amlight'
26
27			# Kytos var folder
28			VAR_PATH = BASE_ENV / 'var' / 'lib' / 'kytos'
29			# Path for enabled NApps
30			ENABLED_PATH = VAR_PATH / 'napps'
31			# Path to install NApps
32			INSTALLED_PATH = VAR_PATH / 'napps' / '.installed'
33			CURRENT_DIR = Path('.').resolve()
34
35			# NApps enabled by default
36			CORE_NAPPS = ['of_core']
37
38
39			class SimpleCommand(Command):
40			"""Make Command implementation simpler."""
41
42			user_options = []
43
44			@abstractmethod
45			def run(self):
46			"""Run when command is invoked.
47
48			Use call instead of check_call to ignore failures.
49			"""
50
51			def initialize_options(self):
52			"""Set default values for options."""
53
54			def finalize_options(self):
55			"""Post-process options."""
56
57
58			# pylint: disable=attribute-defined-outside-init, abstract-method
59			class TestCommand(Command):
60			"""Test tags decorators."""
61
62			user_options = [
63			("k=", None, "Specify a pytest -k expression."),
64			]
65
66			def get_args(self):
67			"""Return args to be used in test command."""
68			if self.k:
69			return f"-k '{self.k}'"
70			return ""
71
72			def initialize_options(self):
73			"""Set default size and type args."""
74			self.k = ""
75
76			def finalize_options(self):
77			"""Post-process."""
78			pass
79
80
81			class Cleaner(SimpleCommand):
82			"""Custom clean command to tidy up the project root."""
83
84			description = 'clean build, dist, pyc and egg from package and docs'
85
86			def run(self):
87			"""Clean build, dist, pyc and egg from package and docs."""
88			call('rm -vrf ./build ./dist ./*.egg-info', shell=True)
89			call('find . -name __pycache__ -type d \| xargs rm -rf', shell=True)
90			call('make -C docs/ clean', shell=True)
91
92
93			class Test(TestCommand):
94			"""Run all tests."""
95
96			description = "run tests and display results"
97
98			def run(self):
99			"""Run tests."""
100			cmd = f"python3 -m pytest tests/ {self.get_args()}"
101			try:
102			check_call(cmd, shell=True)
103			except CalledProcessError as exc:
104			print(exc)
105			print('Unit tests failed. Fix the errors above and try again.')
106			sys.exit(-1)
107
108
109			class TestCoverage(Test):
110			"""Display test coverage."""
111
112			description = "run tests and display code coverage"
113
114			def run(self):
115			"""Run tests quietly and display coverage report."""
116			cmd = f"python3 -m pytest --cov=. tests/ {self.get_args()}"
117			try:
118			check_call(cmd, shell=True)
119			except CalledProcessError as exc:
120			print(exc)
121			print('Coverage tests failed. Fix the errors above and try again.')
122			sys.exit(-1)
123
124
125			class Linter(SimpleCommand):
126			"""Code linters."""
127
128			description = 'lint Python source code'
129
130			def run(self):
131			"""Run yala."""
132			print('Yala is running. It may take several seconds...')
133			try:
134			check_call('yala *.py tests', shell=True)
135			print('No linter error found.')
136			except CalledProcessError:
137			print('Linter check failed. Fix the error(s) above and try again.')
138			sys.exit(-1)
139
140
141			class KytosInstall:
142			"""Common code for all install types."""
143
144			@staticmethod
145			def enable_core_napps():
146			"""Enable a NAPP by creating a symlink."""
147			(ENABLED_PATH / NAPP_USERNAME).mkdir(parents=True, exist_ok=True)
148			for napp in CORE_NAPPS:
149			napp_path = Path('kytos', napp)
150			src = ENABLED_PATH / napp_path
151			dst = INSTALLED_PATH / napp_path
152			symlink_if_different(src, dst)
153
154			def __str__(self):
155			return self.__class__.__name__
156
157
158			class InstallMode(install):
159			"""Create files in var/lib/kytos."""
160
161			description = 'To install NApps, use kytos-utils. Devs, see "develop".'
162
163			def run(self):
164			"""Direct users to use kytos-utils to install NApps."""
165			print(self.description)
166
167
168			class EggInfo(egg_info):
169			"""Prepare files to be packed."""
170
171			def run(self):
