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34 lines
986 B
34 lines
986 B
2 years ago
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""" This provides some useful code used by other modules. This is not to be
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used by the end user which is why it is hidden. """
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import string, sys
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class LinkError(Exception):
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pass
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def refine_import_err(mod_name, extension_name, exc):
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""" Checks to see if the ImportError was because the library
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itself was not there or because there was a link error. If there
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was a link error it raises a LinkError if not it does nothing.
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Keyword arguments
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-----------------
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- mod_name : The name of the Python module that was imported.
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- extension_name : The name of the extension module that is to be
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imported by the module having mod_name.
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- exc : The exception raised when the module called mod_name was
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imported.
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To see example usage look at __init__.py.
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"""
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try:
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del sys.modules['vtk.%s'%mod_name]
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except KeyError:
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pass
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if string.find(str(exc), extension_name) == -1:
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raise LinkError, str(exc)
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