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
2406
def convert_from_unicode(self, store, unicode_value):
2407
if self.unquote and store is not None and unicode_value is not None:
2408
unicode_value = store.unquote(unicode_value)
2409
if self.from_unicode is None or unicode_value is None:
2410
# Don't convert or nothing to convert
2411
return unicode_value
2413
converted = self.from_unicode(unicode_value)
2414
except (ValueError, TypeError):
2415
# Invalid values are ignored
2417
if converted is None and self.invalid is not None:
2418
# The conversion failed
2419
if self.invalid == 'warning':
2420
trace.warning('Value "%s" is not valid for "%s"',
2421
unicode_value, self.name)
2422
elif self.invalid == 'error':
2423
raise errors.ConfigOptionValueError(self.name, unicode_value)
2426
def get_override(self):
2428
for var in self.override_from_env:
2430
# If the env variable is defined, its value takes precedence
2431
value = os.environ[var].decode(osutils.get_user_encoding())
2437
def get_default(self):
2439
for var in self.default_from_env:
2441
# If the env variable is defined, its value is the default one
2442
value = os.environ[var].decode(osutils.get_user_encoding())
2447
# Otherwise, fallback to the value defined at registration
2448
if callable(self.default):
2449
value = self.default()
2450
if not isinstance(value, unicode):
2451
raise AssertionError(
2452
'Callable default values should be unicode')
2454
value = self.default
2457
def get_help_text(self, additional_see_also=None, plain=True):
2459
from bzrlib import help_topics
2460
result += help_topics._format_see_also(additional_see_also)
2462
result = help_topics.help_as_plain_text(result)
2466
# Predefined converters to get proper values from store
2468
def bool_from_store(unicode_str):
2469
return ui.bool_from_string(unicode_str)
2472
def int_from_store(unicode_str):
2473
return int(unicode_str)
2476
_unit_suffixes = dict(K=10**3, M=10**6, G=10**9)
2478
def int_SI_from_store(unicode_str):
2479
"""Convert a human readable size in SI units, e.g 10MB into an integer.
2481
Accepted suffixes are K,M,G. It is case-insensitive and may be followed
2482
by a trailing b (i.e. Kb, MB). This is intended to be practical and not
2485
:return Integer, expanded to its base-10 value if a proper SI unit is
2486
found, None otherwise.
2488
regexp = "^(\d+)(([" + ''.join(_unit_suffixes) + "])b?)?$"
2489
p = re.compile(regexp, re.IGNORECASE)
2490
m = p.match(unicode_str)
2493
val, _, unit = m.groups()
2497
coeff = _unit_suffixes[unit.upper()]
2499
raise ValueError(gettext('{0} is not an SI unit.').format(unit))
2504
def float_from_store(unicode_str):
2505
return float(unicode_str)
2508
# Use a an empty dict to initialize an empty configobj avoiding all
2509
# parsing and encoding checks
2510
_list_converter_config = configobj.ConfigObj(
2511
{}, encoding='utf-8', list_values=True, interpolation=False)
2514
class ListOption(Option):
2516
def __init__(self, name, default=None, default_from_env=None,
2517
help=None, invalid=None):
2518
"""A list Option definition.
2520
This overrides the base class so the conversion from a unicode string
2521
can take quoting into account.
2523
super(ListOption, self).__init__(
2524
name, default=default, default_from_env=default_from_env,
2525
from_unicode=self.from_unicode, help=help,
2526
invalid=invalid, unquote=False)
2528
def from_unicode(self, unicode_str):
2529
if not isinstance(unicode_str, basestring):
2531
# Now inject our string directly as unicode. All callers got their
2532
# value from configobj, so values that need to be quoted are already
2534
_list_converter_config.reset()
2535
_list_converter_config._parse([u"list=%s" % (unicode_str,)])
2536
maybe_list = _list_converter_config['list']
2537
if isinstance(maybe_list, basestring):
2539
# A single value, most probably the user forgot (or didn't care
2540
# to add) the final ','
2543
# The empty string, convert to empty list
2546
# We rely on ConfigObj providing us with a list already
2551
class OptionRegistry(registry.Registry):
2552
"""Register config options by their name.
2554
This overrides ``registry.Registry`` to simplify registration by acquiring
2555
some information from the option object itself.
2558
def register(self, option):
2559
"""Register a new option to its name.
2561
:param option: The option to register. Its name is used as the key.
2563
super(OptionRegistry, self).register(option.name, option,
2566
def register_lazy(self, key, module_name, member_name):
2567
"""Register a new option to be loaded on request.
2569
:param key: the key to request the option later. Since the registration
2570
is lazy, it should be provided and match the option name.
2572
:param module_name: the python path to the module. Such as 'os.path'.
2574
:param member_name: the member of the module to return. If empty or
2575
None, get() will return the module itself.
2577
super(OptionRegistry, self).register_lazy(key,
2578
module_name, member_name)
2580
def get_help(self, key=None):
2581
"""Get the help text associated with the given key"""
2582
option = self.get(key)
2583
the_help = option.help
2584
if callable(the_help):
2585
return the_help(self, key)
2589
option_registry = OptionRegistry()
2592
# Registered options in lexicographical order
2594
option_registry.register(
2595
Option('append_revisions_only',
2596
default=None, from_unicode=bool_from_store, invalid='warning',
2598
Whether to only append revisions to the mainline.
2600
If this is set to true, then it is not possible to change the
2601
existing mainline of the branch.
2603
option_registry.register(
2604
ListOption('acceptable_keys',
2607
List of GPG key patterns which are acceptable for verification.
2609
option_registry.register(
2610
Option('add.maximum_file_size',
2611
default=u'20MB', from_unicode=int_SI_from_store,
2613
Size above which files should be added manually.
2615
Files below this size are added automatically when using ``bzr add`` without
2618
A negative value means disable the size check.
2620
option_registry.register(
2622
default=None, from_unicode=bool_from_store,
2624
Is the branch bound to ``bound_location``.
2626
If set to "True", the branch should act as a checkout, and push each commit to
2627
the bound_location. This option is normally set by ``bind``/``unbind``.
2629
See also: bound_location.
2631
option_registry.register(
2632
Option('bound_location',
2635
The location that commits should go to when acting as a checkout.
2637
This option is normally set by ``bind``.
