A helper mocking function to mask ImportErrors
Project description
A helper mocking function to mask ImportError s on a scoped code. Failed imports will be ignored, unless specified by the do_not_mock argument.
Installation
Using pip: pip install mock-import
Usage
- Import:
>>> from mock_import import mock_import
- Mocking import for a code block:
>>> with mock_import(): ... import no_such_module # Won't raise ImportError ... no_such_module.no_such_function() # Won't raise AttributeError
- Mocking import as a decorator:
>>> @mock_import() ... def method(): ... import no_such_module # Won't raise ImportError ... no_such_module.no_such_function() # Won't raise AttributeError
>>> import no_such_module # raises ImportError
- Making an exception:
>>> with mock_import(do_not_mock='no_such_module'): ... import no_such_other_module # Won't raise ImportError ... import no_such_module # Will raise ImportError
>>> with mock_import(do_not_mock=['nsm1', 'nsm2']): ... import nsm # Won't raise ImportError ... import nsm1 # Will raise ImportError ... import nsm2 # Will raise ImportError
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