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- Committer: Martin Pool
- Date: 2005-06-30 08:40:59 UTC
- mto: This revision was merged to the branch mainline in revision 852.
- Revision ID: mbp@sourcefrog.net-20050630084059-d6eb6cb46972365b
Rename Weave.get_included to inclusions and getiter to get_iter
Refactor annotate() code
Refactor annotate() code
- files added:
- .bzrignore
- files removed:
- .bzrignore
- bzrlib
- doc
- elementtree
- notes
- urlgrabber
added
removed
bzrlib/commands.py
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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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"""Bazaar-NG -- a free distributed version-control tool
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http://bazaar-ng.org/
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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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Interesting commands:
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bzr help [COMMAND]
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Show help screen
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bzr version
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Show software version/licence/non-warranty.
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bzr init
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Start versioning the current directory
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bzr add FILE...
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Make files versioned.
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bzr log
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Show revision history.
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bzr rename FROM TO
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Rename one file.
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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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bzr diff [FILE...]
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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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bzr status
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Show summary of pending changes.
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bzr remove FILE...
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Make a file not versioned.
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bzr info
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Show statistics about this branch.
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bzr check
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Verify history is stored safely.
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(for more type 'bzr help commands')
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"""
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import sys, os, time, types, shutil, tempfile, fnmatch, difflib, os.path
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from sets import Set
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from pprint import pprint
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from stat import *
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from glob import glob
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from inspect import getdoc
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import bzrlib
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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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format_date
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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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EMPTY = 'empty'
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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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## directory.
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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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## clash; move it.
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## TODO: command to show renames, one per line, as to->from
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cmd_aliases = {
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'?': 'help',
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'ci': 'commit',
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'checkin': 'commit',
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'di': 'diff',
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'st': 'status',
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'stat': 'status',
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}
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def get_cmd_handler(cmd):
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cmd = str(cmd)
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cmd = cmd_aliases.get(cmd, cmd)
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try:
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cmd_handler = globals()['cmd_' + cmd.replace('-', '_')]
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except KeyError:
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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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"""
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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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# examining history
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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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# commands
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def cmd_revno():
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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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directories.
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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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"""
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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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b = Branch('.')
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if revision == None:
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inv = b.read_working_inventory()
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else:
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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 = Branch('.')
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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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examples:
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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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one?"""
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b = Branch('.')
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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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"""
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b = Branch(dir)
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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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renames.sort()
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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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def cmd_info():
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"""info: Show statistical information for this branch
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usage: bzr info"""
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import info
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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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moved or renamed.
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"""
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b = Branch(filename)
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i = b.inventory.path2id(b.relpath(filename))
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if i == None:
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bailout("%r is not a versioned file" % filename)
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else:
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print i
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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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b = Branch(filename)
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inv = b.inventory
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fid = inv.path2id(b.relpath(filename))
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if fid == None:
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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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print fip
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def cmd_revision_history():
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for patchid in Branch('.').revision_history():
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print patchid
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def cmd_directories():
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for name, ie in Branch('.').read_working_inventory().directories():
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if name == '':
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print '.'
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else:
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print name
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def cmd_missing():
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for name, ie in Branch('.').working_tree().missing():
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print name
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def cmd_init():
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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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# both?
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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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--revision REV
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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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or a graphical diff.
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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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deleted files.
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TODO: This probably handles non-Unix newlines poorly.
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"""
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## TODO: Shouldn't be in the cmd function.
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b = Branch('.')
391
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if revision == None:
393
old_tree = b.basis_tree()
394
else:
395
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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old_label = ''
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new_label = ''
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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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if file_list:
414
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):
420
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if file_list and (new_name not in file_list):
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continue
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# Don't show this by default; maybe do it if an option is passed
425
# idlabel = ' {%s}' % fid
426
idlabel = ''
427
428
# FIXME: Something about the diff format makes patch unhappy
429
# with newly-added files.
430
431
def diffit(oldlines, newlines, **kw):
432
433
# FIXME: difflib is wrong if there is no trailing newline.
434
# The syntax used by patch seems to be "\ No newline at
435
# end of file" following the last diff line from that
436
# file. This is not trivial to insert into the
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# unified_diff output and it might be better to just fix
438
# or replace that function.
439
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# In the meantime we at least make sure the patch isn't
441
# mangled.
442
443
444
# Special workaround for Python2.3, where difflib fails if
445
# both sequences are empty.
446
if not oldlines and not newlines:
447
return
448
449
nonl = False
450
451
if oldlines and (oldlines[-1][-1] != '\n'):
452
oldlines[-1] += '\n'
453
nonl = True
454
if newlines and (newlines[-1][-1] != '\n'):
455
newlines[-1] += '\n'
456
nonl = True
457
458
ud = difflib.unified_diff(oldlines, newlines, **kw)
459
sys.stdout.writelines(ud)
460
if nonl:
461
print "\\ No newline at end of file"
462
sys.stdout.write('\n')
463
464
if file_state in ['.', '?', 'I']:
465
continue
466
elif file_state == 'A':
467
print '*** added %s %r' % (kind, new_name)
468
if kind == 'file':
469
diffit([],
470
new_tree.get_file(fid).readlines(),
471
fromfile=DEVNULL,
472
tofile=new_label + new_name + idlabel)
473
elif file_state == 'D':
474
assert isinstance(old_name, types.StringTypes)
475
print '*** deleted %s %r' % (kind, old_name)
476
if kind == 'file':
477
diffit(old_tree.get_file(fid).readlines(), [],
478
fromfile=old_label + old_name + idlabel,
479
tofile=DEVNULL)
480
elif file_state in ['M', 'R']:
481
if file_state == 'M':
482
assert kind == 'file'
483
assert old_name == new_name
484
print '*** modified %s %r' % (kind, new_name)
485
elif file_state == 'R':
486
print '*** renamed %s %r => %r' % (kind, old_name, new_name)
487
488
if kind == 'file':
489
diffit(old_tree.get_file(fid).readlines(),
490
new_tree.get_file(fid).readlines(),
491
fromfile=old_label + old_name + idlabel,
492
tofile=new_label + new_name)
493
else:
494
bailout("can't represent state %s {%s}" % (file_state, fid))
495
496
497
498
def cmd_deleted(show_ids=False):
499
"""List files deleted in the working tree.
500
501
TODO: Show files deleted since a previous revision, or between two revisions.
502
"""
503
b = Branch('.')
504
old = b.basis_tree()
505
new = b.working_tree()
506
507
## TODO: Much more efficient way to do this: read in new
508
## directories with readdir, rather than stating each one. Same
509
## level of effort but possibly much less IO. (Or possibly not,
510
## if the directories are very large...)
511
512
for path, ie in old.inventory.iter_entries():
513
if not new.has_id(ie.file_id):
514
if show_ids:
515
print '%-50s %s' % (path, ie.file_id)
516
else:
517
print path
518
519
520
521
def cmd_parse_inventory():
522
import cElementTree
523
524
cElementTree.ElementTree().parse(file('.bzr/inventory'))
525
526
527
528
def cmd_load_inventory():
529
"""Load inventory for timing purposes"""
530
Branch('.').basis_tree().inventory
531
532
533
def cmd_dump_inventory():
534
Branch('.').read_working_inventory().write_xml(sys.stdout)
535
536
537
def cmd_dump_new_inventory():
538
import bzrlib.newinventory
539
inv = Branch('.').basis_tree().inventory
540
bzrlib.newinventory.write_inventory(inv, sys.stdout)
541
542
543
def cmd_load_new_inventory():
544
import bzrlib.newinventory
545
bzrlib.newinventory.read_new_inventory(sys.stdin)
546
547
548
def cmd_dump_slacker_inventory():
549
import bzrlib.newinventory
550
inv = Branch('.').basis_tree().inventory
551
bzrlib.newinventory.write_slacker_inventory(inv, sys.stdout)
552
553
554
555
def cmd_dump_text_inventory():
556
import bzrlib.textinv
557
inv = Branch('.').basis_tree().inventory
558
bzrlib.textinv.write_text_inventory(inv, sys.stdout)
559
560
561
def cmd_load_text_inventory():
562
import bzrlib.textinv
563
inv = bzrlib.textinv.read_text_inventory(sys.stdin)
564
print 'loaded %d entries' % len(inv)
565
566
567
568
def cmd_root(filename=None):
569
"""Print the branch root."""
570
print bzrlib.branch.find_branch_root(filename)
571
572
573
def cmd_log(timezone='original', verbose=False):
574
"""Show log of this branch.
575
576
TODO: Options for utc; to show ids; to limit range; etc.
577
"""
578
Branch('.').write_log(show_timezone=timezone, verbose=verbose)
579
580
581
def cmd_ls(revision=None, verbose=False):
582
"""List files in a tree.
583
584
TODO: Take a revision or remote path and list that tree instead.
585
"""
586
b = Branch('.')
587
if revision == None:
588
tree = b.working_tree()
589
else:
590
tree = b.revision_tree(b.lookup_revision(revision))
591
592
for fp, fc, kind, fid in tree.list_files():
593
if verbose:
594
if kind == 'directory':
595
kindch = '/'
596
elif kind == 'file':
597
kindch = ''
598
else:
599
kindch = '???'
600
601
print '%-8s %s%s' % (fc, fp, kindch)
602
else:
603
print fp
604
605
606
607
def cmd_unknowns():
608
"""List unknown files"""
609
for f in Branch('.').unknowns():
610
print quotefn(f)
611
612
613
614
def cmd_ignored():
615
"""List ignored files and the patterns that matched them.
616
"""
617
tree = Branch('.').working_tree()
618
for path, file_class, kind, file_id in tree.list_files():
619
if file_class != 'I':
620
continue
621
## XXX: Slightly inefficient since this was already calculated
622
pat = tree.is_ignored(path)
623
print '%-50s %s' % (path, pat)
624
625
626
def cmd_lookup_revision(revno):
627
try:
628
revno = int(revno)
629
except ValueError:
630
bailout("usage: lookup-revision REVNO",
631
["REVNO is a non-negative revision number for this branch"])
632
633
print Branch('.').lookup_revision(revno) or NONE_STRING
634
635
636
637
def cmd_export(revno, dest):
638
"""Export past revision to destination directory."""
639
b = Branch('.')
640
rh = b.lookup_revision(int(revno))
641
t = b.revision_tree(rh)
642
t.export(dest)
643
644
def cmd_cat(revision, filename):
645
"""Print file to stdout."""
646
b = Branch('.')
647
b.print_file(b.relpath(filename), int(revision))
648
649
650
######################################################################
651
# internal/test commands
652
653
654
def cmd_uuid():
655
"""Print a newly-generated UUID."""
656
print bzrlib.osutils.uuid()
657
658
659
660
def cmd_local_time_offset():
661
print bzrlib.osutils.local_time_offset()
662
663
664
665
def cmd_commit(message=None, verbose=False):
666
"""Commit changes to a new revision.
667
668
--message MESSAGE
669
Description of changes in this revision; free form text.
670
It is recommended that the first line be a single-sentence
671
summary.
672
--verbose
673
Show status of changed files,
674
675
TODO: Commit only selected files.
676
677
TODO: Run hooks on tree to-be-committed, and after commit.
678
679
TODO: Strict commit that fails if there are unknown or deleted files.
680
"""
681
682
if not message:
683
bailout("please specify a commit message")
684
Branch('.').commit(message, verbose=verbose)
685
686
687
def cmd_check(dir='.'):
688
"""check: Consistency check of branch history.
689
690
usage: bzr check [-v] [BRANCH]
691
692
options:
693
--verbose, -v Show progress of checking.
694
695
This command checks various invariants about the branch storage to
696
detect data corruption or bzr bugs.
697
"""
698
import bzrlib.check
699
bzrlib.check.check(Branch(dir, find_root=False))
700
701
702
def cmd_is(pred, *rest):
703
"""Test whether PREDICATE is true."""
704
try:
705
cmd_handler = globals()['assert_' + pred.replace('-', '_')]
706
except KeyError:
707
bailout("unknown predicate: %s" % quotefn(pred))
708
709
try:
710
cmd_handler(*rest)
711
except BzrCheckError:
712
# by default we don't print the message so that this can
713
# be used from shell scripts without producing noise
714
sys.exit(1)
715
716
717
def cmd_whoami():
718
"""Show bzr user id.
