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Viewing changes to bzrlib/hooks.py

  • Committer: Samuel Bronson
  • Date: 2012-08-30 20:36:18 UTC
  • mto: (6015.57.3 2.4)
  • mto: This revision was merged to the branch mainline in revision 6558.
  • Revision ID: naesten@gmail.com-20120830203618-y2dzw91nqpvpgxvx
Update INSTALL for switch to Python 2.6 and up.

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bzrlib/hooks.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Support for plugin hooking logic."""
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from __future__ import absolute_import
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from bzrlib import (
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    registry,
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    symbol_versioning,
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    errors,
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    pyutils,
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    )
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from bzrlib.i18n import gettext
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""")
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_builtin_known_hooks = (
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    ('bzrlib.branch', 'Branch.hooks', 'BranchHooks'),
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    ('bzrlib.controldir', 'ControlDir.hooks', 'ControlDirHooks'),
 
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    ('bzrlib.bzrdir', 'BzrDir.hooks', 'BzrDirHooks'),
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    ('bzrlib.commands', 'Command.hooks', 'CommandHooks'),
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    ('bzrlib.config', 'ConfigHooks', '_ConfigHooks'),
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    ('bzrlib.info', 'hooks', 'InfoHooks'),
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    ('bzrlib.smart.client', '_SmartClient.hooks', 'SmartClientHooks'),
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    ('bzrlib.smart.server', 'SmartTCPServer.hooks', 'SmartServerHooks'),
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    ('bzrlib.status', 'hooks', 'StatusHooks'),
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    ('bzrlib.transport', 'Transport.hooks', 'TransportHooks'),
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    ('bzrlib.version_info_formats.format_rio', 'RioVersionInfoBuilder.hooks',
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        'RioVersionInfoBuilderHooks'),
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    ('bzrlib.merge_directive', 'BaseMergeDirective.hooks',
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        """
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        dict.__init__(self)
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        self._callable_names = {}
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        self._lazy_callable_names = {}
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        self._module = module
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        self._member_name = member_name
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        the code names are rarely meaningful for end users and this is not
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        intended for debugging.
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        """
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        name = self._callable_names.get(a_callable, None)
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        if name is None and a_callable is not None:
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            name = self._lazy_callable_names.get((a_callable.__module__,
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                                                  a_callable.__name__),
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                                                 None)
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        if name is None:
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            return 'No hook name'
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        return name
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        return self._callable_names.get(a_callable, "No hook name")
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    def install_named_hook_lazy(self, hook_name, callable_module,
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        callable_member, name):
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                self)
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        else:
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            hook_lazy(callable_module, callable_member, name)
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        if name is not None:
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            self.name_hook_lazy(callable_module, callable_member, name)
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    def install_named_hook(self, hook_name, a_callable, name):
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        """Install a_callable in to the hook hook_name, and label it name.
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        """Associate name with a_callable to show users what is running."""
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        self._callable_names[a_callable] = name
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    def name_hook_lazy(self, callable_module, callable_member, callable_name):
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        self._lazy_callable_names[(callable_module, callable_member)]= \
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            callable_name
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class HookPoint(object):
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    """A single hook that clients can register to be called back when it fires.
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            introduced_string = _format_version_tuple(self.introduced)
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        else:
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            introduced_string = 'unknown'
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        strings.append(gettext('Introduced in: %s') % introduced_string)
 
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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(gettext('Deprecated in: %s') % deprecated_string)
 
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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))