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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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Current limitation include:
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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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* Insufficient error handling.
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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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Interesting commands::
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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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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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import sys, os, random, time, sha, sets, types, re, shutil, tempfile
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import traceback, socket, fnmatch, difflib
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from pprint import pprint
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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.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
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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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## TODO: rename command, needed soon: check destination doesn't exist
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## either in working copy or tree; move working copy; update
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## inventory; write out
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## TODO: move command; check destination is a directory and will not
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## TODO: command to show renames, one per line, as to->from
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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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:todo: Don't show unchanged files unless ``--all`` is given?
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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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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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def cmd_mv(source_list, dest):
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b.rename([b.relpath(s) for s in source_list], b.relpath(dest))
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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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i = b.inventory.path2id(b.relpath(filename))
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bailout("%s is not a versioned file" % filename)
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def cmd_find_filename(fileid):
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n = find_filename(fileid)
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bailout("%s is not a live file id" % fileid)
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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):
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"""bzr diff: Show differences in working tree.
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usage: bzr diff [-r REV]
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Show changes since REV, rather than predecessor.
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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: Diff selected files.
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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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old_inv = old_tree.inventory
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new_inv = new_tree.inventory
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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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for file_state, fid, old_name, new_name, kind in bzrlib.diff_trees(old_tree, new_tree):
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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.
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def diffit(oldlines, newlines, **kw):
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# FIXME: difflib is wrong if there is no trailing newline.
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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 oldlines or newlines:
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sys.stdout.writelines(difflib.unified_diff(oldlines, newlines, **kw))
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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))
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def cmd_deleted(show_ids=False):
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"""List files deleted in the working tree.
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TODO: Show files deleted since a previous revision, or between two revisions.
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new = b.working_tree()
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## 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...)
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for path, ie in old.inventory.iter_entries():
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if not new.has_id(ie.file_id):
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print '%-50s %s' % (path, ie.file_id)
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def cmd_parse_inventory():
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cElementTree.ElementTree().parse(file('.bzr/inventory'))
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def cmd_load_inventory():
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inv = Branch('.').basis_tree().inventory
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def cmd_dump_new_inventory():
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import bzrlib.newinventory
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inv = Branch('.').basis_tree().inventory
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bzrlib.newinventory.write_inventory(inv, sys.stdout)
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def cmd_load_new_inventory():
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import bzrlib.newinventory
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bzrlib.newinventory.read_new_inventory(sys.stdin)
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def cmd_dump_slacker_inventory():
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import bzrlib.newinventory
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inv = Branch('.').basis_tree().inventory
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bzrlib.newinventory.write_slacker_inventory(inv, sys.stdout)
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def cmd_root(filename=None):
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"""Print the branch root."""
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print bzrlib.branch.find_branch_root(filename)
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def cmd_log(timezone='original'):
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"""Show log of this branch.
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:todo: Options for utc; to show ids; to limit range; etc.
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Branch('.').write_log(show_timezone=timezone)
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def cmd_ls(revision=None, verbose=False):
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"""List files in a tree.
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:todo: Take a revision or remote path and list that tree instead.
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tree = b.working_tree()
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tree = b.revision_tree(b.lookup_revision(revision))
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for fp, fc, kind, fid in tree.list_files():
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if kind == 'directory':
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print '%-8s %s%s' % (fc, fp, kindch)
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"""List unknown files"""
481
for f in Branch('.').unknowns():
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def cmd_ignored(verbose=True):
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"""List ignored files and the patterns that matched them.
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tree = Branch('.').working_tree()
490
for path, file_class, kind, id in tree.list_files():
491
if file_class != 'I':
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## XXX: Slightly inefficient since this was already calculated
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pat = tree.is_ignored(path)
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print '%-50s %s' % (path, pat)
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def cmd_lookup_revision(revno):
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bailout("usage: lookup-revision REVNO",
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["REVNO is a non-negative revision number for this branch"])
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print Branch('.').lookup_revision(revno) or NONE_STRING
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def cmd_export(revno, dest):
510
"""Export past revision to destination directory."""
512
rh = b.lookup_revision(int(revno))
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t = b.revision_tree(rh)
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######################################################################
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# internal/test commands
523
"""Print a newly-generated UUID."""
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print bzrlib.osutils.uuid()
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def cmd_local_time_offset():
529
print bzrlib.osutils.local_time_offset()
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def cmd_commit(message=None, verbose=False):
534
"""Commit changes to a new revision.
537
Description of changes in this revision; free form text.
538
It is recommended that the first line be a single-sentence
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Show status of changed files,
543
TODO: Commit only selected files.
545
TODO: Run hooks on tree to-be-committed, and after commit.
547
TODO: Strict commit that fails if there are unknown or deleted files.
551
bailout("please specify a commit message")
552
Branch('.').commit(message, verbose=verbose)
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def cmd_check(dir='.'):
556
"""check: Consistency check of branch history.
558
usage: bzr check [-v] [BRANCH]
561
--verbose, -v Show progress of checking.
563
This command checks various invariants about the branch storage to
564
detect data corruption or bzr bugs.
567
bzrlib.check.check(Branch(dir, find_root=False))
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def cmd_is(pred, *rest):
571
"""Test whether PREDICATE is true."""
573
cmd_handler = globals()['assert_' + pred.replace('-', '_')]
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bailout("unknown predicate: %s" % quotefn(pred))
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except BzrCheckError:
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# by default we don't print the message so that this can
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# be used from shell scripts without producing noise
586
print bzrlib.osutils.username()
589
def cmd_user_email():
590
print bzrlib.osutils.user_email()
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def cmd_gen_revision_id():
595
print bzrlib.branch._gen_revision_id(time.time())
598
def cmd_selftest(verbose=False):
599
"""Run internal test suite"""
600
## -v, if present, is seen by doctest; the argument is just here
601
## so our parser doesn't complain
603
## TODO: --verbose option
605
failures, tests = 0, 0
607
import doctest, bzrlib.store, bzrlib.tests
608
bzrlib.trace.verbose = False
610
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
611
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
612
mf, mt = doctest.testmod(m)
615
print '%-40s %3d tests' % (m.__name__, mt),
617
print '%3d FAILED!' % mf
621
print '%-40s %3d tests' % ('total', tests),
623
print '%3d FAILED!' % failures
630
cmd_doctest = cmd_selftest
633
######################################################################
637
def cmd_help(topic=None):
642
# otherwise, maybe the name of a command?
644
cmdfn = globals()['cmd_' + topic.replace('-', '_')]
646
bailout("no help for %r" % topic)
650
bailout("sorry, no detailed help yet for %r" % topic)
658
print "bzr (bazaar-ng) %s" % bzrlib.__version__
659
print bzrlib.__copyright__
660
print "http://bazaar-ng.org/"
663
"""bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and
664
you may use, modify and redistribute it under the terms of the GNU
665
General Public License version 2 or later."""
669
"""Statement of optimism."""
670
print "it sure does!"
674
######################################################################
678
# list of all available options; the rhs can be either None for an
679
# option that takes no argument, or a constructor function that checks
699
# List of options that apply to particular commands; commands not
703
'commit': ['message', 'verbose'],
704
'deleted': ['show-ids'],
705
'diff': ['revision'],
706
'inventory': ['revision'],
708
'ls': ['revision', 'verbose'],
709
'remove': ['verbose'],
718
'export': ['revno', 'dest'],
719
'file-id': ['filename'],
720
'get-file-text': ['text_id'],
721
'get-inventory': ['inventory_id'],
722
'get-revision': ['revision_id'],
723
'get-revision-inventory': ['revision_id'],
727
'lookup-revision': ['revno'],
728
'mv': ['source$', 'dest'],
729
'relpath': ['filename'],
732
'root': ['filename?'],
737
def parse_args(argv):
350
738
"""Parse command line.
