2237
2072
del configobj[option_name]
2239
2074
del configobj[section_name][option_name]
2240
for hook in OldConfigHooks['remove']:
2241
hook(self, option_name)
2242
2075
self._set_configobj(configobj)
2244
2077
def _get_config_file(self):
2246
f = StringIO(self._transport.get_bytes(self._filename))
2247
for hook in OldConfigHooks['load']:
2079
return StringIO(self._transport.get_bytes(self._filename))
2250
2080
except errors.NoSuchFile:
2251
2081
return StringIO()
2252
except errors.PermissionDenied, e:
2253
trace.warning("Permission denied while trying to open "
2254
"configuration file %s.", urlutils.unescape_for_display(
2255
urlutils.join(self._transport.base, self._filename), "utf-8"))
2258
def _external_url(self):
2259
return urlutils.join(self._transport.external_url(), self._filename)
2261
2083
def _get_configobj(self):
2262
2084
f = self._get_config_file()
2265
conf = ConfigObj(f, encoding='utf-8')
2266
except configobj.ConfigObjError, e:
2267
raise errors.ParseConfigError(e.errors, self._external_url())
2268
except UnicodeDecodeError:
2269
raise errors.ConfigContentError(self._external_url())
2086
return ConfigObj(f, encoding='utf-8')
2274
2090
def _set_configobj(self, configobj):
2275
2091
out_file = StringIO()
2276
2092
configobj.write(out_file)
2277
2093
out_file.seek(0)
2278
2094
self._transport.put_file(self._filename, out_file)
2279
for hook in OldConfigHooks['save']:
2283
class Option(object):
2284
"""An option definition.
2286
The option *values* are stored in config files and found in sections.
2288
Here we define various properties about the option itself, its default
2289
value, how to convert it from stores, what to do when invalid values are
2290
encoutered, in which config files it can be stored.
2293
def __init__(self, name, override_from_env=None,
2294
default=None, default_from_env=None,
2295
help=None, from_unicode=None, invalid=None, unquote=True):
2296
"""Build an option definition.
2298
:param name: the name used to refer to the option.
2300
:param override_from_env: A list of environment variables which can
2301
provide override any configuration setting.
2303
:param default: the default value to use when none exist in the config
2304
stores. This is either a string that ``from_unicode`` will convert
2305
into the proper type, a callable returning a unicode string so that
2306
``from_unicode`` can be used on the return value, or a python
2307
object that can be stringified (so only the empty list is supported
2310
:param default_from_env: A list of environment variables which can
2311
provide a default value. 'default' will be used only if none of the
2312
variables specified here are set in the environment.
2314
:param help: a doc string to explain the option to the user.
2316
:param from_unicode: a callable to convert the unicode string
2317
representing the option value in a store or its default value.
2319
:param invalid: the action to be taken when an invalid value is
2320
encountered in a store. This is called only when from_unicode is
2321
invoked to convert a string and returns None or raise ValueError or
2322
TypeError. Accepted values are: None (ignore invalid values),
2323
'warning' (emit a warning), 'error' (emit an error message and
2326
:param unquote: should the unicode value be unquoted before conversion.
2327
This should be used only when the store providing the values cannot
2328
safely unquote them (see http://pad.lv/906897). It is provided so
2329
daughter classes can handle the quoting themselves.
2331
if override_from_env is None:
2332
override_from_env = []
2333
if default_from_env is None:
2334
default_from_env = []
2336
self.override_from_env = override_from_env
2337
# Convert the default value to a unicode string so all values are
2338
# strings internally before conversion (via from_unicode) is attempted.
2341
elif isinstance(default, list):
2342
# Only the empty list is supported
2344
raise AssertionError(
2345
'Only empty lists are supported as default values')
2347
elif isinstance(default, (str, unicode, bool, int, float)):
2348
# Rely on python to convert strings, booleans and integers
2349
self.default = u'%s' % (default,)
2350
elif callable(default):
2351
self.default = default
2353
# other python objects are not expected
2354
raise AssertionError('%r is not supported as a default value'
2356
self.default_from_env = default_from_env
2358
self.from_unicode = from_unicode
2359
self.unquote = unquote
2360
if invalid and invalid not in ('warning', 'error'):
2361
raise AssertionError("%s not supported for 'invalid'" % (invalid,))
2362
self.invalid = invalid
2368
def convert_from_unicode(self, store, unicode_value):
2369
if self.unquote and store is not None and unicode_value is not None:
2370
unicode_value = store.unquote(unicode_value)
2371
if self.from_unicode is None or unicode_value is None:
2372
# Don't convert or nothing to convert
2373
return unicode_value
2375
converted = self.from_unicode(unicode_value)
2376
except (ValueError, TypeError):
2377
# Invalid values are ignored
2379
if converted is None and self.invalid is not None:
2380
# The conversion failed
2381
if self.invalid == 'warning':
2382
trace.warning('Value "%s" is not valid for "%s"',
2383
unicode_value, self.name)
2384
elif self.invalid == 'error':
2385
raise errors.ConfigOptionValueError(self.name, unicode_value)
2388
def get_override(self):
2390
for var in self.override_from_env:
2392
# If the env variable is defined, its value takes precedence
2393
value = os.environ[var].decode(osutils.get_user_encoding())
2399
def get_default(self):
2401
for var in self.default_from_env:
2403
# If the env variable is defined, its value is the default one
2404
value = os.environ[var].decode(osutils.get_user_encoding())
2409
# Otherwise, fallback to the value defined at registration
2410
if callable(self.default):
2411
value = self.default()
2412
if not isinstance(value, unicode):
2413
raise AssertionError(
2414
"Callable default value for '%s' should be unicode"
2417
value = self.default
2420
def get_help_topic(self):
2423
def get_help_text(self, additional_see_also=None, plain=True):
2425
from bzrlib import help_topics
2426
result += help_topics._format_see_also(additional_see_also)
2428
result = help_topics.help_as_plain_text(result)
2432
# Predefined converters to get proper values from store
2434
def bool_from_store(unicode_str):
2435
return ui.bool_from_string(unicode_str)
2438
def int_from_store(unicode_str):
2439
return int(unicode_str)
2442
_unit_suffixes = dict(K=10**3, M=10**6, G=10**9)
2444
def int_SI_from_store(unicode_str):
2445
"""Convert a human readable size in SI units, e.g 10MB into an integer.
2447
Accepted suffixes are K,M,G. It is case-insensitive and may be followed
2448
by a trailing b (i.e. Kb, MB). This is intended to be practical and not
2451
:return Integer, expanded to its base-10 value if a proper SI unit is
2452
found, None otherwise.
2454
regexp = "^(\d+)(([" + ''.join(_unit_suffixes) + "])b?)?$"
2455
p = re.compile(regexp, re.IGNORECASE)
2456
m = p.match(unicode_str)
2459
val, _, unit = m.groups()
2463
coeff = _unit_suffixes[unit.upper()]
2465
raise ValueError(gettext('{0} is not an SI unit.').format(unit))
2470
def float_from_store(unicode_str):
2471
return float(unicode_str)
2474
# Use an empty dict to initialize an empty configobj avoiding all parsing and
2476
_list_converter_config = configobj.ConfigObj(
2477
{}, encoding='utf-8', list_values=True, interpolation=False)
2480
class ListOption(Option):
2482
def __init__(self, name, default=None, default_from_env=None,
2483
help=None, invalid=None):
2484
"""A list Option definition.
2486
This overrides the base class so the conversion from a unicode string
2487
can take quoting into account.
2489
super(ListOption, self).__init__(
2490
name, default=default, default_from_env=default_from_env,
2491
from_unicode=self.from_unicode, help=help,
2492
invalid=invalid, unquote=False)
2494
def from_unicode(self, unicode_str):
2495
if not isinstance(unicode_str, basestring):
2497
# Now inject our string directly as unicode. All callers got their
2498
# value from configobj, so values that need to be quoted are already
2500
_list_converter_config.reset()
2501
_list_converter_config._parse([u"list=%s" % (unicode_str,)])
2502
maybe_list = _list_converter_config['list']
2503
if isinstance(maybe_list, basestring):
2505
# A single value, most probably the user forgot (or didn't care
2506
# to add) the final ','
2509
# The empty string, convert to empty list
2512
# We rely on ConfigObj providing us with a list already
2517
class RegistryOption(Option):
2518
"""Option for a choice from a registry."""
2520
def __init__(self, name, registry, default_from_env=None,
2521
help=None, invalid=None):
2522
"""A registry based Option definition.
2524
This overrides the base class so the conversion from a unicode string
2525
can take quoting into account.
2527
super(RegistryOption, self).__init__(
2528
name, default=lambda: unicode(registry.default_key),
2529
default_from_env=default_from_env,
2530
from_unicode=self.from_unicode, help=help,
2531
invalid=invalid, unquote=False)
2532
self.registry = registry
2534
def from_unicode(self, unicode_str):
2535
if not isinstance(unicode_str, basestring):
2538
return self.registry.get(unicode_str)
2541
"Invalid value %s for %s."
2542
"See help for a list of possible values." % (unicode_str,
2547
ret = [self._help, "\n\nThe following values are supported:\n"]
2548
for key in self.registry.keys():
2549
ret.append(" %s - %s\n" % (key, self.registry.get_help(key)))
2553
_option_ref_re = lazy_regex.lazy_compile('({[^\d\W](?:\.\w|-\w|\w)*})')
2554
"""Describes an expandable option reference.
2556
We want to match the most embedded reference first.
2558
I.e. for '{{foo}}' we will get '{foo}',
2559
for '{bar{baz}}' we will get '{baz}'
2562
def iter_option_refs(string):
2563
# Split isolate refs so every other chunk is a ref
2565
for chunk in _option_ref_re.split(string):
2570
class OptionRegistry(registry.Registry):
2571
"""Register config options by their name.
2573
This overrides ``registry.Registry`` to simplify registration by acquiring
2574
some information from the option object itself.
2577
def _check_option_name(self, option_name):
2578
"""Ensures an option name is valid.
2580
:param option_name: The name to validate.
2582
if _option_ref_re.match('{%s}' % option_name) is None:
2583
raise errors.IllegalOptionName(option_name)
2585
def register(self, option):
2586
"""Register a new option to its name.
2588
:param option: The option to register. Its name is used as the key.
2590
self._check_option_name(option.name)
2591
super(OptionRegistry, self).register(option.name, option,
2594
def register_lazy(self, key, module_name, member_name):
2595
"""Register a new option to be loaded on request.
2597
:param key: the key to request the option later. Since the registration
2598
is lazy, it should be provided and match the option name.
2600
:param module_name: the python path to the module. Such as 'os.path'.
2602
:param member_name: the member of the module to return. If empty or
2603
None, get() will return the module itself.
2605
self._check_option_name(key)
2606
super(OptionRegistry, self).register_lazy(key,
2607
module_name, member_name)
2609
def get_help(self, key=None):
2610
"""Get the help text associated with the given key"""
2611
option = self.get(key)
2612
the_help = option.help
2613
if callable(the_help):
2614
return the_help(self, key)
2618
option_registry = OptionRegistry()
2621
# Registered options in lexicographical order
2623
option_registry.register(
2624
Option('append_revisions_only',
2625
default=None, from_unicode=bool_from_store, invalid='warning',
2627
Whether to only append revisions to the mainline.
2629
If this is set to true, then it is not possible to change the
2630
existing mainline of the branch.
2632
option_registry.register(
2633
ListOption('acceptable_keys',
2636
List of GPG key patterns which are acceptable for verification.
2638
option_registry.register(
2639
Option('add.maximum_file_size',
2640
default=u'20MB', from_unicode=int_SI_from_store,
2642
Size above which files should be added manually.
2644
Files below this size are added automatically when using ``bzr add`` without
2647
A negative value means disable the size check.
2649
option_registry.register(
2651
default=None, from_unicode=bool_from_store,
2653
Is the branch bound to ``bound_location``.
2655
If set to "True", the branch should act as a checkout, and push each commit to
2656
the bound_location. This option is normally set by ``bind``/``unbind``.
2658
See also: bound_location.
2660
option_registry.register(
2661
Option('bound_location',
2664
The location that commits should go to when acting as a checkout.
2666
This option is normally set by ``bind``.
2670
option_registry.register(
2671
Option('branch.fetch_tags', default=False, from_unicode=bool_from_store,
2673
Whether revisions associated with tags should be fetched.
2675
option_registry.register_lazy(
2676
'bzr.transform.orphan_policy', 'bzrlib.transform', 'opt_transform_orphan')
2677
option_registry.register(
2678
Option('bzr.workingtree.worth_saving_limit', default=10,
2679
from_unicode=int_from_store, invalid='warning',
2681
How many changes before saving the dirstate.
2683
-1 means that we will never rewrite the dirstate file for only
2684
stat-cache changes. Regardless of this setting, we will always rewrite
2685
the dirstate file if a file is added/removed/renamed/etc. This flag only
2686
affects the behavior of updating the dirstate file after we notice that
2687
a file has been touched.
2689
option_registry.register(
2690
Option('bugtracker', default=None,
2692
Default bug tracker to use.
2694
This bug tracker will be used for example when marking bugs
2695
as fixed using ``bzr commit --fixes``, if no explicit
2696
bug tracker was specified.
2698
option_registry.register(
2699
Option('check_signatures', default=CHECK_IF_POSSIBLE,
2700
from_unicode=signature_policy_from_unicode,
2702
GPG checking policy.
2704
Possible values: require, ignore, check-available (default)
2706
this option will control whether bzr will require good gpg
2707
signatures, ignore them, or check them if they are
2710
option_registry.register(
2711
Option('child_submit_format',
2712
help='''The preferred format of submissions to this branch.'''))
2713
option_registry.register(
2714
Option('child_submit_to',
2715
help='''Where submissions to this branch are mailed to.'''))
2716
option_registry.register(
2717
Option('create_signatures', default=SIGN_WHEN_REQUIRED,
2718
from_unicode=signing_policy_from_unicode,
2722
Possible values: always, never, when-required (default)
2724
This option controls whether bzr will always create
2725
gpg signatures or not on commits.
2727
option_registry.register(
2728
Option('dirstate.fdatasync', default=True,
2729
from_unicode=bool_from_store,
2731
Flush dirstate changes onto physical disk?
2733
If true (default), working tree metadata changes are flushed through the
2734
OS buffers to physical disk. This is somewhat slower, but means data
2735
should not be lost if the machine crashes. See also repository.fdatasync.
2737
option_registry.register(
2738
ListOption('debug_flags', default=[],
2739
help='Debug flags to activate.'))
2740
option_registry.register(
2741
Option('default_format', default='2a',
2742
help='Format used when creating branches.'))
2743
option_registry.register(
2744
Option('dpush_strict', default=None,
2745
from_unicode=bool_from_store,
2747
The default value for ``dpush --strict``.
2749
If present, defines the ``--strict`` option default value for checking
2750
uncommitted changes before pushing into a different VCS without any
2751
custom bzr metadata.
2753
option_registry.register(
2755
help='The command called to launch an editor to enter a message.'))
2756
option_registry.register(
2757
Option('email', override_from_env=['BZR_EMAIL'], default=default_email,
2758
help='The users identity'))
2759
option_registry.register(
2760
Option('gpg_signing_command',
2763
Program to use use for creating signatures.
2765
This should support at least the -u and --clearsign options.
2767
option_registry.register(
2768
Option('gpg_signing_key',
2771
GPG key to use for signing.
2773
This defaults to the first key associated with the users email.
2775
option_registry.register(
2776
Option('ignore_missing_extensions', default=False,
2777
from_unicode=bool_from_store,
2779
Control the missing extensions warning display.
2781
The warning will not be emitted if set to True.
2783
option_registry.register(
2785
help='Language to translate messages into.'))
2786
option_registry.register(
2787
Option('locks.steal_dead', default=False, from_unicode=bool_from_store,
2789
Steal locks that appears to be dead.
2791
If set to True, bzr will check if a lock is supposed to be held by an
2792
active process from the same user on the same machine. If the user and
2793
machine match, but no process with the given PID is active, then bzr
2794
will automatically break the stale lock, and create a new lock for
2796
Otherwise, bzr will prompt as normal to break the lock.
2798
option_registry.register(
2799
Option('log_format', default='long',
2801
Log format to use when displaying revisions.
2803
Standard log formats are ``long``, ``short`` and ``line``. Additional formats
2804
may be provided by plugins.
2806
option_registry.register_lazy('mail_client', 'bzrlib.mail_client',
2808
option_registry.register(
2809
Option('output_encoding',
2810
help= 'Unicode encoding for output'
2811
' (terminal encoding if not specified).'))
2812
option_registry.register(
2813
Option('parent_location',
2816
The location of the default branch for pull or merge.
2818
This option is normally set when creating a branch, the first ``pull`` or by
2819
``pull --remember``.
2821
option_registry.register(
2822
Option('post_commit', default=None,
2824
Post commit functions.
2826
An ordered list of python functions to call, separated by spaces.
2828
Each function takes branch, rev_id as parameters.
2830
option_registry.register_lazy('progress_bar', 'bzrlib.ui.text',
2832
option_registry.register(
2833
Option('public_branch',
2836
A publically-accessible version of this branch.
2838
This implies that the branch setting this option is not publically-accessible.
2839
Used and set by ``bzr send``.
2841
option_registry.register(
2842
Option('push_location',
2845
The location of the default branch for push.
2847
This option is normally set by the first ``push`` or ``push --remember``.
2849
option_registry.register(
2850
Option('push_strict', default=None,
2851
from_unicode=bool_from_store,
2853
The default value for ``push --strict``.
2855
If present, defines the ``--strict`` option default value for checking
2856
uncommitted changes before sending a merge directive.
2858
option_registry.register(
2859
Option('repository.fdatasync', default=True,
2860
from_unicode=bool_from_store,
2862
Flush repository changes onto physical disk?
2864
If true (default), repository changes are flushed through the OS buffers
2865
to physical disk. This is somewhat slower, but means data should not be
2866
lost if the machine crashes. See also dirstate.fdatasync.
2868
option_registry.register_lazy('smtp_server',
2869
'bzrlib.smtp_connection', 'smtp_server')
2870
option_registry.register_lazy('smtp_password',
2871
'bzrlib.smtp_connection', 'smtp_password')
2872
option_registry.register_lazy('smtp_username',
2873
'bzrlib.smtp_connection', 'smtp_username')
2874
option_registry.register(
2875
Option('selftest.timeout',
2877
from_unicode=int_from_store,
2878
help='Abort selftest if one test takes longer than this many seconds',
2881
option_registry.register(
2882
Option('send_strict', default=None,
2883
from_unicode=bool_from_store,
2885
The default value for ``send --strict``.
2887
If present, defines the ``--strict`` option default value for checking
2888
uncommitted changes before sending a bundle.
2891
option_registry.register(
2892
Option('serve.client_timeout',
2893
default=300.0, from_unicode=float_from_store,
2894
help="If we wait for a new request from a client for more than"
2895
" X seconds, consider the client idle, and hangup."))
2896
option_registry.register(
2897
Option('stacked_on_location',
2899
help="""The location where this branch is stacked on."""))
2900
option_registry.register(
2901
Option('submit_branch',
2904
The branch you intend to submit your current work to.
2906
This is automatically set by ``bzr send`` and ``bzr merge``, and is also used
2907
by the ``submit:`` revision spec.
2909
option_registry.register(
2911
help='''Where submissions from this branch are mailed to.'''))
2912
option_registry.register(
2913
ListOption('suppress_warnings',
2915
help="List of warning classes to suppress."))
2916
option_registry.register(
2917
Option('validate_signatures_in_log', default=False,
2918
from_unicode=bool_from_store, invalid='warning',
2919
help='''Whether to validate signatures in bzr log.'''))
2920
option_registry.register_lazy('ssl.ca_certs',
2921
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_ca_certs')
2923
option_registry.register_lazy('ssl.cert_reqs',
2924
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_cert_reqs')
2927
2097
class Section(object):
2928
"""A section defines a dict of option name => value.
2098
"""A section defines a dict of options.
2930
2100
This is merely a read-only dict which can add some knowledge about the
2931
2101
options. It is *not* a python dict object though and doesn't try to mimic
3474
2381
sections = self.store.get_sections()
3475
2382
# Walk the revisions in the order provided
3476
for store, s in sections:
3477
2384
if self.match(s):
3480
def match(self, section):
3481
"""Does the proposed section match.
3483
:param section: A Section object.
3485
:returns: True if the section matches, False otherwise.
2387
def match(self, secion):
3487
2388
raise NotImplementedError(self.match)
3490
class NameMatcher(SectionMatcher):
3492
def __init__(self, store, section_id):
3493
super(NameMatcher, self).__init__(store)
3494
self.section_id = section_id
3496
def match(self, section):
3497
return section.id == self.section_id
3500
2391
class LocationSection(Section):
3502
def __init__(self, section, extra_path, branch_name=None):
2393
def __init__(self, section, length, extra_path):
3503
2394
super(LocationSection, self).__init__(section.id, section.options)
2395
self.length = length
3504
2396
self.extra_path = extra_path
3505
if branch_name is None:
3507
self.locals = {'relpath': extra_path,
3508
'basename': urlutils.basename(extra_path),
3509
'branchname': branch_name}
3511
def get(self, name, default=None, expand=True):
2398
def get(self, name, default=None):
3512
2399
value = super(LocationSection, self).get(name, default)
3513
if value is not None and expand:
2400
if value is not None:
3514
2401
policy_name = self.get(name + ':policy', None)
3515
2402
policy = _policy_value.get(policy_name, POLICY_NONE)
3516
2403
if policy == POLICY_APPENDPATH:
3517
2404
value = urlutils.join(value, self.extra_path)
3518
# expand section local options right now (since POLICY_APPENDPATH
3519
# will never add options references, it's ok to expand after it).
3521
for is_ref, chunk in iter_option_refs(value):
3523
chunks.append(chunk)
3526
if ref in self.locals:
3527
chunks.append(self.locals[ref])
3529
chunks.append(chunk)
3530
value = ''.join(chunks)
3534
class StartingPathMatcher(SectionMatcher):
3535
"""Select sections for a given location respecting the Store order."""
3537
# FIXME: Both local paths and urls can be used for section names as well as
3538
# ``location`` to stay consistent with ``LocationMatcher`` which itself
3539
# inherited the fuzziness from the previous ``LocationConfig``
3540
# implementation. We probably need to revisit which encoding is allowed for
3541
# both ``location`` and section names and how we normalize
3542
# them. http://pad.lv/85479, http://pad.lv/437009 and http://359320 are
3543
# related too. -- vila 2012-01-04
3545
def __init__(self, store, location):
3546
super(StartingPathMatcher, self).__init__(store)
3547
if location.startswith('file://'):
3548
location = urlutils.local_path_from_url(location)
3549
self.location = location
3551
def get_sections(self):
3552
"""Get all sections matching ``location`` in the store.
3554
The most generic sections are described first in the store, then more
3555
specific ones can be provided for reduced scopes.
3557
The returned section are therefore returned in the reversed order so
3558
the most specific ones can be found first.
3560
location_parts = self.location.rstrip('/').split('/')
3562
# Later sections are more specific, they should be returned first
3563
for _, section in reversed(list(store.get_sections())):
3564
if section.id is None:
3565
# The no-name section is always included if present
3566
yield store, LocationSection(section, self.location)
3568
section_path = section.id
3569
if section_path.startswith('file://'):
3570
# the location is already a local path or URL, convert the
3571
# section id to the same format
3572
section_path = urlutils.local_path_from_url(section_path)
3573
if (self.location.startswith(section_path)
3574
or fnmatch.fnmatch(self.location, section_path)):
3575
section_parts = section_path.rstrip('/').split('/')
3576
extra_path = '/'.join(location_parts[len(section_parts):])
3577
yield store, LocationSection(section, extra_path)
3580
2408
class LocationMatcher(SectionMatcher):
3582
2410
def __init__(self, store, location):
3583
2411
super(LocationMatcher, self).__init__(store)
3584
url, params = urlutils.split_segment_parameters(location)
3585
if location.startswith('file://'):
3586
location = urlutils.local_path_from_url(location)
3587
2412
self.location = location
3588
branch_name = params.get('branch')
3589
if branch_name is None:
3590
self.branch_name = urlutils.basename(self.location)
3592
self.branch_name = urlutils.unescape(branch_name)
3594
def _get_matching_sections(self):
3595
"""Get all sections matching ``location``."""
3596
# We slightly diverge from LocalConfig here by allowing the no-name
3597
# section as the most generic one and the lower priority.
3598
no_name_section = None
3600
# Filter out the no_name_section so _iter_for_location_by_parts can be
3601
# used (it assumes all sections have a name).
3602
for _, section in self.store.get_sections():
3603
if section.id is None:
3604
no_name_section = section
3606
all_sections.append(section)
3607
# Unfortunately _iter_for_location_by_parts deals with section names so
3608
# we have to resync.
2414
def get_sections(self):
2415
# Override the default implementation as we want to change the order
2417
# The following is a bit hackish but ensures compatibility with
2418
# LocationConfig by reusing the same code
2419
sections = list(self.store.get_sections())
3609
2420
filtered_sections = _iter_for_location_by_parts(
3610
[s.id for s in all_sections], self.location)
3611
iter_all_sections = iter(all_sections)
2421
[s.id for s in sections], self.location)
2422
iter_sections = iter(sections)
3612
2423
matching_sections = []
3613
if no_name_section is not None:
3614
matching_sections.append(
3615
(0, LocationSection(no_name_section, self.location)))
3616
2424
for section_id, extra_path, length in filtered_sections:
3617
# a section id is unique for a given store so it's safe to take the
3618
# first matching section while iterating. Also, all filtered
3619
# sections are part of 'all_sections' and will always be found
3622
section = iter_all_sections.next()
3623
if section_id == section.id:
3624
section = LocationSection(section, extra_path,
3626
matching_sections.append((length, section))
3628
return matching_sections
3630
def get_sections(self):
3631
# Override the default implementation as we want to change the order
3632
matching_sections = self._get_matching_sections()
2425
# a section id is unique for a given store so it's safe to iterate
2427
section = iter_sections.next()
2428
if section_id == section.id:
2429
matching_sections.append(
2430
LocationSection(section, length, extra_path))
3633
2431
# We want the longest (aka more specific) locations first
3634
2432
sections = sorted(matching_sections,
3635
key=lambda (length, section): (length, section.id),
2433
key=lambda section: (section.length, section.id),
3637
2435
# Sections mentioning 'ignore_parents' restrict the selection
3638
for _, section in sections:
2436
for section in sections:
3639
2437
# FIXME: We really want to use as_bool below -- vila 2011-04-07
3640
2438
ignore = section.get('ignore_parents', None)
3641
2439
if ignore is not None:
3819
2498
This is where we guarantee that the mutable section is lazily loaded:
3820
2499
this means we won't load the corresponding store before setting a value
3821
2500
or deleting an option. In practice the store will often be loaded but
3822
this helps catching some programming errors.
2501
this allows catching some programming errors.
3825
section = store.get_mutable_section(self.mutable_section_id)
3826
return store, section
2503
section = self.store.get_mutable_section(self.mutable_section_name)
3828
2506
def set(self, name, value):
3829
2507
"""Set a new value for the option."""
3830
store, section = self._get_mutable_section()
3831
section.set(name, store.quote(value))
3832
for hook in ConfigHooks['set']:
3833
hook(self, name, value)
2508
section = self._get_mutable_section()
2509
section.set(name, value)
3835
2511
def remove(self, name):
3836
2512
"""Remove an existing option."""
3837
_, section = self._get_mutable_section()
2513
section = self._get_mutable_section()
3838
2514
section.remove(name)
3839
for hook in ConfigHooks['remove']:
3842
2516
def __repr__(self):
3843
2517
# Mostly for debugging use
3844
2518
return "<config.%s(%s)>" % (self.__class__.__name__, id(self))
3846
def _get_overrides(self):
3847
# FIXME: Hack around library_state.initialize never called
3848
if bzrlib.global_state is not None:
3849
return bzrlib.global_state.cmdline_overrides.get_sections()
3852
def get_shared_store(self, store, state=None):
3853
"""Get a known shared store.
3855
Store urls uniquely identify them and are used to ensure a single copy
3856
is shared across all users.
3858
:param store: The store known to the caller.
3860
:param state: The library state where the known stores are kept.
3862
:returns: The store received if it's not a known one, an already known
3866
state = bzrlib.global_state
3868
global _shared_stores_at_exit_installed
3869
stores = _shared_stores
3870
def save_config_changes():
3871
for k, store in stores.iteritems():
3872
store.save_changes()
3873
if not _shared_stores_at_exit_installed:
3874
# FIXME: Ugly hack waiting for library_state to always be
3875
# available. -- vila 20120731
3877
atexit.register(save_config_changes)
3878
_shared_stores_at_exit_installed = True
3880
stores = state.config_stores
3881
url = store.external_url()
3889
class MemoryStack(Stack):
3890
"""A configuration stack defined from a string.
3892
This is mainly intended for tests and requires no disk resources.
3895
def __init__(self, content=None):
3896
"""Create an in-memory stack from a given content.
3898
It uses a single store based on configobj and support reading and
3901
:param content: The initial content of the store. If None, the store is
3902
not loaded and ``_load_from_string`` can and should be used if
3905
store = IniFileStore()
3906
if content is not None:
3907
store._load_from_string(content)
3908
super(MemoryStack, self).__init__(
3909
[store.get_sections], store)
3912
class _CompatibleStack(Stack):
3913
"""Place holder for compatibility with previous design.
3915
This is intended to ease the transition from the Config-based design to the
3916
Stack-based design and should not be used nor relied upon by plugins.
3918
One assumption made here is that the daughter classes will all use Stores
3919
derived from LockableIniFileStore).
3921
It implements set() and remove () by re-loading the store before applying
3922
the modification and saving it.
3924
The long term plan being to implement a single write by store to save
3925
all modifications, this class should not be used in the interim.
3928
def set(self, name, value):
3931
super(_CompatibleStack, self).set(name, value)
3932
# Force a write to persistent storage
3935
def remove(self, name):
3938
super(_CompatibleStack, self).remove(name)
3939
# Force a write to persistent storage
3943
class GlobalStack(Stack):
3944
"""Global options only stack.
3946
The following sections are queried:
3948
* command-line overrides,
3950
* the 'DEFAULT' section in bazaar.conf
3952
This stack will use the ``DEFAULT`` section in bazaar.conf as its
3957
gstore = self.get_shared_store(GlobalStore())
3958
super(GlobalStack, self).__init__(
3959
[self._get_overrides,
3960
NameMatcher(gstore, 'DEFAULT').get_sections],
3961
gstore, mutable_section_id='DEFAULT')
3964
class LocationStack(Stack):
3965
"""Per-location options falling back to global options stack.
3968
The following sections are queried:
3970
* command-line overrides,
3972
* the sections matching ``location`` in ``locations.conf``, the order being
3973
defined by the number of path components in the section glob, higher
3974
numbers first (from most specific section to most generic).
3976
* the 'DEFAULT' section in bazaar.conf
3978
This stack will use the ``location`` section in locations.conf as its
3982
def __init__(self, location):
3983
"""Make a new stack for a location and global configuration.
3985
:param location: A URL prefix to """
3986
lstore = self.get_shared_store(LocationStore())
3987
if location.startswith('file://'):
3988
location = urlutils.local_path_from_url(location)
3989
gstore = self.get_shared_store(GlobalStore())
3990
super(LocationStack, self).__init__(
3991
[self._get_overrides,
3992
LocationMatcher(lstore, location).get_sections,
3993
NameMatcher(gstore, 'DEFAULT').get_sections],
3994
lstore, mutable_section_id=location)
3997
class BranchStack(Stack):
3998
"""Per-location options falling back to branch then global options stack.
4000
The following sections are queried:
4002
* command-line overrides,
4004
* the sections matching ``location`` in ``locations.conf``, the order being
4005
defined by the number of path components in the section glob, higher
4006
numbers first (from most specific section to most generic),
4008
* the no-name section in branch.conf,
4010
* the ``DEFAULT`` section in ``bazaar.conf``.
4012
This stack will use the no-name section in ``branch.conf`` as its
4016
def __init__(self, branch):
4017
lstore = self.get_shared_store(LocationStore())
4018
bstore = branch._get_config_store()
4019
gstore = self.get_shared_store(GlobalStore())
4020
super(BranchStack, self).__init__(
4021
[self._get_overrides,
4022
LocationMatcher(lstore, branch.base).get_sections,
4023
NameMatcher(bstore, None).get_sections,
4024
NameMatcher(gstore, 'DEFAULT').get_sections],
4026
self.branch = branch
4028
def lock_write(self, token=None):
4029
return self.branch.lock_write(token)
4032
return self.branch.unlock()
4035
def set(self, name, value):
4036
super(BranchStack, self).set(name, value)
4037
# Unlocking the branch will trigger a store.save_changes() so the last
4038
# unlock saves all the changes.
4041
def remove(self, name):
4042
super(BranchStack, self).remove(name)
4043
# Unlocking the branch will trigger a store.save_changes() so the last
4044
# unlock saves all the changes.
4047
class RemoteControlStack(Stack):
4048
"""Remote control-only options stack."""
4050
# FIXME 2011-11-22 JRV This should probably be renamed to avoid confusion
4051
# with the stack used for remote bzr dirs. RemoteControlStack only uses
4052
# control.conf and is used only for stack options.
4054
def __init__(self, bzrdir):
4055
cstore = bzrdir._get_config_store()
4056
super(RemoteControlStack, self).__init__(
4057
[NameMatcher(cstore, None).get_sections],
4059
self.bzrdir = bzrdir
4062
class BranchOnlyStack(Stack):
4063
"""Branch-only options stack."""
4065
# FIXME: _BranchOnlyStack only uses branch.conf and is used only for the
4066
# stacked_on_location options waiting for http://pad.lv/832042 to be fixed.
4067
# -- vila 2011-12-16
4069
def __init__(self, branch):
4070
bstore = branch._get_config_store()
4071
super(BranchOnlyStack, self).__init__(
4072
[NameMatcher(bstore, None).get_sections],
4074
self.branch = branch
4076
def lock_write(self, token=None):
4077
return self.branch.lock_write(token)
4080
return self.branch.unlock()
4083
def set(self, name, value):
4084
super(BranchOnlyStack, self).set(name, value)
4085
# Force a write to persistent storage
4086
self.store.save_changes()
4089
def remove(self, name):
4090
super(BranchOnlyStack, self).remove(name)
4091
# Force a write to persistent storage
4092
self.store.save_changes()
4095
2521
class cmd_config(commands.Command):
4096
2522
__doc__ = """Display, set or remove a configuration option.
4098
Display the active value for option NAME.
2524
Display the active value for a given option.
4100
2526
If --all is specified, NAME is interpreted as a regular expression and all
4101
matching options are displayed mentioning their scope and without resolving
4102
option references in the value). The active value that bzr will take into
4103
account is the first one displayed for each option.
4105
If NAME is not given, --all .* is implied (all options are displayed for the
4108
Setting a value is achieved by using NAME=value without spaces. The value
2527
matching options are displayed mentioning their scope. The active value
2528
that bzr will take into account is the first one displayed for each option.
2530
If no NAME is given, --all .* is implied.
2532
Setting a value is achieved by using name=value without spaces. The value
4109
2533
is set in the most relevant scope and can be checked by displaying the
4112
Removing a value is achieved by using --remove NAME.
4115
2537
takes_args = ['name?']
4163
2581
# Set the option value
4164
2582
self._set_config_option(name, value, directory, scope)
4166
def _get_stack(self, directory, scope=None, write_access=False):
4167
"""Get the configuration stack specified by ``directory`` and ``scope``.
2584
def _get_configs(self, directory, scope=None):
2585
"""Iterate the configurations specified by ``directory`` and ``scope``.
4169
2587
:param directory: Where the configurations are derived from.
4171
2589
:param scope: A specific config to start from.
4173
:param write_access: Whether a write access to the stack will be
4176
# FIXME: scope should allow access to plugin-specific stacks (even
4177
# reduced to the plugin-specific store), related to
4178
# http://pad.lv/788991 -- vila 2011-11-15
4179
2591
if scope is not None:
4180
2592
if scope == 'bazaar':
4181
return GlobalStack()
2593
yield GlobalConfig()
4182
2594
elif scope == 'locations':
4183
return LocationStack(directory)
2595
yield LocationConfig(directory)
4184
2596
elif scope == 'branch':
4186
controldir.ControlDir.open_containing_tree_or_branch(
4189
self.add_cleanup(br.lock_write().unlock)
4190
return br.get_config_stack()
4191
raise errors.NoSuchConfig(scope)
2597
(_, br, _) = bzrdir.BzrDir.open_containing_tree_or_branch(
2599
yield br.get_config()
4195
controldir.ControlDir.open_containing_tree_or_branch(
4198
self.add_cleanup(br.lock_write().unlock)
4199
return br.get_config_stack()
2602
(_, br, _) = bzrdir.BzrDir.open_containing_tree_or_branch(
2604
yield br.get_config()
4200
2605
except errors.NotBranchError:
4201
return LocationStack(directory)
4203
def _quote_multiline(self, value):
4205
value = '"""' + value + '"""'
2606
yield LocationConfig(directory)
2607
yield GlobalConfig()
4208
2609
def _show_value(self, name, directory, scope):
4209
conf = self._get_stack(directory, scope)
4210
value = conf.get(name, expand=True, convert=False)
4211
if value is not None:
4212
# Quote the value appropriately
4213
value = self._quote_multiline(value)
4214
self.outf.write('%s\n' % (value,))
2611
for c in self._get_configs(directory, scope):
2614
for (oname, value, section, conf_id, parser) in c._get_options():
2616
# Display only the first value and exit
2618
# FIXME: We need to use get_user_option to take policies
2619
# into account and we need to make sure the option exists
2620
# too (hence the two for loops), this needs a better API
2622
value = c.get_user_option(name)
2623
# Quote the value appropriately
2624
value = parser._quote(value)
2625
self.outf.write('%s\n' % (value,))
4216
2629
raise errors.NoSuchConfigOption(name)
4218
2631
def _show_matching_options(self, name, directory, scope):
4219
name = lazy_regex.lazy_compile(name)
2632
name = re.compile(name)
4220
2633
# We want any error in the regexp to be raised *now* so we need to
4221
# avoid the delay introduced by the lazy regexp. But, we still do
4222
# want the nicer errors raised by lazy_regex.
2634
# avoid the delay introduced by the lazy regexp.
4223
2635
name._compile_and_collapse()
4225
2637
cur_section = None
4226
conf = self._get_stack(directory, scope)
4227
for store, section in conf.iter_sections():
4228
for oname in section.iter_option_names():
2638
for c in self._get_configs(directory, scope):
2639
for (oname, value, section, conf_id, parser) in c._get_options():
4229
2640
if name.search(oname):
4230
if cur_store_id != store.id:
2641
if cur_conf_id != conf_id:
4231
2642
# Explain where the options are defined
4232
self.outf.write('%s:\n' % (store.id,))
4233
cur_store_id = store.id
2643
self.outf.write('%s:\n' % (conf_id,))
2644
cur_conf_id = conf_id
4234
2645
cur_section = None
4235
if (section.id is not None and cur_section != section.id):
4236
# Display the section id as it appears in the store
4237
# (None doesn't appear by definition)
4238
self.outf.write(' [%s]\n' % (section.id,))
4239
cur_section = section.id
4240
value = section.get(oname, expand=False)
4241
# Quote the value appropriately
4242
value = self._quote_multiline(value)
2646
if (section not in (None, 'DEFAULT')
2647
and cur_section != section):
2648
# Display the section if it's not the default (or only)
2650
self.outf.write(' [%s]\n' % (section,))
2651
cur_section = section
4243
2652
self.outf.write(' %s = %s\n' % (oname, value))
4245
2654
def _set_config_option(self, name, value, directory, scope):
4246
conf = self._get_stack(directory, scope, write_access=True)
4247
conf.set(name, value)
4248
# Explicitly save the changes
4249
conf.store.save_changes()
2655
for conf in self._get_configs(directory, scope):
2656
conf.set_user_option(name, value)
2659
raise errors.NoSuchConfig(scope)
4251
2661
def _remove_config_option(self, name, directory, scope):
4252
2662
if name is None:
4253
2663
raise errors.BzrCommandError(
4254
2664
'--remove expects an option to remove.')
4255
conf = self._get_stack(directory, scope, write_access=True)
4258
# Explicitly save the changes
4259
conf.store.save_changes()
2666
for conf in self._get_configs(directory, scope):
2667
for (section_name, section, conf_id) in conf._get_sections():
2668
if scope is not None and conf_id != scope:
2669
# Not the right configuration file
2672
if conf_id != conf.config_id():
2673
conf = self._get_configs(directory, conf_id).next()
2674
# We use the first section in the first config where the
2675
# option is defined to remove it
2676
conf.remove_user_option(name, section_name)
2681
raise errors.NoSuchConfig(scope)
4261
2683
raise errors.NoSuchConfigOption(name)
4266
# We need adapters that can build a Store or a Stack in a test context. Test
4267
# classes, based on TestCaseWithTransport, can use the registry to parametrize
4268
# themselves. The builder will receive a test instance and should return a
4269
# ready-to-use store or stack. Plugins that define new store/stacks can also
4270
# register themselves here to be tested against the tests defined in
4271
# bzrlib.tests.test_config. Note that the builder can be called multiple times
4272
# for the same test.
4274
# The registered object should be a callable receiving a test instance
4275
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Store
4277
test_store_builder_registry = registry.Registry()
4279
# The registered object should be a callable receiving a test instance
4280
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Stack
4282
test_stack_builder_registry = registry.Registry()