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from coala_decorators.decorators import generate_eq, generate_repr |
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@generate_eq("manager", "package", "version") |
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@generate_repr() |
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class PackageRequirement: |
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""" |
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This class helps keeping track of bear requirements. It should simply |
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be appended to the REQUIREMENTS tuple inside the Bear class. |
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Two ``PackageRequirements`` should always be equal if they have the same |
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manager, package and version: |
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>>> pr1 = PackageRequirement('pip', 'coala_decorators', '0.1.0') |
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>>> pr2 = PackageRequirement('pip', 'coala_decorators', '0.1.0') |
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>>> pr1 == pr2 |
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True |
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""" |
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def __init__(self, manager: str, package: str, version=""): |
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""" |
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Constructs a new ``PackageRequirement``. |
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>>> pr = PackageRequirement('pip', 'colorama', '0.1.0') |
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>>> pr.manager |
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'pip' |
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>>> pr.package |
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'colorama' |
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>>> pr.version |
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'0.1.0' |
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:param manager: A string with the name of the manager (pip, npm, etc). |
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:param package: A string with the name of the package to be installed. |
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:param version: A version string. Leave empty to specify latest version. |
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""" |
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self.manager = manager |
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self.package = package |
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self.version = version |
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def check(self): |
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""" |
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Check if the requirement is satisfied. |
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>>> PackageRequirement('pip', 'coala_decorators', '0.2.1').check() |
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Traceback (most recent call last): |
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... |
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NotImplementedError |
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:return: Returns True if satisfied, False if not. |
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""" |
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raise NotImplementedError |
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