172			"""Build css."""
173			self._install_deps_wheels()
174			super().run()
175
176			@staticmethod
177			def _install_deps_wheels():
178			"""Python wheels are much faster (no compiling)."""
179			print("Installing dependencies...")
180			check_call(
181			[
182			sys.executable,
183			"-m",
184			"pip",
185			"install",
186			"-r",
187			"requirements/run.txt",
188			]
189			)
190
191
192			class DevelopMode(develop):
193			"""Recommended setup for kytos-napps developers.
194
195			Instead of copying the files to the expected directories, a symlink is
196			created on the system aiming the current source code.
197			"""
198
199			description = 'Install NApps in development mode'
200
201			def run(self):
202			"""Install the package in a developer mode."""
203			super().run()
204			if self.uninstall:
205			shutil.rmtree(str(ENABLED_PATH), ignore_errors=True)
206			else:
207			self._create_folder_symlinks()
208			# self._create_file_symlinks()
209			KytosInstall.enable_core_napps()
210
211			@staticmethod
212			def _create_folder_symlinks():
213			"""Symlink to all Kytos NApps folders.
214
215			./napps/kytos/napp_name will generate a link in
216			var/lib/kytos/napps/.installed/kytos/napp_name.
217			"""
218			links = INSTALLED_PATH / NAPP_USERNAME
219			links.mkdir(parents=True, exist_ok=True)
220			code = CURRENT_DIR
221			src = links / NAPP_NAME
222			symlink_if_different(src, code)
223
224			(ENABLED_PATH / NAPP_USERNAME).mkdir(parents=True, exist_ok=True)
225			dst = ENABLED_PATH / Path(NAPP_USERNAME, NAPP_NAME)
226			symlink_if_different(dst, src)
227
228			@staticmethod
229			def _create_file_symlinks():
230			"""Symlink to required files."""
231			src = ENABLED_PATH / '__init__.py'
232			dst = CURRENT_DIR / '__init__.py'
233			symlink_if_different(src, dst)
234
235
236			def symlink_if_different(path, target):
237			"""Force symlink creation if it points anywhere else."""
238			# print(f"symlinking {path} to target: {target}...", end=" ")
239			if not path.exists():
240			# print(f"path doesn't exist. linking...")
241			path.symlink_to(target)
242			elif not path.samefile(target):
243			# print(f"path exists, but is different. removing and linking...")
244			# Exists but points to a different file, so let's replace it
245			path.unlink()
246			path.symlink_to(target)
247
248
249			def read_version_from_json():
250			"""Read the NApp version from NApp kytos.json file."""
251			file = Path('kytos.json')
252			metadata = json.loads(file.read_text(encoding="utf8"))
253			return metadata['version']
254
255
256			def read_requirements(path="requirements/run.txt"):
257			"""Read requirements file and return a list."""
258			with open(path, "r", encoding="utf8") as file:
259			return [
260			line.strip()
261			for line in file.readlines()
262			if not line.startswith("#")
263			]
264
265
266			setup(name=f'{NAPP_USERNAME}_{NAPP_NAME}',
267			version=read_version_from_json(),
268			description='Store flow information and show statistics about them.',
269			url='http://github.com/kytos-ng/flow_stats',
270			author='FIU/AmLight team',
271			author_email='[email protected]',
272			license='MIT',
273			install_requires=read_requirements() + ["setuptools >= 59.6.0"],
274			packages=[],
275			extras_require={
276			'dev': [
277			'pytest==7.0.0',
278			'pytest-cov==3.0.0',
279			'pip-tools',
280			'yala',
281			'tox',
282			],
283			},
284			cmdclass={
285			'clean': Cleaner,
286			'coverage': TestCoverage,
287			'develop': DevelopMode,
288			'install': InstallMode,
289			'lint': Linter,
290			'egg_info': EggInfo,
291			'test': Test,
292			},
293			zip_safe=False,
294			classifiers=[
295			'License :: OSI Approved :: MIT License',
296			'Operating System :: POSIX :: Linux',
297			'Programming Language :: Python :: 3.9',
298			'Topic :: System :: Networking',
299			])
300

kytos-ng / flow_stats

Pull Request — master (#23)

build.setup.SimpleCommand.initialize_options() A

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