1157
2268
configobj[name] = value
1159
2270
configobj.setdefault(section, {})[name] = value
1160
self._set_configobj(configobj)
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)
2283
self._set_configobj(configobj)
2285
def _get_config_file(self):
2287
f = StringIO(self._transport.get_bytes(self._filename))
2288
for hook in OldConfigHooks['load']:
2291
except errors.NoSuchFile:
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)
1162
2302
def _get_configobj(self):
2303
f = self._get_config_file()
1164
return ConfigObj(self._transport.get(self._filename),
1166
except errors.NoSuchFile:
1167
return ConfigObj(encoding='utf-8')
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())
1169
2315
def _set_configobj(self, configobj):
1170
2316
out_file = StringIO()
1171
2317
configobj.write(out_file)
1172
2318
out_file.seek(0)
1173
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.'''))
2869
option_registry.register_lazy('ssl.ca_certs',
2870
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_ca_certs')
2872
option_registry.register_lazy('ssl.cert_reqs',
2873
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_cert_reqs')
2877
class Section(object):
2878
"""A section defines a dict of option name => value.
2880
This is merely a read-only dict which can add some knowledge about the
2881
options. It is *not* a python dict object though and doesn't try to mimic
2885
def __init__(self, section_id, options):
2886
self.id = section_id
2887
# We re-use the dict-like object received
2888
self.options = options
2890
def get(self, name, default=None, expand=True):
2891
return self.options.get(name, default)
2893
def iter_option_names(self):
2894
for k in self.options.iterkeys():
2898
# Mostly for debugging use
2899
return "<config.%s id=%s>" % (self.__class__.__name__, self.id)
2902
_NewlyCreatedOption = object()
2903
"""Was the option created during the MutableSection lifetime"""
2904
_DeletedOption = object()
2905
"""Was the option deleted during the MutableSection lifetime"""
2908
class MutableSection(Section):
2909
"""A section allowing changes and keeping track of the original values."""
2911
def __init__(self, section_id, options):
2912
super(MutableSection, self).__init__(section_id, options)
2913
self.reset_changes()
2915
def set(self, name, value):
2916
if name not in self.options:
2917
# This is a new option
2918
self.orig[name] = _NewlyCreatedOption
2919
elif name not in self.orig:
2920
self.orig[name] = self.get(name, None)
2921
self.options[name] = value
2923
def remove(self, name):
2924
if name not in self.orig:
2925
self.orig[name] = self.get(name, None)
2926
del self.options[name]
2928
def reset_changes(self):
2931
def apply_changes(self, dirty, store):
2932
"""Apply option value changes.
2934
``self`` has been reloaded from the persistent storage. ``dirty``
2935
contains the changes made since the previous loading.
2937
:param dirty: the mutable section containing the changes.
2939
:param store: the store containing the section
2941
for k, expected in dirty.orig.iteritems():
2942
actual = dirty.get(k, _DeletedOption)
2943
reloaded = self.get(k, _NewlyCreatedOption)
2944
if actual is _DeletedOption:
2945
if k in self.options:
2949
# Report concurrent updates in an ad-hoc way. This should only
2950
# occurs when different processes try to update the same option
2951
# which is not supported (as in: the config framework is not meant
2952
# to be used a sharing mechanism).
2953
if expected != reloaded:
2954
if actual is _DeletedOption:
2955
actual = '<DELETED>'
2956
if reloaded is _NewlyCreatedOption:
2957
reloaded = '<CREATED>'
2958
if expected is _NewlyCreatedOption:
2959
expected = '<CREATED>'
2960
# Someone changed the value since we get it from the persistent
2962
trace.warning(gettext(
2963
"Option {0} in section {1} of {2} was changed"
2964
" from {3} to {4}. The {5} value will be saved.".format(
2965
k, self.id, store.external_url(), expected,
2967
# No need to keep track of these changes
2968
self.reset_changes()
2971
class Store(object):
2972
"""Abstract interface to persistent storage for configuration options."""
2974
readonly_section_class = Section
2975
mutable_section_class = MutableSection
2978
# Which sections need to be saved
2979
self.dirty_sections = []
2981
def is_loaded(self):
2982
"""Returns True if the Store has been loaded.
2984
This is used to implement lazy loading and ensure the persistent
2985
storage is queried only when needed.
2987
raise NotImplementedError(self.is_loaded)
2990
"""Loads the Store from persistent storage."""
2991
raise NotImplementedError(self.load)
2993
def _load_from_string(self, bytes):
2994
"""Create a store from a string in configobj syntax.
2996
:param bytes: A string representing the file content.
2998
raise NotImplementedError(self._load_from_string)
3001
"""Unloads the Store.
3003
This should make is_loaded() return False. This is used when the caller
3004
knows that the persistent storage has changed or may have change since
3007
raise NotImplementedError(self.unload)
3009
def quote(self, value):
3010
"""Quote a configuration option value for storing purposes.
3012
This allows Stacks to present values as they will be stored.
3016
def unquote(self, value):
3017
"""Unquote a configuration option value into unicode.
3019
The received value is quoted as stored.
3024
"""Saves the Store to persistent storage."""
3025
raise NotImplementedError(self.save)
3027
def _need_saving(self):
3028
for s in self.dirty_sections:
3030
# At least one dirty section contains a modification
3034
def apply_changes(self, dirty_sections):
3035
"""Apply changes from dirty sections while checking for coherency.
3037
The Store content is discarded and reloaded from persistent storage to
3038
acquire up-to-date values.
3040
Dirty sections are MutableSection which kept track of the value they
3041
are expected to update.
3043
# We need an up-to-date version from the persistent storage, unload the
3044
# store. The reload will occur when needed (triggered by the first
3045
# get_mutable_section() call below.
3047
# Apply the changes from the preserved dirty sections
3048
for dirty in dirty_sections:
3049
clean = self.get_mutable_section(dirty.id)
3050
clean.apply_changes(dirty, self)
3051
# Everything is clean now
3052
self.dirty_sections = []
3054
def save_changes(self):
3055
"""Saves the Store to persistent storage if changes occurred.
3057
Apply the changes recorded in the mutable sections to a store content
3058
refreshed from persistent storage.
3060
raise NotImplementedError(self.save_changes)
3062
def external_url(self):
3063
raise NotImplementedError(self.external_url)
3065
def get_sections(self):
3066
"""Returns an ordered iterable of existing sections.
3068
:returns: An iterable of (store, section).
3070
raise NotImplementedError(self.get_sections)
3072
def get_mutable_section(self, section_id=None):
3073
"""Returns the specified mutable section.
3075
:param section_id: The section identifier
3077
raise NotImplementedError(self.get_mutable_section)
3080
# Mostly for debugging use
3081
return "<config.%s(%s)>" % (self.__class__.__name__,
3082
self.external_url())
3085
class CommandLineStore(Store):
3086
"A store to carry command line overrides for the config options."""
3088
def __init__(self, opts=None):
3089
super(CommandLineStore, self).__init__()
3096
# The dict should be cleared but not replaced so it can be shared.
3097
self.options.clear()
3099
def _from_cmdline(self, overrides):
3100
# Reset before accepting new definitions
3102
for over in overrides:
3104
name, value = over.split('=', 1)
3106
raise errors.BzrCommandError(
3107
gettext("Invalid '%s', should be of the form 'name=value'")
3109
self.options[name] = value
3111
def external_url(self):
3112
# Not an url but it makes debugging easier and is never needed
3116
def get_sections(self):
3117
yield self, self.readonly_section_class(None, self.options)
3120
class IniFileStore(Store):
3121
"""A config Store using ConfigObj for storage.
3123
:ivar _config_obj: Private member to hold the ConfigObj instance used to
3124
serialize/deserialize the config file.
3128
"""A config Store using ConfigObj for storage.
3130
super(IniFileStore, self).__init__()
3131
self._config_obj = None
3133
def is_loaded(self):
3134
return self._config_obj != None
3137
self._config_obj = None
3138
self.dirty_sections = []
3140
def _load_content(self):
3141
"""Load the config file bytes.
3143
This should be provided by subclasses
3145
:return: Byte string
3147
raise NotImplementedError(self._load_content)
3149
def _save_content(self, content):
3150
"""Save the config file bytes.
3152
This should be provided by subclasses
3154
:param content: Config file bytes to write
3156
raise NotImplementedError(self._save_content)
3159
"""Load the store from the associated file."""
3160
if self.is_loaded():
3162
content = self._load_content()
3163
self._load_from_string(content)
3164
for hook in ConfigHooks['load']:
3167
def _load_from_string(self, bytes):
3168
"""Create a config store from a string.
3170
:param bytes: A string representing the file content.
3172
if self.is_loaded():
3173
raise AssertionError('Already loaded: %r' % (self._config_obj,))
3174
co_input = StringIO(bytes)
3176
# The config files are always stored utf8-encoded
3177
self._config_obj = ConfigObj(co_input, encoding='utf-8',
3179
except configobj.ConfigObjError, e:
3180
self._config_obj = None
3181
raise errors.ParseConfigError(e.errors, self.external_url())
3182
except UnicodeDecodeError:
3183
raise errors.ConfigContentError(self.external_url())
3185
def save_changes(self):
3186
if not self.is_loaded():
3189
if not self._need_saving():
3191
# Preserve the current version
3192
current = self._config_obj
3193
dirty_sections = list(self.dirty_sections)
3194
self.apply_changes(dirty_sections)
3195
# Save to the persistent storage
3199
if not self.is_loaded():
3203
self._config_obj.write(out)
3204
self._save_content(out.getvalue())
3205
for hook in ConfigHooks['save']:
3208
def get_sections(self):
3209
"""Get the configobj section in the file order.
3211
:returns: An iterable of (store, section).
3213
# We need a loaded store
3216
except (errors.NoSuchFile, errors.PermissionDenied):
3217
# If the file can't be read, there is no sections
3219
cobj = self._config_obj
3221
yield self, self.readonly_section_class(None, cobj)
3222
for section_name in cobj.sections:
3224
self.readonly_section_class(section_name,
3225
cobj[section_name]))
3227
def get_mutable_section(self, section_id=None):
3228
# We need a loaded store
3231
except errors.NoSuchFile:
3232
# The file doesn't exist, let's pretend it was empty
3233
self._load_from_string('')
3234
if section_id is None:
3235
section = self._config_obj
3237
section = self._config_obj.setdefault(section_id, {})
3238
mutable_section = self.mutable_section_class(section_id, section)
3239
# All mutable sections can become dirty
3240
self.dirty_sections.append(mutable_section)
3241
return mutable_section
3243
def quote(self, value):
3245
# configobj conflates automagical list values and quoting
3246
self._config_obj.list_values = True
3247
return self._config_obj._quote(value)
3249
self._config_obj.list_values = False
3251
def unquote(self, value):
3252
if value and isinstance(value, basestring):
3253
# _unquote doesn't handle None nor empty strings nor anything that
3254
# is not a string, really.
3255
value = self._config_obj._unquote(value)
3258
def external_url(self):
3259
# Since an IniFileStore can be used without a file (at least in tests),
3260
# it's better to provide something than raising a NotImplementedError.
3261
# All daughter classes are supposed to provide an implementation
3263
return 'In-Process Store, no URL'
3265
class TransportIniFileStore(IniFileStore):
3266
"""IniFileStore that loads files from a transport.
3268
:ivar transport: The transport object where the config file is located.
3270
:ivar file_name: The config file basename in the transport directory.
3273
def __init__(self, transport, file_name):
3274
"""A Store using a ini file on a Transport
3276
:param transport: The transport object where the config file is located.
3277
:param file_name: The config file basename in the transport directory.
3279
super(TransportIniFileStore, self).__init__()
3280
self.transport = transport
3281
self.file_name = file_name
3283
def _load_content(self):
3285
return self.transport.get_bytes(self.file_name)
3286
except errors.PermissionDenied:
3287
trace.warning("Permission denied while trying to load "
3288
"configuration store %s.", self.external_url())
3291
def _save_content(self, content):
3292
self.transport.put_bytes(self.file_name, content)
3294
def external_url(self):
3295
# FIXME: external_url should really accepts an optional relpath
3296
# parameter (bug #750169) :-/ -- vila 2011-04-04
3297
# The following will do in the interim but maybe we don't want to
3298
# expose a path here but rather a config ID and its associated
3299
# object </hand wawe>.
3300
return urlutils.join(self.transport.external_url(), self.file_name)
3303
# Note that LockableConfigObjStore inherits from ConfigObjStore because we need
3304
# unlockable stores for use with objects that can already ensure the locking
3305
# (think branches). If different stores (not based on ConfigObj) are created,
3306
# they may face the same issue.
3309
class LockableIniFileStore(TransportIniFileStore):
3310
"""A ConfigObjStore using locks on save to ensure store integrity."""
3312
def __init__(self, transport, file_name, lock_dir_name=None):
3313
"""A config Store using ConfigObj for storage.
3315
:param transport: The transport object where the config file is located.
3317
:param file_name: The config file basename in the transport directory.
3319
if lock_dir_name is None:
3320
lock_dir_name = 'lock'
3321
self.lock_dir_name = lock_dir_name
3322
super(LockableIniFileStore, self).__init__(transport, file_name)
3323
self._lock = lockdir.LockDir(self.transport, self.lock_dir_name)
3325
def lock_write(self, token=None):
3326
"""Takes a write lock in the directory containing the config file.