719
720
usage: bzr whoami
721
722
TODO: Command to show only the email-address part as parsed out.
723
"""
724
print bzrlib.osutils.username()
725
726
727
def cmd_gen_revision_id():
728
print bzrlib.branch._gen_revision_id(time.time())
729
730
731
def cmd_selftest():
732
"""Run internal test suite"""
733
## -v, if present, is seen by doctest; the argument is just here
734
## so our parser doesn't complain
735
736
## TODO: --verbose option
737
738
failures, tests = 0, 0
739
740
import doctest, bzrlib.store, bzrlib.tests
741
bzrlib.trace.verbose = False
742
743
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
744
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
745
mf, mt = doctest.testmod(m)
746
failures += mf
747
tests += mt
748
print '%-40s %3d tests' % (m.__name__, mt),
749
if mf:
750
print '%3d FAILED!' % mf
751
else:
752
print
753
754
print '%-40s %3d tests' % ('total', tests),
755
if failures:
756
print '%3d FAILED!' % failures
757
else:
758
print
759
760
761
762
# deprecated
763
cmd_doctest = cmd_selftest
764
765
766
######################################################################
767
# help
768
769
770
def cmd_help(topic=None):
771
if topic == None:
772
print __doc__
773
elif topic == 'commands':
774
help_commands()
775
else:
776
# otherwise, maybe the name of a command?
777
topic, cmdfn = get_cmd_handler(topic)
778
779
doc = getdoc(cmdfn)
780
if doc == None:
781
bailout("sorry, no detailed help yet for %r" % topic)
782
783
print doc
784
785
786
def help_commands():
787
"""List all commands"""
788
accu = []
789
for k in globals().keys():
790
if k.startswith('cmd_'):
791
accu.append(k[4:].replace('_','-'))
792
accu.sort()
793
print "bzr commands: "
794
for x in accu:
795
print " " + x
796
print "note: some of these commands are internal-use or obsolete"
797
# TODO: Some kind of marker for internal-use commands?
798
# TODO: Show aliases?
799
800
801
802
803
def cmd_version():
804
print "bzr (bazaar-ng) %s" % bzrlib.__version__
805
print bzrlib.__copyright__
806
print "http://bazaar-ng.org/"
807
print
808
print \
809
"""bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and
810
you may use, modify and redistribute it under the terms of the GNU
811
General Public License version 2 or later."""
812
813
814
def cmd_rocks():
815
"""Statement of optimism."""
816
print "it sure does!"
817
818
819
820
######################################################################
821
# main routine
822
823
824
# list of all available options; the rhs can be either None for an
825
# option that takes no argument, or a constructor function that checks
826
# the type.
827
OPTIONS = {
828
'all': None,
829
'help': None,
830
'message': unicode,
831
'profile': None,
832
'revision': int,
833
'show-ids': None,
834
'timezone': str,
835
'verbose': None,
836
'version': None,
837
}
838
839
SHORT_OPTIONS = {
840
'm': 'message',
841
'r': 'revision',
842
'v': 'verbose',
843
}
844
845
# List of options that apply to particular commands; commands not
846
# listed take none.
847
cmd_options = {
848
'add': ['verbose'],
849
'cat': ['revision'],
850
'commit': ['message', 'verbose'],
851
'deleted': ['show-ids'],
852
'diff': ['revision'],
853
'inventory': ['revision'],
854
'log': ['timezone', 'verbose'],
855
'ls': ['revision', 'verbose'],
856
'remove': ['verbose'],
857
'status': ['all'],
858
}
859
860
861
cmd_args = {
862
'add': ['file+'],
863
'cat': ['filename'],
864
'commit': [],
865
'diff': ['file*'],
866
'export': ['revno', 'dest'],
867
'file-id': ['filename'],
868
'file-id-path': ['filename'],
869
'get-file-text': ['text_id'],
870
'get-inventory': ['inventory_id'],
871
'get-revision': ['revision_id'],
872
'get-revision-inventory': ['revision_id'],
873
'help': ['topic?'],
874
'init': [],
875
'log': [],
876
'lookup-revision': ['revno'],
877
'move': ['source$', 'dest'],
878
'relpath': ['filename'],
879
'remove': ['file+'],
880
'rename': ['from_name', 'to_name'],
881
'renames': ['dir?'],
882
'root': ['filename?'],
883
'status': [],
884
}
885
886
887
def parse_args(argv):
888
"""Parse command line.