2641
option_registry.register(
2642
Option('branch.fetch_tags', default=False, from_unicode=bool_from_store,
2644
Whether revisions associated with tags should be fetched.
2646
option_registry.register(
2647
Option('bzr.workingtree.worth_saving_limit', default=10,
2648
from_unicode=int_from_store, invalid='warning',
2650
How many changes before saving the dirstate.
2652
-1 means that we will never rewrite the dirstate file for only
2653
stat-cache changes. Regardless of this setting, we will always rewrite
2654
the dirstate file if a file is added/removed/renamed/etc. This flag only
2655
affects the behavior of updating the dirstate file after we notice that
2656
a file has been touched.
2658
option_registry.register(
2659
Option('check_signatures', default=CHECK_IF_POSSIBLE,
2660
from_unicode=signature_policy_from_unicode,
2662
GPG checking policy.
2664
Possible values: require, ignore, check-available (default)
2666
this option will control whether bzr will require good gpg
2667
signatures, ignore them, or check them if they are
2670
option_registry.register(
2671
Option('child_submit_format',
2672
help='''The preferred format of submissions to this branch.'''))
2673
option_registry.register(
2674
Option('child_submit_to',
2675
help='''Where submissions to this branch are mailed to.'''))
2676
option_registry.register(
2677
Option('create_signatures', default=SIGN_WHEN_REQUIRED,
2678
from_unicode=signing_policy_from_unicode,
2682
Possible values: always, never, when-required (default)
2684
This option controls whether bzr will always create
2685
gpg signatures or not on commits.
2687
option_registry.register(
2688
Option('dirstate.fdatasync', default=True,
2689
from_unicode=bool_from_store,
2691
Flush dirstate changes onto physical disk?
2693
If true (default), working tree metadata changes are flushed through the
2694
OS buffers to physical disk. This is somewhat slower, but means data
2695
should not be lost if the machine crashes. See also repository.fdatasync.
2697
option_registry.register(
2698
ListOption('debug_flags', default=[],
2699
help='Debug flags to activate.'))
2700
option_registry.register(
2701
Option('default_format', default='2a',
2702
help='Format used when creating branches.'))
2703
option_registry.register(
2704
Option('dpush_strict', default=None,
2705
from_unicode=bool_from_store,
2707
The default value for ``dpush --strict``.
2709
If present, defines the ``--strict`` option default value for checking
2710
uncommitted changes before pushing into a different VCS without any
2711
custom bzr metadata.
2713
option_registry.register(
2715
help='The command called to launch an editor to enter a message.'))
2716
option_registry.register(
2717
Option('email', override_from_env=['BZR_EMAIL'], default=default_email,
2718
help='The users identity'))
2719
option_registry.register(
2720
Option('gpg_signing_command',
2723
Program to use use for creating signatures.
2725
This should support at least the -u and --clearsign options.
2727
option_registry.register(
2728
Option('gpg_signing_key',
2731
GPG key to use for signing.
2733
This defaults to the first key associated with the users email.
2735
option_registry.register(
2736
Option('ignore_missing_extensions', default=False,
2737
from_unicode=bool_from_store,
2739
Control the missing extensions warning display.
2741
The warning will not be emitted if set to True.
2743
option_registry.register(
2745
help='Language to translate messages into.'))
2746
option_registry.register(
2747
Option('locks.steal_dead', default=False, from_unicode=bool_from_store,
2749
Steal locks that appears to be dead.
2751
If set to True, bzr will check if a lock is supposed to be held by an
2752
active process from the same user on the same machine. If the user and
2753
machine match, but no process with the given PID is active, then bzr
2754
will automatically break the stale lock, and create a new lock for
2756
Otherwise, bzr will prompt as normal to break the lock.
2758
option_registry.register(
2759
Option('log_format', default='long',
2761
Log format to use when displaying revisions.
2763
Standard log formats are ``long``, ``short`` and ``line``. Additional formats
2764
may be provided by plugins.
2766
option_registry.register(
2767
Option('output_encoding',
2768
help= 'Unicode encoding for output'
2769
' (terminal encoding if not specified).'))
2770
option_registry.register(
2771
Option('parent_location',
2774
The location of the default branch for pull or merge.
2776
This option is normally set when creating a branch, the first ``pull`` or by
2777
``pull --remember``.
2779
option_registry.register(
2780
Option('post_commit', default=None,
2782
Post commit functions.
2784
An ordered list of python functions to call, separated by spaces.
2786
Each function takes branch, rev_id as parameters.
2788
option_registry.register(
2789
Option('public_branch',
2792
A publically-accessible version of this branch.
2794
This implies that the branch setting this option is not publically-accessible.
2795
Used and set by ``bzr send``.
2797
option_registry.register(
2798
Option('push_location',
2801
The location of the default branch for push.
2803
This option is normally set by the first ``push`` or ``push --remember``.
2805
option_registry.register(
2806
Option('push_strict', default=None,
2807
from_unicode=bool_from_store,
2809
The default value for ``push --strict``.
2811
If present, defines the ``--strict`` option default value for checking
2812
uncommitted changes before sending a merge directive.
2814
option_registry.register(
2815
Option('repository.fdatasync', default=True,
2816
from_unicode=bool_from_store,
2818
Flush repository changes onto physical disk?
2820
If true (default), repository changes are flushed through the OS buffers
2821
to physical disk. This is somewhat slower, but means data should not be
2822
lost if the machine crashes. See also dirstate.fdatasync.
2824
option_registry.register_lazy('smtp_server',
2825
'bzrlib.smtp_connection', 'smtp_server')
2826
option_registry.register_lazy('smtp_password',
2827
'bzrlib.smtp_connection', 'smtp_password')
2828
option_registry.register_lazy('smtp_username',
2829
'bzrlib.smtp_connection', 'smtp_username')
2830
option_registry.register(
2831
Option('selftest.timeout',
2833
from_unicode=int_from_store,
2834
help='Abort selftest if one test takes longer than this many seconds',
2837
option_registry.register(
2838
Option('send_strict', default=None,
2839
from_unicode=bool_from_store,
2841
The default value for ``send --strict``.
2843
If present, defines the ``--strict`` option default value for checking
2844
uncommitted changes before sending a bundle.
2847
option_registry.register(
2848
Option('serve.client_timeout',
2849
default=300.0, from_unicode=float_from_store,
2850
help="If we wait for a new request from a client for more than"
2851
" X seconds, consider the client idle, and hangup."))
2852
option_registry.register(
2853
Option('stacked_on_location',
2855
help="""The location where this branch is stacked on."""))
2856
option_registry.register(
2857
Option('submit_branch',
2860
The branch you intend to submit your current work to.
2862
This is automatically set by ``bzr send`` and ``bzr merge``, and is also used
2863
by the ``submit:`` revision spec.
2865
option_registry.register(
2867
help='''Where submissions from this branch are mailed to.'''))
2870
class Section(object):
2871
"""A section defines a dict of option name => value.
2873
This is merely a read-only dict which can add some knowledge about the
2874
options. It is *not* a python dict object though and doesn't try to mimic
2878
def __init__(self, section_id, options):
2879
self.id = section_id
2880
# We re-use the dict-like object received
2881
self.options = options
2883
def get(self, name, default=None, expand=True):
2884
return self.options.get(name, default)
2886
def iter_option_names(self):
2887
for k in self.options.iterkeys():
2891
# Mostly for debugging use
2892
return "<config.%s id=%s>" % (self.__class__.__name__, self.id)
2895
_NewlyCreatedOption = object()
2896
"""Was the option created during the MutableSection lifetime"""
2897
_DeletedOption = object()
2898
"""Was the option deleted during the MutableSection lifetime"""
2901
class MutableSection(Section):
2902
"""A section allowing changes and keeping track of the original values."""
2904
def __init__(self, section_id, options):
2905
super(MutableSection, self).__init__(section_id, options)
2906
self.reset_changes()
2908
def set(self, name, value):
2909
if name not in self.options:
2910
# This is a new option
2911
self.orig[name] = _NewlyCreatedOption
2912
elif name not in self.orig:
2913
self.orig[name] = self.get(name, None)
2914
self.options[name] = value
2916
def remove(self, name):
2917
if name not in self.orig:
2918
self.orig[name] = self.get(name, None)
2919
del self.options[name]
2921
def reset_changes(self):
2924
def apply_changes(self, dirty, store):
2925
"""Apply option value changes.
2927
``self`` has been reloaded from the persistent storage. ``dirty``
2928
contains the changes made since the previous loading.
2930
:param dirty: the mutable section containing the changes.
2932
:param store: the store containing the section
2934
for k, expected in dirty.orig.iteritems():
2935
actual = dirty.get(k, _DeletedOption)
2936
reloaded = self.get(k, _NewlyCreatedOption)
2937
if actual is _DeletedOption:
2938
if k in self.options:
2942
# Report concurrent updates in an ad-hoc way. This should only
2943
# occurs when different processes try to update the same option
2944
# which is not supported (as in: the config framework is not meant
2945
# to be used a sharing mechanism).
2946
if expected != reloaded:
2947
if actual is _DeletedOption:
2948
actual = '<DELETED>'
2949
if reloaded is _NewlyCreatedOption:
2950
reloaded = '<CREATED>'
2951
if expected is _NewlyCreatedOption:
2952
expected = '<CREATED>'
2953
# Someone changed the value since we get it from the persistent
2955
trace.warning(gettext(
2956
"Option {0} in section {1} of {2} was changed"
2957
" from {3} to {4}. The {5} value will be saved.".format(
2958
k, self.id, store.external_url(), expected,
2960
# No need to keep track of these changes
2961
self.reset_changes()
2964
class Store(object):
2965
"""Abstract interface to persistent storage for configuration options."""
2967
readonly_section_class = Section
2968
mutable_section_class = MutableSection
2971
# Which sections need to be saved
2972
self.dirty_sections = []
2974
def is_loaded(self):
2975
"""Returns True if the Store has been loaded.
2977
This is used to implement lazy loading and ensure the persistent
2978
storage is queried only when needed.
2980
raise NotImplementedError(self.is_loaded)
2983
"""Loads the Store from persistent storage."""
2984
raise NotImplementedError(self.load)
2986
def _load_from_string(self, bytes):
2987
"""Create a store from a string in configobj syntax.
2989
:param bytes: A string representing the file content.
2991
raise NotImplementedError(self._load_from_string)
2994
"""Unloads the Store.
2996
This should make is_loaded() return False. This is used when the caller
2997
knows that the persistent storage has changed or may have change since
3000
raise NotImplementedError(self.unload)
3002
def quote(self, value):
3003
"""Quote a configuration option value for storing purposes.
3005
This allows Stacks to present values as they will be stored.
3009
def unquote(self, value):
3010
"""Unquote a configuration option value into unicode.
3012
The received value is quoted as stored.
3017
"""Saves the Store to persistent storage."""
3018
raise NotImplementedError(self.save)
3020
def _need_saving(self):
3021
for s in self.dirty_sections:
3023
# At least one dirty section contains a modification
3027
def apply_changes(self, dirty_sections):
3028
"""Apply changes from dirty sections while checking for coherency.
3030
The Store content is discarded and reloaded from persistent storage to
3031
acquire up-to-date values.
3033
Dirty sections are MutableSection which kept track of the value they
3034
are expected to update.
3036
# We need an up-to-date version from the persistent storage, unload the
3037
# store. The reload will occur when needed (triggered by the first
3038
# get_mutable_section() call below.
3040
# Apply the changes from the preserved dirty sections
3041
for dirty in dirty_sections:
3042
clean = self.get_mutable_section(dirty.id)
3043
clean.apply_changes(dirty, self)
3044
# Everything is clean now
3045
self.dirty_sections = []
3047
def save_changes(self):
3048
"""Saves the Store to persistent storage if changes occurred.
3050
Apply the changes recorded in the mutable sections to a store content
3051
refreshed from persistent storage.
3053
raise NotImplementedError(self.save_changes)
3055
def external_url(self):
3056
raise NotImplementedError(self.external_url)
3058
def get_sections(self):
3059
"""Returns an ordered iterable of existing sections.
3061
:returns: An iterable of (store, section).
3063
raise NotImplementedError(self.get_sections)
3065
def get_mutable_section(self, section_id=None):
3066
"""Returns the specified mutable section.
3068
:param section_id: The section identifier
3070
raise NotImplementedError(self.get_mutable_section)
3073
# Mostly for debugging use
3074
return "<config.%s(%s)>" % (self.__class__.__name__,
3075
self.external_url())
3078
class CommandLineStore(Store):
3079
"A store to carry command line overrides for the config options."""
3081
def __init__(self, opts=None):
3082
super(CommandLineStore, self).__init__()
3089
# The dict should be cleared but not replaced so it can be shared.
3090
self.options.clear()
3092
def _from_cmdline(self, overrides):
3093
# Reset before accepting new definitions
3095
for over in overrides:
3097
name, value = over.split('=', 1)
3099
raise errors.BzrCommandError(
3100
gettext("Invalid '%s', should be of the form 'name=value'")
3102
self.options[name] = value
3104
def external_url(self):
3105
# Not an url but it makes debugging easier and is never needed
3109
def get_sections(self):
3110
yield self, self.readonly_section_class(None, self.options)
3113
class IniFileStore(Store):
3114
"""A config Store using ConfigObj for storage.
3116
:ivar _config_obj: Private member to hold the ConfigObj instance used to
3117
serialize/deserialize the config file.
3121
"""A config Store using ConfigObj for storage.
3123
super(IniFileStore, self).__init__()
3124
self._config_obj = None
3126
def is_loaded(self):
3127
return self._config_obj != None
3130
self._config_obj = None
3131
self.dirty_sections = []
3133
def _load_content(self):
3134
"""Load the config file bytes.
3136
This should be provided by subclasses
3138
:return: Byte string
3140
raise NotImplementedError(self._load_content)
3142
def _save_content(self, content):
3143
"""Save the config file bytes.
3145
This should be provided by subclasses
3147
:param content: Config file bytes to write
3149
raise NotImplementedError(self._save_content)
3152
"""Load the store from the associated file."""
3153
if self.is_loaded():
3155
content = self._load_content()
3156
self._load_from_string(content)
3157
for hook in ConfigHooks['load']:
3160
def _load_from_string(self, bytes):
3161
"""Create a config store from a string.
3163
:param bytes: A string representing the file content.
3165
if self.is_loaded():
3166
raise AssertionError('Already loaded: %r' % (self._config_obj,))
3167
co_input = StringIO(bytes)
3169
# The config files are always stored utf8-encoded
3170
self._config_obj = ConfigObj(co_input, encoding='utf-8',
3172
except configobj.ConfigObjError, e:
3173
self._config_obj = None
3174
raise errors.ParseConfigError(e.errors, self.external_url())
3175
except UnicodeDecodeError:
3176
raise errors.ConfigContentError(self.external_url())
3178
def save_changes(self):
3179
if not self.is_loaded():
3182
if not self._need_saving():
3184
# Preserve the current version
3185
current = self._config_obj
3186
dirty_sections = list(self.dirty_sections)
3187
self.apply_changes(dirty_sections)
3188
# Save to the persistent storage
3192
if not self.is_loaded():
3196
self._config_obj.write(out)
3197
self._save_content(out.getvalue())
3198
for hook in ConfigHooks['save']:
3201
def get_sections(self):
3202
"""Get the configobj section in the file order.
3204
:returns: An iterable of (store, section).
3206
# We need a loaded store
3209
except (errors.NoSuchFile, errors.PermissionDenied):
3210
# If the file can't be read, there is no sections
3212
cobj = self._config_obj
3214
yield self, self.readonly_section_class(None, cobj)
3215
for section_name in cobj.sections:
3217
self.readonly_section_class(section_name,
3218
cobj[section_name]))
3220
def get_mutable_section(self, section_id=None):
3221
# We need a loaded store
3224
except errors.NoSuchFile:
3225
# The file doesn't exist, let's pretend it was empty
3226
self._load_from_string('')
3227
if section_id is None:
3228
section = self._config_obj
3230
section = self._config_obj.setdefault(section_id, {})
3231
mutable_section = self.mutable_section_class(section_id, section)
3232
# All mutable sections can become dirty
3233
self.dirty_sections.append(mutable_section)
3234
return mutable_section
3236
def quote(self, value):
3238
# configobj conflates automagical list values and quoting
3239
self._config_obj.list_values = True
3240
return self._config_obj._quote(value)
3242
self._config_obj.list_values = False
3244
def unquote(self, value):
3245
if value and isinstance(value, basestring):
3246
# _unquote doesn't handle None nor empty strings nor anything that
3247
# is not a string, really.
3248
value = self._config_obj._unquote(value)
3251
def external_url(self):
3252
# Since an IniFileStore can be used without a file (at least in tests),
3253
# it's better to provide something than raising a NotImplementedError.
3254
# All daughter classes are supposed to provide an implementation
3256
return 'In-Process Store, no URL'
3258
class TransportIniFileStore(IniFileStore):
3259
"""IniFileStore that loads files from a transport.
3261
:ivar transport: The transport object where the config file is located.
3263
:ivar file_name: The config file basename in the transport directory.
3266
def __init__(self, transport, file_name):
3267
"""A Store using a ini file on a Transport
3269
:param transport: The transport object where the config file is located.
3270
:param file_name: The config file basename in the transport directory.
3272
super(TransportIniFileStore, self).__init__()
3273
self.transport = transport
3274
self.file_name = file_name
3276
def _load_content(self):
3278
return self.transport.get_bytes(self.file_name)
3279
except errors.PermissionDenied:
3280
trace.warning("Permission denied while trying to load "
3281
"configuration store %s.", self.external_url())
3284
def _save_content(self, content):
3285
self.transport.put_bytes(self.file_name, content)
3287
def external_url(self):
3288
# FIXME: external_url should really accepts an optional relpath
3289
# parameter (bug #750169) :-/ -- vila 2011-04-04
3290
# The following will do in the interim but maybe we don't want to
3291
# expose a path here but rather a config ID and its associated
3292
# object </hand wawe>.
3293
return urlutils.join(self.transport.external_url(), self.file_name)
3296
# Note that LockableConfigObjStore inherits from ConfigObjStore because we need
3297
# unlockable stores for use with objects that can already ensure the locking
3298
# (think branches). If different stores (not based on ConfigObj) are created,
3299
# they may face the same issue.
3302
class LockableIniFileStore(TransportIniFileStore):
3303
"""A ConfigObjStore using locks on save to ensure store integrity."""
3305
def __init__(self, transport, file_name, lock_dir_name=None):
3306
"""A config Store using ConfigObj for storage.
3308
:param transport: The transport object where the config file is located.
3310
:param file_name: The config file basename in the transport directory.
3312
if lock_dir_name is None:
3313
lock_dir_name = 'lock'
3314
self.lock_dir_name = lock_dir_name
3315
super(LockableIniFileStore, self).__init__(transport, file_name)
3316
self._lock = lockdir.LockDir(self.transport, self.lock_dir_name)
3318
def lock_write(self, token=None):
3319
"""Takes a write lock in the directory containing the config file.
3321
If the directory doesn't exist it is created.
3323
# FIXME: This doesn't check the ownership of the created directories as
3324
# ensure_config_dir_exists does. It should if the transport is local
3325
# -- vila 2011-04-06
3326
self.transport.create_prefix()
3327
return self._lock.lock_write(token)
3332
def break_lock(self):
3333
self._lock.break_lock()
3337
# We need to be able to override the undecorated implementation
3338
self.save_without_locking()
3340
def save_without_locking(self):
3341
super(LockableIniFileStore, self).save()
3344
# FIXME: global, bazaar, shouldn't that be 'user' instead or even
3345
# 'user_defaults' as opposed to 'user_overrides', 'system_defaults'
3346
# (/etc/bzr/bazaar.conf) and 'system_overrides' ? -- vila 2011-04-05
3348
# FIXME: Moreover, we shouldn't need classes for these stores either, factory
3349
# functions or a registry will make it easier and clearer for tests, focusing
3350
# on the relevant parts of the API that needs testing -- vila 20110503 (based
3351
# on a poolie's remark)
3352
class GlobalStore(LockableIniFileStore):
3354
def __init__(self, possible_transports=None):
3355
t = transport.get_transport_from_path(
3356
config_dir(), possible_transports=possible_transports)
3357
super(GlobalStore, self).__init__(t, 'bazaar.conf')
3361
class LocationStore(LockableIniFileStore):
3363
def __init__(self, possible_transports=None):
3364
t = transport.get_transport_from_path(
3365
config_dir(), possible_transports=possible_transports)
3366
super(LocationStore, self).__init__(t, 'locations.conf')
3367
self.id = 'locations'
3370
class BranchStore(TransportIniFileStore):
3372
def __init__(self, branch):
3373
super(BranchStore, self).__init__(branch.control_transport,
3375
self.branch = branch
3378
def lock_write(self, token=None):
3379
return self.branch.lock_write(token)
3382
return self.branch.unlock()
3386
# We need to be able to override the undecorated implementation
3387
self.save_without_locking()
3389
def save_without_locking(self):
3390
super(BranchStore, self).save()
3393
class ControlStore(LockableIniFileStore):
3395
def __init__(self, bzrdir):
3396
super(ControlStore, self).__init__(bzrdir.transport,
3398
lock_dir_name='branch_lock')
3402
class SectionMatcher(object):
3403
"""Select sections into a given Store.
3405
This is intended to be used to postpone getting an iterable of sections
3409
def __init__(self, store):
3412
def get_sections(self):
3413
# This is where we require loading the store so we can see all defined
3415
sections = self.store.get_sections()
3416
# Walk the revisions in the order provided
3417
for store, s in sections:
3421
def match(self, section):
3422
"""Does the proposed section match.
3424
:param section: A Section object.
3426
:returns: True if the section matches, False otherwise.
3428
raise NotImplementedError(self.match)
3431
class NameMatcher(SectionMatcher):
3433
def __init__(self, store, section_id):
3434
super(NameMatcher, self).__init__(store)
3435
self.section_id = section_id
3437
def match(self, section):
3438
return section.id == self.section_id
3441
class LocationSection(Section):
3443
def __init__(self, section, extra_path):
3444
super(LocationSection, self).__init__(section.id, section.options)
3445
self.extra_path = extra_path
3446
self.locals = {'relpath': extra_path,
3447
'basename': urlutils.basename(extra_path)}
3449
def get(self, name, default=None, expand=True):
3450
value = super(LocationSection, self).get(name, default)
3451
if value is not None and expand:
3452
policy_name = self.get(name + ':policy', None)
3453
policy = _policy_value.get(policy_name, POLICY_NONE)
3454
if policy == POLICY_APPENDPATH:
3455
value = urlutils.join(value, self.extra_path)
3456
# expand section local options right now (since POLICY_APPENDPATH
3457
# will never add options references, it's ok to expand after it).
3459
for is_ref, chunk in iter_option_refs(value):
3461
chunks.append(chunk)
3464
if ref in self.locals:
3465
chunks.append(self.locals[ref])
3467
chunks.append(chunk)
3468
value = ''.join(chunks)
3472
class StartingPathMatcher(SectionMatcher):
3473
"""Select sections for a given location respecting the Store order."""
3475
# FIXME: Both local paths and urls can be used for section names as well as
3476
# ``location`` to stay consistent with ``LocationMatcher`` which itself
3477
# inherited the fuzziness from the previous ``LocationConfig``
3478
# implementation. We probably need to revisit which encoding is allowed for
3479
# both ``location`` and section names and how we normalize
3480
# them. http://pad.lv/85479, http://pad.lv/437009 and http://359320 are
3481
# related too. -- vila 2012-01-04
3483
def __init__(self, store, location):
3484
super(StartingPathMatcher, self).__init__(store)
3485
if location.startswith('file://'):
3486
location = urlutils.local_path_from_url(location)
3487
self.location = location
3489
def get_sections(self):
3490
"""Get all sections matching ``location`` in the store.
3492
The most generic sections are described first in the store, then more
3493
specific ones can be provided for reduced scopes.
3495
The returned section are therefore returned in the reversed order so
3496
the most specific ones can be found first.
3498
location_parts = self.location.rstrip('/').split('/')
3501
# Later sections are more specific, they should be returned first
3502
for _, section in reversed(list(store.get_sections())):
3503
if section.id is None:
3504
# The no-name section is always included if present
3505
yield store, LocationSection(section, self.location)
3507
section_path = section.id
3508
if section_path.startswith('file://'):
3509
# the location is already a local path or URL, convert the
3510
# section id to the same format
3511
section_path = urlutils.local_path_from_url(section_path)
3512
if (self.location.startswith(section_path)
3513
or fnmatch.fnmatch(self.location, section_path)):
3514
section_parts = section_path.rstrip('/').split('/')
3515
extra_path = '/'.join(location_parts[len(section_parts):])
3516
yield store, LocationSection(section, extra_path)
3519
class LocationMatcher(SectionMatcher):
3521
def __init__(self, store, location):
3522
super(LocationMatcher, self).__init__(store)
3523
if location.startswith('file://'):
3524
location = urlutils.local_path_from_url(location)
3525
self.location = location
3527
def _get_matching_sections(self):
3528
"""Get all sections matching ``location``."""
3529
# We slightly diverge from LocalConfig here by allowing the no-name
3530
# section as the most generic one and the lower priority.
3531
no_name_section = None
3533
# Filter out the no_name_section so _iter_for_location_by_parts can be
3534
# used (it assumes all sections have a name).
3535
for _, section in self.store.get_sections():
3536
if section.id is None:
3537
no_name_section = section
3539
all_sections.append(section)
3540
# Unfortunately _iter_for_location_by_parts deals with section names so
3541
# we have to resync.
3542
filtered_sections = _iter_for_location_by_parts(
3543
[s.id for s in all_sections], self.location)
3544
iter_all_sections = iter(all_sections)
3545
matching_sections = []
3546
if no_name_section is not None:
3547
matching_sections.append(
3548
(0, LocationSection(no_name_section, self.location)))
3549
for section_id, extra_path, length in filtered_sections:
3550
# a section id is unique for a given store so it's safe to take the
3551
# first matching section while iterating. Also, all filtered
3552
# sections are part of 'all_sections' and will always be found
3555
section = iter_all_sections.next()
3556
if section_id == section.id:
3557
matching_sections.append(
3558
(length, LocationSection(section, extra_path)))
3560
return matching_sections
3562
def get_sections(self):
3563
# Override the default implementation as we want to change the order
3564
matching_sections = self._get_matching_sections()
3565
# We want the longest (aka more specific) locations first
3566
sections = sorted(matching_sections,
3567
key=lambda (length, section): (length, section.id),
3569
# Sections mentioning 'ignore_parents' restrict the selection
3570
for _, section in sections:
3571
# FIXME: We really want to use as_bool below -- vila 2011-04-07
3572
ignore = section.get('ignore_parents', None)
3573
if ignore is not None:
3574
ignore = ui.bool_from_string(ignore)
3577
# Finally, we have a valid section
3578
yield self.store, section
3581
_option_ref_re = lazy_regex.lazy_compile('({[^{}\n]+})')
3582
"""Describes an expandable option reference.
3584
We want to match the most embedded reference first.
3586
I.e. for '{{foo}}' we will get '{foo}',
3587
for '{bar{baz}}' we will get '{baz}'
3590
def iter_option_refs(string):
3591
# Split isolate refs so every other chunk is a ref
3593
for chunk in _option_ref_re.split(string):
3598
class Stack(object):
3599
"""A stack of configurations where an option can be defined"""
3601
def __init__(self, sections_def, store=None, mutable_section_id=None):
3602
"""Creates a stack of sections with an optional store for changes.
3604
:param sections_def: A list of Section or callables that returns an
3605
iterable of Section. This defines the Sections for the Stack and
3606
can be called repeatedly if needed.
3608
:param store: The optional Store where modifications will be
3609
recorded. If none is specified, no modifications can be done.
3611
:param mutable_section_id: The id of the MutableSection where changes
3612
are recorded. This requires the ``store`` parameter to be
3615
self.sections_def = sections_def
3617
self.mutable_section_id = mutable_section_id
3619
def get(self, name, expand=None):
3620
"""Return the *first* option value found in the sections.
3622
This is where we guarantee that sections coming from Store are loaded
3623
lazily: the loading is delayed until we need to either check that an
3624
option exists or get its value, which in turn may require to discover
3625
in which sections it can be defined. Both of these (section and option
3626
existence) require loading the store (even partially).
3628
:param name: The queried option.
3630
:param expand: Whether options references should be expanded.
3632
:returns: The value of the option.
3634
# FIXME: No caching of options nor sections yet -- vila 20110503
3636
expand = _get_expand_default_value()
3638
found_store = None # Where the option value has been found
3639
# If the option is registered, it may provide additional info about
3642
opt = option_registry.get(name)
3647
def expand_and_convert(val):
3648
# This may need to be called in different contexts if the value is
3649
# None or ends up being None during expansion or conversion.
3652
if isinstance(val, basestring):
3653
val = self._expand_options_in_string(val)
3655
trace.warning('Cannot expand "%s":'
3656
' %s does not support option expansion'
3657
% (name, type(val)))
3659
val = found_store.unquote(val)
3661
val = opt.convert_from_unicode(found_store, val)
3664
# First of all, check if the environment can override the configuration
3666
if opt is not None and opt.override_from_env:
3667
value = opt.get_override()
3668
value = expand_and_convert(value)
3670
# Ensuring lazy loading is achieved by delaying section matching
3671
# (which implies querying the persistent storage) until it can't be
3672
# avoided anymore by using callables to describe (possibly empty)
3674
for sections in self.sections_def:
3675
for store, section in sections():
3676
value = section.get(name)
3677
if value is not None:
3680
if value is not None:
3682
value = expand_and_convert(value)
3683
if opt is not None and value is None:
3684
# If the option is registered, it may provide a default value
3685
value = opt.get_default()
3686
value = expand_and_convert(value)
3687
for hook in ConfigHooks['get']:
3688
hook(self, name, value)
3691
def expand_options(self, string, env=None):
3692
"""Expand option references in the string in the configuration context.
3694
:param string: The string containing option(s) to expand.
3696
:param env: An option dict defining additional configuration options or
3697
overriding existing ones.
3699
:returns: The expanded string.
3701
return self._expand_options_in_string(string, env)
3703
def _expand_options_in_string(self, string, env=None, _refs=None):
3704
"""Expand options in the string in the configuration context.
3706
:param string: The string to be expanded.
3708
:param env: An option dict defining additional configuration options or
3709
overriding existing ones.
3711
:param _refs: Private list (FIFO) containing the options being expanded
3714
:returns: The expanded string.
3717
# Not much to expand there
3720
# What references are currently resolved (to detect loops)
3723
# We need to iterate until no more refs appear ({{foo}} will need two
3724
# iterations for example).
3729
for is_ref, chunk in iter_option_refs(result):
3731
chunks.append(chunk)
3736
raise errors.OptionExpansionLoop(string, _refs)
3738
value = self._expand_option(name, env, _refs)
3740
raise errors.ExpandingUnknownOption(name, string)
3741
chunks.append(value)
3743
result = ''.join(chunks)
3746
def _expand_option(self, name, env, _refs):
3747
if env is not None and name in env:
3748
# Special case, values provided in env takes precedence over
3752
value = self.get(name, expand=False)
3753
value = self._expand_options_in_string(value, env, _refs)
3756
def _get_mutable_section(self):
3757
"""Get the MutableSection for the Stack.
3759
This is where we guarantee that the mutable section is lazily loaded:
3760
this means we won't load the corresponding store before setting a value
3761
or deleting an option. In practice the store will often be loaded but
3762
this helps catching some programming errors.
3765
section = store.get_mutable_section(self.mutable_section_id)
3766
return store, section
3768
def set(self, name, value):
3769
"""Set a new value for the option."""
3770
store, section = self._get_mutable_section()
3771
section.set(name, store.quote(value))
3772
for hook in ConfigHooks['set']:
3773
hook(self, name, value)
3775
def remove(self, name):
3776
"""Remove an existing option."""
3777
_, section = self._get_mutable_section()
3778
section.remove(name)
3779
for hook in ConfigHooks['remove']:
3783
# Mostly for debugging use
3784
return "<config.%s(%s)>" % (self.__class__.__name__, id(self))
3786
def _get_overrides(self):
3787
# Hack around library_state.initialize never called
3788
if bzrlib.global_state is not None:
3789
return bzrlib.global_state.cmdline_overrides.get_sections()
3793
class MemoryStack(Stack):
3794
"""A configuration stack defined from a string.
3796
This is mainly intended for tests and requires no disk resources.
3799
def __init__(self, content=None):
3800
"""Create an in-memory stack from a given content.
3802
It uses a single store based on configobj and support reading and
3805
:param content: The initial content of the store. If None, the store is
3806
not loaded and ``_load_from_string`` can and should be used if
3809
store = IniFileStore()
3810
if content is not None:
3811
store._load_from_string(content)
3812
super(MemoryStack, self).__init__(
3813
[store.get_sections], store)
3816
class _CompatibleStack(Stack):
3817
"""Place holder for compatibility with previous design.
3819
This is intended to ease the transition from the Config-based design to the
3820
Stack-based design and should not be used nor relied upon by plugins.
3822
One assumption made here is that the daughter classes will all use Stores
3823
derived from LockableIniFileStore).
3825
It implements set() and remove () by re-loading the store before applying
3826
the modification and saving it.
3828
The long term plan being to implement a single write by store to save
3829
all modifications, this class should not be used in the interim.
3832
def set(self, name, value):
3835
super(_CompatibleStack, self).set(name, value)
3836
# Force a write to persistent storage
3839
def remove(self, name):
3842
super(_CompatibleStack, self).remove(name)
3843
# Force a write to persistent storage
3847
class GlobalStack(_CompatibleStack):
3848
"""Global options only stack.
3850
The following sections are queried:
3852
* command-line overrides,
3854
* the 'DEFAULT' section in bazaar.conf
3856
This stack will use the ``DEFAULT`` section in bazaar.conf as its
3861
gstore = GlobalStore()
3862
super(GlobalStack, self).__init__(
3863
[self._get_overrides,
3864
NameMatcher(gstore, 'DEFAULT').get_sections],
3865
gstore, mutable_section_id='DEFAULT')
3868
class LocationStack(_CompatibleStack):
3869
"""Per-location options falling back to global options stack.
3872
The following sections are queried:
3874
* command-line overrides,
3876
* the sections matching ``location`` in ``locations.conf``, the order being
3877
defined by the number of path components in the section glob, higher
3878
numbers first (from most specific section to most generic).
3880
* the 'DEFAULT' section in bazaar.conf
3882
This stack will use the ``location`` section in locations.conf as its
3886
def __init__(self, location):
3887
"""Make a new stack for a location and global configuration.
3889
:param location: A URL prefix to """
3890
lstore = LocationStore()
3891
if location.startswith('file://'):
3892
location = urlutils.local_path_from_url(location)
3893
gstore = GlobalStore()
3894
super(LocationStack, self).__init__(
3895
[self._get_overrides,
3896
LocationMatcher(lstore, location).get_sections,
3897
NameMatcher(gstore, 'DEFAULT').get_sections],
3898
lstore, mutable_section_id=location)
3901
class BranchStack(_CompatibleStack):
3902
"""Per-location options falling back to branch then global options stack.
3904
The following sections are queried:
3906
* command-line overrides,
3908
* the sections matching ``location`` in ``locations.conf``, the order being
3909
defined by the number of path components in the section glob, higher
3910
numbers first (from most specific section to most generic),
3912
* the no-name section in branch.conf,
3914
* the ``DEFAULT`` section in ``bazaar.conf``.
3916
This stack will use the no-name section in ``branch.conf`` as its
3920
def __init__(self, branch):
3921
lstore = LocationStore()
3922
bstore = branch._get_config_store()
3923
gstore = GlobalStore()
3924
super(BranchStack, self).__init__(
3925
[self._get_overrides,
3926
LocationMatcher(lstore, branch.base).get_sections,
3927
NameMatcher(bstore, None).get_sections,
3928
NameMatcher(gstore, 'DEFAULT').get_sections],
3930
self.branch = branch
3933
class RemoteControlStack(_CompatibleStack):
3934
"""Remote control-only options stack."""
3936
# FIXME 2011-11-22 JRV This should probably be renamed to avoid confusion
3937
# with the stack used for remote bzr dirs. RemoteControlStack only uses
3938
# control.conf and is used only for stack options.
3940
def __init__(self, bzrdir):
3941
cstore = bzrdir._get_config_store()
3942
super(RemoteControlStack, self).__init__(
3943
[NameMatcher(cstore, None).get_sections],
3945
self.bzrdir = bzrdir
3948
class BranchOnlyStack(_CompatibleStack):
3949
"""Branch-only options stack."""
3951
# FIXME: _BranchOnlyStack only uses branch.conf and is used only for the
3952
# stacked_on_location options waiting for http://pad.lv/832042 to be fixed.
3953
# -- vila 2011-12-16
3955
def __init__(self, branch):
3956
bstore = branch._get_config_store()
3957
super(BranchOnlyStack, self).__init__(
3958
[NameMatcher(bstore, None).get_sections],
3960
self.branch = branch
3963
# Use a an empty dict to initialize an empty configobj avoiding all
3964
# parsing and encoding checks
3965
_quoting_config = configobj.ConfigObj(
3966
{}, encoding='utf-8', interpolation=False, list_values=True)
3968
class cmd_config(commands.Command):
3969
__doc__ = """Display, set or remove a configuration option.
3971
Display the active value for a given option.
3973
If --all is specified, NAME is interpreted as a regular expression and all
3974
matching options are displayed mentioning their scope. The active value
3975
that bzr will take into account is the first one displayed for each option.
3977
If no NAME is given, --all .* is implied.
3979
Setting a value is achieved by using name=value without spaces. The value
3980
is set in the most relevant scope and can be checked by displaying the
3984
takes_args = ['name?']
3988
# FIXME: This should be a registry option so that plugins can register
3989
# their own config files (or not) and will also address
3990
# http://pad.lv/788991 -- vila 20101115
3991
commands.Option('scope', help='Reduce the scope to the specified'
3992
' configuration file.',
3994
commands.Option('all',
3995
help='Display all the defined values for the matching options.',
3997
commands.Option('remove', help='Remove the option from'
3998
' the configuration file.'),
4001
_see_also = ['configuration']
4003
@commands.display_command
4004
def run(self, name=None, all=False, directory=None, scope=None,
4006
if directory is None:
4008
directory = urlutils.normalize_url(directory)
4010
raise errors.BzrError(
4011
'--all and --remove are mutually exclusive.')
4013
# Delete the option in the given scope
4014
self._remove_config_option(name, directory, scope)
4016
# Defaults to all options
4017
self._show_matching_options('.*', directory, scope)
4020
name, value = name.split('=', 1)
4022
# Display the option(s) value(s)
4024
self._show_matching_options(name, directory, scope)
4026
self._show_value(name, directory, scope)
4029
raise errors.BzrError(
4030
'Only one option can be set.')
4031
# Set the option value
4032
self._set_config_option(name, value, directory, scope)
4034
def _get_stack(self, directory, scope=None):
4035
"""Get the configuration stack specified by ``directory`` and ``scope``.
4037
:param directory: Where the configurations are derived from.
4039
:param scope: A specific config to start from.
4041
# FIXME: scope should allow access to plugin-specific stacks (even
4042
# reduced to the plugin-specific store), related to
4043
# http://pad.lv/788991 -- vila 2011-11-15
4044
if scope is not None:
4045
if scope == 'bazaar':
4046
return GlobalStack()
4047
elif scope == 'locations':
4048
return LocationStack(directory)
4049
elif scope == 'branch':
4051
controldir.ControlDir.open_containing_tree_or_branch(
4053
return br.get_config_stack()
4054
raise errors.NoSuchConfig(scope)
4058
controldir.ControlDir.open_containing_tree_or_branch(
4060
return br.get_config_stack()
4061
except errors.NotBranchError:
4062
return LocationStack(directory)
4064
def _show_value(self, name, directory, scope):
4065
conf = self._get_stack(directory, scope)
4066
value = conf.get(name, expand=True)
4067
if value is not None:
4068
# Quote the value appropriately
4069
value = _quoting_config._quote(value)
4070
self.outf.write('%s\n' % (value,))
4072
raise errors.NoSuchConfigOption(name)
4074
def _show_matching_options(self, name, directory, scope):
4075
name = lazy_regex.lazy_compile(name)
4076
# We want any error in the regexp to be raised *now* so we need to
4077
# avoid the delay introduced by the lazy regexp. But, we still do
4078
# want the nicer errors raised by lazy_regex.
4079
name._compile_and_collapse()
4082
conf = self._get_stack(directory, scope)
4083
for sections in conf.sections_def:
4084
for store, section in sections():
4085
for oname in section.iter_option_names():
4086
if name.search(oname):
4087
if cur_store_id != store.id:
4088
# Explain where the options are defined
4089
self.outf.write('%s:\n' % (store.id,))
4090
cur_store_id = store.id
4092
if (section.id is not None
4093
and cur_section != section.id):
4094
# Display the section id as it appears in the store
4095
# (None doesn't appear by definition)
4096
self.outf.write(' [%s]\n' % (section.id,))
4097
cur_section = section.id
4098
value = section.get(oname, expand=False)
4099
# Since we don't use the stack, we need to restore a
4102
opt = option_registry.get(oname)
4103
value = opt.convert_from_unicode(store, value)
4105
value = store.unquote(value)
4106
value = _quoting_config._quote(value)
4107
self.outf.write(' %s = %s\n' % (oname, value))
4109
def _set_config_option(self, name, value, directory, scope):
4110
conf = self._get_stack(directory, scope)
4111
conf.set(name, value)
4113
def _remove_config_option(self, name, directory, scope):
4115
raise errors.BzrCommandError(
4116
'--remove expects an option to remove.')
4117
conf = self._get_stack(directory, scope)
4121
raise errors.NoSuchConfigOption(name)
4126
# We need adapters that can build a Store or a Stack in a test context. Test
4127
# classes, based on TestCaseWithTransport, can use the registry to parametrize
4128
# themselves. The builder will receive a test instance and should return a
4129
# ready-to-use store or stack. Plugins that define new store/stacks can also
4130
# register themselves here to be tested against the tests defined in
4131
# bzrlib.tests.test_config. Note that the builder can be called multiple times
4132
# for the same test.
4134
# The registered object should be a callable receiving a test instance
4135
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Store
4137
test_store_builder_registry = registry.Registry()
4139
# The registered object should be a callable receiving a test instance
4140
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Stack
4142
test_stack_builder_registry = registry.Registry()