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Viewing changes to bzrlib/api.py

  • Committer: Robert Collins
  • Date: 2008-10-07 04:51:25 UTC
  • mto: This revision was merged to the branch mainline in revision 3770.
  • Revision ID: robertc@robertcollins.net-20081007045125-4h9com3yii5h6zpx
https://launchpad.net/bugs/279447
Add bzrlib.api.require_any_api, fixing bug 279447.

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Lines of Context:
bzrlib/api.py
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    minimum = get_minimum_api_version(object_with_api)
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    if wanted_api < minimum or wanted_api > current:
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        raise IncompatibleAPI(object_with_api, wanted_api, minimum, current)
 
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def require_any_api(object_with_api, wanted_api_list):
 
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    """Check if object_with_api supports the api version wanted_api.
 
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    :param object_with_api: An object which exports an API minimum and current
 
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        version. See get_minimum_api_version and get_current_api_version for
 
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        details.
 
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    :param wanted_api: A list of API versions, any of which being available is
 
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        sufficent.
 
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    :return None:
 
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    :raises IncompatibleAPI: When the wanted_api is not supported by
 
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        object_with_api.
 
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    Added in bzrlib 1.9.
 
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    """
 
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    for api in wanted_api_list[:-1]:
 
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        try:
 
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            return require_api(object_with_api, api)
 
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        except IncompatibleAPI:
 
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            pass
 
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    require_api(object_with_api, wanted_api_list[-1])