889
890
Arguments and options are parsed at this level before being passed
891
down to specific command handlers. This routine knows, from a
892
lookup table, something about the available options, what optargs
893
they take, and which commands will accept them.
894
895
>>> parse_args('--help'.split())
896
([], {'help': True})
897
>>> parse_args('--version'.split())
898
([], {'version': True})
899
>>> parse_args('status --all'.split())
900
(['status'], {'all': True})
901
>>> parse_args('commit --message=biter'.split())
902
(['commit'], {'message': u'biter'})
903
"""
904
args = []
905
opts = {}
906
907
# TODO: Maybe handle '--' to end options?
908
909
while argv:
910
a = argv.pop(0)
911
if a[0] == '-':
912
# option names must not be unicode
913
a = str(a)
914
optarg = None
915
if a[1] == '-':
916
mutter(" got option %r" % a)
917
if '=' in a:
918
optname, optarg = a[2:].split('=', 1)
919
else:
920
optname = a[2:]
921
if optname not in OPTIONS:
922
bailout('unknown long option %r' % a)
923
else:
924
shortopt = a[1:]
925
if shortopt not in SHORT_OPTIONS:
926
bailout('unknown short option %r' % a)
927
optname = SHORT_OPTIONS[shortopt]
928
929
if optname in opts:
930
# XXX: Do we ever want to support this, e.g. for -r?
931
bailout('repeated option %r' % a)
932
933
optargfn = OPTIONS[optname]
934
if optargfn:
935
if optarg == None:
936
if not argv:
937
bailout('option %r needs an argument' % a)
938
else:
939
optarg = argv.pop(0)
940
opts[optname] = optargfn(optarg)
941
else:
942
if optarg != None:
943
bailout('option %r takes no argument' % optname)
944
opts[optname] = True
945
else:
946
args.append(a)
947
948
return args, opts
949
950
951
952
def _match_args(cmd, args):
953
"""Check non-option arguments match required pattern.
954
955
>>> _match_args('status', ['asdasdsadasd'])
956
Traceback (most recent call last):
957
...
958
BzrError: ("extra arguments to command status: ['asdasdsadasd']", [])
959
>>> _match_args('add', ['asdasdsadasd'])
960
{'file_list': ['asdasdsadasd']}
961
>>> _match_args('add', 'abc def gj'.split())
962
{'file_list': ['abc', 'def', 'gj']}
963
"""
964
# match argument pattern
965
argform = cmd_args.get(cmd, [])
966
argdict = {}
967
# TODO: Need a way to express 'cp SRC... DEST', where it matches
968
# all but one.
969
970
# step through args and argform, allowing appropriate 0-many matches
971
for ap in argform:
972
argname = ap[:-1]
973
if ap[-1] == '?':
974
if args:
975
argdict[argname] = args.pop(0)
976
elif ap[-1] == '*': # all remaining arguments
977
if args:
978
argdict[argname + '_list'] = args[:]
979
args = []
980
else:
981
argdict[argname + '_list'] = None
982
elif ap[-1] == '+':
983
if not args:
984
bailout("command %r needs one or more %s"
985
% (cmd, argname.upper()))
986
else:
987
argdict[argname + '_list'] = args[:]
988
args = []
989
elif ap[-1] == '$': # all but one
990
if len(args) < 2:
991
bailout("command %r needs one or more %s"
992
% (cmd, argname.upper()))
993
argdict[argname + '_list'] = args[:-1]
994
args[:-1] = []
995
else:
996
# just a plain arg
997
argname = ap
998
if not args:
999
bailout("command %r requires argument %s"
1000
% (cmd, argname.upper()))
1001
else:
1002
argdict[argname] = args.pop(0)
1003
1004
if args:
1005
bailout("extra arguments to command %s: %r"
1006
% (cmd, args))
1007
1008
return argdict
1009
1010
1011
1012
def run_bzr(argv):
1013
"""Execute a command.
1014
1015
This is similar to main(), but without all the trappings for
1016
logging and error handling.
1017
"""
1018
1019
argv = [a.decode(bzrlib.user_encoding) for a in argv]
1020
1021
try:
1022
args, opts = parse_args(argv[1:])
1023
if 'help' in opts:
1024
# TODO: pass down other arguments in case they asked for
1025
# help on a command name?
1026
if args:
1027
cmd_help(args[0])
1028
else:
1029
cmd_help()
1030
return 0
1031
elif 'version' in opts:
1032
cmd_version()
1033
return 0
1034
cmd = str(args.pop(0))
1035
except IndexError:
1036
log_error('usage: bzr COMMAND')
1037
log_error(' try "bzr help"')
1038
return 1
1039
1040
canonical_cmd, cmd_handler = get_cmd_handler(cmd)
1041
1042
# global option
1043
if 'profile' in opts:
1044
profile = True
1045
del opts['profile']
1046
else:
1047
profile = False
1048
1049
# check options are reasonable
1050
allowed = cmd_options.get(canonical_cmd, [])
1051
for oname in opts:
1052
if oname not in allowed:
1053
bailout("option %r is not allowed for command %r"
1054
% (oname, cmd))
1055
1056
# TODO: give an error if there are any mandatory options which are
1057
# not specified? Or maybe there shouldn't be any "mandatory
1058
# options" (it is an oxymoron)
1059
1060
# mix arguments and options into one dictionary
1061
cmdargs = _match_args(canonical_cmd, args)
1062
for k, v in opts.items():
1063
cmdargs[k.replace('-', '_')] = v
1064
1065
if profile:
1066
import hotshot
1067
pffileno, pfname = tempfile.mkstemp()
1068
try:
1069
prof = hotshot.Profile(pfname)
1070
ret = prof.runcall(cmd_handler, **cmdargs) or 0
1071
prof.close()
1072
1073
import hotshot.stats
1074
stats = hotshot.stats.load(pfname)
1075
#stats.strip_dirs()
1076
stats.sort_stats('time')
1077
## XXX: Might like to write to stderr or the trace file instead but
1078
## print_stats seems hardcoded to stdout
1079
stats.print_stats(20)
1080
1081
return ret
1082
1083
finally:
1084
os.close(pffileno)
1085
os.remove(pfname)
1086
else:
1087
return cmd_handler(**cmdargs) or 0
1088
1089
1090
1091
def _report_exception(e, summary):
1092
import traceback
1093
log_error('bzr: ' + summary)
1094
bzrlib.trace.log_exception(e)
1095
tb = sys.exc_info()[2]
1096
exinfo = traceback.extract_tb(tb)
1097
if exinfo:
1098
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
1099
sys.stderr.write(' see ~/.bzr.log for debug information\n')
1100
1101
1102
def cmd_assert_fail():
1103
assert False, "always fails"
1104
1105
1106
def main(argv):
1107
bzrlib.trace.create_tracefile(argv)
1108
1109
try:
1110
try:
1111
ret = run_bzr(argv)
1112
return ret
1113
except BzrError, e:
1114
_report_exception(e, 'error: ' + e.args[0])
1115
if len(e.args) > 1:
1116
for h in e.args[1]:
1117
# some explanation or hints
1118
log_error(' ' + h)
1119
return 1
1120
except AssertionError, e:
1121
msg = 'assertion failed'
1122
if str(e):
1123
msg += ': ' + str(e)
1124
_report_exception(e, msg)
1125
except Exception, e:
1126
_report_exception(e, 'exception: %s' % str(e).rstrip('\n'))
1127
return 1
1128
finally:
1129
bzrlib.trace.close_trace()
1130
1131
## TODO: Trap AssertionError
1132
1133
# TODO: Maybe nicer handling of IOError especially for broken pipe.
1134
1135
1136
1137
if __name__ == '__main__':
1138
sys.exit(main(sys.argv))
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