DistributionRequirement

Complexity

Total Complexity

3

Size/Duplication

Total Lines	39
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	install_command()	0	22	2
A	__init__()	0	10	1

from coalib.bears.requirements.PackageRequirement import PackageRequirement
import platform


class DistributionRequirement(PackageRequirement):
    """
    This class is a subclass of ``PackageRequirement``, and helps specifying
    distribution specific requirements, without using the manager name.
    """

    def __init__(self, package, version=""):
        """
        Constructs a new ``DistributionRequirement``, using the
        ``PackageRequirement`` constructor.

        :param package: A string with the name of the package to be installed.
        :param version: A version string. Leave empty to specify latest version.
        """
        PackageRequirement.__init__(self, manager, package, version)

Undefined variable 'manager'

        self.manager = ""

    def install_command(self):
        """
        Creates the installation command for the instance of the class.

        :param return: A string with the installation command.
        """
        manager_dict = {'Fedora': 'dnf',
                        'Ubuntu': 'apt-get',
                        'Debian': 'apt-get',
                        'SuSE': 'zypper',
                        'redhat': 'yum',
                        'arch': 'pacman'}

        if platform.linux_distribution()[0] in manager_dict:
            self.manager = manager_dict[platform.linux_distribution()]
        else:
            print('The package could not be automatically installed on your'
                  'operating system. Please try installing '
                  + self.package + 'manually.')

        result = "{} install {}".format(self.manager, self.package)
        return result