How to use has_userland_tool method in avocado

Best Python code snippet using avocado_python

iso9660.py

Source:iso9660.py

...7__all__ = ['iso9660', 'Iso9660IsoInfo', 'Iso9660IsoRead', 'Iso9660Mount']8import os, logging, tempfile, shutil9import common10from autotest_lib.client.common_lib import utils11def has_userland_tool(executable):12    '''13    Returns whether the system has a given executable14    '''15    if os.path.isabs(executable):16        return os.path.exists(executable)17    else:18        for d in os.environ['PATH'].split(':'):19            f = os.path.join(d, executable)20            if os.path.exists(f):21                return True22    return False23def has_isoinfo():24    '''25    Returns whether the system has the isoinfo executable26    Maybe more checks could be added to see if isoinfo supports the needed27    features28    '''29    return has_userland_tool('isoinfo')30def has_isoread():31    '''32    Returns whether the system has the isoinfo executable33    Maybe more checks could be added to see if iso-read supports the needed34    features35    '''36    return has_userland_tool('iso-read')37def can_mount():38    '''39    Test wether the current user can perform a loop mount40    AFAIK, this means being root, having mount and iso9660 kernel support41    '''42    if os.getuid() != 0:43        logging.debug('Can not use mount: current user is not "root"')44        return False45    if not has_userland_tool('mount'):46        logging.debug('Can not use mount: missing "mount" tool')47        return False48    if not 'iso9660' in open('/proc/filesystems').read():49        logging.debug('Can not use mount: lack of iso9660 kernel support')50        return False51    return True52class BaseIso9660(object):53    '''54    Represents a ISO9660 filesystem55    This class holds common functionality and has many abstract methods56    '''57    def __init__(self, path):58        self.path = path59        self._verify_path(path)...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.