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# Copyright (C) 2005-2011 Canonical Ltd
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# Copyright (C) 2004, 2005 by Canonical Ltd
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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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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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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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from __future__ import absolute_import
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# TODO: Define arguments by objects, rather than just using names.
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# Those objects can specify the expected type of the argument, which
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# would help with validation and shell completion. They could also provide
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# help/explanation for that argument in a structured way.
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# TODO: Specific "examples" property on commands for consistent formatting.
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Bazaar-NG -- a free distributed version-control tool
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**WARNING: THIS IS AN UNSTABLE DEVELOPMENT VERSION**
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* Metadata format is not stable yet -- you may need to
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discard history in the future.
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* Many commands unimplemented or partially implemented.
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* Space-inefficient storage.
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* No merge operators yet.
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Show software version/licence/non-warranty.
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Start versioning the current directory
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Show revision history.
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bzr move FROM... DESTDIR
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Move one or more files to a different directory.
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Show changes from last revision to working copy.
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bzr commit -m 'MESSAGE'
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Store current state as new revision.
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bzr export [-r REVNO] DESTINATION
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Export the branch state at a previous version.
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Show summary of pending changes.
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Make a file not versioned.
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Show statistics about this branch.
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Verify history is stored safely.
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(for more type 'bzr help commands')
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import sys, os, time, os.path
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from bzrlib.hooks import Hooks
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from bzrlib.i18n import gettext
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# Compatibility - Option used to be in commands.
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from bzrlib.option import Option
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from bzrlib.plugin import disable_plugins, load_plugins
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from bzrlib import registry
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class CommandInfo(object):
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"""Information about a command."""
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def __init__(self, aliases):
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"""The list of aliases for the command."""
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self.aliases = aliases
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def from_command(klass, command):
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"""Factory to construct a CommandInfo from a command."""
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return klass(command.aliases)
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class CommandRegistry(registry.Registry):
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"""Special registry mapping command names to command classes.
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:ivar overridden_registry: Look in this registry for commands being
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overridden by this registry. This can be used to tell plugin commands
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about the builtin they're decorating.
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registry.Registry.__init__(self)
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self.overridden_registry = None
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# map from aliases to the real command that implements the name
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def get(self, command_name):
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real_name = self._alias_dict.get(command_name, command_name)
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return registry.Registry.get(self, real_name)
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def _get_name(command_name):
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if command_name.startswith("cmd_"):
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return _unsquish_command_name(command_name)
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def register(self, cmd, decorate=False):
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"""Utility function to help register a command
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:param cmd: Command subclass to register
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:param decorate: If true, allow overriding an existing command
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of the same name; the old command is returned by this function.
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Otherwise it is an error to try to override an existing command.
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k_unsquished = self._get_name(k)
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previous = self.get(k_unsquished)
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if self.overridden_registry:
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previous = self.overridden_registry.get(k_unsquished)
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info = CommandInfo.from_command(cmd)
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registry.Registry.register(self, k_unsquished, cmd,
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override_existing=decorate, info=info)
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trace.warning('Two plugins defined the same command: %r' % k)
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trace.warning('Not loading the one in %r' %
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sys.modules[cmd.__module__])
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trace.warning('Previously this command was registered from %r' %
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sys.modules[previous.__module__])
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for a in cmd.aliases:
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self._alias_dict[a] = k_unsquished
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def register_lazy(self, command_name, aliases, module_name):
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"""Register a command without loading its module.
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:param command_name: The primary name of the command.
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:param aliases: A list of aliases for the command.
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:module_name: The module that the command lives in.
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key = self._get_name(command_name)
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registry.Registry.register_lazy(self, key, module_name, command_name,
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info=CommandInfo(aliases))
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self._alias_dict[a] = key
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plugin_cmds = CommandRegistry()
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builtin_command_registry = CommandRegistry()
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plugin_cmds.overridden_registry = builtin_command_registry
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def register_command(cmd, decorate=False):
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"""Register a plugin command.
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Should generally be avoided in favor of lazy registration.
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return plugin_cmds.register(cmd, decorate)
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def _squish_command_name(cmd):
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return 'cmd_' + cmd.replace('-', '_')
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def _unsquish_command_name(cmd):
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return cmd[4:].replace('_','-')
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def _register_builtin_commands():
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if builtin_command_registry.keys():
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import bzrlib.builtins
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for cmd_class in _scan_module_for_commands(bzrlib.builtins).values():
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builtin_command_registry.register(cmd_class)
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bzrlib.builtins._register_lazy_builtins()
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def _scan_module_for_commands(module):
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for name, obj in module.__dict__.iteritems():
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if name.startswith("cmd_"):
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real_name = _unsquish_command_name(name)
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def _list_bzr_commands(names):
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"""Find commands from bzr's core and plugins.
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This is not the public interface, just the default hook called by all_command_names.
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# to eliminate duplicates
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names.update(builtin_command_names())
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names.update(plugin_command_names())
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def all_command_names():
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"""Return a set of all command names."""
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for hook in Command.hooks['list_commands']:
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raise AssertionError(
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'hook %s returned None' % Command.hooks.get_hook_name(hook))
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def builtin_command_names():
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"""Return list of builtin command names.
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Use of all_command_names() is encouraged rather than builtin_command_names
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and/or plugin_command_names.
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_register_builtin_commands()
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return builtin_command_registry.keys()
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def plugin_command_names():
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"""Returns command names from commands registered by plugins."""
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return plugin_cmds.keys()
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def get_cmd_object(cmd_name, plugins_override=True):
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"""Return the command object for a command.
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If true, plugin commands can override builtins.
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return _get_cmd_object(cmd_name, plugins_override)
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raise errors.BzrCommandError(gettext('unknown command "%s"') % cmd_name)
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def _get_cmd_object(cmd_name, plugins_override=True, check_missing=True):
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"""Get a command object.
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:param cmd_name: The name of the command.
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:param plugins_override: Allow plugins to override builtins.
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:param check_missing: Look up commands not found in the regular index via
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the get_missing_command hook.
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:return: A Command object instance
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:raises KeyError: If no command is found.
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# We want only 'ascii' command names, but the user may have typed
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# in a Unicode name. In that case, they should just get a
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# 'command not found' error later.
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# In the future, we may actually support Unicode command names.
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for hook in Command.hooks['get_command']:
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cmd = hook(cmd, cmd_name)
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if cmd is not None and not plugins_override and not cmd.plugin_name():
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# We've found a non-plugin command, don't permit it to be
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if cmd is None and check_missing:
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for hook in Command.hooks['get_missing_command']:
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# Allow plugins to extend commands
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for hook in Command.hooks['extend_command']:
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if getattr(cmd, 'invoked_as', None) is None:
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cmd.invoked_as = cmd_name
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def _try_plugin_provider(cmd_name):
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"""Probe for a plugin provider having cmd_name."""
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plugin_metadata, provider = probe_for_provider(cmd_name)
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raise errors.CommandAvailableInPlugin(cmd_name,
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plugin_metadata, provider)
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except errors.NoPluginAvailable:
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def probe_for_provider(cmd_name):
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"""Look for a provider for cmd_name.
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:param cmd_name: The command name.
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:return: plugin_metadata, provider for getting cmd_name.
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:raises NoPluginAvailable: When no provider can supply the plugin.
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# look for providers that provide this command but aren't installed
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for provider in command_providers_registry:
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return provider.plugin_for_command(cmd_name), provider
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except errors.NoPluginAvailable:
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raise errors.NoPluginAvailable(cmd_name)
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def _get_bzr_command(cmd_or_None, cmd_name):
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"""Get a command from bzr's core."""
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cmd_class = builtin_command_registry.get(cmd_name)
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def _get_external_command(cmd_or_None, cmd_name):
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"""Lookup a command that is a shell script."""
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# Only do external command lookups when no command is found so far.
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if cmd_or_None is not None:
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from bzrlib.externalcommand import ExternalCommand
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cmd_obj = ExternalCommand.find_command(cmd_name)
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def _get_plugin_command(cmd_or_None, cmd_name):
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"""Get a command from bzr's plugins."""
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return plugin_cmds.get(cmd_name)()
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for key in plugin_cmds.keys():
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info = plugin_cmds.get_info(key)
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if cmd_name in info.aliases:
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return plugin_cmds.get(key)()
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class Command(object):
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from bzrlib.trace import mutter, note, log_error
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from bzrlib.errors import bailout, BzrError, BzrCheckError, BzrCommandError
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from bzrlib.osutils import quotefn, pumpfile, isdir, isfile
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from bzrlib.tree import RevisionTree, EmptyTree, WorkingTree, Tree
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from bzrlib.revision import Revision
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from bzrlib import Branch, Inventory, InventoryEntry, ScratchBranch, BZRDIR, \
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def get_cmd_class(cmd):
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cmd = CMD_ALIASES.get(cmd, cmd)
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cmd_class = globals()['cmd_' + cmd.replace('-', '_')]
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raise BzrError("unknown command %r" % cmd)
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return cmd, cmd_class
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"""Base class for commands.
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Commands are the heart of the command-line bzr interface.
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The command object mostly handles the mapping of command-line
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parameters into one or more bzrlib operations, and of the results
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Commands normally don't have any state. All their arguments are
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passed in to the run method. (Subclasses may take a different
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policy if the behaviour of the instance needs to depend on e.g. a
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shell plugin and not just its Python class.)
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The docstring for an actual command should give a single-line
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summary, then a complete description of the command. A grammar
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description will be inserted.
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:cvar aliases: Other accepted names for this command.
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:cvar takes_args: List of argument forms, marked with whether they are
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optional, repeated, etc. Examples::
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['to_location', 'from_branch?', 'file*']
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* 'to_location' is required
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* 'from_branch' is optional
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* 'file' can be specified 0 or more times
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:cvar takes_options: List of options that may be given for this command.
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These can be either strings, referring to globally-defined options, or
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option objects. Retrieve through options().
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:cvar hidden: If true, this command isn't advertised. This is typically
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for commands intended for expert users.
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:cvar encoding_type: Command objects will get a 'outf' attribute, which has
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been setup to properly handle encoding of unicode strings.
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encoding_type determines what will happen when characters cannot be
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* strict - abort if we cannot decode
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* replace - put in a bogus character (typically '?')
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* exact - do not encode sys.stdout
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NOTE: by default on Windows, sys.stdout is opened as a text stream,
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therefore LF line-endings are converted to CRLF. When a command uses
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encoding_type = 'exact', then sys.stdout is forced to be a binary
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stream, and line-endings will not mangled.
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A string indicating the real name under which this command was
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invoked, before expansion of aliases.
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(This may be None if the command was constructed and run in-process.)
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:cvar hooks: An instance of CommandHooks.
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:cvar __doc__: The help shown by 'bzr help command' for this command.
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This is set by assigning explicitly to __doc__ so that -OO can
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__doc__ = "My help goes here"
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List of argument forms, marked with whether they are optional,
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List of options that may be given for this command.
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If true, this command isn't advertised.
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takes_options = []
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encoding_type = 'strict'
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"""Construct an instance of this command."""
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# List of standard options directly supported
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self.supported_std_options = []
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def add_cleanup(self, cleanup_func, *args, **kwargs):
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"""Register a function to call after self.run returns or raises.
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Functions will be called in LIFO order.
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self._operation.add_cleanup(cleanup_func, *args, **kwargs)
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def cleanup_now(self):
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"""Execute and empty pending cleanup functions immediately.
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After cleanup_now all registered cleanups are forgotten. add_cleanup
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may be called again after cleanup_now; these cleanups will be called
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after self.run returns or raises (or when cleanup_now is next called).
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This is useful for releasing expensive or contentious resources (such
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as write locks) before doing further work that does not require those
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resources (such as writing results to self.outf). Note though, that
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as it releases all resources, this may release locks that the command
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wants to hold, so use should be done with care.
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self._operation.cleanup_now()
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"""Return single-line grammar for this command.
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Only describes arguments, not options.
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s = 'bzr ' + self.name() + ' '
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for aname in self.takes_args:
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aname = aname.upper()
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if aname[-1] in ['$', '+']:
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aname = aname[:-1] + '...'
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elif aname[-1] == '?':
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aname = '[' + aname[:-1] + ']'
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elif aname[-1] == '*':
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aname = '[' + aname[:-1] + '...]'
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s = s[:-1] # remove last space
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def get_help_text(self, additional_see_also=None, plain=True,
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see_also_as_links=False, verbose=True):
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"""Return a text string with help for this command.
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:param additional_see_also: Additional help topics to be
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:param plain: if False, raw help (reStructuredText) is
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returned instead of plain text.
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:param see_also_as_links: if True, convert items in 'See also'
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list to internal links (used by bzr_man rstx generator)
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:param verbose: if True, display the full help, otherwise
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leave out the descriptive sections and just display
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usage help (e.g. Purpose, Usage, Options) with a
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message explaining how to obtain full help.
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i18n.install() # Install i18n only for get_help_text for now.
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# Note: If self.gettext() translates ':Usage:\n', the section will
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# be shown after "Description" section and we don't want to
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# translate the usage string.
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# Though, bzr export-pot don't exports :Usage: section and it must
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doc = self.gettext(doc)
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doc = gettext("No help for this command.")