352
740
Arguments and options are parsed at this level before being passed
353
741
down to specific command handlers. This routine knows, from a
354
742
lookup table, something about the available options, what optargs
355
743
they take, and which commands will accept them.
745
>>> parse_args('--help'.split())
747
>>> parse_args('--version'.split())
748
([], {'version': True})
749
>>> parse_args('status --all'.split())
750
(['status'], {'all': True})
751
>>> parse_args('commit --message=biter'.split())
752
(['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:
375
# We've received a standalone -- No more flags
379
# option names must not be unicode
383
mutter(" got option %r", a)
385
optname, optarg = a[2:].split('=', 1)
388
if optname not in cmd_options:
389
raise BzrCommandError('unknown option "%s"' % a)
392
if shortopt in Option.SHORT_OPTIONS:
393
# Multi-character options must have a space to delimit
395
# ^^^ what does this mean? mbp 20051014
396
optname = Option.SHORT_OPTIONS[shortopt].name
398
# Single character short options, can be chained,
399
# and have their value appended to their name
401
if shortopt not in Option.SHORT_OPTIONS:
402
# We didn't find the multi-character name, and we
403
# didn't find the single char name
404
raise BzrCommandError('unknown option "%s"' % a)
405
optname = Option.SHORT_OPTIONS[shortopt].name
408
# There are extra things on this option
409
# see if it is the value, or if it is another
411
optargfn = Option.OPTIONS[optname].type
413
# This option does not take an argument, so the
414
# next entry is another short option, pack it
416
proc_argv.insert(0, '-' + a[2:])
418
# This option takes an argument, so pack it
421
if optname not in cmd_options:
422
raise BzrCommandError('unknown option "%s"' % shortopt)
424
# XXX: Do we ever want to support this, e.g. for -r?
426
raise BzrCommandError('repeated option %r' % a)
427
elif optname in alias_opts:
428
# Replace what's in the alias with what's in the real
430
del alias_opts[optname]
432
proc_argv.insert(0, a)
435
raise BzrCommandError('repeated option %r' % a)
437
option_obj = cmd_options[optname]
438
optargfn = option_obj.type
442
raise BzrCommandError('option %r needs an argument' % a)
444
optarg = proc_argv.pop(0)
445
opts[optname] = optargfn(optarg)
447
alias_opts[optname] = optargfn(optarg)
450
raise BzrCommandError('option %r takes no argument' % optname)
453
alias_opts[optname] = True
456
proc_aliasarg = False # Done with alias argv
757
# TODO: Maybe handle '--' to end options?
764
mutter(" got option %r" % a)
766
optname, optarg = a[2:].split('=', 1)
769
if optname not in OPTIONS:
770
bailout('unknown long option %r' % a)
773
if shortopt not in SHORT_OPTIONS:
774
bailout('unknown short option %r' % a)
775
optname = SHORT_OPTIONS[shortopt]
778
# XXX: Do we ever want to support this, e.g. for -r?
779
bailout('repeated option %r' % a)
781
optargfn = OPTIONS[optname]
785
bailout('option %r needs an argument' % a)
788
opts[optname] = optargfn(optarg)
791
bailout('option %r takes no argument' % optname)
457
796
return args, opts
460
def _match_argform(cmd, takes_args, args):
800
def _match_args(cmd, args):
801
"""Check non-option arguments match required pattern.
803
>>> _match_args('status', ['asdasdsadasd'])
804
Traceback (most recent call last):
806
BzrError: ("extra arguments to command status: ['asdasdsadasd']", [])
807
>>> _match_args('add', ['asdasdsadasd'])
808
{'file_list': ['asdasdsadasd']}
809
>>> _match_args('add', 'abc def gj'.split())
810
{'file_list': ['abc', 'def', 'gj']}
812
# match argument pattern
813
argform = cmd_args.get(cmd, [])
815
# TODO: Need a way to express 'cp SRC... DEST', where it matches
463
# step through args and takes_args, allowing appropriate 0-many matches
464
for ap in takes_args:
818
# step through args and argform, allowing appropriate 0-many matches
465
820
argname = ap[:-1]
466
821
if ap[-1] == '?':
468
823
argdict[argname] = args.pop(0)
469
elif ap[-1] == '*': # all remaining arguments
471
argdict[argname + '_list'] = args[:]
474
argdict[argname + '_list'] = None
475
826
elif ap[-1] == '+':
477
raise BzrCommandError("command %r needs one or more %s"
828
bailout("command %r needs one or more %s"
478
829
% (cmd, argname.upper()))
480
831
argdict[argname + '_list'] = args[:]
482
833
elif ap[-1] == '$': # all but one
483
834
if len(args) < 2:
484
raise BzrCommandError("command %r needs one or more %s"
835
bailout("command %r needs one or more %s"
485
836
% (cmd, argname.upper()))
486
837
argdict[argname + '_list'] = args[:-1]
489
840
# just a plain arg
492
raise BzrCommandError("command %r requires argument %s"
843
bailout("command %r requires argument %s"
493
844
% (cmd, argname.upper()))
495
846
argdict[argname] = args.pop(0)
498
raise BzrCommandError("extra argument to command %s: %s"
849
bailout("extra arguments to command %s: %r"
505
def apply_profiled(the_callable, *args, **kwargs):
509
pffileno, pfname = tempfile.mkstemp()
511
prof = hotshot.Profile(pfname)
513
ret = prof.runcall(the_callable, *args, **kwargs) or 0
516
stats = hotshot.stats.load(pfname)
518
stats.sort_stats('cum') # 'time'
519
## XXX: Might like to write to stderr or the trace file instead but
520
## print_stats seems hardcoded to stdout
521
stats.print_stats(20)
528
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
529
from bzrlib.lsprof import profile
531
ret, stats = profile(the_callable, *args, **kwargs)
537
cPickle.dump(stats, open(filename, 'w'), 2)
538
print 'Profile data written to %r.' % filename
543
"""Return an expanded alias, or None if no alias exists"""
545
alias = bzrlib.config.GlobalConfig().get_alias(cmd)
547
return alias.split(' ')
551
856
def run_bzr(argv):
552
857
"""Execute a command.
554
859
This is similar to main(), but without all the trappings for
555
logging and error handling.
558
The command-line arguments, without the program name from argv[0]
559
These should already be decoded. All library/test code calling
560
run_bzr should be passing valid strings (don't need decoding).
562
Returns a command status or raises an exception.
564
Special master options: these must come before the command because
565
they control how the command is interpreted.
568
Do not load plugin modules at all
574
Only use builtin commands. (Plugins are still allowed to change
578
Run under the Python hotshot profiler.
581
Run under the Python lsprof profiler.
860
logging and error handling.
585
opt_lsprof = opt_profile = opt_no_plugins = opt_builtin = \
586
opt_no_aliases = False
587
opt_lsprof_file = None
589
# --no-plugins is handled specially at a very early stage. We need
590
# to load plugins before doing other command parsing so that they
591
# can override commands, but this needs to happen first.
599
elif a == '--lsprof':
601
elif a == '--lsprof-file':
603
opt_lsprof_file = argv[i + 1]
605
elif a == '--no-plugins':
606
opt_no_plugins = True
607
elif a == '--no-aliases':
608
opt_no_aliases = True
609
elif a == '--builtin':
611
elif a in ('--quiet', '-q'):
619
from bzrlib.builtins import cmd_help
620
cmd_help().run_argv_aliases([])
623
if argv[0] == '--version':
624
from bzrlib.builtins import show_version
628
if not opt_no_plugins:
629
from bzrlib.plugin import load_plugins
632
from bzrlib.plugin import disable_plugins
637
if not opt_no_aliases:
638
alias_argv = get_alias(argv[0])
640
alias_argv = [a.decode(bzrlib.user_encoding) for a in alias_argv]
641
argv[0] = alias_argv.pop(0)
643
cmd = str(argv.pop(0))
645
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
646
if not getattr(cmd_obj.run_argv, 'is_deprecated', False):
647
run = cmd_obj.run_argv
650
run = cmd_obj.run_argv_aliases
651
run_argv = [argv, alias_argv]
655
ret = apply_lsprofiled(opt_lsprof_file, run, *run_argv)
657
ret = apply_profiled(run, *run_argv)
662
# reset, in case we may do other commands later within the same process
665
def display_command(func):
666
"""Decorator that suppresses pipe/interrupt errors."""
667
def ignore_pipe(*args, **kwargs):
669
result = func(*args, **kwargs)
673
if not hasattr(e, 'errno'):
675
if e.errno != errno.EPIPE:
676
# Win32 raises IOError with errno=0 on a broken pipe
677
if sys.platform != 'win32' or e.errno != 0:
680
except KeyboardInterrupt:
863
args, opts = parse_args(argv[1:])
865
# TODO: pass down other arguments in case they asked for
866
# help on a command name?
872
elif 'version' in opts:
877
log_error('usage: bzr COMMAND\n')
878
log_error(' try "bzr help"\n')
882
cmd_handler = globals()['cmd_' + cmd.replace('-', '_')]
884
bailout("unknown command " + `cmd`)
887
if 'profile' in opts:
893
# check options are reasonable
894
allowed = cmd_options.get(cmd, [])
896
if oname not in allowed:
897
bailout("option %r is not allowed for command %r"
900
# mix arguments and options into one dictionary
901
cmdargs = _match_args(cmd, args)
902
for k, v in opts.items():
903
cmdargs[k.replace('-', '_')] = v
907
prof = hotshot.Profile('.bzr.profile')
908
ret = prof.runcall(cmd_handler, **cmdargs) or 0
912
stats = hotshot.stats.load('.bzr.profile')
914
stats.sort_stats('time')
915
stats.print_stats(20)
917
return cmd_handler(**cmdargs) or 0
687
from bzrlib.ui.text import TextUIFactory
688
bzrlib.ui.ui_factory = TextUIFactory()
689
argv = [a.decode(bzrlib.user_encoding) for a in argv[1:]]
690
ret = run_bzr_catch_errors(argv)
691
mutter("return code %d", ret)
695
def run_bzr_catch_errors(argv):
922
## TODO: Handle command-line options; probably know what options are valid for
925
## TODO: If the arguments are wrong, give a usage message rather
926
## than just a backtrace.
928
bzrlib.trace.create_tracefile(argv)
698
# do this here inside the exception wrappers to catch EPIPE
934
log_error('bzr: error: ' + e.args[0] + '\n')
937
log_error(' ' + h + '\n')
700
939
except Exception, e:
701
# used to handle AssertionError and KeyboardInterrupt
702
# specially here, but hopefully they're handled ok by the logger now
703
bzrlib.trace.report_exception(sys.exc_info(), sys.stderr)
704
if os.environ.get('BZR_PDB'):
705
print '**** entering debugger'
707
pdb.post_mortem(sys.exc_traceback)
940
log_error('bzr: exception: %s\n' % e)
941
log_error(' see .bzr.log for details\n')
942
traceback.print_exc(None, bzrlib.trace._tracefile)
943
traceback.print_exc(None, sys.stderr)
946
# TODO: Maybe nicer handling of IOError?
710
950
if __name__ == '__main__':
711
951
sys.exit(main(sys.argv))
953
##profile.run('main(sys.argv)')
added
removed
bzrlib/commands.py
