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# Copyright (C) 2006 by Canonical Ltd
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# Copyright (C) 2004, 2005 by Martin Pool
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# Copyright (C) 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# TODO: probably should say which arguments are candidates for glob
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# expansion on windows and do that at the command level.
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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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# TODO: "--profile=cum", to change sort order. Is there any value in leaving
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# the profile output behind so it can be interactively examined?
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from warnings import warn
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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 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, types, shutil, tempfile, fnmatch, difflib, os.path
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from pprint import pprint
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from inspect import getdoc
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import bzrlib.errors as errors
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from bzrlib.errors import (BzrError,
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from bzrlib.option import Option
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from bzrlib.revisionspec import RevisionSpec
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from bzrlib.symbol_versioning import (deprecated_method, zero_eight)
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from bzrlib import trace
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from bzrlib.trace import mutter, note, log_error, warning, be_quiet
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def register_command(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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if k.startswith("cmd_"):
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k_unsquished = _unsquish_command_name(k)
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if not plugin_cmds.has_key(k_unsquished):
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plugin_cmds[k_unsquished] = cmd
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mutter('registered plugin command %s', k_unsquished)
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if decorate and k_unsquished in builtin_command_names():
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return _builtin_commands()[k_unsquished]
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result = plugin_cmds[k_unsquished]
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plugin_cmds[k_unsquished] = cmd
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log_error('Two plugins defined the same command: %r' % k)
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log_error('Not loading the one in %r' % sys.modules[cmd.__module__])
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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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assert cmd.startswith("cmd_")
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return cmd[4:].replace('_','-')
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def _builtin_commands():
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import bzrlib.builtins
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builtins = bzrlib.builtins.__dict__
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if name.startswith("cmd_"):
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real_name = _unsquish_command_name(name)
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r[real_name] = builtins[name]
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def builtin_command_names():
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"""Return list of builtin command names."""
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return _builtin_commands().keys()
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def plugin_command_names():
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return plugin_cmds.keys()
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def _get_cmd_dict(plugins_override=True):
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"""Return name->class mapping for all commands."""
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d = _builtin_commands()
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d.update(plugin_cmds)
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def get_all_cmds(plugins_override=True):
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"""Return canonical name and class for all registered commands."""
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for k, v in _get_cmd_dict(plugins_override=plugins_override).iteritems():
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def get_cmd_object(cmd_name, plugins_override=True):
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"""Return the canonical name and command class for a command.
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If true, plugin commands can override builtins.
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from bzrlib.externalcommand import ExternalCommand
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cmd_name = str(cmd_name) # not unicode
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# first look up this command under the specified name
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cmds = _get_cmd_dict(plugins_override=plugins_override)
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return cmds[cmd_name]()
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# look for any command which claims this as an alias
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for real_cmd_name, cmd_class in cmds.iteritems():
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if cmd_name in cmd_class.aliases:
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cmd_obj = ExternalCommand.find_command(cmd_name)
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raise BzrCommandError('unknown command "%s"' % cmd_name)
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class Command(object):
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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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Other accepted names for this command.
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List of argument forms, marked with whether they are optional,
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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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List of options that may be given for this command. These can
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be either strings, referring to globally-defined options,
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or option objects. Retrieve through options().
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If true, this command isn't advertised. This is typically
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for commands intended for expert users.
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Command objects will get a 'outf' attribute, which has been
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setup to properly handle encoding of unicode strings.
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encoding_type determines what will happen when characters cannot
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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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encoding_type = 'strict'
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"""Construct an instance of this command."""
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if self.__doc__ == Command.__doc__:
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warn("No help message set for %r" % self)
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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['help'] = Option.OPTIONS['help']
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for o in self.takes_options:
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if not isinstance(o, Option):
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o = Option.OPTIONS[o]
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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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assert self.encoding_type in ['strict', 'exact', 'replace']
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# Originally I was using self.stdout, but that looks
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# *way* too much like sys.stdout
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if self.encoding_type == 'exact':
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self.outf = sys.stdout
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output_encoding = bzrlib.osutils.get_terminal_encoding()
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# use 'replace' so that we don't abort if trying to write out
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# in e.g. the default C locale.
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self.outf = codecs.getwriter(output_encoding)(sys.stdout, errors=self.encoding_type)
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# For whatever reason codecs.getwriter() does not advertise its encoding
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# it just returns the encoding of the wrapped file, which is completely
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# bogus. So set the attribute, so we can find the correct encoding later.
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self.outf.encoding = output_encoding
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@deprecated_method(zero_eight)
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def run_argv(self, argv):
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"""Parse command line and run.
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See run_argv_aliases for the 0.8 and beyond api.
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return self.run_argv_aliases(argv)
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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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if 'help' in opts: # e.g. bzr add --help
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from bzrlib.help import help_on_command
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help_on_command(self.name())
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# XXX: This should be handled by the parser
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allowed_names = self.options().keys()
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if oname not in allowed_names:
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raise BzrOptionError("option '--%s' is not allowed for"
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" command %r" % (oname, self.name()))
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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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"""Actually run the command.
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This is invoked with the options and arguments bound to
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Return 0 or None if the command was successful, or a non-zero
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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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raise NotImplementedError('no implementation of command %r'
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"""Return help message for this class."""
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from inspect import getdoc
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if self.__doc__ is Command.__doc__:
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return _unsquish_command_name(self.__class__.__name__)
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def plugin_name(self):
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"""Get the name of the plugin that provides this command.
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:return: The name of the plugin or None if the command is builtin.
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mod_parts = self.__module__.split('.')
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if len(mod_parts) >= 3 and mod_parts[1] == 'plugins':
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def parse_spec(spec):
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>>> parse_spec("../@")
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>>> parse_spec("../f/@35")
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>>> parse_spec('./@revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67')
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['.', 'revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67']
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parsed = spec.split('/@')
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assert len(parsed) == 2
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parsed[1] = int(parsed[1])
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pass # We can allow stuff like ./@revid:blahblahblah
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parsed = [spec, None]
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def parse_args(command, argv, alias_argv=None):
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from bzrlib.store import ImmutableStore
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from bzrlib.trace import mutter, note, log_error
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from bzrlib.errors import bailout, BzrError, BzrCheckError
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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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BZR_DIFF_FORMAT = "## Bazaar-NG diff, format 0 ##\n"
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BZR_PATCHNAME_FORMAT = 'cset:sha1:%s'
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## standard representation
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NONE_STRING = '(none)'
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## TODO: Perhaps a different version of inventory commands that
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## returns iterators...
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## TODO: Perhaps an AtomicFile class that writes to a temporary file and then renames.
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## TODO: Some kind of locking on branches. Perhaps there should be a
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## parameter to the branch object saying whether we want a read or
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## write lock; release it from destructor. Perhaps don't even need a
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## read lock to look at immutable objects?
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## TODO: Perhaps make UUIDs predictable in test mode to make it easier
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## to compare output?
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## TODO: Some kind of global code to generate the right Branch object
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## to work on. Almost, but not quite all, commands need one, and it
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## can be taken either from their parameters or their working
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def get_cmd_handler(cmd):
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cmd = cmd_aliases.get(cmd, cmd)
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cmd_handler = globals()['cmd_' + cmd.replace('-', '_')]
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raise BzrError("unknown command %r" % cmd)
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return cmd, cmd_handler
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def cmd_status(all=False):
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"""Display status summary.
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For each file there is a single line giving its file state and name.
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The name is that in the current revision unless it is deleted or
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missing, in which case the old name is shown.
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#import bzrlib.status
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#bzrlib.status.tree_status(Branch('.'))
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Branch('.').show_status(show_all=all)
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######################################################################
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def cmd_get_revision(revision_id):
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Branch('.').get_revision(revision_id).write_xml(sys.stdout)
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def cmd_get_file_text(text_id):
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"""Get contents of a file by hash."""
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sf = Branch('.').text_store[text_id]
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pumpfile(sf, sys.stdout)
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######################################################################
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"""Show number of revisions on this branch"""
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print Branch('.').revno()
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def cmd_add(file_list, verbose=False):
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"""Add specified files or directories.
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In non-recursive mode, all the named items are added, regardless
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of whether they were previously ignored. A warning is given if
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any of the named files are already versioned.
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In recursive mode (the default), files are treated the same way
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but the behaviour for directories is different. Directories that
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are already versioned do not give a warning. All directories,
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whether already versioned or not, are searched for files or
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subdirectories that are neither versioned or ignored, and these
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are added. This search proceeds recursively into versioned
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Therefore simply saying 'bzr add .' will version all files that
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are currently unknown.
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TODO: Perhaps adding a file whose directly is not versioned should
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recursively add that parent, rather than giving an error?
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bzrlib.add.smart_add(file_list, verbose)
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def cmd_relpath(filename):
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"""Show path of file relative to root"""
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print Branch(filename).relpath(filename)
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def cmd_inventory(revision=None):
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"""Show inventory of the current working copy."""
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## TODO: Also optionally show a previous inventory
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## TODO: Format options
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inv = b.read_working_inventory()
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inv = b.get_revision_inventory(b.lookup_revision(revision))
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for path, entry in inv.iter_entries():
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print '%-50s %s' % (entry.file_id, path)
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# TODO: Maybe a 'mv' command that has the combined move/rename
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# special behaviour of Unix?
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def cmd_move(source_list, dest):
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b.move([b.relpath(s) for s in source_list], b.relpath(dest))
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def cmd_rename(from_name, to_name):
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"""Change the name of an entry.
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usage: bzr rename FROM_NAME TO_NAME
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bzr rename frob.c frobber.c
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bzr rename src/frob.c lib/frob.c
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It is an error if the destination name exists.
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See also the 'move' command, which moves files into a different
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directory without changing their name.
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TODO: Some way to rename multiple files without invoking bzr for each
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b.rename_one(b.relpath(from_name), b.relpath(to_name))
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def cmd_renames(dir='.'):
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"""Show list of renamed files.
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usage: bzr renames [BRANCH]
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TODO: Option to show renames between two historical versions.
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TODO: Only show renames under dir, rather than in the whole branch.
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old_inv = b.basis_tree().inventory
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new_inv = b.read_working_inventory()
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renames = list(bzrlib.tree.find_renames(old_inv, new_inv))
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for old_name, new_name in renames:
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print "%s => %s" % (old_name, new_name)
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"""info: Show statistical information for this branch
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info.show_info(Branch('.'))
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def cmd_remove(file_list, verbose=False):
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b = Branch(file_list[0])
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b.remove([b.relpath(f) for f in file_list], verbose=verbose)
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def cmd_file_id(filename):
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"""Print file_id of a particular file or directory.
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usage: bzr file-id FILE
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The file_id is assigned when the file is first added and remains the
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same through all revisions where the file exists, even when it is
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i = b.inventory.path2id(b.relpath(filename))
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bailout("%r is not a versioned file" % filename)
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def cmd_file_id_path(filename):
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"""Print path of file_ids to a file or directory.
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usage: bzr file-id-path FILE
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This prints one line for each directory down to the target,
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starting at the branch root."""
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fid = inv.path2id(b.relpath(filename))
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bailout("%r is not a versioned file" % filename)
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for fip in inv.get_idpath(fid):
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def cmd_revision_history():
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for patchid in Branch('.').revision_history():
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def cmd_directories():
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for name, ie in Branch('.').read_working_inventory().directories():
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for name, ie in Branch('.').working_tree().missing():
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# TODO: Check we're not already in a working directory? At the
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# moment you'll get an ugly error.
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# TODO: What if we're in a subdirectory of a branch? Would like
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# to allow that, but then the parent may need to understand that
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# the children have disappeared, or should they be versioned in
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# TODO: Take an argument/option for branch name.
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Branch('.', init=True)
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def cmd_diff(revision=None, file_list=None):
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"""bzr diff: Show differences in working tree.
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usage: bzr diff [-r REV] [FILE...]
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Show changes since REV, rather than predecessor.
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If files are listed, only the changes in those files are listed.
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Otherwise, all changes for the tree are listed.
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TODO: Given two revision arguments, show the difference between them.
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TODO: Allow diff across branches.
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TODO: Option to use external diff command; could be GNU diff, wdiff,
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TODO: Python difflib is not exactly the same as unidiff; should
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either fix it up or prefer to use an external diff.
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TODO: If a directory is given, diff everything under that.
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TODO: Selected-file diff is inefficient and doesn't show you
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TODO: This probably handles non-Unix newlines poorly.
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## TODO: Shouldn't be in the cmd function.
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old_tree = b.basis_tree()
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old_tree = b.revision_tree(b.lookup_revision(revision))
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new_tree = b.working_tree()
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# TODO: Options to control putting on a prefix or suffix, perhaps as a format string
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DEVNULL = '/dev/null'
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# Windows users, don't panic about this filename -- it is a
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# special signal to GNU patch that the file should be created or
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# deleted respectively.
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# TODO: Generation of pseudo-diffs for added/deleted files could
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# be usefully made into a much faster special case.
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# TODO: Better to return them in sorted order I think.
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file_list = [b.relpath(f) for f in file_list]
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# FIXME: If given a file list, compare only those files rather
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# than comparing everything and then throwing stuff away.
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for file_state, fid, old_name, new_name, kind in bzrlib.diff_trees(old_tree, new_tree):
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if file_list and (new_name not in file_list):
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# Don't show this by default; maybe do it if an option is passed
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# idlabel = ' {%s}' % fid
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# FIXME: Something about the diff format makes patch unhappy
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# with newly-added files.
422
def diffit(oldlines, newlines, **kw):
424
# FIXME: difflib is wrong if there is no trailing newline.
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# The syntax used by patch seems to be "\ No newline at
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# end of file" following the last diff line from that
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# file. This is not trivial to insert into the
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# unified_diff output and it might be better to just fix
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# or replace that function.
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# In the meantime we at least make sure the patch isn't
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# Special workaround for Python2.3, where difflib fails if
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# both sequences are empty.
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if not oldlines and not newlines:
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if oldlines and (oldlines[-1][-1] != '\n'):
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if newlines and (newlines[-1][-1] != '\n'):
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ud = difflib.unified_diff(oldlines, newlines, **kw)
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sys.stdout.writelines(ud)
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print "\\ No newline at end of file"
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sys.stdout.write('\n')
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if file_state in ['.', '?', 'I']:
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elif file_state == 'A':
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print '*** added %s %r' % (kind, new_name)
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new_tree.get_file(fid).readlines(),
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tofile=new_label + new_name + idlabel)
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elif file_state == 'D':
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assert isinstance(old_name, types.StringTypes)
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print '*** deleted %s %r' % (kind, old_name)
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diffit(old_tree.get_file(fid).readlines(), [],
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fromfile=old_label + old_name + idlabel,
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elif file_state in ['M', 'R']:
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if file_state == 'M':
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assert kind == 'file'
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assert old_name == new_name
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print '*** modified %s %r' % (kind, new_name)
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elif file_state == 'R':
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print '*** renamed %s %r => %r' % (kind, old_name, new_name)
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diffit(old_tree.get_file(fid).readlines(),
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new_tree.get_file(fid).readlines(),
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fromfile=old_label + old_name + idlabel,
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tofile=new_label + new_name)
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bailout("can't represent state %s {%s}" % (file_state, fid))
489
def cmd_deleted(show_ids=False):
490
"""List files deleted in the working tree.
492
TODO: Show files deleted since a previous revision, or between two revisions.
496
new = b.working_tree()
498
## TODO: Much more efficient way to do this: read in new
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## directories with readdir, rather than stating each one. Same
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## level of effort but possibly much less IO. (Or possibly not,
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## if the directories are very large...)
503
for path, ie in old.inventory.iter_entries():
504
if not new.has_id(ie.file_id):
506
print '%-50s %s' % (path, ie.file_id)
512
def cmd_parse_inventory():
515
cElementTree.ElementTree().parse(file('.bzr/inventory'))
519
def cmd_load_inventory():
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"""Load inventory for timing purposes"""
521
Branch('.').basis_tree().inventory
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def cmd_dump_inventory():
525
Branch('.').read_working_inventory().write_xml(sys.stdout)
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def cmd_dump_new_inventory():
529
import bzrlib.newinventory
530
inv = Branch('.').basis_tree().inventory
531
bzrlib.newinventory.write_inventory(inv, sys.stdout)
534
def cmd_load_new_inventory():
535
import bzrlib.newinventory
536
bzrlib.newinventory.read_new_inventory(sys.stdin)
539
def cmd_dump_slacker_inventory():
540
import bzrlib.newinventory
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inv = Branch('.').basis_tree().inventory
542
bzrlib.newinventory.write_slacker_inventory(inv, sys.stdout)
546
def cmd_dump_text_inventory():
547
import bzrlib.textinv
548
inv = Branch('.').basis_tree().inventory
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bzrlib.textinv.write_text_inventory(inv, sys.stdout)
552
def cmd_load_text_inventory():
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import bzrlib.textinv
554
inv = bzrlib.textinv.read_text_inventory(sys.stdin)
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print 'loaded %d entries' % len(inv)
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def cmd_root(filename=None):
560
"""Print the branch root."""
561
print bzrlib.branch.find_branch_root(filename)
564
def cmd_log(timezone='original', verbose=False):
565
"""Show log of this branch.
567
TODO: Options for utc; to show ids; to limit range; etc.
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Branch('.').write_log(show_timezone=timezone, verbose=verbose)
572
def cmd_ls(revision=None, verbose=False):
573
"""List files in a tree.
575
TODO: Take a revision or remote path and list that tree instead.
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tree = b.working_tree()
581
tree = b.revision_tree(b.lookup_revision(revision))
583
for fp, fc, kind, fid in tree.list_files():
585
if kind == 'directory':
592
print '%-8s %s%s' % (fc, fp, kindch)
599
"""List unknown files"""
600
for f in Branch('.').unknowns():
606
"""List ignored files and the patterns that matched them.
608
tree = Branch('.').working_tree()
609
for path, file_class, kind, file_id in tree.list_files():
610
if file_class != 'I':
612
## XXX: Slightly inefficient since this was already calculated
613
pat = tree.is_ignored(path)
614
print '%-50s %s' % (path, pat)
617
def cmd_lookup_revision(revno):
621
bailout("usage: lookup-revision REVNO",
622
["REVNO is a non-negative revision number for this branch"])
624
print Branch('.').lookup_revision(revno) or NONE_STRING
628
def cmd_export(revno, dest):
629
"""Export past revision to destination directory."""
631
rh = b.lookup_revision(int(revno))
632
t = b.revision_tree(rh)
635
def cmd_cat(revision, filename):
636
"""Print file to stdout."""
638
b.print_file(b.relpath(filename), int(revision))
641
######################################################################
642
# internal/test commands
646
"""Print a newly-generated UUID."""
647
print bzrlib.osutils.uuid()
651
def cmd_local_time_offset():
652
print bzrlib.osutils.local_time_offset()
656
def cmd_commit(message=None, verbose=False):
657
"""Commit changes to a new revision.
660
Description of changes in this revision; free form text.
661
It is recommended that the first line be a single-sentence
664
Show status of changed files,
666
TODO: Commit only selected files.
668
TODO: Run hooks on tree to-be-committed, and after commit.
670
TODO: Strict commit that fails if there are unknown or deleted files.
674
bailout("please specify a commit message")
675
Branch('.').commit(message, verbose=verbose)
678
def cmd_check(dir='.'):
679
"""check: Consistency check of branch history.
681
usage: bzr check [-v] [BRANCH]
684
--verbose, -v Show progress of checking.
686
This command checks various invariants about the branch storage to
687
detect data corruption or bzr bugs.
690
bzrlib.check.check(Branch(dir, find_root=False))
693
def cmd_is(pred, *rest):
694
"""Test whether PREDICATE is true."""
696
cmd_handler = globals()['assert_' + pred.replace('-', '_')]
698
bailout("unknown predicate: %s" % quotefn(pred))
702
except BzrCheckError:
703
# by default we don't print the message so that this can
704
# be used from shell scripts without producing noise
708
def cmd_whoami(email=False):
714
--email Show only the email address.
718
print bzrlib.osutils.user_email()
720
print bzrlib.osutils.username()
723
def cmd_gen_revision_id():
724
print bzrlib.branch._gen_revision_id(time.time())
728
"""Run internal test suite"""
729
## -v, if present, is seen by doctest; the argument is just here
730
## so our parser doesn't complain
732
## TODO: --verbose option
734
failures, tests = 0, 0
736
import doctest, bzrlib.store, bzrlib.tests
737
bzrlib.trace.verbose = False
739
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
740
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
741
mf, mt = doctest.testmod(m)
744
print '%-40s %3d tests' % (m.__name__, mt),
746
print '%3d FAILED!' % mf
750
print '%-40s %3d tests' % ('total', tests),
752
print '%3d FAILED!' % failures
759
cmd_doctest = cmd_selftest
762
######################################################################
766
def cmd_help(topic=None):
769
elif topic == 'commands':
772
# otherwise, maybe the name of a command?
773
topic, cmdfn = get_cmd_handler(topic)
777
bailout("sorry, no detailed help yet for %r" % topic)
783
"""List all commands"""
785
for k in globals().keys():
786
if k.startswith('cmd_'):
787
accu.append(k[4:].replace('_','-'))
789
print "bzr commands: "
792
print "note: some of these commands are internal-use or obsolete"
793
# TODO: Some kind of marker for internal-use commands?
794
# TODO: Show aliases?
800
print "bzr (bazaar-ng) %s" % bzrlib.__version__
801
print bzrlib.__copyright__
802
print "http://bazaar-ng.org/"
805
"""bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and
806
you may use, modify and redistribute it under the terms of the GNU
807
General Public License version 2 or later."""
811
"""Statement of optimism."""
812
print "it sure does!"
816
######################################################################
820
# list of all available options; the rhs can be either None for an
821
# option that takes no argument, or a constructor function that checks
842
# List of options that apply to particular commands; commands not
847
'commit': ['message', 'verbose'],
848
'deleted': ['show-ids'],
849
'diff': ['revision'],
850
'inventory': ['revision'],
851
'log': ['timezone', 'verbose'],
852
'ls': ['revision', 'verbose'],
853
'remove': ['verbose'],
864
'export': ['revno', 'dest'],
865
'file-id': ['filename'],
866
'file-id-path': ['filename'],
867
'get-file-text': ['text_id'],
868
'get-inventory': ['inventory_id'],
869
'get-revision': ['revision_id'],
870
'get-revision-inventory': ['revision_id'],
874
'lookup-revision': ['revno'],
875
'move': ['source$', 'dest'],
876
'relpath': ['filename'],
878
'rename': ['from_name', 'to_name'],
880
'root': ['filename?'],
885
def parse_args(argv):
350
886
"""Parse command line.
352
888
Arguments and options are parsed at this level before being passed
353
889
down to specific command handlers. This routine knows, from a
354
890
lookup table, something about the available options, what optargs
355
891
they take, and which commands will accept them.
893
>>> parse_args('--help'.split())
895
>>> parse_args('--version'.split())
896
([], {'version': True})
897
>>> parse_args('status --all'.split())
898
(['status'], {'all': True})
899
>>> parse_args('commit --message=biter'.split())
900
(['commit'], {'message': u'biter'})
357
# TODO: chop up this beast; make it a method of the Command
362
cmd_options = command.options()
364
proc_aliasarg = True # Are we processing alias_argv now?
365
for proc_argv in alias_argv, argv:
372
# We've received a standalone -- No more flags
376
# option names must not be unicode
380
mutter(" got option %r", a)
382
optname, optarg = a[2:].split('=', 1)
385
if optname not in cmd_options:
386
raise BzrCommandError('unknown option "%s"' % a)
389
if shortopt in Option.SHORT_OPTIONS:
390
# Multi-character options must have a space to delimit
392
# ^^^ what does this mean? mbp 20051014
393
optname = Option.SHORT_OPTIONS[shortopt].name
395
# Single character short options, can be chained,
396
# and have their value appended to their name
398
if shortopt not in Option.SHORT_OPTIONS:
399
# We didn't find the multi-character name, and we
400
# didn't find the single char name
401
raise BzrCommandError('unknown option "%s"' % a)
402
optname = Option.SHORT_OPTIONS[shortopt].name
405
# There are extra things on this option
406
# see if it is the value, or if it is another
408
optargfn = Option.OPTIONS[optname].type
410
# This option does not take an argument, so the
411
# next entry is another short option, pack it
413
proc_argv.insert(0, '-' + a[2:])
415
# This option takes an argument, so pack it
418
if optname not in cmd_options:
419
raise BzrCommandError('unknown option "%s"' % shortopt)
421
# XXX: Do we ever want to support this, e.g. for -r?
423
raise BzrCommandError('repeated option %r' % a)
424
elif optname in alias_opts:
425
# Replace what's in the alias with what's in the real
427
del alias_opts[optname]
429
proc_argv.insert(0, a)
432
raise BzrCommandError('repeated option %r' % a)
434
option_obj = cmd_options[optname]
435
optargfn = option_obj.type
439
raise BzrCommandError('option %r needs an argument' % a)
441
optarg = proc_argv.pop(0)
442
opts[optname] = optargfn(optarg)
444
alias_opts[optname] = optargfn(optarg)
447
raise BzrCommandError('option %r takes no argument' % optname)
450
alias_opts[optname] = True
453
proc_aliasarg = False # Done with alias argv
905
# TODO: Maybe handle '--' to end options?
910
# option names must not be unicode
914
mutter(" got option %r" % a)
916
optname, optarg = a[2:].split('=', 1)
919
if optname not in OPTIONS:
920
bailout('unknown long option %r' % a)
923
if shortopt not in SHORT_OPTIONS:
924
bailout('unknown short option %r' % a)
925
optname = SHORT_OPTIONS[shortopt]
928
# XXX: Do we ever want to support this, e.g. for -r?
929
bailout('repeated option %r' % a)
931
optargfn = OPTIONS[optname]
935
bailout('option %r needs an argument' % a)
938
opts[optname] = optargfn(optarg)
941
bailout('option %r takes no argument' % optname)
454
946
return args, opts
457
def _match_argform(cmd, takes_args, args):
950
def _match_args(cmd, args):
951
"""Check non-option arguments match required pattern.
