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* Problem: Source files contain no license info Solution: Add comments with SPDX license info to source files * Python 3 files don't need # -*- coding: utf-8 -*-
27 lines
1.0 KiB
Python
27 lines
1.0 KiB
Python
# Copyright BigchainDB GmbH and BigchainDB contributors
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# SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)
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# Code is Apache-2.0 and docs are CC-BY-4.0
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class ModuleDispatchRegistrationError(Exception):
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"""Raised when there is a problem registering dispatched functions for a
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module
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"""
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def module_dispatch_registrar(module):
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def dispatch_wrapper(obj_type):
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def wrapper(func):
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func_name = func.__name__
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try:
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dispatch_registrar = getattr(module, func_name)
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return dispatch_registrar.register(obj_type)(func)
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except AttributeError as ex:
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raise ModuleDispatchRegistrationError(
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('`{module}` does not contain a single-dispatchable '
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'function named `{func}`. The module being registered '
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'was not implemented correctly!').format(
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func=func_name, module=module.__name__)) from ex
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return wrapper
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return dispatch_wrapper
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