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# Extract the summary (purpose) and sections out from the text
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purpose,sections,order = self._get_help_parts(doc)
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# If a custom usage section was provided, use it
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if sections.has_key('Usage'):
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usage = sections.pop('Usage')
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usage = self._usage()
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# The header is the purpose and usage
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result += gettext(':Purpose: %s\n') % (purpose,)
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if usage.find('\n') >= 0:
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result += gettext(':Usage:\n%s\n') % (usage,)
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result += gettext(':Usage: %s\n') % (usage,)
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# XXX: optparse implicitly rewraps the help, and not always perfectly,
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# so we get <https://bugs.launchpad.net/bzr/+bug/249908>. -- mbp
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parser = option.get_optparser(self.options())
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options = parser.format_option_help()
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# FIXME: According to the spec, ReST option lists actually don't
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# support options like --1.14 so that causes syntax errors (in Sphinx
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# at least). As that pattern always appears in the commands that
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# break, we trap on that and then format that block of 'format' options
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# as a literal block. We use the most recent format still listed so we
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# don't have to do that too often -- vila 20110514
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if not plain and options.find(' --1.14 ') != -1:
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options = options.replace(' format:\n', ' format::\n\n', 1)
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if options.startswith('Options:'):
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result += gettext(':Options:%s') % (options[len('options:'):],)
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# Add the description, indenting it 2 spaces
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# to match the indentation of the options
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if sections.has_key(None):
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text = sections.pop(None)
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text = '\n '.join(text.splitlines())
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result += gettext(':Description:\n %s\n\n') % (text,)
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# Add the custom sections (e.g. Examples). Note that there's no need
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# to indent these as they must be indented already in the source.
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if label in sections:
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result += ':%s:\n%s\n' % (label, sections[label])
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result += (gettext("See bzr help %s for more details and examples.\n\n")
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# Add the aliases, source (plug-in) and see also links, if any
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result += gettext(':Aliases: ')
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result += ', '.join(self.aliases) + '\n'
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plugin_name = self.plugin_name()
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if plugin_name is not None:
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result += gettext(':From: plugin "%s"\n') % plugin_name
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see_also = self.get_see_also(additional_see_also)
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if not plain and see_also_as_links:
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for item in see_also:
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# topics doesn't have an independent section
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# so don't create a real link
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see_also_links.append(item)
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# Use a Sphinx link for this entry
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link_text = gettext(":doc:`{0} <{1}-help>`").format(
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see_also_links.append(link_text)
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see_also = see_also_links
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result += gettext(':See also: %s') % ', '.join(see_also) + '\n'
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# If this will be rendered as plain text, convert it
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import bzrlib.help_topics
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result = bzrlib.help_topics.help_as_plain_text(result)
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def _get_help_parts(text):
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"""Split help text into a summary and named sections.
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:return: (summary,sections,order) where summary is the top line and
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sections is a dictionary of the rest indexed by section name.
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order is the order the section appear in the text.
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A section starts with a heading line of the form ":xxx:".
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Indented text on following lines is the section value.
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All text found outside a named section is assigned to the
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default section which is given the key of None.
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def save_section(sections, order, label, section):
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if sections.has_key(label):
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sections[label] += '\n' + section
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sections[label] = section
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lines = text.rstrip().splitlines()
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summary = lines.pop(0)
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label,section = None,''
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if line.startswith(':') and line.endswith(':') and len(line) > 2:
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save_section(sections, order, label, section)
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label,section = line[1:-1],''
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elif (label is not None) and len(line) > 1 and not line[0].isspace():
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save_section(sections, order, label, section)
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label,section = None,line
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section += '\n' + line
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save_section(sections, order, label, section)
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return summary, sections, order
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def get_help_topic(self):
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"""Return the commands help topic - its name."""
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def get_see_also(self, additional_terms=None):
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"""Return a list of help topics that are related to this command.
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The list is derived from the content of the _see_also attribute. Any
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duplicates are removed and the result is in lexical order.
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:param additional_terms: Additional help topics to cross-reference.
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:return: A list of help topics.
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see_also = set(getattr(self, '_see_also', []))
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see_also.update(additional_terms)
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return sorted(see_also)
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"""Return dict of valid options for this command.
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Maps from long option name to option object."""
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r = Option.STD_OPTIONS.copy()
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for o in self.takes_options:
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if isinstance(o, basestring):
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o = option.Option.OPTIONS[o]
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if o.name in std_names:
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self.supported_std_options.append(o.name)
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def _setup_outf(self):
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"""Return a file linked to stdout, which has proper encoding."""
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self.outf = ui.ui_factory.make_output_stream(
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encoding_type=self.encoding_type)
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def run_argv_aliases(self, argv, alias_argv=None):
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"""Parse the command line and run with extra aliases in alias_argv."""
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args, opts = parse_args(self, argv, alias_argv)
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# Process the standard options
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if 'help' in opts: # e.g. bzr add --help
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self.outf.write(self.get_help_text())
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if 'usage' in opts: # e.g. bzr add --usage
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self.outf.write(self.get_help_text(verbose=False))
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trace.set_verbosity_level(option._verbosity_level)
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if 'verbose' in self.supported_std_options:
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opts['verbose'] = trace.is_verbose()
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elif opts.has_key('verbose'):
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if 'quiet' in self.supported_std_options:
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opts['quiet'] = trace.is_quiet()
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elif opts.has_key('quiet'):
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# mix arguments and options into one dictionary
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cmdargs = _match_argform(self.name(), self.takes_args, args)
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for k, v in opts.items():
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cmdopts[k.replace('-', '_')] = v
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all_cmd_args = cmdargs.copy()
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all_cmd_args.update(cmdopts)
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return self.run(**all_cmd_args)
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# reset it, so that other commands run in the same process won't
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# inherit state. Before we reset it, log any activity, so that it
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# gets properly tracked.
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ui.ui_factory.log_transport_activity(
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display=('bytes' in debug.debug_flags))
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trace.set_verbosity_level(0)
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def _setup_run(self):
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"""Wrap the defined run method on self with a cleanup.
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This is called by __init__ to make the Command be able to be run
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by just calling run(), as it could be before cleanups were added.
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If a different form of cleanups are in use by your Command subclass,
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you can override this method.
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def run(*args, **kwargs):
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for hook in Command.hooks['pre_command']:
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self._operation = cleanup.OperationWithCleanups(class_run)
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return self._operation.run_simple(*args, **kwargs)
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for hook in Command.hooks['post_command']:
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def __init__(self, options, arguments):
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"""Construct and run the command.
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Sets self.status to the return value of run()."""
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assert isinstance(options, dict)
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assert isinstance(arguments, dict)
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cmdargs = options.copy()
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cmdargs.update(arguments)
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assert self.__doc__ != Command.__doc__, \
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("No help message set for %r" % self)
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self.status = self.run(**cmdargs)
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"""Actually run the command.
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"""Override this in sub-classes.
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This is invoked with the options and arguments bound to
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keyword parameters.
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Return 0 or None if the command was successful, or a non-zero
711
shell error code if not. It's OK for this method to allow
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an exception to raise up.
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This method is automatically wrapped by Command.__init__ with a
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cleanup operation, stored as self._operation. This can be used
716
via self.add_cleanup to perform automatic cleanups at the end of
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The argument for run are assembled by introspection. So for instance,
720
if your command takes an argument files, you would declare::
722
def run(self, files=None):
725
raise NotImplementedError('no implementation of command %r'
729
"""Return help message for this class."""
730
from inspect import getdoc
731
if self.__doc__ is Command.__doc__:
735
def gettext(self, message):
736
"""Returns the gettext function used to translate this command's help.
738
Commands provided by plugins should override this to use their
741
return i18n.gettext_per_paragraph(message)
744
"""Return the canonical name for this command.
746
The name under which it was actually invoked is available in invoked_as.
748
return _unsquish_command_name(self.__class__.__name__)
750
def plugin_name(self):
751
"""Get the name of the plugin that provides this command.
753
:return: The name of the plugin or None if the command is builtin.
755
mod_parts = self.__module__.split('.')
756
if len(mod_parts) >= 3 and mod_parts[1] == 'plugins':
762
class CommandHooks(Hooks):
763
"""Hooks related to Command object creation/enumeration."""
766
"""Create the default hooks.
768
These are all empty initially, because by default nothing should get
771
Hooks.__init__(self, "bzrlib.commands", "Command.hooks")
772
self.add_hook('extend_command',
773
"Called after creating a command object to allow modifications "
774
"such as adding or removing options, docs etc. Called with the "
775
"new bzrlib.commands.Command object.", (1, 13))
776
self.add_hook('get_command',
777
"Called when creating a single command. Called with "
778
"(cmd_or_None, command_name). get_command should either return "
779
"the cmd_or_None parameter, or a replacement Command object that "
780
"should be used for the command. Note that the Command.hooks "
781
"hooks are core infrastructure. Many users will prefer to use "
782
"bzrlib.commands.register_command or plugin_cmds.register_lazy.",
784
self.add_hook('get_missing_command',
785
"Called when creating a single command if no command could be "
786
"found. Called with (command_name). get_missing_command should "
787
"either return None, or a Command object to be used for the "
789
self.add_hook('list_commands',
790
"Called when enumerating commands. Called with a set of "
791
"cmd_name strings for all the commands found so far. This set "
792
" is safe to mutate - e.g. to remove a command. "
793
"list_commands should return the updated set of command names.",
795
self.add_hook('pre_command',
796
"Called prior to executing a command. Called with the command "
798
self.add_hook('post_command',
799
"Called after executing a command. Called with the command "
802
Command.hooks = CommandHooks()
805
def parse_args(command, argv, alias_argv=None):
147
Return 0 or None if the command was successful, or a shell
154
class cmd_status(Command):
155
"""Display status summary.
157
For each file there is a single line giving its file state and name.
158
The name is that in the current revision unless it is deleted or
159
missing, in which case the old name is shown.
161
takes_options = ['all']
163
def run(self, all=False):
164
#import bzrlib.status
165
#bzrlib.status.tree_status(Branch('.'))
166
Branch('.').show_status(show_all=all)
169
class cmd_cat_revision(Command):
170
"""Write out metadata for a revision."""
173
takes_args = ['revision_id']
175
def run(self, revision_id):
176
Branch('.').get_revision(revision_id).write_xml(sys.stdout)
179
class cmd_revno(Command):
180
"""Show current revision number.
182
This is equal to the number of revisions on this branch."""
184
print Branch('.').revno()
187
class cmd_add(Command):
188
"""Add specified files or directories.
190
In non-recursive mode, all the named items are added, regardless
191
of whether they were previously ignored. A warning is given if
192
any of the named files are already versioned.
194
In recursive mode (the default), files are treated the same way
195
but the behaviour for directories is different. Directories that
196
are already versioned do not give a warning. All directories,
197
whether already versioned or not, are searched for files or
198
subdirectories that are neither versioned or ignored, and these
199
are added. This search proceeds recursively into versioned
202
Therefore simply saying 'bzr add .' will version all files that
203
are currently unknown.
205
TODO: Perhaps adding a file whose directly is not versioned should
206
recursively add that parent, rather than giving an error?
208
takes_args = ['file+']
209
takes_options = ['verbose']
211
def run(self, file_list, verbose=False):
212
bzrlib.add.smart_add(file_list, verbose)
215
def Relpath(Command):
216
"""Show path of a file relative to root"""
217
takes_args = ('filename')
220
print Branch(self.args['filename']).relpath(filename)
224
class cmd_inventory(Command):
225
"""Show inventory of the current working copy or a revision."""
226
takes_options = ['revision']
228
def run(self, revision=None):
231
inv = b.read_working_inventory()
233
inv = b.get_revision_inventory(b.lookup_revision(revision))
235
for path, entry in inv.iter_entries():
236
print '%-50s %s' % (entry.file_id, path)
239
class cmd_move(Command):
240
"""Move files to a different directory.
245
The destination must be a versioned directory in the same branch.
247
takes_args = ['source$', 'dest']
248
def run(self, source_list, dest):
251
b.move([b.relpath(s) for s in source_list], b.relpath(dest))
254
class cmd_rename(Command):
255
"""Change the name of an entry.
258
bzr rename frob.c frobber.c
259
bzr rename src/frob.c lib/frob.c
261
It is an error if the destination name exists.
263
See also the 'move' command, which moves files into a different
264
directory without changing their name.
266
TODO: Some way to rename multiple files without invoking bzr for each
268
takes_args = ['from_name', 'to_name']
270
def run(self, from_name, to_name):
272
b.rename_one(b.relpath(from_name), b.relpath(to_name))
276
class cmd_renames(Command):
277
"""Show list of renamed files.
279
TODO: Option to show renames between two historical versions.
281
TODO: Only show renames under dir, rather than in the whole branch.
283
takes_args = ['dir?']
285
def run(self, dir='.'):
287
old_inv = b.basis_tree().inventory
288
new_inv = b.read_working_inventory()
290
renames = list(bzrlib.tree.find_renames(old_inv, new_inv))
292
for old_name, new_name in renames:
293
print "%s => %s" % (old_name, new_name)
296
class cmd_info(Command):
297
"""Show statistical information for this branch"""
300
info.show_info(Branch('.'))