953
>>> _match_args('status', ['asdasdsadasd'])
954
Traceback (most recent call last):
956
BzrError: ("extra arguments to command status: ['asdasdsadasd']", [])
957
>>> _match_args('add', ['asdasdsadasd'])
958
{'file_list': ['asdasdsadasd']}
959
>>> _match_args('add', 'abc def gj'.split())
960
{'file_list': ['abc', 'def', 'gj']}
962
# match argument pattern
963
argform = cmd_args.get(cmd, [])
965
# TODO: Need a way to express 'cp SRC... DEST', where it matches
460
# step through args and takes_args, allowing appropriate 0-many matches
461
for ap in takes_args:
968
# step through args and argform, allowing appropriate 0-many matches
462
970
argname = ap[:-1]
463
971
if ap[-1] == '?':
471
979
argdict[argname + '_list'] = None
472
980
elif ap[-1] == '+':
474
raise BzrCommandError("command %r needs one or more %s"
982
bailout("command %r needs one or more %s"
475
983
% (cmd, argname.upper()))
477
985
argdict[argname + '_list'] = args[:]
479
987
elif ap[-1] == '$': # all but one
480
988
if len(args) < 2:
481
raise BzrCommandError("command %r needs one or more %s"
989
bailout("command %r needs one or more %s"
482
990
% (cmd, argname.upper()))
483
991
argdict[argname + '_list'] = args[:-1]
486
994
# just a plain arg
489
raise BzrCommandError("command %r requires argument %s"
997
bailout("command %r requires argument %s"
490
998
% (cmd, argname.upper()))
492
1000
argdict[argname] = args.pop(0)
495
raise BzrCommandError("extra argument to command %s: %s"
1003
bailout("extra arguments to command %s: %r"
502
def apply_profiled(the_callable, *args, **kwargs):
506
pffileno, pfname = tempfile.mkstemp()
508
prof = hotshot.Profile(pfname)
510
ret = prof.runcall(the_callable, *args, **kwargs) or 0
513
stats = hotshot.stats.load(pfname)
515
stats.sort_stats('cum') # 'time'
516
## XXX: Might like to write to stderr or the trace file instead but
517
## print_stats seems hardcoded to stdout
518
stats.print_stats(20)
525
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
526
from bzrlib.lsprof import profile
528
ret, stats = profile(the_callable, *args, **kwargs)
534
cPickle.dump(stats, open(filename, 'w'), 2)
535
print 'Profile data written to %r.' % filename
540
"""Return an expanded alias, or None if no alias exists"""
542
alias = bzrlib.config.GlobalConfig().get_alias(cmd)
544
return alias.split(' ')
548
1010
def run_bzr(argv):
549
1011
"""Execute a command.
551
1013
This is similar to main(), but without all the trappings for
552
1014
logging and error handling.
555
The command-line arguments, without the program name from argv[0]
556
These should already be decoded. All library/test code calling
557
run_bzr should be passing valid strings (don't need decoding).
559
Returns a command status or raises an exception.
561
Special master options: these must come before the command because
562
they control how the command is interpreted.
565
Do not load plugin modules at all
571
Only use builtin commands. (Plugins are still allowed to change
575
Run under the Python hotshot profiler.
578
Run under the Python lsprof profiler.
582
opt_lsprof = opt_profile = opt_no_plugins = opt_builtin = \
583
opt_no_aliases = False
584
opt_lsprof_file = None
586
# --no-plugins is handled specially at a very early stage. We need
587
# to load plugins before doing other command parsing so that they
588
# can override commands, but this needs to happen first.
596
elif a == '--lsprof':
598
elif a == '--lsprof-file':
599
opt_lsprof_file = argv[i + 1]
601
elif a == '--no-plugins':
602
opt_no_plugins = True
603
elif a == '--no-aliases':
604
opt_no_aliases = True
605
elif a == '--builtin':
607
elif a in ('--quiet', '-q'):
615
from bzrlib.builtins import cmd_help
616
cmd_help().run_argv_aliases([])
619
if argv[0] == '--version':
620
from bzrlib.builtins import show_version
624
if not opt_no_plugins:
625
from bzrlib.plugin import load_plugins
628
from bzrlib.plugin import disable_plugins
633
if not opt_no_aliases:
634
alias_argv = get_alias(argv[0])
636
alias_argv = [a.decode(bzrlib.user_encoding) for a in alias_argv]
637
argv[0] = alias_argv.pop(0)
639
cmd = str(argv.pop(0))
641
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
642
if not getattr(cmd_obj.run_argv, 'is_deprecated', False):
643
run = cmd_obj.run_argv
646
run = cmd_obj.run_argv_aliases
647
run_argv = [argv, alias_argv]
1017
argv = [a.decode(bzrlib.user_encoding) for a in argv]
651
ret = apply_lsprofiled(opt_lsprof_file, run, *run_argv)
653
ret = apply_profiled(run, *run_argv)
658
# reset, in case we may do other commands later within the same process
661
def display_command(func):
662
"""Decorator that suppresses pipe/interrupt errors."""
663
def ignore_pipe(*args, **kwargs):
1020
args, opts = parse_args(argv[1:])
1022
# TODO: pass down other arguments in case they asked for
1023
# help on a command name?
1029
elif 'version' in opts:
1032
cmd = str(args.pop(0))
1034
log_error('usage: bzr COMMAND')
1035
log_error(' try "bzr help"')
1038
canonical_cmd, cmd_handler = get_cmd_handler(cmd)
1041
if 'profile' in opts:
1047
# check options are reasonable
1048
allowed = cmd_options.get(canonical_cmd, [])
1050
if oname not in allowed:
1051
bailout("option %r is not allowed for command %r"
1054
# TODO: give an error if there are any mandatory options which are
1055
# not specified? Or maybe there shouldn't be any "mandatory
1056
# options" (it is an oxymoron)
1058
# mix arguments and options into one dictionary
1059
cmdargs = _match_args(canonical_cmd, args)
1060
for k, v in opts.items():
1061
cmdargs[k.replace('-', '_')] = v
1065
pffileno, pfname = tempfile.mkstemp()
665
result = func(*args, **kwargs)
669
if not hasattr(e, 'errno'):
671
if e.errno != errno.EPIPE:
672
# Win32 raises IOError with errno=0 on a broken pipe
673
if sys.platform != 'win32' or e.errno != 0:
676
except KeyboardInterrupt:
1067
prof = hotshot.Profile(pfname)
1068
ret = prof.runcall(cmd_handler, **cmdargs) or 0
1071
import hotshot.stats
1072
stats = hotshot.stats.load(pfname)
1074
stats.sort_stats('time')
1075
## XXX: Might like to write to stderr or the trace file instead but
1076
## print_stats seems hardcoded to stdout
1077
stats.print_stats(20)
1085
return cmd_handler(**cmdargs) or 0
1089
def _report_exception(e, summary):
1091
log_error('bzr: ' + summary)
1092
bzrlib.trace.log_exception(e)
1093
tb = sys.exc_info()[2]
1094
exinfo = traceback.extract_tb(tb)
1096
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
1097
sys.stderr.write(' see ~/.bzr.log for debug information\n')
1100
def cmd_assert_fail():
1101
assert False, "always fails"
683
from bzrlib.ui.text import TextUIFactory
684
bzrlib.ui.ui_factory = TextUIFactory()
685
argv = [a.decode(bzrlib.user_encoding) for a in argv[1:]]
686
ret = run_bzr_catch_errors(argv)
687
mutter("return code %d", ret)
691
def run_bzr_catch_errors(argv):
1105
bzrlib.trace.create_tracefile(argv)
694
# do this here inside the exception wrappers to catch EPIPE
697
# used to handle AssertionError and KeyboardInterrupt
698
# specially here, but hopefully they're handled ok by the logger now
699
bzrlib.trace.report_exception(sys.exc_info(), sys.stderr)
700
if os.environ.get('BZR_PDB'):
701
print '**** entering debugger'
703
pdb.post_mortem(sys.exc_traceback)
1112
_report_exception(e, 'error: ' + e.args[0])
1115
# some explanation or hints
1118
except AssertionError, e:
1119
msg = 'assertion failed'
1121
msg += ': ' + str(e)
1122
_report_exception(e, msg)
1123
except Exception, e:
1124
_report_exception(e, 'exception: %s' % str(e).rstrip('\n'))
1127
bzrlib.trace.close_trace()
1129
## TODO: Trap AssertionError
1131
# TODO: Maybe nicer handling of IOError especially for broken pipe.
706
1135
if __name__ == '__main__':
707
1136
sys.exit(main(sys.argv))
added
removed
bzrlib/commands.py
