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How to use check_readable method in avocado

Best Python code snippet using avocado_python

preflight.py

Source:preflight.py

1'''2preflight.py: sanity checks to perform before starting server3Copyright4---------5Copyright (c) 2021-2022 by the California Institute of Technology.  This code6is open-source software released under a 3-clause BSD license.  Please see the7file "LICENSE" for more information.8'''9from commonpy.file_utils import writable, readable10from commonpy.string_utils import print_boxed11from os.path import dirname12from sidetrack import log13# In order for this to work, it needs to avoid importing anything that might14# in turn cause data_models to be imported.  So, keep DIBS imports to a15# minimum and watch the dependencies in the code.16from .settings import config, resolved_path17def preflight_check(database = None):18    '''Verify certain critical things are set up & complain if they're not.'''19    successes = [20        verified('LSP_TYPE'),21        verified('IIIF_BASE_URL'),22        verified('DATABASE_FILE',  check_parent_writable = True),23        verified('MANIFEST_DIR',   check_readable = True),24        verified('PROCESS_DIR',    check_readable = True, check_writable = True),25        verified('THUMBNAILS_DIR', check_readable = True, check_writable = True),26    ]27    if all(successes):28        log('preflight tests succeeded')29        return True30    else:31        log('preflight tests failed')32        return False33def verified(variable, check_readable = False, check_writable = False,34             check_parent_writable = False):35    '''Verify the given configuration 'variable' in various ways.'''36    if not config(variable, default = None):37        print_boxed(f'Variable {variable} is not set.\n'38                    ' DIBS cannot function properly.',39                    title = 'DIBS Fatal Error')40        return False41    dir = resolved_path(config(variable))  # noqa A00142    success = True43    if check_readable and not readable(dir):44        print_boxed(f'Cannot read the directory indicated by the configuration\n'45                    f'variable {variable}. The directory located at\n\n'46                    f'{dir}\n\nis not readable. DIBS cannot function properly.',47                    title = 'DIBS configuration error')48        success = False49    if check_writable and not writable(dir):50        print_boxed(f'Cannot write the directory indicated by the configuration\n'51                    f'variable {variable}. The directory located at\n\n'52                    f'{dir}\n\nis not writable. DIBS cannot function properly.',53                    title = 'DIBS configuration error')54        success = False55    if check_parent_writable and not writable(dirname(dir)):56        parent = dirname(dir)57        print_boxed(f'Cannot write in the parent directory of the value indicated by\n'58                    f'the configuraton variable {variable}. The directory located at\n\n'59                    f'{parent}\n\nis not writable. DIBS cannot function properly.',60                    title = 'DIBS configuration error')61        success = False...

test_mode.py

Source:test_mode.py

...3from six import text_type4from fs.mode import check_readable, check_writable, Mode5class TestMode(unittest.TestCase):6    def test_checks(self):7        self.assertTrue(check_readable("r"))8        self.assertTrue(check_readable("r+"))9        self.assertTrue(check_readable("rt"))10        self.assertTrue(check_readable("rb"))11        self.assertFalse(check_readable("w"))12        self.assertTrue(check_readable("w+"))13        self.assertFalse(check_readable("wt"))14        self.assertFalse(check_readable("wb"))15        self.assertFalse(check_readable("a"))16        self.assertTrue(check_writable("w"))17        self.assertTrue(check_writable("w+"))18        self.assertTrue(check_writable("r+"))19        self.assertFalse(check_writable("r"))20        self.assertTrue(check_writable("a"))21    def test_mode_object(self):22        with self.assertRaises(ValueError):23            Mode("")24        with self.assertRaises(ValueError):25            Mode("J")26        with self.assertRaises(ValueError):27            Mode("b")28        with self.assertRaises(ValueError):29            Mode("rtb")...

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