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  • Committer: Vincent Ladeuil
  • Date: 2011-12-21 14:25:26 UTC
  • mto: This revision was merged to the branch mainline in revision 6397.
  • Revision ID: v.ladeuil+lp@free.fr-20111221142526-pnwau0xnalimujts
Provides MemoryStack to simplify configuration setup in tests

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bzrlib/info.py
1
 
# Copyright (C) 2005, 2006, 2007 Canonical Ltd
 
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# Copyright (C) 2005-2010 Canonical Ltd
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#
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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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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
 
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__all__ = ['show_bzrdir_info']
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20
 
19
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from cStringIO import StringIO
20
 
import os
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import time
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import sys
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from bzrlib import (
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    bzrdir,
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    diff,
 
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    controldir,
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    errors,
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    hooks as _mod_hooks,
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    osutils,
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        return ["  %*s: %s\n" % (max_len, l, u) for l, u in self.locs ]
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80
81
 
81
 
def gather_location_info(repository, branch=None, working=None):
 
82
def gather_location_info(repository=None, branch=None, working=None,
 
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        control=None):
82
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    locs = {}
83
 
    repository_path = repository.bzrdir.root_transport.base
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    if branch is not None:
85
 
        branch_path = branch.bzrdir.root_transport.base
 
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        branch_path = branch.user_url
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        master_path = branch.get_bound_location()
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        if master_path is None:
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            master_path = branch_path
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    else:
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        branch_path = None
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        master_path = None
 
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        try:
 
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            if control is not None and control.get_branch_reference():
 
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                locs['checkout of branch'] = control.get_branch_reference()
 
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        except NotBranchError:
 
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            pass
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    if working:
93
 
        working_path = working.bzrdir.root_transport.base
 
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        working_path = working.user_url
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        if working_path != branch_path:
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            locs['light checkout root'] = working_path
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        if master_path != branch_path:
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            locs['branch root'] = branch_path
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    else:
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        working_path = None
110
 
        if repository.is_shared():
 
116
        if repository is not None and repository.is_shared():
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            # lightweight checkout of branch in shared repository
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            if branch_path is not None:
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                locs['repository branch'] = branch_path
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        elif branch_path is not None:
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            # standalone
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            locs['branch root'] = branch_path
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            if master_path != branch_path:
118
 
                locs['bound to branch'] = master_path
 
123
        elif repository is not None:
 
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            locs['repository'] = repository.user_url
 
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        elif control is not None:
 
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            locs['control directory'] = control.user_url
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        else:
120
 
            locs['repository'] = repository_path
121
 
    if repository.is_shared():
 
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            # Really, at least a control directory should be
 
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            # passed in for this method to be useful.
 
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            pass
 
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        if master_path != branch_path:
 
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            locs['bound to branch'] = master_path
 
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    if repository is not None and repository.is_shared():
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        # lightweight checkout of branch in shared repository
123
 
        locs['shared repository'] = repository_path
124
 
    order = ['light checkout root', 'repository checkout root',
125
 
             'checkout root', 'checkout of branch', 'shared repository',
 
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        locs['shared repository'] = repository.user_url
 
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    order = ['control directory', 'light checkout root',
 
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             'repository checkout root', 'checkout root',
 
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             'checkout of branch', 'shared repository',
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             'repository', 'repository branch', 'branch root',
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             'bound to branch']
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141
    return [(n, locs[n]) for n in order if n in locs]
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        outfile.writelines(locs.get_lines())
161
174
 
162
175
 
 
176
def _show_control_dir_info(control, outfile):
 
177
    """Show control dir information."""
 
178
    if control._format.colocated_branches:
 
179
        outfile.write('\n')
 
180
        outfile.write('Control directory:\n')
 
181
        outfile.write('         %d branches\n' % len(control.list_branches()))
 
182
 
 
183
 
163
184
def _show_format_info(control=None, repository=None, branch=None,
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                      working=None, outfile=None):
165
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    """Show known formats for control, working, branch and repository."""
223
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    """Show missing revisions in working tree."""
224
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    branch = working.branch
225
246
    basis = working.basis_tree()
226
 
    work_inv = working.inventory
227
 
    branch_revno, branch_last_revision = branch.last_revision_info()
 
247
    try:
 
248
        branch_revno, branch_last_revision = branch.last_revision_info()
 
249
    except errors.UnsupportedOperation:
 
250
        return
228
251
    try:
229
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        tree_last_id = working.get_parent_ids()[0]
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    except IndexError:
241
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def _show_working_stats(working, outfile):
242
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    """Show statistics about a working tree."""
243
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    basis = working.basis_tree()
244
 
    work_inv = working.inventory
245
267
    delta = working.changes_from(basis, want_unchanged=True)
246
268
 
247
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    outfile.write('\n')
262
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    outfile.write('  %8d ignored\n' % ignore_cnt)
263
285
 
264
286
    dir_cnt = 0
265
 
    for file_id in work_inv:
266
 
        if (work_inv.get_file_kind(file_id) == 'directory' and
267
 
            not work_inv.is_root(file_id)):
 
287
    root_id = working.get_root_id()
 
288
    for path, entry in working.iter_entries_by_dir():
 
289
        if entry.kind == 'directory' and entry.file_id != root_id:
268
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            dir_cnt += 1
269
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    outfile.write('  %8d versioned %s\n' % (dir_cnt,
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        plural(dir_cnt, 'subdirectory', 'subdirectories')))
272
294
 
273
295
def _show_branch_stats(branch, verbose, outfile):
274
296
    """Show statistics about a branch."""
275
 
    revno, head = branch.last_revision_info()
 
297
    try:
 
298
        revno, head = branch.last_revision_info()
 
299
    except errors.UnsupportedOperation:
 
300
        return {}
276
301
    outfile.write('\n')
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    outfile.write('Branch history:\n')
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    outfile.write('  %8d revision%s\n' % (revno, plural(revno)))
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    try:
325
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        tree = a_bzrdir.open_workingtree(
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            recommend_upgrade=False)
327
 
    except (NoWorkingTree, NotLocalUrl):
 
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    except (NoWorkingTree, NotLocalUrl, NotBranchError):
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        tree = None
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        try:
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            branch = a_bzrdir.open_branch()
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            try:
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                repository = a_bzrdir.open_repository()
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            except NoRepositoryPresent:
336
 
                # Return silently; cmd_info already returned NotBranchError
337
 
                # if no bzrdir could be opened.
338
 
                return
 
361
                lockable = None
 
362
                repository = None
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            else:
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                lockable = repository
341
365
        else:
346
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        repository = branch.repository
347
371
        lockable = tree
348
372
 
349
 
    lockable.lock_read()
 
373
    if lockable is not None:
 
374
        lockable.lock_read()
350
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    try:
351
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        show_component_info(a_bzrdir, repository, branch, tree, verbose,
352
377
                            outfile)
353
378
    finally:
354
 
        lockable.unlock()
 
379
        if lockable is not None:
 
380
            lockable.unlock()
355
381
 
356
382
 
357
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def show_component_info(control, repository, branch=None, working=None,
363
389
        verbose = 1
364
390
    if verbose is True:
365
391
        verbose = 2
366
 
    layout = describe_layout(repository, branch, working)
 
392
    layout = describe_layout(repository, branch, working, control)
367
393
    format = describe_format(control, repository, branch, working)
368
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    outfile.write("%s (format: %s)\n" % (layout, format))
369
 
    _show_location_info(gather_location_info(repository, branch, working),
370
 
                        outfile)
 
395
    _show_location_info(
 
396
        gather_location_info(control=control, repository=repository,
 
397
            branch=branch, working=working),
 
398
        outfile)
371
399
    if branch is not None:
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        _show_related_info(branch, outfile)
373
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    if verbose == 0:
374
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        return
375
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    _show_format_info(control, repository, branch, working, outfile)
376
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    _show_locking_info(repository, branch, working, outfile)
 
405
    _show_control_dir_info(control, outfile)
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    if branch is not None:
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        _show_missing_revisions_branch(branch, outfile)
379
408
    if working is not None:
391
420
    _show_repository_stats(repository, stats, outfile)
392
421
 
393
422
 
394
 
def describe_layout(repository=None, branch=None, tree=None):
 
423
def describe_layout(repository=None, branch=None, tree=None, control=None):
395
424
    """Convert a control directory layout into a user-understandable term
396
425
 
397
426
    Common outputs include "Standalone tree", "Repository branch" and
398
427
    "Checkout".  Uncommon outputs include "Unshared repository with trees"
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428
    and "Empty control directory"
400
429
    """
 
430
    if branch is None and control is not None:
 
431
        try:
 
432
            branch_reference = control.get_branch_reference()
 
433
        except NotBranchError:
 
434
            pass
 
435
        else:
 
436
            if branch_reference is not None:
 
437
                return "Dangling branch reference"
401
438
    if repository is None:
402
439
        return 'Empty control directory'
403
440
    if branch is None and tree is None:
420
457
        if branch is None and tree is not None:
421
458
            phrase = "branchless tree"
422
459
        else:
423
 
            if (tree is not None and tree.bzrdir.root_transport.base !=
424
 
                branch.bzrdir.root_transport.base):
 
460
            if (tree is not None and tree.user_url !=
 
461
                branch.user_url):
425
462
                independence = ''
426
463
                phrase = "Lightweight checkout"
427
464
            elif branch.get_bound_location() is not None:
446
483
    """
447
484
    candidates  = []
448
485
    if (branch is not None and tree is not None and
449
 
        branch.bzrdir.root_transport.base !=
450
 
        tree.bzrdir.root_transport.base):
 
486
        branch.user_url != tree.user_url):
451
487
        branch = None
452
488
        repository = None
453
 
    non_aliases = set(bzrdir.format_registry.keys())
454
 
    non_aliases.difference_update(bzrdir.format_registry.aliases())
 
489
    non_aliases = set(controldir.format_registry.keys())
 
490
    non_aliases.difference_update(controldir.format_registry.aliases())
455
491
    for key in non_aliases:
456
 
        format = bzrdir.format_registry.make_bzrdir(key)
 
492
        format = controldir.format_registry.make_bzrdir(key)
457
493
        if isinstance(format, bzrdir.BzrDirMetaFormat1):
458
494
            if (tree and format.workingtree_format !=
459
495
                tree._format):
471
507
        return 'unnamed'
472
508
    candidates.sort()
473
509
    new_candidates = [c for c in candidates if not
474
 
        bzrdir.format_registry.get_info(c).hidden]
 
510
        controldir.format_registry.get_info(c).hidden]
475
511
    if len(new_candidates) > 0:
476
512
        # If there are any non-hidden formats that match, only return those to
477
513
        # avoid listing hidden formats except when only a hidden format will
484
520
    """Hooks for the info command."""
485
521
 
486
522
    def __init__(self):
487
 
        super(InfoHooks, self).__init__()
488
 
        self.create_hook(_mod_hooks.HookPoint('repository',
 
523
        super(InfoHooks, self).__init__("bzrlib.info", "hooks")
 
524
        self.add_hook('repository',
489
525
            "Invoked when displaying the statistics for a repository. "
490
526
            "repository is called with a statistics dictionary as returned "
491
 
            "by the repository and a file-like object to write to.", (1, 15), 
492
 
            None))
 
527
            "by the repository and a file-like object to write to.", (1, 15))
493
528
 
494
529
 
495
530
hooks = InfoHooks()