303
class cmd_remove(Command):
304
"""Make a file unversioned.
306
This makes bzr stop tracking changes to a versioned file. It does
307
not delete the working copy.
309
takes_args = ['file+']
310
takes_options = ['verbose']
312
def run(self, file_list, verbose=False):
313
b = Branch(file_list[0])
314
b.remove([b.relpath(f) for f in file_list], verbose=verbose)
317
class cmd_file_id(Command):
318
"""Print file_id of a particular file or directory.
320
The file_id is assigned when the file is first added and remains the
321
same through all revisions where the file exists, even when it is
325
takes_args = ['filename']
326
def run(self, filename):
328
i = b.inventory.path2id(b.relpath(filename))
330
bailout("%r is not a versioned file" % filename)
335
class cmd_file_path(Command):
336
"""Print path of file_ids to a file or directory.
338
This prints one line for each directory down to the target,
339
starting at the branch root."""
341
takes_args = ['filename']
342
def run(self, filename):
345
fid = inv.path2id(b.relpath(filename))
347
bailout("%r is not a versioned file" % filename)
348
for fip in inv.get_idpath(fid):
352
class cmd_revision_history(Command):
353
"""Display list of revision ids on this branch."""
355
for patchid in Branch('.').revision_history():
359
class cmd_directories(Command):
360
"""Display list of versioned directories in this branch."""
362
for name, ie in Branch('.').read_working_inventory().directories():
369
class cmd_init(Command):
370
"""Make a directory into a versioned branch.
372
Use this to create an empty branch, or before importing an
375
Recipe for importing a tree of files:
380
bzr commit -m 'imported project'
383
Branch('.', init=True)
386
class cmd_diff(Command):
387
"""Show differences in working tree.
389
If files are listed, only the changes in those files are listed.
390
Otherwise, all changes for the tree are listed.
392
TODO: Given two revision arguments, show the difference between them.
394
TODO: Allow diff across branches.
396
TODO: Option to use external diff command; could be GNU diff, wdiff,
399
TODO: Python difflib is not exactly the same as unidiff; should
400
either fix it up or prefer to use an external diff.
402
TODO: If a directory is given, diff everything under that.
404
TODO: Selected-file diff is inefficient and doesn't show you
407
TODO: This probably handles non-Unix newlines poorly.
410
takes_args = ['file*']
411
takes_options = ['revision']
413
def run(self, revision=None, file_list=None):
414
from bzrlib.diff import show_diff
416
show_diff(Branch('.'), revision, file_list)
419
class cmd_deleted(Command):
420
"""List files deleted in the working tree.
422
TODO: Show files deleted since a previous revision, or between two revisions.
424
def run(self, show_ids=False):
427
new = b.working_tree()
429
## TODO: Much more efficient way to do this: read in new
430
## directories with readdir, rather than stating each one. Same
431
## level of effort but possibly much less IO. (Or possibly not,
432
## if the directories are very large...)
434
for path, ie in old.inventory.iter_entries():
435
if not new.has_id(ie.file_id):
437
print '%-50s %s' % (path, ie.file_id)
441
class cmd_root(Command):
442
"""Show the tree root directory.
444
The root is the nearest enclosing directory with a .bzr control
446
takes_args = ['filename?']
447
def run(self, filename=None):
448
"""Print the branch root."""
449
print bzrlib.branch.find_branch_root(filename)
453
class cmd_log(Command):
454
"""Show log of this branch.
456
TODO: Options to show ids; to limit range; etc.
458
takes_options = ['timezone', 'verbose']
459
def run(self, timezone='original', verbose=False):
460
Branch('.').write_log(show_timezone=timezone, verbose=verbose)
463
class cmd_ls(Command):
464
"""List files in a tree.
466
TODO: Take a revision or remote path and list that tree instead.
469
def run(self, revision=None, verbose=False):
472
tree = b.working_tree()
474
tree = b.revision_tree(b.lookup_revision(revision))
476
for fp, fc, kind, fid in tree.list_files():
478
if kind == 'directory':
485
print '%-8s %s%s' % (fc, fp, kindch)
491
class cmd_unknowns(Command):
492
"""List unknown files"""
494
for f in Branch('.').unknowns():
499
class cmd_ignore(Command):
500
"""Ignore a command or pattern"""
501
takes_args = ['name_pattern']
503
def run(self, name_pattern):
506
# XXX: This will fail if it's a hardlink; should use an AtomicFile class.
507
f = open(b.abspath('.bzrignore'), 'at')
508
f.write(name_pattern + '\n')
511
inv = b.working_tree().inventory
512
if inv.path2id('.bzrignore'):
513
mutter('.bzrignore is already versioned')
515
mutter('need to make new .bzrignore file versioned')
516
b.add(['.bzrignore'])
520
class cmd_ignored(Command):
521
"""List ignored files and the patterns that matched them."""
523
tree = Branch('.').working_tree()
524
for path, file_class, kind, file_id in tree.list_files():
525
if file_class != 'I':
527
## XXX: Slightly inefficient since this was already calculated
528
pat = tree.is_ignored(path)
529
print '%-50s %s' % (path, pat)
532
class cmd_lookup_revision(Command):
533
"""Lookup the revision-id from a revision-number
536
bzr lookup-revision 33
539
takes_args = ['revno']
541
def run(self, revno):
545
raise BzrCommandError("not a valid revision-number: %r" % revno)
547
print Branch('.').lookup_revision(revno)
550
class cmd_export(Command):
551
"""Export past revision to destination directory.
553
If no revision is specified this exports the last committed revision."""
554
takes_args = ['dest']
555
takes_options = ['revision']
556
def run(self, dest, revno=None):
559
rh = b.revision_history[-1]
561
rh = b.lookup_revision(int(revno))
562
t = b.revision_tree(rh)
566
class cmd_cat(Command):
567
"""Write a file's text from a previous revision."""
569
takes_options = ['revision']
570
takes_args = ['filename']
572
def run(self, filename, revision=None):
574
raise BzrCommandError("bzr cat requires a revision number")
576
b.print_file(b.relpath(filename), int(revision))
579
class cmd_local_time_offset(Command):
580
"""Show the offset in seconds from GMT to local time."""
583
print bzrlib.osutils.local_time_offset()
587
class cmd_commit(Command):
588
"""Commit changes into a new revision.
590
TODO: Commit only selected files.
592
TODO: Run hooks on tree to-be-committed, and after commit.
594
TODO: Strict commit that fails if there are unknown or deleted files.
596
takes_options = ['message', 'verbose']
598
def run(self, message=None, verbose=False):
600
raise BzrCommandError("please specify a commit message")
601
Branch('.').commit(message, verbose=verbose)
604
class cmd_check(Command):
605
"""Validate consistency of branch history.
607
This command checks various invariants about the branch storage to
608
detect data corruption or bzr bugs.
610
takes_args = ['dir?']
611
def run(self, dir='.'):
613
bzrlib.check.check(Branch(dir, find_root=False))
617
class cmd_whoami(Command):
618
"""Show bzr user id."""
619
takes_options = ['email']
621
def run(self, email=False):
623
print bzrlib.osutils.user_email()
625
print bzrlib.osutils.username()
628
class cmd_selftest(Command):
629
"""Run internal test suite"""
632
failures, tests = 0, 0
634
import doctest, bzrlib.store, bzrlib.tests
635
bzrlib.trace.verbose = False
637
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
638
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
639
mf, mt = doctest.testmod(m)
642
print '%-40s %3d tests' % (m.__name__, mt),
644
print '%3d FAILED!' % mf
648
print '%-40s %3d tests' % ('total', tests),
650
print '%3d FAILED!' % failures
656
class cmd_version(Command):
657
"""Show version of bzr"""
662
print "bzr (bazaar-ng) %s" % bzrlib.__version__
663
print bzrlib.__copyright__
664
print "http://bazaar-ng.org/"
666
print "bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and"
667
print "you may use, modify and redistribute it under the terms of the GNU"
668
print "General Public License version 2 or later."
671
class cmd_rocks(Command):
672
"""Statement of optimism."""
675
print "it sure does!"
678
class cmd_assert_fail(Command):
679
"""Test reporting of assertion failures"""
682
assert False, "always fails"
685
class cmd_help(Command):
686
"""Show help on a command or other topic.
688
For a list of all available commands, say 'bzr help commands'."""
689
takes_args = ['topic?']
691
def run(self, topic=None):
695
def help(topic=None):
698
elif topic == 'commands':
701
help_on_command(topic)
704
def help_on_command(cmdname):
705
cmdname = str(cmdname)
707
from inspect import getdoc
708
topic, cmdclass = get_cmd_class(cmdname)
710
doc = getdoc(cmdclass)
712
raise NotImplementedError("sorry, no detailed help yet for %r" % cmdname)
715
short, rest = doc.split('\n', 1)
720
print 'usage: bzr ' + topic,
721
for aname in cmdclass.takes_args:
722
aname = aname.upper()
723
if aname[-1] in ['$', '+']:
724
aname = aname[:-1] + '...'
725
elif aname[-1] == '?':
726
aname = '[' + aname[:-1] + ']'
727
elif aname[-1] == '*':
728
aname = '[' + aname[:-1] + '...]'
735
help_on_option(cmdclass.takes_options)
738
def help_on_option(options):
746
for shortname, longname in SHORT_OPTIONS.items():
748
l += ', -' + shortname
754
"""List all commands"""
758
for k, v in globals().items():
759
if k.startswith('cmd_'):
760
accu.append((k[4:].replace('_','-'), v))
762
for cmdname, cmdclass in accu:
766
help = inspect.getdoc(cmdclass)
768
print " " + help.split('\n', 1)[0]
771
######################################################################
775
# list of all available options; the rhs can be either None for an
776
# option that takes no argument, or a constructor function that checks
798
def parse_args(argv):
806
799
"""Parse command line.
808
801
Arguments and options are parsed at this level before being passed
809
802
down to specific command handlers. This routine knows, from a
810
803
lookup table, something about the available options, what optargs
811
804
they take, and which commands will accept them.
806
>>> parse_args('--help'.split())
808
>>> parse_args('--version'.split())
809
([], {'version': True})
810
>>> parse_args('status --all'.split())
811
(['status'], {'all': True})
812
>>> parse_args('commit --message=biter'.split())
813
(['commit'], {'message': u'biter'})
813
# TODO: make it a method of the Command?
814
parser = option.get_optparser(command.options())
815
if alias_argv is not None:
816
args = alias_argv + argv
820
# for python 2.5 and later, optparse raises this exception if a non-ascii
821
# option name is given. See http://bugs.python.org/issue2931
823
options, args = parser.parse_args(args)
824
except UnicodeEncodeError,e:
825
raise errors.BzrCommandError(
826
gettext('Only ASCII permitted in option names'))
828
opts = dict([(k, v) for k, v in options.__dict__.iteritems() if
829
v is not option.OptionParser.DEFAULT_VALUE])
818
# TODO: Maybe handle '--' to end options?
823
# option names must not be unicode
827
mutter(" got option %r" % a)
829
optname, optarg = a[2:].split('=', 1)
832
if optname not in OPTIONS:
833
bailout('unknown long option %r' % a)
836
if shortopt not in SHORT_OPTIONS:
837
bailout('unknown short option %r' % a)
838
optname = SHORT_OPTIONS[shortopt]
841
# XXX: Do we ever want to support this, e.g. for -r?
842
bailout('repeated option %r' % a)
844
optargfn = OPTIONS[optname]
848
bailout('option %r needs an argument' % a)
851
opts[optname] = optargfn(optarg)
854
bailout('option %r takes no argument' % optname)
830
859
return args, opts
833
864
def _match_argform(cmd, takes_args, args):
847
878
argdict[argname + '_list'] = None
848
879
elif ap[-1] == '+':
850
raise errors.BzrCommandError(gettext(
851
"command {0!r} needs one or more {1}").format(
852
cmd, argname.upper()))
881
raise BzrCommandError("command %r needs one or more %s"
882
% (cmd, argname.upper()))
854
884
argdict[argname + '_list'] = args[:]
856
886
elif ap[-1] == '$': # all but one
857
887
if len(args) < 2:
858
raise errors.BzrCommandError(
859
gettext("command {0!r} needs one or more {1}").format(
860
cmd, argname.upper()))
888
raise BzrCommandError("command %r needs one or more %s"
889
% (cmd, argname.upper()))
861
890
argdict[argname + '_list'] = args[:-1]
864
893
# just a plain arg
867
raise errors.BzrCommandError(
868
gettext("command {0!r} requires argument {1}").format(
869
cmd, argname.upper()))
896
raise BzrCommandError("command %r requires argument %s"
897
% (cmd, argname.upper()))
871
899
argdict[argname] = args.pop(0)
874
raise errors.BzrCommandError( gettext(
875
"extra argument to command {0}: {1}").format(
902
raise BzrCommandError("extra argument to command %s: %s"
880
def apply_coveraged(dirname, the_callable, *args, **kwargs):
881
# Cannot use "import trace", as that would import bzrlib.trace instead of
882
# the standard library's trace.
883
trace = __import__('trace')
885
tracer = trace.Trace(count=1, trace=0)
886
sys.settrace(tracer.globaltrace)
887
threading.settrace(tracer.globaltrace)
890
return exception_to_return_code(the_callable, *args, **kwargs)
893
results = tracer.results()
894
results.write_results(show_missing=1, summary=False,
898
def apply_profiled(the_callable, *args, **kwargs):
902
pffileno, pfname = tempfile.mkstemp()
904
prof = hotshot.Profile(pfname)
910
"""Execute a command.
912
This is similar to main(), but without all the trappings for
913
logging and error handling.
916
argv = [a.decode(bzrlib.user_encoding) for a in argv]
919
args, opts = parse_args(argv[1:])
926
elif 'version' in opts:
929
cmd = str(args.pop(0))
931
log_error('usage: bzr COMMAND')
932
log_error(' try "bzr help"')
935
canonical_cmd, cmd_class = get_cmd_class(cmd)
938
if 'profile' in opts:
944
# check options are reasonable
945
allowed = cmd_class.takes_options
947
if oname not in allowed:
948
raise BzrCommandError("option %r is not allowed for command %r"
951
# mix arguments and options into one dictionary
952
cmdargs = _match_argform(cmd, cmd_class.takes_args, args)
954
for k, v in opts.items():
955
cmdopts[k.replace('-', '_')] = v
958
import hotshot, tempfile
959
pffileno, pfname = tempfile.mkstemp()
906
ret = prof.runcall(exception_to_return_code, the_callable, *args,
961
prof = hotshot.Profile(pfname)
962
ret = prof.runcall(cmd_class, cmdopts, cmdargs) or 0
910
stats = hotshot.stats.load(pfname)
912
stats.sort_stats('cum') # 'time'
913
## XXX: Might like to write to stderr or the trace file instead but
914
## print_stats seems hardcoded to stdout
915
stats.print_stats(20)
922
def exception_to_return_code(the_callable, *args, **kwargs):
923
"""UI level helper for profiling and coverage.
925
This transforms exceptions into a return value of 3. As such its only
926
relevant to the UI layer, and should never be called where catching
927
exceptions may be desirable.
930
return the_callable(*args, **kwargs)
931
except (KeyboardInterrupt, Exception), e:
932
# used to handle AssertionError and KeyboardInterrupt
933
# specially here, but hopefully they're handled ok by the logger now
934
exc_info = sys.exc_info()
935
exitcode = trace.report_exception(exc_info, sys.stderr)
936
if os.environ.get('BZR_PDB'):
937
print '**** entering debugger'
939
pdb.post_mortem(exc_info[2])
943
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
944
from bzrlib.lsprof import profile
945
ret, stats = profile(exception_to_return_code, the_callable,
952
trace.note(gettext('Profile data written to "%s".'), filename)
956
def get_alias(cmd, config=None):
957
"""Return an expanded alias, or None if no alias exists.
960
Command to be checked for an alias.
962
Used to specify an alternative config to use,
963
which is especially useful for testing.
964
If it is unspecified, the global config will be used.
968
config = bzrlib.config.GlobalConfig()
969
alias = config.get_alias(cmd)
971
return cmdline.split(alias)
975
def run_bzr(argv, load_plugins=load_plugins, disable_plugins=disable_plugins):
976
"""Execute a command.
978
:param argv: The command-line arguments, without the program name from
979
argv[0] These should already be decoded. All library/test code calling
980
run_bzr should be passing valid strings (don't need decoding).
981
:param load_plugins: What function to call when triggering plugin loading.
982
This function should take no arguments and cause all plugins to be
984
:param disable_plugins: What function to call when disabling plugin
985
loading. This function should take no arguments and cause all plugin
986
loading to be prohibited (so that code paths in your application that
987
know about some plugins possibly being present will fail to import
988
those plugins even if they are installed.)
989
:return: Returns a command exit code or raises an exception.
991
Special master options: these must come before the command because
992
they control how the command is interpreted.
995
Do not load plugin modules at all
1001
Only use builtin commands. (Plugins are still allowed to change
1005
Run under the Python hotshot profiler.
1008
Run under the Python lsprof profiler.
1011
Generate line coverage report in the specified directory.
1014
Specify the number of processes that can be run concurrently (selftest).
1016
trace.mutter("bazaar version: " + bzrlib.__version__)
1017
argv = _specified_or_unicode_argv(argv)
1018
trace.mutter("bzr arguments: %r", argv)
1020
opt_lsprof = opt_profile = opt_no_plugins = opt_builtin = \
1021
opt_no_l10n = opt_no_aliases = False
1022
opt_lsprof_file = opt_coverage_dir = None
1024
# --no-plugins is handled specially at a very early stage. We need
1025
# to load plugins before doing other command parsing so that they
1026
# can override commands, but this needs to happen first.
1030
override_config = []
1031
while i < len(argv):
1033
if a == '--profile':
1035
elif a == '--lsprof':
1037
elif a == '--lsprof-file':
1039
opt_lsprof_file = argv[i + 1]
1041
elif a == '--no-plugins':
1042
opt_no_plugins = True
1043
elif a == '--no-aliases':
1044
opt_no_aliases = True
1045
elif a == '--no-l10n':
1047
elif a == '--builtin':
1049
elif a == '--concurrency':
1050
os.environ['BZR_CONCURRENCY'] = argv[i + 1]
1052
elif a == '--coverage':
1053
opt_coverage_dir = argv[i + 1]
1055
elif a == '--profile-imports':
1056
pass # already handled in startup script Bug #588277
1057
elif a.startswith('-D'):
1058
debug.debug_flags.add(a[2:])
1059
elif a.startswith('-O'):
1060
override_config.append(a[2:])
1065
if bzrlib.global_state is None:
1066
# FIXME: Workaround for users that imported bzrlib but didn't call
1067
# bzrlib.initialize -- vila 2012-01-19
1068
cmdline_overrides = config.CommandLineStore()
1070
cmdline_overrides = bzrlib.global_state.cmdline_overrides
1071
cmdline_overrides._from_cmdline(override_config)
1073
debug.set_debug_flags_from_config()
1075
if not opt_no_plugins:
1082
get_cmd_object('help').run_argv_aliases([])
1085
if argv[0] == '--version':
1086
get_cmd_object('version').run_argv_aliases([])
1091
if not opt_no_aliases:
1092
alias_argv = get_alias(argv[0])
1094
argv[0] = alias_argv.pop(0)
1097
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
1100
run = cmd_obj.run_argv_aliases
1101
run_argv = [argv, alias_argv]
1104
# We can be called recursively (tests for example), but we don't want
1105
# the verbosity level to propagate.
1106
saved_verbosity_level = option._verbosity_level
1107
option._verbosity_level = 0
1109
if opt_coverage_dir:
1111
'--coverage ignored, because --lsprof is in use.')
1112
ret = apply_lsprofiled(opt_lsprof_file, run, *run_argv)
1114
if opt_coverage_dir:
1116
'--coverage ignored, because --profile is in use.')
1117
ret = apply_profiled(run, *run_argv)
1118
elif opt_coverage_dir:
1119
ret = apply_coveraged(opt_coverage_dir, run, *run_argv)
1121
ret = run(*run_argv)
1124
# reset, in case we may do other commands later within the same
1125
# process. Commands that want to execute sub-commands must propagate
1126
# --verbose in their own way.
1127
if 'memory' in debug.debug_flags:
1128
trace.debug_memory('Process status after command:', short=False)
1129
option._verbosity_level = saved_verbosity_level
1130
# Reset the overrides
1131
cmdline_overrides._reset()
1134
def display_command(func):
1135
"""Decorator that suppresses pipe/interrupt errors."""
1136
def ignore_pipe(*args, **kwargs):
1138
result = func(*args, **kwargs)
1142
if getattr(e, 'errno', None) is None:
1144
if e.errno != errno.EPIPE:
1145
# Win32 raises IOError with errno=0 on a broken pipe
1146
if sys.platform != 'win32' or (e.errno not in (0, errno.EINVAL)):
1149
except KeyboardInterrupt:
1154
def install_bzr_command_hooks():
1155
"""Install the hooks to supply bzr's own commands."""
1156
if _list_bzr_commands in Command.hooks["list_commands"]:
1158
Command.hooks.install_named_hook("list_commands", _list_bzr_commands,
1160
Command.hooks.install_named_hook("get_command", _get_bzr_command,
1162
Command.hooks.install_named_hook("get_command", _get_plugin_command,
1163
"bzr plugin commands")
1164
Command.hooks.install_named_hook("get_command", _get_external_command,
1165
"bzr external command lookup")
1166
Command.hooks.install_named_hook("get_missing_command",
1167
_try_plugin_provider,
1168
"bzr plugin-provider-db check")
1172
def _specified_or_unicode_argv(argv):
1173
# For internal or testing use, argv can be passed. Otherwise, get it from
1174
# the process arguments in a unicode-safe way.
1176
return osutils.get_unicode_argv()
1180
# ensure all arguments are unicode strings
1182
if isinstance(a, unicode):
1185
new_argv.append(a.decode('ascii'))
1186
except UnicodeDecodeError:
1187
raise errors.BzrError("argv should be list of unicode strings.")
1191
def main(argv=None):
1192
"""Main entry point of command-line interface.
1194
Typically `bzrlib.initialize` should be called first.
1196
:param argv: list of unicode command-line arguments similar to sys.argv.
1197
argv[0] is script name usually, it will be ignored.
1198
Don't pass here sys.argv because this list contains plain strings
1199
and not unicode; pass None instead.
1201
:return: exit code of bzr command.
1203
if argv is not None:
1205
_register_builtin_commands()
1206
ret = run_bzr_catch_errors(argv)
1207
trace.mutter("return code %d", ret)
1211
def run_bzr_catch_errors(argv):
1212
"""Run a bzr command with parameters as described by argv.
1214
This function assumed that that UI layer is setup, that symbol deprecations
1215
are already applied, and that unicode decoding has already been performed on argv.
1217
# done here so that they're covered for every test run
1218
install_bzr_command_hooks()
1219
return exception_to_return_code(run_bzr, argv)
1222
def run_bzr_catch_user_errors(argv):
1223
"""Run bzr and report user errors, but let internal errors propagate.
1225
This is used for the test suite, and might be useful for other programs
1226
that want to wrap the commandline interface.
1228
# done here so that they're covered for every test run
1229
install_bzr_command_hooks()
1231
return run_bzr(argv)
1232
except Exception, e:
1233
if (isinstance(e, (OSError, IOError))
1234
or not getattr(e, 'internal_error', True)):
1235
trace.report_exception(sys.exc_info(), sys.stderr)
1241
class HelpCommandIndex(object):
1242
"""A index for bzr help that returns commands."""
1245
self.prefix = 'commands/'
1247
def get_topics(self, topic):
1248
"""Search for topic amongst commands.
1250
:param topic: A topic to search for.
1251
:return: A list which is either empty or contains a single
1254
if topic and topic.startswith(self.prefix):
1255
topic = topic[len(self.prefix):]
1257
cmd = _get_cmd_object(topic, check_missing=False)
1264
class Provider(object):
1265
"""Generic class to be overriden by plugins"""
1267
def plugin_for_command(self, cmd_name):
1268
"""Takes a command and returns the information for that plugin
1270
:return: A dictionary with all the available information
1271
for the requested plugin
1273
raise NotImplementedError
1276
class ProvidersRegistry(registry.Registry):
1277
"""This registry exists to allow other providers to exist"""
1280
for key, provider in self.iteritems():
1283
command_providers_registry = ProvidersRegistry()
966
stats = hotshot.stats.load(pfname)
968
stats.sort_stats('time')
969
## XXX: Might like to write to stderr or the trace file instead but
970
## print_stats seems hardcoded to stdout
971
stats.print_stats(20)
979
cmdobj = cmd_class(cmdopts, cmdargs).status
982
def _report_exception(e, summary, quiet=False):
984
log_error('bzr: ' + summary)
985
bzrlib.trace.log_exception(e)
988
tb = sys.exc_info()[2]
989
exinfo = traceback.extract_tb(tb)
991
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
992
sys.stderr.write(' see ~/.bzr.log for debug information\n')
999
bzrlib.open_tracefile(argv)
1004
return run_bzr(argv)
1006
# do this here inside the exception wrappers to catch EPIPE
1009
quiet = isinstance(e, (BzrCommandError))
1010
_report_exception(e, 'error: ' + e.args[0], quiet=quiet)
1013
# some explanation or hints
1016
except AssertionError, e:
1017
msg = 'assertion failed'
1019
msg += ': ' + str(e)
1020
_report_exception(e, msg)
1022
except KeyboardInterrupt, e:
1023
_report_exception(e, 'interrupted', quiet=True)
1025
except Exception, e:
1027
if isinstance(e, IOError) and e.errno == errno.EPIPE:
1031
msg = str(e).rstrip('\n')
1032
_report_exception(e, msg, quiet)
1035
bzrlib.trace.close_trace()
1038
if __name__ == '__main__':
1039
sys.exit(main(sys.argv))
added
removed
bzrlib/commands.py
