1508
2268
configobj[name] = value
1510
2270
configobj.setdefault(section, {})[name] = value
2271
for hook in OldConfigHooks['set']:
2272
hook(self, name, value)
2273
self._set_configobj(configobj)
2275
def remove_option(self, option_name, section_name=None):
2276
configobj = self._get_configobj()
2277
if section_name is None:
2278
del configobj[option_name]
2280
del configobj[section_name][option_name]
2281
for hook in OldConfigHooks['remove']:
2282
hook(self, option_name)
1511
2283
self._set_configobj(configobj)
1513
2285
def _get_config_file(self):
1515
return StringIO(self._transport.get_bytes(self._filename))
2287
f = StringIO(self._transport.get_bytes(self._filename))
2288
for hook in OldConfigHooks['load']:
1516
2291
except errors.NoSuchFile:
1517
2292
return StringIO()
2293
except errors.PermissionDenied, e:
2294
trace.warning("Permission denied while trying to open "
2295
"configuration file %s.", urlutils.unescape_for_display(
2296
urlutils.join(self._transport.base, self._filename), "utf-8"))
2299
def _external_url(self):
2300
return urlutils.join(self._transport.external_url(), self._filename)
1519
2302
def _get_configobj(self):
1520
return ConfigObj(self._get_config_file(), encoding='utf-8')
2303
f = self._get_config_file()
2306
conf = ConfigObj(f, encoding='utf-8')
2307
except configobj.ConfigObjError, e:
2308
raise errors.ParseConfigError(e.errors, self._external_url())
2309
except UnicodeDecodeError:
2310
raise errors.ConfigContentError(self._external_url())
1522
2315
def _set_configobj(self, configobj):
1523
2316
out_file = StringIO()
1524
2317
configobj.write(out_file)
1525
2318
out_file.seek(0)
1526
2319
self._transport.put_file(self._filename, out_file)
2320
for hook in OldConfigHooks['save']:
2324
class Option(object):
2325
"""An option definition.
2327
The option *values* are stored in config files and found in sections.
2329
Here we define various properties about the option itself, its default
2330
value, how to convert it from stores, what to do when invalid values are
2331
encoutered, in which config files it can be stored.
2334
def __init__(self, name, override_from_env=None,
2335
default=None, default_from_env=None,
2336
help=None, from_unicode=None, invalid=None, unquote=True):
2337
"""Build an option definition.
2339
:param name: the name used to refer to the option.
2341
:param override_from_env: A list of environment variables which can
2342
provide override any configuration setting.
2344
:param default: the default value to use when none exist in the config
2345
stores. This is either a string that ``from_unicode`` will convert
2346
into the proper type, a callable returning a unicode string so that
2347
``from_unicode`` can be used on the return value, or a python
2348
object that can be stringified (so only the empty list is supported
2351
:param default_from_env: A list of environment variables which can
2352
provide a default value. 'default' will be used only if none of the
2353
variables specified here are set in the environment.
2355
:param help: a doc string to explain the option to the user.
2357
:param from_unicode: a callable to convert the unicode string
2358
representing the option value in a store. This is not called for
2361
:param invalid: the action to be taken when an invalid value is
2362
encountered in a store. This is called only when from_unicode is
2363
invoked to convert a string and returns None or raise ValueError or
2364
TypeError. Accepted values are: None (ignore invalid values),
2365
'warning' (emit a warning), 'error' (emit an error message and
2368
:param unquote: should the unicode value be unquoted before conversion.
2369
This should be used only when the store providing the values cannot
2370
safely unquote them (see http://pad.lv/906897). It is provided so
2371
daughter classes can handle the quoting themselves.
2373
if override_from_env is None:
2374
override_from_env = []
2375
if default_from_env is None:
2376
default_from_env = []
2378
self.override_from_env = override_from_env
2379
# Convert the default value to a unicode string so all values are
2380
# strings internally before conversion (via from_unicode) is attempted.
2383
elif isinstance(default, list):
2384
# Only the empty list is supported
2386
raise AssertionError(
2387
'Only empty lists are supported as default values')
2389
elif isinstance(default, (str, unicode, bool, int, float)):
2390
# Rely on python to convert strings, booleans and integers
2391
self.default = u'%s' % (default,)
2392
elif callable(default):
2393
self.default = default
2395
# other python objects are not expected
2396
raise AssertionError('%r is not supported as a default value'
2398
self.default_from_env = default_from_env
2400
self.from_unicode = from_unicode
2401
self.unquote = unquote
2402
if invalid and invalid not in ('warning', 'error'):
2403
raise AssertionError("%s not supported for 'invalid'" % (invalid,))
2404
self.invalid = invalid
2410
def convert_from_unicode(self, store, unicode_value):
2411
if self.unquote and store is not None and unicode_value is not None:
2412
unicode_value = store.unquote(unicode_value)
2413
if self.from_unicode is None or unicode_value is None:
2414
# Don't convert or nothing to convert
2415
return unicode_value
2417
converted = self.from_unicode(unicode_value)
2418
except (ValueError, TypeError):
2419
# Invalid values are ignored
2421
if converted is None and self.invalid is not None:
2422
# The conversion failed
2423
if self.invalid == 'warning':
2424
trace.warning('Value "%s" is not valid for "%s"',
2425
unicode_value, self.name)
2426
elif self.invalid == 'error':
2427
raise errors.ConfigOptionValueError(self.name, unicode_value)
2430
def get_override(self):
2432
for var in self.override_from_env:
2434
# If the env variable is defined, its value takes precedence
2435
value = os.environ[var].decode(osutils.get_user_encoding())
2441
def get_default(self):
2443
for var in self.default_from_env:
2445
# If the env variable is defined, its value is the default one
2446
value = os.environ[var].decode(osutils.get_user_encoding())
2451
# Otherwise, fallback to the value defined at registration
2452
if callable(self.default):
2453
value = self.default()
2454
if not isinstance(value, unicode):
2455
raise AssertionError(
2456
'Callable default values should be unicode')
2458
value = self.default
2461
def get_help_text(self, additional_see_also=None, plain=True):
2463
from bzrlib import help_topics
2464
result += help_topics._format_see_also(additional_see_also)
2466
result = help_topics.help_as_plain_text(result)
2470
# Predefined converters to get proper values from store
2472
def bool_from_store(unicode_str):
2473
return ui.bool_from_string(unicode_str)
2476
def int_from_store(unicode_str):
2477
return int(unicode_str)
2480
_unit_suffixes = dict(K=10**3, M=10**6, G=10**9)
2482
def int_SI_from_store(unicode_str):
2483
"""Convert a human readable size in SI units, e.g 10MB into an integer.
2485
Accepted suffixes are K,M,G. It is case-insensitive and may be followed
2486
by a trailing b (i.e. Kb, MB). This is intended to be practical and not
2489
:return Integer, expanded to its base-10 value if a proper SI unit is
2490
found, None otherwise.
2492
regexp = "^(\d+)(([" + ''.join(_unit_suffixes) + "])b?)?$"
2493
p = re.compile(regexp, re.IGNORECASE)
2494
m = p.match(unicode_str)
2497
val, _, unit = m.groups()
2501
coeff = _unit_suffixes[unit.upper()]
2503
raise ValueError(gettext('{0} is not an SI unit.').format(unit))
2508
def float_from_store(unicode_str):
2509
return float(unicode_str)
2512
# Use a an empty dict to initialize an empty configobj avoiding all
2513
# parsing and encoding checks
2514
_list_converter_config = configobj.ConfigObj(
2515
{}, encoding='utf-8', list_values=True, interpolation=False)
2518
class ListOption(Option):
2520
def __init__(self, name, default=None, default_from_env=None,
2521
help=None, invalid=None):
2522
"""A list Option definition.
2524
This overrides the base class so the conversion from a unicode string
2525
can take quoting into account.
2527
super(ListOption, self).__init__(
2528
name, default=default, default_from_env=default_from_env,
2529
from_unicode=self.from_unicode, help=help,
2530
invalid=invalid, unquote=False)
2532
def from_unicode(self, unicode_str):
2533
if not isinstance(unicode_str, basestring):
2535
# Now inject our string directly as unicode. All callers got their
2536
# value from configobj, so values that need to be quoted are already
2538
_list_converter_config.reset()
2539
_list_converter_config._parse([u"list=%s" % (unicode_str,)])
2540
maybe_list = _list_converter_config['list']
2541
if isinstance(maybe_list, basestring):
2543
# A single value, most probably the user forgot (or didn't care
2544
# to add) the final ','
2547
# The empty string, convert to empty list
2550
# We rely on ConfigObj providing us with a list already
2555
class RegistryOption(Option):
2556
"""Option for a choice from a registry."""
2558
def __init__(self, name, registry, default_from_env=None,
2559
help=None, invalid=None):
2560
"""A registry based Option definition.
2562
This overrides the base class so the conversion from a unicode string
2563
can take quoting into account.
2565
super(RegistryOption, self).__init__(
2566
name, default=lambda: unicode(registry.default_key),
2567
default_from_env=default_from_env,
2568
from_unicode=self.from_unicode, help=help,
2569
invalid=invalid, unquote=False)
2570
self.registry = registry
2572
def from_unicode(self, unicode_str):
2573
if not isinstance(unicode_str, basestring):
2576
return self.registry.get(unicode_str)
2579
"Invalid value %s for %s."
2580
"See help for a list of possible values." % (unicode_str,
2585
ret = [self._help, "\n\nThe following values are supported:\n"]
2586
for key in self.registry.keys():
2587
ret.append(" %s - %s\n" % (key, self.registry.get_help(key)))
2591
class OptionRegistry(registry.Registry):
2592
"""Register config options by their name.
2594
This overrides ``registry.Registry`` to simplify registration by acquiring
2595
some information from the option object itself.
2598
def register(self, option):
2599
"""Register a new option to its name.
2601
:param option: The option to register. Its name is used as the key.
2603
super(OptionRegistry, self).register(option.name, option,
2606
def register_lazy(self, key, module_name, member_name):
2607
"""Register a new option to be loaded on request.
2609
:param key: the key to request the option later. Since the registration
2610
is lazy, it should be provided and match the option name.
2612
:param module_name: the python path to the module. Such as 'os.path'.
2614
:param member_name: the member of the module to return. If empty or
2615
None, get() will return the module itself.
2617
super(OptionRegistry, self).register_lazy(key,
2618
module_name, member_name)
2620
def get_help(self, key=None):
2621
"""Get the help text associated with the given key"""
2622
option = self.get(key)
2623
the_help = option.help
2624
if callable(the_help):
2625
return the_help(self, key)
2629
option_registry = OptionRegistry()
2632
# Registered options in lexicographical order
2634
option_registry.register(
2635
Option('append_revisions_only',
2636
default=None, from_unicode=bool_from_store, invalid='warning',
2638
Whether to only append revisions to the mainline.
2640
If this is set to true, then it is not possible to change the
2641
existing mainline of the branch.
2643
option_registry.register(
2644
ListOption('acceptable_keys',
2647
List of GPG key patterns which are acceptable for verification.
2649
option_registry.register(
2650
Option('add.maximum_file_size',
2651
default=u'20MB', from_unicode=int_SI_from_store,
2653
Size above which files should be added manually.
2655
Files below this size are added automatically when using ``bzr add`` without
2658
A negative value means disable the size check.
2660
option_registry.register(
2662
default=None, from_unicode=bool_from_store,
2664
Is the branch bound to ``bound_location``.
2666
If set to "True", the branch should act as a checkout, and push each commit to
2667
the bound_location. This option is normally set by ``bind``/``unbind``.
2669
See also: bound_location.
2671
option_registry.register(
2672
Option('bound_location',
2675
The location that commits should go to when acting as a checkout.
2677
This option is normally set by ``bind``.
2681
option_registry.register(
2682
Option('branch.fetch_tags', default=False, from_unicode=bool_from_store,
2684
Whether revisions associated with tags should be fetched.
2686
option_registry.register(
2687
Option('bzr.workingtree.worth_saving_limit', default=10,
2688
from_unicode=int_from_store, invalid='warning',
2690
How many changes before saving the dirstate.
2692
-1 means that we will never rewrite the dirstate file for only
2693
stat-cache changes. Regardless of this setting, we will always rewrite
2694
the dirstate file if a file is added/removed/renamed/etc. This flag only
2695
affects the behavior of updating the dirstate file after we notice that
2696
a file has been touched.
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(
2807
Option('output_encoding',
2808
help= 'Unicode encoding for output'
2809
' (terminal encoding if not specified).'))
2810
option_registry.register(
2811
Option('parent_location',
2814
The location of the default branch for pull or merge.
2816
This option is normally set when creating a branch, the first ``pull`` or by
2817
``pull --remember``.
2819
option_registry.register(
2820
Option('post_commit', default=None,
2822
Post commit functions.
2824
An ordered list of python functions to call, separated by spaces.
2826
Each function takes branch, rev_id as parameters.
2828
option_registry.register(
2829
Option('public_branch',
2832
A publically-accessible version of this branch.
2834
This implies that the branch setting this option is not publically-accessible.
2835
Used and set by ``bzr send``.
2837
option_registry.register(
2838
Option('push_location',
2841
The location of the default branch for push.
2843
This option is normally set by the first ``push`` or ``push --remember``.
2845
option_registry.register(
2846
Option('push_strict', default=None,
2847
from_unicode=bool_from_store,
2849
The default value for ``push --strict``.
2851
If present, defines the ``--strict`` option default value for checking
2852
uncommitted changes before sending a merge directive.
2854
option_registry.register(
2855
Option('repository.fdatasync', default=True,
2856
from_unicode=bool_from_store,
2858
Flush repository changes onto physical disk?
2860
If true (default), repository changes are flushed through the OS buffers
2861
to physical disk. This is somewhat slower, but means data should not be
2862
lost if the machine crashes. See also dirstate.fdatasync.
2864
option_registry.register_lazy('smtp_server',
2865
'bzrlib.smtp_connection', 'smtp_server')
2866
option_registry.register_lazy('smtp_password',
2867
'bzrlib.smtp_connection', 'smtp_password')
2868
option_registry.register_lazy('smtp_username',
2869
'bzrlib.smtp_connection', 'smtp_username')
2870
option_registry.register(
2871
Option('selftest.timeout',
2873
from_unicode=int_from_store,
2874
help='Abort selftest if one test takes longer than this many seconds',
2877
option_registry.register(
2878
Option('send_strict', default=None,
2879
from_unicode=bool_from_store,
2881
The default value for ``send --strict``.
2883
If present, defines the ``--strict`` option default value for checking
2884
uncommitted changes before sending a bundle.
2887
option_registry.register(
2888
Option('serve.client_timeout',
2889
default=300.0, from_unicode=float_from_store,
2890
help="If we wait for a new request from a client for more than"
2891
" X seconds, consider the client idle, and hangup."))
2892
option_registry.register(
2893
Option('stacked_on_location',
2895
help="""The location where this branch is stacked on."""))
2896
option_registry.register(
2897
Option('submit_branch',
2900
The branch you intend to submit your current work to.
2902
This is automatically set by ``bzr send`` and ``bzr merge``, and is also used
2903
by the ``submit:`` revision spec.
2905
option_registry.register(
2907
help='''Where submissions from this branch are mailed to.'''))
2908
option_registry.register(
2909
ListOption('suppress_warnings',
2911
help="List of warning classes to suppress."))
2912
option_registry.register(
2913
Option('validate_signatures_in_log', default=False,
2914
from_unicode=bool_from_store, invalid='warning',
2915
help='''Whether to validate signatures in bzr log.'''))
2916
option_registry.register_lazy('ssl.ca_certs',
2917
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_ca_certs')
2919
option_registry.register_lazy('ssl.cert_reqs',
2920
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_cert_reqs')
2924
class Section(object):
2925
"""A section defines a dict of option name => value.
2927
This is merely a read-only dict which can add some knowledge about the
2928
options. It is *not* a python dict object though and doesn't try to mimic
2932
def __init__(self, section_id, options):
2933
self.id = section_id
2934
# We re-use the dict-like object received
2935
self.options = options
2937
def get(self, name, default=None, expand=True):
2938
return self.options.get(name, default)
2940
def iter_option_names(self):
2941
for k in self.options.iterkeys():
2945
# Mostly for debugging use
2946
return "<config.%s id=%s>" % (self.__class__.__name__, self.id)
2949
_NewlyCreatedOption = object()
2950
"""Was the option created during the MutableSection lifetime"""
2951
_DeletedOption = object()
2952
"""Was the option deleted during the MutableSection lifetime"""
2955
class MutableSection(Section):
2956
"""A section allowing changes and keeping track of the original values."""
2958
def __init__(self, section_id, options):
2959
super(MutableSection, self).__init__(section_id, options)
2960
self.reset_changes()
2962
def set(self, name, value):
2963
if name not in self.options:
2964
# This is a new option
2965
self.orig[name] = _NewlyCreatedOption
2966
elif name not in self.orig:
2967
self.orig[name] = self.get(name, None)
2968
self.options[name] = value
2970
def remove(self, name):
2971
if name not in self.orig:
2972
self.orig[name] = self.get(name, None)
2973
del self.options[name]
2975
def reset_changes(self):
2978
def apply_changes(self, dirty, store):
2979
"""Apply option value changes.
2981
``self`` has been reloaded from the persistent storage. ``dirty``
2982
contains the changes made since the previous loading.
2984
:param dirty: the mutable section containing the changes.
2986
:param store: the store containing the section
2988
for k, expected in dirty.orig.iteritems():
2989
actual = dirty.get(k, _DeletedOption)
2990
reloaded = self.get(k, _NewlyCreatedOption)
2991
if actual is _DeletedOption:
2992
if k in self.options:
2996
# Report concurrent updates in an ad-hoc way. This should only
2997
# occurs when different processes try to update the same option
2998
# which is not supported (as in: the config framework is not meant
2999
# to be used a sharing mechanism).
3000
if expected != reloaded:
3001
if actual is _DeletedOption:
3002
actual = '<DELETED>'
3003
if reloaded is _NewlyCreatedOption:
3004
reloaded = '<CREATED>'
3005
if expected is _NewlyCreatedOption:
3006
expected = '<CREATED>'
3007
# Someone changed the value since we get it from the persistent
3009
trace.warning(gettext(
3010
"Option {0} in section {1} of {2} was changed"
3011
" from {3} to {4}. The {5} value will be saved.".format(
3012
k, self.id, store.external_url(), expected,
3014
# No need to keep track of these changes
3015
self.reset_changes()
3018
class Store(object):
3019
"""Abstract interface to persistent storage for configuration options."""
3021
readonly_section_class = Section
3022
mutable_section_class = MutableSection
3025
# Which sections need to be saved
3026
self.dirty_sections = []
3028
def is_loaded(self):
3029
"""Returns True if the Store has been loaded.
3031
This is used to implement lazy loading and ensure the persistent
3032
storage is queried only when needed.
3034
raise NotImplementedError(self.is_loaded)
3037
"""Loads the Store from persistent storage."""
3038
raise NotImplementedError(self.load)
3040
def _load_from_string(self, bytes):
3041
"""Create a store from a string in configobj syntax.
3043
:param bytes: A string representing the file content.
3045
raise NotImplementedError(self._load_from_string)
3048
"""Unloads the Store.
3050
This should make is_loaded() return False. This is used when the caller
3051
knows that the persistent storage has changed or may have change since
3054
raise NotImplementedError(self.unload)
3056
def quote(self, value):
3057
"""Quote a configuration option value for storing purposes.
3059
This allows Stacks to present values as they will be stored.
3063
def unquote(self, value):
3064
"""Unquote a configuration option value into unicode.
3066
The received value is quoted as stored.
3071
"""Saves the Store to persistent storage."""
3072
raise NotImplementedError(self.save)
3074
def _need_saving(self):
3075
for s in self.dirty_sections:
3077
# At least one dirty section contains a modification
3081
def apply_changes(self, dirty_sections):
3082
"""Apply changes from dirty sections while checking for coherency.
3084
The Store content is discarded and reloaded from persistent storage to
3085
acquire up-to-date values.
3087
Dirty sections are MutableSection which kept track of the value they
3088
are expected to update.
3090
# We need an up-to-date version from the persistent storage, unload the
3091
# store. The reload will occur when needed (triggered by the first
3092
# get_mutable_section() call below.
3094
# Apply the changes from the preserved dirty sections
3095
for dirty in dirty_sections:
3096
clean = self.get_mutable_section(dirty.id)
3097
clean.apply_changes(dirty, self)
3098
# Everything is clean now
3099
self.dirty_sections = []
3101
def save_changes(self):
3102
"""Saves the Store to persistent storage if changes occurred.
3104
Apply the changes recorded in the mutable sections to a store content
3105
refreshed from persistent storage.
3107
raise NotImplementedError(self.save_changes)
3109
def external_url(self):
3110
raise NotImplementedError(self.external_url)
3112
def get_sections(self):
3113
"""Returns an ordered iterable of existing sections.
3115
:returns: An iterable of (store, section).
3117
raise NotImplementedError(self.get_sections)
3119
def get_mutable_section(self, section_id=None):
3120
"""Returns the specified mutable section.
3122
:param section_id: The section identifier
3124
raise NotImplementedError(self.get_mutable_section)
3127
# Mostly for debugging use
3128
return "<config.%s(%s)>" % (self.__class__.__name__,
3129
self.external_url())
3132
class CommandLineStore(Store):
3133
"A store to carry command line overrides for the config options."""
3135
def __init__(self, opts=None):
3136
super(CommandLineStore, self).__init__()
3143
# The dict should be cleared but not replaced so it can be shared.
3144
self.options.clear()
3146
def _from_cmdline(self, overrides):
3147
# Reset before accepting new definitions
3149
for over in overrides:
3151
name, value = over.split('=', 1)
3153
raise errors.BzrCommandError(
3154
gettext("Invalid '%s', should be of the form 'name=value'")
3156
self.options[name] = value
3158
def external_url(self):
3159
# Not an url but it makes debugging easier and is never needed
3163
def get_sections(self):
3164
yield self, self.readonly_section_class(None, self.options)
3167
class IniFileStore(Store):
3168
"""A config Store using ConfigObj for storage.
3170
:ivar _config_obj: Private member to hold the ConfigObj instance used to
3171
serialize/deserialize the config file.
3175
"""A config Store using ConfigObj for storage.
3177
super(IniFileStore, self).__init__()
3178
self._config_obj = None
3180
def is_loaded(self):
3181
return self._config_obj != None
3184
self._config_obj = None
3185
self.dirty_sections = []
3187
def _load_content(self):
3188
"""Load the config file bytes.
3190
This should be provided by subclasses
3192
:return: Byte string
3194
raise NotImplementedError(self._load_content)
3196
def _save_content(self, content):
3197
"""Save the config file bytes.
3199
This should be provided by subclasses
3201
:param content: Config file bytes to write
3203
raise NotImplementedError(self._save_content)
3206
"""Load the store from the associated file."""
3207
if self.is_loaded():
3209
content = self._load_content()
3210
self._load_from_string(content)
3211
for hook in ConfigHooks['load']:
3214
def _load_from_string(self, bytes):
3215
"""Create a config store from a string.
3217
:param bytes: A string representing the file content.
3219
if self.is_loaded():
3220
raise AssertionError('Already loaded: %r' % (self._config_obj,))
3221
co_input = StringIO(bytes)
3223
# The config files are always stored utf8-encoded
3224
self._config_obj = ConfigObj(co_input, encoding='utf-8',
3226
except configobj.ConfigObjError, e:
3227
self._config_obj = None
3228
raise errors.ParseConfigError(e.errors, self.external_url())
3229
except UnicodeDecodeError:
3230
raise errors.ConfigContentError(self.external_url())
3232
def save_changes(self):
3233
if not self.is_loaded():
3236
if not self._need_saving():
3238
# Preserve the current version
3239
current = self._config_obj
3240
dirty_sections = list(self.dirty_sections)
3241
self.apply_changes(dirty_sections)
3242
# Save to the persistent storage
3246
if not self.is_loaded():
3250
self._config_obj.write(out)
3251
self._save_content(out.getvalue())
3252
for hook in ConfigHooks['save']:
3255
def get_sections(self):
3256
"""Get the configobj section in the file order.
3258
:returns: An iterable of (store, section).
3260
# We need a loaded store
3263
except (errors.NoSuchFile, errors.PermissionDenied):
3264
# If the file can't be read, there is no sections
3266
cobj = self._config_obj
3268
yield self, self.readonly_section_class(None, cobj)
3269
for section_name in cobj.sections:
3271
self.readonly_section_class(section_name,
3272
cobj[section_name]))
3274
def get_mutable_section(self, section_id=None):
3275
# We need a loaded store
3278
except errors.NoSuchFile:
3279
# The file doesn't exist, let's pretend it was empty
3280
self._load_from_string('')
3281
if section_id is None:
3282
section = self._config_obj
3284
section = self._config_obj.setdefault(section_id, {})
3285
mutable_section = self.mutable_section_class(section_id, section)
3286
# All mutable sections can become dirty
3287
self.dirty_sections.append(mutable_section)
3288
return mutable_section
3290
def quote(self, value):
3292
# configobj conflates automagical list values and quoting
3293
self._config_obj.list_values = True
3294
return self._config_obj._quote(value)
3296
self._config_obj.list_values = False
3298
def unquote(self, value):
3299
if value and isinstance(value, basestring):
3300
# _unquote doesn't handle None nor empty strings nor anything that
3301
# is not a string, really.
3302
value = self._config_obj._unquote(value)
3305
def external_url(self):
3306
# Since an IniFileStore can be used without a file (at least in tests),
3307
# it's better to provide something than raising a NotImplementedError.
3308
# All daughter classes are supposed to provide an implementation
3310
return 'In-Process Store, no URL'
3312
class TransportIniFileStore(IniFileStore):
3313
"""IniFileStore that loads files from a transport.
3315
:ivar transport: The transport object where the config file is located.
3317
:ivar file_name: The config file basename in the transport directory.
3320
def __init__(self, transport, file_name):
3321
"""A Store using a ini file on a Transport
3323
:param transport: The transport object where the config file is located.
3324
:param file_name: The config file basename in the transport directory.
3326
super(TransportIniFileStore, self).__init__()
3327
self.transport = transport
3328
self.file_name = file_name
3330
def _load_content(self):
3332
return self.transport.get_bytes(self.file_name)
3333
except errors.PermissionDenied:
3334
trace.warning("Permission denied while trying to load "
3335
"configuration store %s.", self.external_url())
3338
def _save_content(self, content):
3339
self.transport.put_bytes(self.file_name, content)
3341
def external_url(self):
3342
# FIXME: external_url should really accepts an optional relpath
3343
# parameter (bug #750169) :-/ -- vila 2011-04-04
3344
# The following will do in the interim but maybe we don't want to
3345
# expose a path here but rather a config ID and its associated
3346
# object </hand wawe>.
3347
return urlutils.join(self.transport.external_url(), self.file_name)
3350
# Note that LockableConfigObjStore inherits from ConfigObjStore because we need
3351
# unlockable stores for use with objects that can already ensure the locking
3352
# (think branches). If different stores (not based on ConfigObj) are created,
3353
# they may face the same issue.
3356
class LockableIniFileStore(TransportIniFileStore):
3357
"""A ConfigObjStore using locks on save to ensure store integrity."""
3359
def __init__(self, transport, file_name, lock_dir_name=None):
3360
"""A config Store using ConfigObj for storage.
3362
:param transport: The transport object where the config file is located.
3364
:param file_name: The config file basename in the transport directory.
3366
if lock_dir_name is None:
3367
lock_dir_name = 'lock'
3368
self.lock_dir_name = lock_dir_name
3369
super(LockableIniFileStore, self).__init__(transport, file_name)
3370
self._lock = lockdir.LockDir(self.transport, self.lock_dir_name)
3372
def lock_write(self, token=None):
3373
"""Takes a write lock in the directory containing the config file.
3375
If the directory doesn't exist it is created.
3377
# FIXME: This doesn't check the ownership of the created directories as
3378
# ensure_config_dir_exists does. It should if the transport is local
3379
# -- vila 2011-04-06
3380
self.transport.create_prefix()
3381
return self._lock.lock_write(token)
3386
def break_lock(self):
3387
self._lock.break_lock()
3391
# We need to be able to override the undecorated implementation
3392
self.save_without_locking()
3394
def save_without_locking(self):
3395
super(LockableIniFileStore, self).save()
3398
# FIXME: global, bazaar, shouldn't that be 'user' instead or even
3399
# 'user_defaults' as opposed to 'user_overrides', 'system_defaults'
3400
# (/etc/bzr/bazaar.conf) and 'system_overrides' ? -- vila 2011-04-05
3402
# FIXME: Moreover, we shouldn't need classes for these stores either, factory
3403
# functions or a registry will make it easier and clearer for tests, focusing
3404
# on the relevant parts of the API that needs testing -- vila 20110503 (based
3405
# on a poolie's remark)
3406
class GlobalStore(LockableIniFileStore):
3408
def __init__(self, possible_transports=None):
3409
t = transport.get_transport_from_path(
3410
config_dir(), possible_transports=possible_transports)
3411
super(GlobalStore, self).__init__(t, 'bazaar.conf')
3415
class LocationStore(LockableIniFileStore):
3417
def __init__(self, possible_transports=None):
3418
t = transport.get_transport_from_path(
3419
config_dir(), possible_transports=possible_transports)
3420
super(LocationStore, self).__init__(t, 'locations.conf')
3421
self.id = 'locations'
3424
class BranchStore(TransportIniFileStore):
3426
def __init__(self, branch):
3427
super(BranchStore, self).__init__(branch.control_transport,
3429
self.branch = branch
3432
def lock_write(self, token=None):
3433
return self.branch.lock_write(token)
3436
return self.branch.unlock()
3440
# We need to be able to override the undecorated implementation
3441
self.save_without_locking()
3443
def save_without_locking(self):
3444
super(BranchStore, self).save()
3447
class ControlStore(LockableIniFileStore):
3449
def __init__(self, bzrdir):
3450
super(ControlStore, self).__init__(bzrdir.transport,
3452
lock_dir_name='branch_lock')
3456
class SectionMatcher(object):
3457
"""Select sections into a given Store.
3459
This is intended to be used to postpone getting an iterable of sections
3463
def __init__(self, store):
3466
def get_sections(self):
3467
# This is where we require loading the store so we can see all defined
3469
sections = self.store.get_sections()
3470
# Walk the revisions in the order provided
3471
for store, s in sections:
3475
def match(self, section):
3476
"""Does the proposed section match.
3478
:param section: A Section object.
3480
:returns: True if the section matches, False otherwise.
3482
raise NotImplementedError(self.match)
3485
class NameMatcher(SectionMatcher):
3487
def __init__(self, store, section_id):
3488
super(NameMatcher, self).__init__(store)
3489
self.section_id = section_id
3491
def match(self, section):
3492
return section.id == self.section_id
3495
class LocationSection(Section):
3497
def __init__(self, section, extra_path):
3498
super(LocationSection, self).__init__(section.id, section.options)
3499
self.extra_path = extra_path
3500
self.locals = {'relpath': extra_path,
3501
'basename': urlutils.basename(extra_path)}
3503
def get(self, name, default=None, expand=True):
3504
value = super(LocationSection, self).get(name, default)
3505
if value is not None and expand:
3506
policy_name = self.get(name + ':policy', None)
3507
policy = _policy_value.get(policy_name, POLICY_NONE)
3508
if policy == POLICY_APPENDPATH:
3509
value = urlutils.join(value, self.extra_path)
3510
# expand section local options right now (since POLICY_APPENDPATH
3511
# will never add options references, it's ok to expand after it).
3513
for is_ref, chunk in iter_option_refs(value):
3515
chunks.append(chunk)
3518
if ref in self.locals:
3519
chunks.append(self.locals[ref])
3521
chunks.append(chunk)
3522
value = ''.join(chunks)
3526
class StartingPathMatcher(SectionMatcher):
3527
"""Select sections for a given location respecting the Store order."""
3529
# FIXME: Both local paths and urls can be used for section names as well as
3530
# ``location`` to stay consistent with ``LocationMatcher`` which itself
3531
# inherited the fuzziness from the previous ``LocationConfig``
3532
# implementation. We probably need to revisit which encoding is allowed for
3533
# both ``location`` and section names and how we normalize
3534
# them. http://pad.lv/85479, http://pad.lv/437009 and http://359320 are
3535
# related too. -- vila 2012-01-04
3537
def __init__(self, store, location):
3538
super(StartingPathMatcher, self).__init__(store)
3539
if location.startswith('file://'):
3540
location = urlutils.local_path_from_url(location)
3541
self.location = location
3543
def get_sections(self):
3544
"""Get all sections matching ``location`` in the store.
3546
The most generic sections are described first in the store, then more
3547
specific ones can be provided for reduced scopes.
3549
The returned section are therefore returned in the reversed order so
3550
the most specific ones can be found first.
3552
location_parts = self.location.rstrip('/').split('/')
3555
# Later sections are more specific, they should be returned first
3556
for _, section in reversed(list(store.get_sections())):
3557
if section.id is None:
3558
# The no-name section is always included if present
3559
yield store, LocationSection(section, self.location)
3561
section_path = section.id
3562
if section_path.startswith('file://'):
3563
# the location is already a local path or URL, convert the
3564
# section id to the same format
3565
section_path = urlutils.local_path_from_url(section_path)
3566
if (self.location.startswith(section_path)
3567
or fnmatch.fnmatch(self.location, section_path)):
3568
section_parts = section_path.rstrip('/').split('/')
3569
extra_path = '/'.join(location_parts[len(section_parts):])
3570
yield store, LocationSection(section, extra_path)
3573
class LocationMatcher(SectionMatcher):
3575
def __init__(self, store, location):
3576
super(LocationMatcher, self).__init__(store)
3577
if location.startswith('file://'):
3578
location = urlutils.local_path_from_url(location)
3579
self.location = location
3581
def _get_matching_sections(self):
3582
"""Get all sections matching ``location``."""
3583
# We slightly diverge from LocalConfig here by allowing the no-name
3584
# section as the most generic one and the lower priority.
3585
no_name_section = None
3587
# Filter out the no_name_section so _iter_for_location_by_parts can be
3588
# used (it assumes all sections have a name).
3589
for _, section in self.store.get_sections():
3590
if section.id is None:
3591
no_name_section = section
3593
all_sections.append(section)
3594
# Unfortunately _iter_for_location_by_parts deals with section names so
3595
# we have to resync.
3596
filtered_sections = _iter_for_location_by_parts(
3597
[s.id for s in all_sections], self.location)
3598
iter_all_sections = iter(all_sections)
3599
matching_sections = []
3600
if no_name_section is not None:
3601
matching_sections.append(
3602
(0, LocationSection(no_name_section, self.location)))
3603
for section_id, extra_path, length in filtered_sections:
3604
# a section id is unique for a given store so it's safe to take the
3605
# first matching section while iterating. Also, all filtered
3606
# sections are part of 'all_sections' and will always be found
3609
section = iter_all_sections.next()
3610
if section_id == section.id:
3611
matching_sections.append(
3612
(length, LocationSection(section, extra_path)))
3614
return matching_sections
3616
def get_sections(self):
3617
# Override the default implementation as we want to change the order
3618
matching_sections = self._get_matching_sections()
3619
# We want the longest (aka more specific) locations first
3620
sections = sorted(matching_sections,
3621
key=lambda (length, section): (length, section.id),
3623
# Sections mentioning 'ignore_parents' restrict the selection
3624
for _, section in sections:
3625
# FIXME: We really want to use as_bool below -- vila 2011-04-07
3626
ignore = section.get('ignore_parents', None)
3627
if ignore is not None:
3628
ignore = ui.bool_from_string(ignore)
3631
# Finally, we have a valid section
3632
yield self.store, section
3635
_option_ref_re = lazy_regex.lazy_compile('({[^{}\n]+})')
3636
"""Describes an expandable option reference.
3638
We want to match the most embedded reference first.
3640
I.e. for '{{foo}}' we will get '{foo}',
3641
for '{bar{baz}}' we will get '{baz}'
3644
def iter_option_refs(string):
3645
# Split isolate refs so every other chunk is a ref
3647
for chunk in _option_ref_re.split(string):
3652
class Stack(object):
3653
"""A stack of configurations where an option can be defined"""
3655
def __init__(self, sections_def, store=None, mutable_section_id=None):
3656
"""Creates a stack of sections with an optional store for changes.
3658
:param sections_def: A list of Section or callables that returns an
3659
iterable of Section. This defines the Sections for the Stack and
3660
can be called repeatedly if needed.
3662
:param store: The optional Store where modifications will be
3663
recorded. If none is specified, no modifications can be done.
3665
:param mutable_section_id: The id of the MutableSection where changes
3666
are recorded. This requires the ``store`` parameter to be
3669
self.sections_def = sections_def
3671
self.mutable_section_id = mutable_section_id
3673
def get(self, name, expand=None):
3674
"""Return the *first* option value found in the sections.
3676
This is where we guarantee that sections coming from Store are loaded
3677
lazily: the loading is delayed until we need to either check that an
3678
option exists or get its value, which in turn may require to discover
3679
in which sections it can be defined. Both of these (section and option
3680
existence) require loading the store (even partially).
3682
:param name: The queried option.
3684
:param expand: Whether options references should be expanded.
3686
:returns: The value of the option.
3688
# FIXME: No caching of options nor sections yet -- vila 20110503
3690
expand = _get_expand_default_value()
3692
found_store = None # Where the option value has been found
3693
# If the option is registered, it may provide additional info about
3696
opt = option_registry.get(name)
3701
def expand_and_convert(val):
3702
# This may need to be called in different contexts if the value is
3703
# None or ends up being None during expansion or conversion.
3706
if isinstance(val, basestring):
3707
val = self._expand_options_in_string(val)
3709
trace.warning('Cannot expand "%s":'
3710
' %s does not support option expansion'
3711
% (name, type(val)))
3713
val = found_store.unquote(val)
3715
val = opt.convert_from_unicode(found_store, val)
3718
# First of all, check if the environment can override the configuration
3720
if opt is not None and opt.override_from_env:
3721
value = opt.get_override()
3722
value = expand_and_convert(value)
3724
# Ensuring lazy loading is achieved by delaying section matching
3725
# (which implies querying the persistent storage) until it can't be
3726
# avoided anymore by using callables to describe (possibly empty)
3728
for sections in self.sections_def:
3729
for store, section in sections():
3730
value = section.get(name)
3731
if value is not None:
3734
if value is not None:
3736
value = expand_and_convert(value)
3737
if opt is not None and value is None:
3738
# If the option is registered, it may provide a default value
3739
value = opt.get_default()
3740
value = expand_and_convert(value)
3741
for hook in ConfigHooks['get']:
3742
hook(self, name, value)
3745
def expand_options(self, string, env=None):
3746
"""Expand option references in the string in the configuration context.
3748
:param string: The string containing option(s) to expand.
3750
:param env: An option dict defining additional configuration options or
3751
overriding existing ones.
3753
:returns: The expanded string.
3755
return self._expand_options_in_string(string, env)
3757
def _expand_options_in_string(self, string, env=None, _refs=None):
3758
"""Expand options in the string in the configuration context.
3760
:param string: The string to be expanded.
3762
:param env: An option dict defining additional configuration options or
3763
overriding existing ones.
3765
:param _refs: Private list (FIFO) containing the options being expanded
3768
:returns: The expanded string.
3771
# Not much to expand there
3774
# What references are currently resolved (to detect loops)
3777
# We need to iterate until no more refs appear ({{foo}} will need two
3778
# iterations for example).
3783
for is_ref, chunk in iter_option_refs(result):
3785
chunks.append(chunk)
3790
raise errors.OptionExpansionLoop(string, _refs)
3792
value = self._expand_option(name, env, _refs)
3794
raise errors.ExpandingUnknownOption(name, string)
3795
chunks.append(value)
3797
result = ''.join(chunks)
3800
def _expand_option(self, name, env, _refs):
3801
if env is not None and name in env:
3802
# Special case, values provided in env takes precedence over
3806
value = self.get(name, expand=False)
3807
value = self._expand_options_in_string(value, env, _refs)
3810
def _get_mutable_section(self):
3811
"""Get the MutableSection for the Stack.
3813
This is where we guarantee that the mutable section is lazily loaded:
3814
this means we won't load the corresponding store before setting a value
3815
or deleting an option. In practice the store will often be loaded but
3816
this helps catching some programming errors.
3819
section = store.get_mutable_section(self.mutable_section_id)
3820
return store, section
3822
def set(self, name, value):
3823
"""Set a new value for the option."""
3824
store, section = self._get_mutable_section()
3825
section.set(name, store.quote(value))
3826
for hook in ConfigHooks['set']:
3827
hook(self, name, value)
3829
def remove(self, name):
3830
"""Remove an existing option."""
3831
_, section = self._get_mutable_section()
3832
section.remove(name)
3833
for hook in ConfigHooks['remove']:
3837
# Mostly for debugging use
3838
return "<config.%s(%s)>" % (self.__class__.__name__, id(self))
3840
def _get_overrides(self):
3841
# Hack around library_state.initialize never called
3842
if bzrlib.global_state is not None:
3843
return bzrlib.global_state.cmdline_overrides.get_sections()
3847
class MemoryStack(Stack):
3848
"""A configuration stack defined from a string.
3850
This is mainly intended for tests and requires no disk resources.
3853
def __init__(self, content=None):
3854
"""Create an in-memory stack from a given content.
3856
It uses a single store based on configobj and support reading and
3859
:param content: The initial content of the store. If None, the store is
3860
not loaded and ``_load_from_string`` can and should be used if
3863
store = IniFileStore()
3864
if content is not None:
3865
store._load_from_string(content)
3866
super(MemoryStack, self).__init__(
3867
[store.get_sections], store)
3870
class _CompatibleStack(Stack):
3871
"""Place holder for compatibility with previous design.
3873
This is intended to ease the transition from the Config-based design to the
3874
Stack-based design and should not be used nor relied upon by plugins.
3876
One assumption made here is that the daughter classes will all use Stores
3877
derived from LockableIniFileStore).
3879
It implements set() and remove () by re-loading the store before applying
3880
the modification and saving it.
3882
The long term plan being to implement a single write by store to save
3883
all modifications, this class should not be used in the interim.
3886
def set(self, name, value):
3889
super(_CompatibleStack, self).set(name, value)
3890
# Force a write to persistent storage
3893
def remove(self, name):
3896
super(_CompatibleStack, self).remove(name)
3897
# Force a write to persistent storage
3901
class GlobalStack(_CompatibleStack):
3902
"""Global options only stack.
3904
The following sections are queried:
3906
* command-line overrides,
3908
* the 'DEFAULT' section in bazaar.conf
3910
This stack will use the ``DEFAULT`` section in bazaar.conf as its
3915
gstore = GlobalStore()
3916
super(GlobalStack, self).__init__(
3917
[self._get_overrides,
3918
NameMatcher(gstore, 'DEFAULT').get_sections],
3919
gstore, mutable_section_id='DEFAULT')
3922
class LocationStack(_CompatibleStack):
3923
"""Per-location options falling back to global options stack.
3926
The following sections are queried:
3928
* command-line overrides,
3930
* the sections matching ``location`` in ``locations.conf``, the order being
3931
defined by the number of path components in the section glob, higher
3932
numbers first (from most specific section to most generic).
3934
* the 'DEFAULT' section in bazaar.conf
3936
This stack will use the ``location`` section in locations.conf as its
3940
def __init__(self, location):
3941
"""Make a new stack for a location and global configuration.
3943
:param location: A URL prefix to """
3944
lstore = LocationStore()
3945
if location.startswith('file://'):
3946
location = urlutils.local_path_from_url(location)
3947
gstore = GlobalStore()
3948
super(LocationStack, self).__init__(
3949
[self._get_overrides,
3950
LocationMatcher(lstore, location).get_sections,
3951
NameMatcher(gstore, 'DEFAULT').get_sections],
3952
lstore, mutable_section_id=location)
3955
class BranchStack(_CompatibleStack):
3956
"""Per-location options falling back to branch then global options stack.
3958
The following sections are queried:
3960
* command-line overrides,
3962
* the sections matching ``location`` in ``locations.conf``, the order being
3963
defined by the number of path components in the section glob, higher
3964
numbers first (from most specific section to most generic),
3966
* the no-name section in branch.conf,
3968
* the ``DEFAULT`` section in ``bazaar.conf``.
3970
This stack will use the no-name section in ``branch.conf`` as its
3974
def __init__(self, branch):
3975
lstore = LocationStore()
3976
bstore = branch._get_config_store()
3977
gstore = GlobalStore()
3978
super(BranchStack, self).__init__(
3979
[self._get_overrides,
3980
LocationMatcher(lstore, branch.base).get_sections,
3981
NameMatcher(bstore, None).get_sections,
3982
NameMatcher(gstore, 'DEFAULT').get_sections],
3984
self.branch = branch
3987
class RemoteControlStack(_CompatibleStack):
3988
"""Remote control-only options stack."""
3990
# FIXME 2011-11-22 JRV This should probably be renamed to avoid confusion
3991
# with the stack used for remote bzr dirs. RemoteControlStack only uses
3992
# control.conf and is used only for stack options.
3994
def __init__(self, bzrdir):
3995
cstore = bzrdir._get_config_store()
3996
super(RemoteControlStack, self).__init__(
3997
[NameMatcher(cstore, None).get_sections],
3999
self.bzrdir = bzrdir
4002
class BranchOnlyStack(_CompatibleStack):
4003
"""Branch-only options stack."""
4005
# FIXME: _BranchOnlyStack only uses branch.conf and is used only for the
4006
# stacked_on_location options waiting for http://pad.lv/832042 to be fixed.
4007
# -- vila 2011-12-16
4009
def __init__(self, branch):
4010
bstore = branch._get_config_store()
4011
super(BranchOnlyStack, self).__init__(
4012
[NameMatcher(bstore, None).get_sections],
4014
self.branch = branch
4017
# Use a an empty dict to initialize an empty configobj avoiding all
4018
# parsing and encoding checks
4019
_quoting_config = configobj.ConfigObj(
4020
{}, encoding='utf-8', interpolation=False, list_values=True)
4022
class cmd_config(commands.Command):
4023
__doc__ = """Display, set or remove a configuration option.
4025
Display the active value for a given option.
4027
If --all is specified, NAME is interpreted as a regular expression and all
4028
matching options are displayed mentioning their scope. The active value
4029
that bzr will take into account is the first one displayed for each option.
4031
If no NAME is given, --all .* is implied.
4033
Setting a value is achieved by using name=value without spaces. The value
4034
is set in the most relevant scope and can be checked by displaying the
4038
takes_args = ['name?']
4042
# FIXME: This should be a registry option so that plugins can register
4043
# their own config files (or not) and will also address
4044
# http://pad.lv/788991 -- vila 20101115
4045
commands.Option('scope', help='Reduce the scope to the specified'
4046
' configuration file.',
4048
commands.Option('all',
4049
help='Display all the defined values for the matching options.',
4051
commands.Option('remove', help='Remove the option from'
4052
' the configuration file.'),
4055
_see_also = ['configuration']
4057
@commands.display_command
4058
def run(self, name=None, all=False, directory=None, scope=None,
4060
if directory is None:
4062
directory = urlutils.normalize_url(directory)
4064
raise errors.BzrError(
4065
'--all and --remove are mutually exclusive.')
4067
# Delete the option in the given scope
4068
self._remove_config_option(name, directory, scope)
4070
# Defaults to all options
4071
self._show_matching_options('.*', directory, scope)
4074
name, value = name.split('=', 1)
4076
# Display the option(s) value(s)
4078
self._show_matching_options(name, directory, scope)
4080
self._show_value(name, directory, scope)
4083
raise errors.BzrError(
4084
'Only one option can be set.')
4085
# Set the option value
4086
self._set_config_option(name, value, directory, scope)
4088
def _get_stack(self, directory, scope=None):
4089
"""Get the configuration stack specified by ``directory`` and ``scope``.
4091
:param directory: Where the configurations are derived from.
4093
:param scope: A specific config to start from.
4095
# FIXME: scope should allow access to plugin-specific stacks (even
4096
# reduced to the plugin-specific store), related to
4097
# http://pad.lv/788991 -- vila 2011-11-15
4098
if scope is not None:
4099
if scope == 'bazaar':
4100
return GlobalStack()
4101
elif scope == 'locations':
4102
return LocationStack(directory)
4103
elif scope == 'branch':
4105
controldir.ControlDir.open_containing_tree_or_branch(
4107
return br.get_config_stack()
4108
raise errors.NoSuchConfig(scope)
4112
controldir.ControlDir.open_containing_tree_or_branch(
4114
return br.get_config_stack()
4115
except errors.NotBranchError:
4116
return LocationStack(directory)
4118
def _show_value(self, name, directory, scope):
4119
conf = self._get_stack(directory, scope)
4120
value = conf.get(name, expand=True)
4121
if value is not None:
4122
# Quote the value appropriately
4123
value = _quoting_config._quote(value)
4124
self.outf.write('%s\n' % (value,))
4126
raise errors.NoSuchConfigOption(name)
4128
def _show_matching_options(self, name, directory, scope):
4129
name = lazy_regex.lazy_compile(name)
4130
# We want any error in the regexp to be raised *now* so we need to
4131
# avoid the delay introduced by the lazy regexp. But, we still do
4132
# want the nicer errors raised by lazy_regex.
4133
name._compile_and_collapse()
4136
conf = self._get_stack(directory, scope)
4137
for sections in conf.sections_def:
4138
for store, section in sections():
4139
for oname in section.iter_option_names():
4140
if name.search(oname):
4141
if cur_store_id != store.id:
4142
# Explain where the options are defined
4143
self.outf.write('%s:\n' % (store.id,))
4144
cur_store_id = store.id
4146
if (section.id is not None
4147
and cur_section != section.id):
4148
# Display the section id as it appears in the store
4149
# (None doesn't appear by definition)
4150
self.outf.write(' [%s]\n' % (section.id,))
4151
cur_section = section.id
4152
value = section.get(oname, expand=False)
4153
# Since we don't use the stack, we need to restore a
4156
opt = option_registry.get(oname)
4157
value = opt.convert_from_unicode(store, value)
4159
value = store.unquote(value)
4160
value = _quoting_config._quote(value)
4161
self.outf.write(' %s = %s\n' % (oname, value))
4163
def _set_config_option(self, name, value, directory, scope):
4164
conf = self._get_stack(directory, scope)
4165
conf.set(name, value)
4167
def _remove_config_option(self, name, directory, scope):
4169
raise errors.BzrCommandError(
4170
'--remove expects an option to remove.')
4171
conf = self._get_stack(directory, scope)
4175
raise errors.NoSuchConfigOption(name)
4180
# We need adapters that can build a Store or a Stack in a test context. Test
4181
# classes, based on TestCaseWithTransport, can use the registry to parametrize
4182
# themselves. The builder will receive a test instance and should return a
4183
# ready-to-use store or stack. Plugins that define new store/stacks can also
4184
# register themselves here to be tested against the tests defined in
4185
# bzrlib.tests.test_config. Note that the builder can be called multiple times
4186
# for the same test.
4188
# The registered object should be a callable receiving a test instance
4189
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Store
4191
test_store_builder_registry = registry.Registry()
4193
# The registered object should be a callable receiving a test instance
4194
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Stack
4196
test_stack_builder_registry = registry.Registry()