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  • Committer: Martin Pool
  • Date: 2009-08-14 12:08:08 UTC
  • mto: This revision was merged to the branch mainline in revision 4614.
  • Revision ID: mbp@sourcefrog.net-20090814120808-4gvx7fhg44z29cj3
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bzrlib/hooks.py
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# Copyright (C) 2007-2010 Canonical Ltd
 
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# Copyright (C) 2007, 2008 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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"""Support for plugin hooking logic."""
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from bzrlib import registry
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from bzrlib.lazy_import import lazy_import
 
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from bzrlib.symbol_versioning import deprecated_method
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lazy_import(globals(), """
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import textwrap
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    'bzrlib.info', 'InfoHooks')
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known_hooks.register_lazy(('bzrlib.lock', 'Lock.hooks'), 'bzrlib.lock',
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    'LockHooks')
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known_hooks.register_lazy(('bzrlib.merge', 'Merger.hooks'), 'bzrlib.merge',
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    'MergeHooks')
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known_hooks.register_lazy(('bzrlib.msgeditor', 'hooks'), 'bzrlib.msgeditor',
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    'MessageEditorHooks')
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known_hooks.register_lazy(('bzrlib.mutabletree', 'MutableTree.hooks'),
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    ('bzrlib.version_info_formats.format_rio', 'RioVersionInfoBuilder.hooks'),
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    'bzrlib.version_info_formats.format_rio', 'RioVersionInfoBuilderHooks')
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known_hooks.register_lazy(
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    ('bzrlib.merge_directive', 'BaseMergeDirective.hooks'),
 
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    ('bzrlib.merge_directive', '_BaseMergeDirective.hooks'),
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    'bzrlib.merge_directive', 'MergeDirectiveHooks')
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        strings.append('Introduced in: %s' % introduced_string)
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        if self.deprecated:
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            deprecated_string = _format_version_tuple(self.deprecated)
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            strings.append('Deprecated in: %s' % deprecated_string)
 
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        else:
 
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            deprecated_string = 'Not deprecated'
 
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        strings.append('Deprecated in: %s' % deprecated_string)
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        strings.append('')
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        strings.extend(textwrap.wrap(self.__doc__,
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            break_long_words=False))
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  yyy.hooks.install_named_hook("xxx", ...)
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See :doc:`Using hooks<../user-guide/hooks>` in the User Guide for examples.
 
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See `Using hooks`_ in the User Guide for examples.
 
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.. _Using hooks: ../user-guide/index.html#using-hooks
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The class that contains each hook is given before the hooks it supplies. For
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instance, BranchHooks as the class is the hooks class for