| Total Complexity | 3 |
| Total Lines | 45 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
| 1 | from coalib.bears.requirements.PackageRequirement import PackageRequirement |
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| 5 | class DistributionRequirement(PackageRequirement): |
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| 6 | """ |
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| 7 | This class is a subclass of ``PackageRequirement``, and helps specifying |
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| 8 | distribution specific requirements, without using the manager name. |
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| 9 | """ |
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| 10 | |||
| 11 | def __init__(self, **manager_commands): |
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| 12 | """ |
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| 13 | Constructs a new ``DistributionRequirement``, using the |
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| 14 | ``PackageRequirement`` constructor. |
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| 15 | |||
| 16 | >>> dr = DistributionRequirement(apt_get='libclang', dnf='libclangg') |
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| 17 | >>> dr.package['apt_get'] |
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| 18 | 'libclang' |
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| 19 | >>> dr.package['dnf'] |
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| 20 | 'libclangg' |
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| 21 | |||
| 22 | :param manager_commands: comma separated (manager='package') pairs. |
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| 23 | """ |
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| 24 | self.package = manager_commands |
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| 25 | |||
| 26 | def install_command(self): # pragma: no cover |
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| 27 | """ |
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| 28 | Creates the installation command for the instance of the class. |
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| 29 | |||
| 30 | :param return: A string with the installation command. An empty string |
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| 31 | if the command could not be supplied. |
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| 32 | """ |
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| 33 | manager_dict = {'Fedora': 'dnf', |
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| 34 | 'Ubuntu': 'apt_get', |
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| 35 | 'Debian': 'apt_get', |
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| 36 | 'SuSE': 'zypper', |
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| 37 | 'redhat': 'yum', |
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| 38 | 'arch': 'pacman'} |
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| 39 | |||
| 40 | manager = manager_dict[platform.linux_distribution()[0]] |
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| 41 | if manager in self.package.keys(): |
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| 42 | result = "{} install {}".format(manager.replace("_", "-"), |
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| 43 | self.package[manager]) |
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| 44 | return result |
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| 45 | else: |
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| 46 | print('The package could not be automatically installed on your ' |
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| 47 | 'operating system. Please try installing ' |
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| 48 | + self.package + 'manually.') |
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| 49 | return "" |
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| 50 |
It is generally advisable to initialize the super-class by calling its
__init__method: