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known_hooks = registry.Registry()
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# known_hooks registry contains
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# tuple of (module, member name) which is the hook point
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# module where the specific hooks are defined
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# callable to get the empty specific Hooks for that attribute
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known_hooks.register_lazy(('bzrlib.branch', 'Branch.hooks'), 'bzrlib.branch',
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known_hooks.register_lazy(('bzrlib.bzrdir', 'BzrDir.hooks'), 'bzrlib.bzrdir',
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known_hooks.register_lazy(('bzrlib.commands', 'Command.hooks'),
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'bzrlib.commands', 'CommandHooks')
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known_hooks.register_lazy(('bzrlib.info', 'hooks'),
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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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known_hooks.register_lazy(('bzrlib.merge', 'Merger.hooks'), 'bzrlib.merge',
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known_hooks.register_lazy(('bzrlib.msgeditor', 'hooks'), 'bzrlib.msgeditor',
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42
known_hooks.register_lazy(('bzrlib.mutabletree', 'MutableTree.hooks'),
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'bzrlib.mutabletree', 'MutableTreeHooks')
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known_hooks.register_lazy(('bzrlib.smart.client', '_SmartClient.hooks'),
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'bzrlib.smart.client', 'SmartClientHooks')
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known_hooks.register_lazy(('bzrlib.smart.server', 'SmartTCPServer.hooks'),
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'bzrlib.smart.server', 'SmartServerHooks')
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known_hooks.register_lazy(('bzrlib.status', 'hooks'),
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'bzrlib.status', 'StatusHooks')
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known_hooks.register_lazy(
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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', 'MergeDirectiveHooks')
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50
def known_hooks_key_to_object((module_name, member_name)):
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"""A single hook that clients can register to be called back when it fires.
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:ivar name: The name of the hook.
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:ivar doc: The docs for using the hook.
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:ivar introduced: A version tuple specifying what version the hook was
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introduced in. None indicates an unknown version.
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:ivar deprecated: A version tuple specifying what version the hook was
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deprecated or superseded in. None indicates that the hook is not
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superseded or deprecated. If the hook is superseded then the doc
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deprecated or superceded in. None indicates that the hook is not
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superceded or deprecated. If the hook is superceded then the doc
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should describe the recommended replacement hook to register for.
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:ivar doc: The docs for using the hook.
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def __init__(self, name, doc, introduced, deprecated):
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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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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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strings.extend(textwrap.wrap(self.__doc__))
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strings.append('')
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return '\n'.join(strings)
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263
yyy.hooks.install_named_hook("xxx", ...)
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See :doc:`Using hooks<../user-guide/hooks>` in the User Guide for examples.
265
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