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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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# Copyright (C) 2005-2011 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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"""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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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
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# TODO: Define arguments by objects, rather than just using names.
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# Those objects can specify the expected type of the argument, which
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# would help with validation and shell completion. They could also provide
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# help/explanation for that argument in a structured way.
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# TODO: Specific "examples" property on commands for consistent formatting.
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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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.
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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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# 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))
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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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"""Load inventory for timing purposes"""
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Branch('.').basis_tree().inventory
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def cmd_dump_inventory():
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Branch('.').read_working_inventory().write_xml(sys.stdout)
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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_dump_text_inventory():
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import bzrlib.textinv
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inv = Branch('.').basis_tree().inventory
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bzrlib.textinv.write_text_inventory(inv, sys.stdout)
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def cmd_load_text_inventory():
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import bzrlib.textinv
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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):
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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', verbose=False):
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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, verbose=verbose)
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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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from bzrlib.hooks import Hooks
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from bzrlib.i18n import gettext
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# Compatibility - Option used to be in commands.
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from bzrlib.option import Option
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from bzrlib.plugin import disable_plugins, load_plugins
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from bzrlib import registry
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class CommandInfo(object):
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"""Information about a command."""
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def __init__(self, aliases):
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"""The list of aliases for the command."""
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self.aliases = aliases
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def from_command(klass, command):
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"""Factory to construct a CommandInfo from a command."""
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return klass(command.aliases)
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class CommandRegistry(registry.Registry):
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"""Special registry mapping command names to command classes.
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:ivar overridden_registry: Look in this registry for commands being
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overridden by this registry. This can be used to tell plugin commands
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about the builtin they're decorating.
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registry.Registry.__init__(self)
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self.overridden_registry = None
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# map from aliases to the real command that implements the name
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def get(self, command_name):
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real_name = self._alias_dict.get(command_name, command_name)
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return registry.Registry.get(self, real_name)
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def _get_name(command_name):
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if command_name.startswith("cmd_"):
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return _unsquish_command_name(command_name)
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def register(self, cmd, decorate=False):
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"""Utility function to help register a command
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:param cmd: Command subclass to register
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:param decorate: If true, allow overriding an existing command
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of the same name; the old command is returned by this function.
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Otherwise it is an error to try to override an existing command.
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k_unsquished = self._get_name(k)
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previous = self.get(k_unsquished)
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if self.overridden_registry:
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previous = self.overridden_registry.get(k_unsquished)
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info = CommandInfo.from_command(cmd)
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registry.Registry.register(self, k_unsquished, cmd,
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override_existing=decorate, info=info)
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trace.warning('Two plugins defined the same command: %r' % k)
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trace.warning('Not loading the one in %r' %
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sys.modules[cmd.__module__])
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trace.warning('Previously this command was registered from %r' %
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sys.modules[previous.__module__])
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for a in cmd.aliases:
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self._alias_dict[a] = k_unsquished
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def register_lazy(self, command_name, aliases, module_name):
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"""Register a command without loading its module.
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:param command_name: The primary name of the command.
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:param aliases: A list of aliases for the command.
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:module_name: The module that the command lives in.
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key = self._get_name(command_name)
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registry.Registry.register_lazy(self, key, module_name, command_name,
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info=CommandInfo(aliases))
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self._alias_dict[a] = key
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plugin_cmds = CommandRegistry()
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builtin_command_registry = CommandRegistry()
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plugin_cmds.overridden_registry = builtin_command_registry
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def register_command(cmd, decorate=False):
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"""Register a plugin command.
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Should generally be avoided in favor of lazy registration.
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return plugin_cmds.register(cmd, decorate)
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def _squish_command_name(cmd):
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return 'cmd_' + cmd.replace('-', '_')
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def _unsquish_command_name(cmd):
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return cmd[4:].replace('_','-')
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def _register_builtin_commands():
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if builtin_command_registry.keys():
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import bzrlib.builtins
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for cmd_class in _scan_module_for_commands(bzrlib.builtins).values():
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builtin_command_registry.register(cmd_class)
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bzrlib.builtins._register_lazy_builtins()
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def _scan_module_for_commands(module):
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for name, obj in module.__dict__.iteritems():
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if name.startswith("cmd_"):
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real_name = _unsquish_command_name(name)
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def _list_bzr_commands(names):
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"""Find commands from bzr's core and plugins.
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This is not the public interface, just the default hook called by all_command_names.
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# to eliminate duplicates
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names.update(builtin_command_names())
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names.update(plugin_command_names())
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def all_command_names():
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"""Return a set of all command names."""
