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  • Committer: Jelmer Vernooij
  • Date: 2017-05-21 18:10:28 UTC
  • mto: This revision was merged to the branch mainline in revision 6623.
  • Revision ID: jelmer@jelmer.uk-20170521181028-zn04pdfw0od9hfj3
Rename brzlib => breezy.

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breezy/api.py
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"""Library API versioning support.
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Added in brzlib 0.18 this allows export of compatibility information about
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brzlib. Please see doc/developers/api-versioning.txt for design details and
 
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Added in breezy 0.18 this allows export of compatibility information about
 
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breezy. Please see doc/developers/api-versioning.txt for design details and
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examples.
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"""
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from __future__ import absolute_import
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import brzlib
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from brzlib.errors import IncompatibleAPI
 
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import breezy
 
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from breezy.errors import IncompatibleAPI
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def get_current_api_version(object_with_api):
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        object has a api_current_version attribute, that is used. Otherwise if
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        there is a version_info attribute, its first three elements are used.
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        Finally if there was no version_info attribute, the current api version
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        of brzlib itself is used.
 
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        of breezy itself is used.
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    Added in brzlib 0.18.
 
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    Added in breezy 0.18.
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    """
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    try:
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        return object_with_api.api_current_version
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        try:
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            return object_with_api.version_info[0:3]
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        except AttributeError:
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            return get_current_api_version(brzlib)
 
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            return get_current_api_version(breezy)
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def get_minimum_api_version(object_with_api):
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    :param object_with_api: An object to look for an API version on. If the
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        object has a api_minimum_version attribute, that is used. Otherwise the
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        minimum api version of brzlib itself is used.
 
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        minimum api version of breezy itself is used.
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    Added in brzlib 0.18.
 
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    Added in breezy 0.18.
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    """
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    try:
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        return object_with_api.api_minimum_version
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    except AttributeError:
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        return get_minimum_api_version(brzlib)
 
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        return get_minimum_api_version(breezy)
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def require_api(object_with_api, wanted_api):
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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 brzlib 0.18.
 
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    Added in breezy 0.18.
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    """
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    current = get_current_api_version(object_with_api)
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    minimum = get_minimum_api_version(object_with_api)
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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 brzlib 1.9.
 
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    Added in breezy 1.9.
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    """
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    for api in wanted_api_list[:-1]:
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        try: