44 lines
815 B
Python
44 lines
815 B
Python
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from functools import wraps
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installed_packages = []
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def install_package(pkg):
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if pkg not in installed_packages:
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installed_packages.append(pkg)
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print(f"Installed: {pkg}")
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else:
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print(f"Already installed: {pkg}")
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def needs_packages(packages):
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def inner_decorator(function):
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@wraps(function)
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def execution_wrapper(*args, **kwargs):
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[install_package(package) for package in packages]
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return function(*args, **kwargs)
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return execution_wrapper
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return inner_decorator
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@needs_packages(['vim', 'calc'])
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def add(z1, z2):
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return z1 + z2
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@needs_packages(['calc', 'sed'])
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def sub(z1, z2):
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return z1 - z2
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@needs_packages(['calc'])
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def bla(z1, z2):
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return z1 / z2
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print(add(1, 2))
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print(sub(1, 2))
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print(bla(1, 2))
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