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for hook in Command.hooks['list_commands']:
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raise AssertionError(
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'hook %s returned None' % Command.hooks.get_hook_name(hook))
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def builtin_command_names():
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"""Return list of builtin command names.
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Use of all_command_names() is encouraged rather than builtin_command_names
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and/or plugin_command_names.
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_register_builtin_commands()
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return builtin_command_registry.keys()
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def plugin_command_names():
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"""Returns command names from commands registered by plugins."""
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return plugin_cmds.keys()
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def get_cmd_object(cmd_name, plugins_override=True):
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"""Return the command object for a command.
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If true, plugin commands can override builtins.
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return _get_cmd_object(cmd_name, plugins_override)
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raise errors.BzrCommandError(gettext('unknown command "%s"') % cmd_name)
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def _get_cmd_object(cmd_name, plugins_override=True, check_missing=True):
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"""Get a command object.
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:param cmd_name: The name of the command.
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:param plugins_override: Allow plugins to override builtins.
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:param check_missing: Look up commands not found in the regular index via
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the get_missing_command hook.
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:return: A Command object instance
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:raises KeyError: If no command is found.
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# We want only 'ascii' command names, but the user may have typed
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# in a Unicode name. In that case, they should just get a
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# 'command not found' error later.
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# In the future, we may actually support Unicode command names.
248
for hook in Command.hooks['get_command']:
249
cmd = hook(cmd, cmd_name)
250
if cmd is not None and not plugins_override and not cmd.plugin_name():
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# We've found a non-plugin command, don't permit it to be
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if cmd is None and check_missing:
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for hook in Command.hooks['get_missing_command']:
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# Allow plugins to extend commands
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for hook in Command.hooks['extend_command']:
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if getattr(cmd, 'invoked_as', None) is None:
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cmd.invoked_as = cmd_name
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def _try_plugin_provider(cmd_name):
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"""Probe for a plugin provider having cmd_name."""
273
plugin_metadata, provider = probe_for_provider(cmd_name)
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raise errors.CommandAvailableInPlugin(cmd_name,
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plugin_metadata, provider)
276
except errors.NoPluginAvailable:
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def probe_for_provider(cmd_name):
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"""Look for a provider for cmd_name.
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:param cmd_name: The command name.
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:return: plugin_metadata, provider for getting cmd_name.
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:raises NoPluginAvailable: When no provider can supply the plugin.
287
# look for providers that provide this command but aren't installed
288
for provider in command_providers_registry:
290
return provider.plugin_for_command(cmd_name), provider
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except errors.NoPluginAvailable:
293
raise errors.NoPluginAvailable(cmd_name)
296
def _get_bzr_command(cmd_or_None, cmd_name):
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"""Get a command from bzr's core."""
299
cmd_class = builtin_command_registry.get(cmd_name)
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def _get_external_command(cmd_or_None, cmd_name):
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"""Lookup a command that is a shell script."""
309
# Only do external command lookups when no command is found so far.
310
if cmd_or_None is not None:
312
from bzrlib.externalcommand import ExternalCommand
313
cmd_obj = ExternalCommand.find_command(cmd_name)
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def _get_plugin_command(cmd_or_None, cmd_name):
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"""Get a command from bzr's plugins."""
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return plugin_cmds.get(cmd_name)()
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for key in plugin_cmds.keys():
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info = plugin_cmds.get_info(key)
326
if cmd_name in info.aliases:
327
return plugin_cmds.get(key)()
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class Command(object):
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"""Base class for commands.
334
Commands are the heart of the command-line bzr interface.
336
The command object mostly handles the mapping of command-line
337
parameters into one or more bzrlib operations, and of the results
340
Commands normally don't have any state. All their arguments are
341
passed in to the run method. (Subclasses may take a different
342
policy if the behaviour of the instance needs to depend on e.g. a
343
shell plugin and not just its Python class.)
345
The docstring for an actual command should give a single-line
346
summary, then a complete description of the command. A grammar
347
description will be inserted.
349
:cvar aliases: Other accepted names for this command.
351
:cvar takes_args: List of argument forms, marked with whether they are
352
optional, repeated, etc. Examples::
354
['to_location', 'from_branch?', 'file*']
356
* 'to_location' is required
357
* 'from_branch' is optional
358
* 'file' can be specified 0 or more times
360
:cvar takes_options: List of options that may be given for this command.
361
These can be either strings, referring to globally-defined options, or
362
option objects. Retrieve through options().
364
:cvar hidden: If true, this command isn't advertised. This is typically
365
for commands intended for expert users.
367
:cvar encoding_type: Command objects will get a 'outf' attribute, which has
368
been setup to properly handle encoding of unicode strings.
369
encoding_type determines what will happen when characters cannot be
372
* strict - abort if we cannot decode
373
* replace - put in a bogus character (typically '?')
374
* exact - do not encode sys.stdout
376
NOTE: by default on Windows, sys.stdout is opened as a text stream,
377
therefore LF line-endings are converted to CRLF. When a command uses
378
encoding_type = 'exact', then sys.stdout is forced to be a binary
379
stream, and line-endings will not mangled.
382
A string indicating the real name under which this command was
383
invoked, before expansion of aliases.
384
(This may be None if the command was constructed and run in-process.)
386
:cvar hooks: An instance of CommandHooks.
388
:cvar __doc__: The help shown by 'bzr help command' for this command.
389
This is set by assigning explicitly to __doc__ so that -OO can
393
__doc__ = "My help goes here"
398
encoding_type = 'strict'
405
"""Construct an instance of this command."""
406
# List of standard options directly supported
407
self.supported_std_options = []
410
def add_cleanup(self, cleanup_func, *args, **kwargs):
411
"""Register a function to call after self.run returns or raises.
413
Functions will be called in LIFO order.
415
self._operation.add_cleanup(cleanup_func, *args, **kwargs)
417
def cleanup_now(self):
418
"""Execute and empty pending cleanup functions immediately.
420
After cleanup_now all registered cleanups are forgotten. add_cleanup
421
may be called again after cleanup_now; these cleanups will be called
422
after self.run returns or raises (or when cleanup_now is next called).
424
This is useful for releasing expensive or contentious resources (such
425
as write locks) before doing further work that does not require those
426
resources (such as writing results to self.outf). Note though, that
427
as it releases all resources, this may release locks that the command
428
wants to hold, so use should be done with care.
430
self._operation.cleanup_now()
433
"""Return single-line grammar for this command.
435
Only describes arguments, not options.
437
s = 'bzr ' + self.name() + ' '
438
for aname in self.takes_args:
439
aname = aname.upper()
440
if aname[-1] in ['$', '+']:
441
aname = aname[:-1] + '...'
442
elif aname[-1] == '?':
443
aname = '[' + aname[:-1] + ']'
444
elif aname[-1] == '*':
445
aname = '[' + aname[:-1] + '...]'
447
s = s[:-1] # remove last space
450
def get_help_text(self, additional_see_also=None, plain=True,
451
see_also_as_links=False, verbose=True):
452
"""Return a text string with help for this command.
454
:param additional_see_also: Additional help topics to be
456
:param plain: if False, raw help (reStructuredText) is
457
returned instead of plain text.
458
:param see_also_as_links: if True, convert items in 'See also'
459
list to internal links (used by bzr_man rstx generator)
460
:param verbose: if True, display the full help, otherwise
461
leave out the descriptive sections and just display
462
usage help (e.g. Purpose, Usage, Options) with a
463
message explaining how to obtain full help.
466
i18n.install() # Install i18n only for get_help_text for now.
469
# Note: If self.gettext() translates ':Usage:\n', the section will
470
# be shown after "Description" section and we don't want to
471
# translate the usage string.
472
# Though, bzr export-pot don't exports :Usage: section and it must
474
doc = self.gettext(doc)
476
doc = gettext("No help for this command.")
478
# Extract the summary (purpose) and sections out from the text
479
purpose,sections,order = self._get_help_parts(doc)
481
# If a custom usage section was provided, use it
482
if sections.has_key('Usage'):
483
usage = sections.pop('Usage')
485
usage = self._usage()
487
# The header is the purpose and usage
489
result += gettext(':Purpose: %s\n') % (purpose,)
490
if usage.find('\n') >= 0:
491
result += gettext(':Usage:\n%s\n') % (usage,)
493
result += gettext(':Usage: %s\n') % (usage,)
498
# XXX: optparse implicitly rewraps the help, and not always perfectly,
499
# so we get <https://bugs.launchpad.net/bzr/+bug/249908>. -- mbp
501
parser = option.get_optparser(self.options())
502
options = parser.format_option_help()
503
# FIXME: According to the spec, ReST option lists actually don't
504
# support options like --1.14 so that causes syntax errors (in Sphinx
505
# at least). As that pattern always appears in the commands that
506
# break, we trap on that and then format that block of 'format' options
507
# as a literal block. We use the most recent format still listed so we
508
# don't have to do that too often -- vila 20110514
509
if not plain and options.find(' --1.14 ') != -1:
510
options = options.replace(' format:\n', ' format::\n\n', 1)
511
if options.startswith('Options:'):
512
result += gettext(':Options:%s') % (options[len('options:'):],)
585
if kind == 'directory':
518
# Add the description, indenting it 2 spaces
519
# to match the indentation of the options
520
if sections.has_key(None):
521
text = sections.pop(None)
522
text = '\n '.join(text.splitlines())
523
result += gettext(':Description:\n %s\n\n') % (text,)
525
# Add the custom sections (e.g. Examples). Note that there's no need
526
# to indent these as they must be indented already in the source.
529
if label in sections:
530
result += ':%s:\n%s\n' % (label, sections[label])
533
result += (gettext("See bzr help %s for more details and examples.\n\n")
536
# Add the aliases, source (plug-in) and see also links, if any
538
result += gettext(':Aliases: ')
539
result += ', '.join(self.aliases) + '\n'
540
plugin_name = self.plugin_name()
541
if plugin_name is not None:
542
result += gettext(':From: plugin "%s"\n') % plugin_name
543
see_also = self.get_see_also(additional_see_also)
545
if not plain and see_also_as_links:
547
for item in see_also:
549
# topics doesn't have an independent section
550
# so don't create a real link
551
see_also_links.append(item)
553
# Use a Sphinx link for this entry
554
link_text = gettext(":doc:`{0} <{1}-help>`").format(
556
see_also_links.append(link_text)
557
see_also = see_also_links
558
result += gettext(':See also: %s') % ', '.join(see_also) + '\n'
560
# If this will be rendered as plain text, convert it
562
import bzrlib.help_topics
563
result = bzrlib.help_topics.help_as_plain_text(result)
567
def _get_help_parts(text):
568
"""Split help text into a summary and named sections.
570
:return: (summary,sections,order) where summary is the top line and
571
sections is a dictionary of the rest indexed by section name.
572
order is the order the section appear in the text.
573
A section starts with a heading line of the form ":xxx:".
574
Indented text on following lines is the section value.
575
All text found outside a named section is assigned to the
576
default section which is given the key of None.
578
def save_section(sections, order, label, section):
580
if sections.has_key(label):
581
sections[label] += '\n' + section
584
sections[label] = section
586
lines = text.rstrip().splitlines()
587
summary = lines.pop(0)
590
label,section = None,''
592
if line.startswith(':') and line.endswith(':') and len(line) > 2:
593
save_section(sections, order, label, section)
594
label,section = line[1:-1],''
595
elif (label is not None) and len(line) > 1 and not line[0].isspace():
596
save_section(sections, order, label, section)
597
label,section = None,line
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):
600
section += '\n' + line
603
save_section(sections, order, label, section)
604
return summary, sections, order
606
def get_help_topic(self):
607
"""Return the commands help topic - its name."""
610
def get_see_also(self, additional_terms=None):
611
"""Return a list of help topics that are related to this command.
613
The list is derived from the content of the _see_also attribute. Any
614
duplicates are removed and the result is in lexical order.
615
:param additional_terms: Additional help topics to cross-reference.
616
:return: A list of help topics.
618
see_also = set(getattr(self, '_see_also', []))
620
see_also.update(additional_terms)
621
return sorted(see_also)
624
"""Return dict of valid options for this command.
626
Maps from long option name to option object."""
627
r = Option.STD_OPTIONS.copy()
629
for o in self.takes_options:
630
if isinstance(o, basestring):
631
o = option.Option.OPTIONS[o]
633
if o.name in std_names:
634
self.supported_std_options.append(o.name)
637
def _setup_outf(self):
638
"""Return a file linked to stdout, which has proper encoding."""
639
self.outf = ui.ui_factory.make_output_stream(
640
encoding_type=self.encoding_type)
642
def run_argv_aliases(self, argv, alias_argv=None):
643
"""Parse the command line and run with extra aliases in alias_argv."""
644
args, opts = parse_args(self, argv, alias_argv)
647
# Process the standard options
648
if 'help' in opts: # e.g. bzr add --help
649
self.outf.write(self.get_help_text())
651
if 'usage' in opts: # e.g. bzr add --usage
652
self.outf.write(self.get_help_text(verbose=False))
654
trace.set_verbosity_level(option._verbosity_level)
655
if 'verbose' in self.supported_std_options:
656
opts['verbose'] = trace.is_verbose()
657
elif opts.has_key('verbose'):
659
if 'quiet' in self.supported_std_options:
660
opts['quiet'] = trace.is_quiet()
661
elif opts.has_key('quiet'):
663
# mix arguments and options into one dictionary
664
cmdargs = _match_argform(self.name(), self.takes_args, args)
666
for k, v in opts.items():
667
cmdopts[k.replace('-', '_')] = v
669
all_cmd_args = cmdargs.copy()
670
all_cmd_args.update(cmdopts)
673
return self.run(**all_cmd_args)
675
# reset it, so that other commands run in the same process won't
676
# inherit state. Before we reset it, log any activity, so that it
677
# gets properly tracked.
678
ui.ui_factory.log_transport_activity(
679
display=('bytes' in debug.debug_flags))
680
trace.set_verbosity_level(0)
682
def _setup_run(self):
683
"""Wrap the defined run method on self with a cleanup.
685
This is called by __init__ to make the Command be able to be run
686
by just calling run(), as it could be before cleanups were added.
688
If a different form of cleanups are in use by your Command subclass,
689
you can override this method.
692
def run(*args, **kwargs):
693
self._operation = cleanup.OperationWithCleanups(class_run)
695
return self._operation.run_simple(*args, **kwargs)
701
"""Actually run the command.
703
This is invoked with the options and arguments bound to
706
Return 0 or None if the command was successful, or a non-zero
707
shell error code if not. It's OK for this method to allow
708
an exception to raise up.
710
This method is automatically wrapped by Command.__init__ with a
711
cleanup operation, stored as self._operation. This can be used
712
via self.add_cleanup to perform automatic cleanups at the end of
715
The argument for run are assembled by introspection. So for instance,
716
if your command takes an argument files, you would declare::
718
def run(self, files=None):
721
raise NotImplementedError('no implementation of command %r'
725
"""Return help message for this class."""
726
from inspect import getdoc
727
if self.__doc__ is Command.__doc__:
731
def gettext(self, message):
732
"""Returns the gettext function used to translate this command's help.
734
Commands provided by plugins should override this to use their
737
return i18n.gettext_per_paragraph(message)
740
"""Return the canonical name for this command.
742
The name under which it was actually invoked is available in invoked_as.
744
return _unsquish_command_name(self.__class__.__name__)
746
def plugin_name(self):
747
"""Get the name of the plugin that provides this command.
749
:return: The name of the plugin or None if the command is builtin.
751
mod_parts = self.__module__.split('.')
752
if len(mod_parts) >= 3 and mod_parts[1] == 'plugins':
758
class CommandHooks(Hooks):
759
"""Hooks related to Command object creation/enumeration."""
762
"""Create the default hooks.
764
These are all empty initially, because by default nothing should get
767
Hooks.__init__(self, "bzrlib.commands", "Command.hooks")
768
self.add_hook('extend_command',
769
"Called after creating a command object to allow modifications "
770
"such as adding or removing options, docs etc. Called with the "
771
"new bzrlib.commands.Command object.", (1, 13))
772
self.add_hook('get_command',
773
"Called when creating a single command. Called with "
774
"(cmd_or_None, command_name). get_command should either return "
775
"the cmd_or_None parameter, or a replacement Command object that "
776
"should be used for the command. Note that the Command.hooks "
777
"hooks are core infrastructure. Many users will prefer to use "
778
"bzrlib.commands.register_command or plugin_cmds.register_lazy.",
780
self.add_hook('get_missing_command',
781
"Called when creating a single command if no command could be "
782
"found. Called with (command_name). get_missing_command should "
783
"either return None, or a Command object to be used for the "
785
self.add_hook('list_commands',
786
"Called when enumerating commands. Called with a set of "
787
"cmd_name strings for all the commands found so far. This set "
788
" is safe to mutate - e.g. to remove a command. "
789
"list_commands should return the updated set of command names.",
792
Command.hooks = CommandHooks()
795
def parse_args(command, argv, alias_argv=None):
886
796
"""Parse command line.
888
798
Arguments and options are parsed at this level before being passed
889
799
down to specific command handlers. This routine knows, from a
890
800
lookup table, something about the available options, what optargs
891
801
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'})
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)
803
# TODO: make it a method of the Command?
804
parser = option.get_optparser(command.options())
805
if alias_argv is not None:
806
args = alias_argv + argv
810
# for python 2.5 and later, optparse raises this exception if a non-ascii
811
# option name is given. See http://bugs.python.org/issue2931
813
options, args = parser.parse_args(args)
814
except UnicodeEncodeError,e:
815
raise errors.BzrCommandError(
816
gettext('Only ASCII permitted in option names'))
818
opts = dict([(k, v) for k, v in options.__dict__.iteritems() if
819
v is not option.OptionParser.DEFAULT_VALUE])
946
820
return args, opts
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, [])
823
def _match_argform(cmd, takes_args, args):
965
# TODO: Need a way to express 'cp SRC... DEST', where it matches
968
# step through args and argform, allowing appropriate 0-many matches
826
# step through args and takes_args, allowing appropriate 0-many matches
827
for ap in takes_args:
970
828
argname = ap[:-1]
971
829
if ap[-1] == '?':
979
837
argdict[argname + '_list'] = None
980
838
elif ap[-1] == '+':
982
bailout("command %r needs one or more %s"
983
% (cmd, argname.upper()))
840
raise errors.BzrCommandError(gettext(
841
"command {0!r} needs one or more {1}").format(
842
cmd, argname.upper()))
985
844
argdict[argname + '_list'] = args[:]
987
846
elif ap[-1] == '$': # all but one
988
847
if len(args) < 2:
989
bailout("command %r needs one or more %s"
990
% (cmd, argname.upper()))
848
raise errors.BzrCommandError(
849
gettext("command {0!r} needs one or more {1}").format(
850
cmd, argname.upper()))
991
851
argdict[argname + '_list'] = args[:-1]
994
854
# just a plain arg
997
bailout("command %r requires argument %s"
998
% (cmd, argname.upper()))
857
raise errors.BzrCommandError(
858
gettext("command {0!r} requires argument {1}").format(
859
cmd, argname.upper()))
1000
861
argdict[argname] = args.pop(0)
1003
bailout("extra arguments to command %s: %r"
864
raise errors.BzrCommandError( gettext(
865
"extra argument to command {0}: {1}").format(
870
def apply_coveraged(dirname, the_callable, *args, **kwargs):
871
# Cannot use "import trace", as that would import bzrlib.trace instead of
872
# the standard library's trace.
873
trace = __import__('trace')
875
tracer = trace.Trace(count=1, trace=0)
876
sys.settrace(tracer.globaltrace)
877
threading.settrace(tracer.globaltrace)
880
return exception_to_return_code(the_callable, *args, **kwargs)
883
results = tracer.results()
884
results.write_results(show_missing=1, summary=False,
888
def apply_profiled(the_callable, *args, **kwargs):
892
pffileno, pfname = tempfile.mkstemp()
894
prof = hotshot.Profile(pfname)
896
ret = prof.runcall(exception_to_return_code, the_callable, *args,
900
stats = hotshot.stats.load(pfname)
902
stats.sort_stats('cum') # 'time'
903
## XXX: Might like to write to stderr or the trace file instead but
904
## print_stats seems hardcoded to stdout
905
stats.print_stats(20)
912
def exception_to_return_code(the_callable, *args, **kwargs):
913
"""UI level helper for profiling and coverage.
915
This transforms exceptions into a return value of 3. As such its only
916
relevant to the UI layer, and should never be called where catching
917
exceptions may be desirable.
920
return the_callable(*args, **kwargs)
921
except (KeyboardInterrupt, Exception), e:
922
# used to handle AssertionError and KeyboardInterrupt
923
# specially here, but hopefully they're handled ok by the logger now
924
exc_info = sys.exc_info()
925
exitcode = trace.report_exception(exc_info, sys.stderr)
926
if os.environ.get('BZR_PDB'):
927
print '**** entering debugger'
930
if sys.version_info[:2] < (2, 6):
932
# pdb.post_mortem(tb)
933
# but because pdb.post_mortem gives bad results for tracebacks
934
# from inside generators, we do it manually.
935
# (http://bugs.python.org/issue4150, fixed in Python 2.6)
937
# Setup pdb on the traceback
940
p.setup(tb.tb_frame, tb)
941
# Point the debugger at the deepest frame of the stack
942
p.curindex = len(p.stack) - 1
943
p.curframe = p.stack[p.curindex][0]
944
# Start the pdb prompt.
945
p.print_stack_entry(p.stack[p.curindex])
953
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
954
from bzrlib.lsprof import profile
955
ret, stats = profile(exception_to_return_code, the_callable,
962
trace.note(gettext('Profile data written to "%s".'), filename)
966
def get_alias(cmd, config=None):
967
"""Return an expanded alias, or None if no alias exists.
970
Command to be checked for an alias.
972
Used to specify an alternative config to use,
973
which is especially useful for testing.
974
If it is unspecified, the global config will be used.
978
config = bzrlib.config.GlobalConfig()
979
alias = config.get_alias(cmd)
981
return cmdline.split(alias)
985
def run_bzr(argv, load_plugins=load_plugins, disable_plugins=disable_plugins):
1011
986
"""Execute a command.
1013
This is similar to main(), but without all the trappings for
1014
logging and error handling.
988
:param argv: The command-line arguments, without the program name from
989
argv[0] These should already be decoded. All library/test code calling
990
run_bzr should be passing valid strings (don't need decoding).
991
:param load_plugins: What function to call when triggering plugin loading.
992
This function should take no arguments and cause all plugins to be
994
:param disable_plugins: What function to call when disabling plugin
995
loading. This function should take no arguments and cause all plugin
996
loading to be prohibited (so that code paths in your application that
997
know about some plugins possibly being present will fail to import
998
those plugins even if they are installed.)
999
:return: Returns a command exit code or raises an exception.
1001
Special master options: these must come before the command because
1002
they control how the command is interpreted.
1005
Do not load plugin modules at all
1008
Do not allow aliases
1011
Only use builtin commands. (Plugins are still allowed to change
1015
Run under the Python hotshot profiler.
1018
Run under the Python lsprof profiler.
1021
Generate line coverage report in the specified directory.
1024
Specify the number of processes that can be run concurrently (selftest).
1017
argv = [a.decode(bzrlib.user_encoding) for a in argv]
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()
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"
1105
bzrlib.trace.create_tracefile(argv)
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'))
1026
trace.mutter("bazaar version: " + bzrlib.__version__)
1027
argv = _specified_or_unicode_argv(argv)
1028
trace.mutter("bzr arguments: %r", argv)
1030
opt_lsprof = opt_profile = opt_no_plugins = opt_builtin = \
1031
opt_no_l10n = opt_no_aliases = False
1032
opt_lsprof_file = opt_coverage_dir = None
1034
# --no-plugins is handled specially at a very early stage. We need
1035
# to load plugins before doing other command parsing so that they
1036
# can override commands, but this needs to happen first.
1040
override_config = []
1041
while i < len(argv):
1043
if a == '--profile':
1045
elif a == '--lsprof':
1047
elif a == '--lsprof-file':
1049
opt_lsprof_file = argv[i + 1]
1051
elif a == '--no-plugins':
1052
opt_no_plugins = True
1053
elif a == '--no-aliases':
1054
opt_no_aliases = True
1055
elif a == '--no-l10n':
1057
elif a == '--builtin':
1059
elif a == '--concurrency':
1060
os.environ['BZR_CONCURRENCY'] = argv[i + 1]
1062
elif a == '--coverage':
1063
opt_coverage_dir = argv[i + 1]
1065
elif a == '--profile-imports':
1066
pass # already handled in startup script Bug #588277
1067
elif a.startswith('-D'):
1068
debug.debug_flags.add(a[2:])
1069
elif a.startswith('-O'):
1070
override_config.append(a[2:])
1075
if bzrlib.global_state is None:
1076
# FIXME: Workaround for users that imported bzrlib but didn't call
1077
# bzrlib.initialize -- vila 2012-01-19
1078
cmdline_overrides = config.CommandLineStore()
1080
cmdline_overrides = bzrlib.global_state.cmdline_overrides
1081
cmdline_overrides._from_cmdline(override_config)
1083
debug.set_debug_flags_from_config()
1085
if not opt_no_plugins:
1092
get_cmd_object('help').run_argv_aliases([])
1095
if argv[0] == '--version':
1096
get_cmd_object('version').run_argv_aliases([])
1101
if not opt_no_aliases:
1102
alias_argv = get_alias(argv[0])
1104
argv[0] = alias_argv.pop(0)
1107
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
1110
run = cmd_obj.run_argv_aliases
1111
run_argv = [argv, alias_argv]
1114
# We can be called recursively (tests for example), but we don't want
1115
# the verbosity level to propagate.
1116
saved_verbosity_level = option._verbosity_level
1117
option._verbosity_level = 0
1119
if opt_coverage_dir:
1121
'--coverage ignored, because --lsprof is in use.')
1122
ret = apply_lsprofiled(opt_lsprof_file, run, *run_argv)
1124
if opt_coverage_dir:
1126
'--coverage ignored, because --profile is in use.')
1127
ret = apply_profiled(run, *run_argv)
1128
elif opt_coverage_dir:
1129
ret = apply_coveraged(opt_coverage_dir, run, *run_argv)
1131
ret = run(*run_argv)
1127
bzrlib.trace.close_trace()
1129
## TODO: Trap AssertionError
1131
# TODO: Maybe nicer handling of IOError especially for broken pipe.
1135
if __name__ == '__main__':
1136
sys.exit(main(sys.argv))
1134
# reset, in case we may do other commands later within the same
1135
# process. Commands that want to execute sub-commands must propagate
1136
# --verbose in their own way.
1137
if 'memory' in debug.debug_flags:
1138
trace.debug_memory('Process status after command:', short=False)
1139
option._verbosity_level = saved_verbosity_level
1140
# Reset the overrides
1141
cmdline_overrides._reset()
1144
def display_command(func):
1145
"""Decorator that suppresses pipe/interrupt errors."""
1146
def ignore_pipe(*args, **kwargs):
1148
result = func(*args, **kwargs)
1152
if getattr(e, 'errno', None) is None:
1154
if e.errno != errno.EPIPE:
1155
# Win32 raises IOError with errno=0 on a broken pipe
1156
if sys.platform != 'win32' or (e.errno not in (0, errno.EINVAL)):
1159
except KeyboardInterrupt:
1164
def install_bzr_command_hooks():
1165
"""Install the hooks to supply bzr's own commands."""
1166
if _list_bzr_commands in Command.hooks["list_commands"]:
1168
Command.hooks.install_named_hook("list_commands", _list_bzr_commands,
1170
Command.hooks.install_named_hook("get_command", _get_bzr_command,
1172
Command.hooks.install_named_hook("get_command", _get_plugin_command,
1173
"bzr plugin commands")
1174
Command.hooks.install_named_hook("get_command", _get_external_command,
1175
"bzr external command lookup")
1176
Command.hooks.install_named_hook("get_missing_command",
1177
_try_plugin_provider,
1178
"bzr plugin-provider-db check")
1182
def _specified_or_unicode_argv(argv):
1183
# For internal or testing use, argv can be passed. Otherwise, get it from
1184
# the process arguments in a unicode-safe way.
1186
return osutils.get_unicode_argv()
1190
# ensure all arguments are unicode strings
1192
if isinstance(a, unicode):
1195
new_argv.append(a.decode('ascii'))
1196
except UnicodeDecodeError:
1197
raise errors.BzrError("argv should be list of unicode strings.")
1201
def main(argv=None):
1202
"""Main entry point of command-line interface.
1204
Typically `bzrlib.initialize` should be called first.
1206
:param argv: list of unicode command-line arguments similar to sys.argv.
1207
argv[0] is script name usually, it will be ignored.
1208
Don't pass here sys.argv because this list contains plain strings
1209
and not unicode; pass None instead.
1211
:return: exit code of bzr command.
1213
if argv is not None:
1215
_register_builtin_commands()
1216
ret = run_bzr_catch_errors(argv)
1217
trace.mutter("return code %d", ret)
1221
def run_bzr_catch_errors(argv):
1222
"""Run a bzr command with parameters as described by argv.
1224
This function assumed that that UI layer is setup, that symbol deprecations
1225
are already applied, and that unicode decoding has already been performed on argv.
1227
# done here so that they're covered for every test run
1228
install_bzr_command_hooks()
1229
return exception_to_return_code(run_bzr, argv)
1232
def run_bzr_catch_user_errors(argv):
1233
"""Run bzr and report user errors, but let internal errors propagate.
1235
This is used for the test suite, and might be useful for other programs
1236
that want to wrap the commandline interface.
1238
# done here so that they're covered for every test run
1239
install_bzr_command_hooks()
1241
return run_bzr(argv)
1242
except Exception, e:
1243
if (isinstance(e, (OSError, IOError))
1244
or not getattr(e, 'internal_error', True)):
1245
trace.report_exception(sys.exc_info(), sys.stderr)
1251
class HelpCommandIndex(object):
1252
"""A index for bzr help that returns commands."""
1255
self.prefix = 'commands/'
1257
def get_topics(self, topic):
1258
"""Search for topic amongst commands.
1260
:param topic: A topic to search for.
1261
:return: A list which is either empty or contains a single
1264
if topic and topic.startswith(self.prefix):
1265
topic = topic[len(self.prefix):]
1267
cmd = _get_cmd_object(topic, check_missing=False)
1274
class Provider(object):
1275
"""Generic class to be overriden by plugins"""
1277
def plugin_for_command(self, cmd_name):
1278
"""Takes a command and returns the information for that plugin
1280
:return: A dictionary with all the available information
1281
for the requested plugin
1283
raise NotImplementedError
1286
class ProvidersRegistry(registry.Registry):
1287
"""This registry exists to allow other providers to exist"""
1290
for key, provider in self.iteritems():
1293
command_providers_registry = ProvidersRegistry()
added
removed
bzrlib/commands.py