3328
If the directory doesn't exist it is created.
3330
# FIXME: This doesn't check the ownership of the created directories as
3331
# ensure_config_dir_exists does. It should if the transport is local
3332
# -- vila 2011-04-06
3333
self.transport.create_prefix()
3334
return self._lock.lock_write(token)
3339
def break_lock(self):
3340
self._lock.break_lock()
3344
# We need to be able to override the undecorated implementation
3345
self.save_without_locking()
3347
def save_without_locking(self):
3348
super(LockableIniFileStore, self).save()
3351
# FIXME: global, bazaar, shouldn't that be 'user' instead or even
3352
# 'user_defaults' as opposed to 'user_overrides', 'system_defaults'
3353
# (/etc/bzr/bazaar.conf) and 'system_overrides' ? -- vila 2011-04-05
3355
# FIXME: Moreover, we shouldn't need classes for these stores either, factory
3356
# functions or a registry will make it easier and clearer for tests, focusing
3357
# on the relevant parts of the API that needs testing -- vila 20110503 (based
3358
# on a poolie's remark)
3359
class GlobalStore(LockableIniFileStore):
3361
def __init__(self, possible_transports=None):
3362
t = transport.get_transport_from_path(
3363
config_dir(), possible_transports=possible_transports)
3364
super(GlobalStore, self).__init__(t, 'bazaar.conf')
3368
class LocationStore(LockableIniFileStore):
3370
def __init__(self, possible_transports=None):
3371
t = transport.get_transport_from_path(
3372
config_dir(), possible_transports=possible_transports)
3373
super(LocationStore, self).__init__(t, 'locations.conf')
3374
self.id = 'locations'
3377
class BranchStore(TransportIniFileStore):
3379
def __init__(self, branch):
3380
super(BranchStore, self).__init__(branch.control_transport,
3382
self.branch = branch
3385
def lock_write(self, token=None):
3386
return self.branch.lock_write(token)
3389
return self.branch.unlock()
3393
# We need to be able to override the undecorated implementation
3394
self.save_without_locking()
3396
def save_without_locking(self):
3397
super(BranchStore, self).save()
3400
class ControlStore(LockableIniFileStore):
3402
def __init__(self, bzrdir):
3403
super(ControlStore, self).__init__(bzrdir.transport,
3405
lock_dir_name='branch_lock')
3409
class SectionMatcher(object):
3410
"""Select sections into a given Store.
3412
This is intended to be used to postpone getting an iterable of sections
3416
def __init__(self, store):
3419
def get_sections(self):
3420
# This is where we require loading the store so we can see all defined
3422
sections = self.store.get_sections()
3423
# Walk the revisions in the order provided
3424
for store, s in sections:
3428
def match(self, section):
3429
"""Does the proposed section match.
3431
:param section: A Section object.
3433
:returns: True if the section matches, False otherwise.
3435
raise NotImplementedError(self.match)
3438
class NameMatcher(SectionMatcher):
3440
def __init__(self, store, section_id):
3441
super(NameMatcher, self).__init__(store)
3442
self.section_id = section_id
3444
def match(self, section):
3445
return section.id == self.section_id
3448
class LocationSection(Section):
3450
def __init__(self, section, extra_path):
3451
super(LocationSection, self).__init__(section.id, section.options)
3452
self.extra_path = extra_path
3453
self.locals = {'relpath': extra_path,
3454
'basename': urlutils.basename(extra_path)}
3456
def get(self, name, default=None, expand=True):
3457
value = super(LocationSection, self).get(name, default)
3458
if value is not None and expand:
3459
policy_name = self.get(name + ':policy', None)
3460
policy = _policy_value.get(policy_name, POLICY_NONE)
3461
if policy == POLICY_APPENDPATH:
3462
value = urlutils.join(value, self.extra_path)
3463
# expand section local options right now (since POLICY_APPENDPATH
3464
# will never add options references, it's ok to expand after it).
3466
for is_ref, chunk in iter_option_refs(value):
3468
chunks.append(chunk)
3471
if ref in self.locals:
3472
chunks.append(self.locals[ref])
3474
chunks.append(chunk)
3475
value = ''.join(chunks)
3479
class StartingPathMatcher(SectionMatcher):
3480
"""Select sections for a given location respecting the Store order."""
3482
# FIXME: Both local paths and urls can be used for section names as well as
3483
# ``location`` to stay consistent with ``LocationMatcher`` which itself
3484
# inherited the fuzziness from the previous ``LocationConfig``
3485
# implementation. We probably need to revisit which encoding is allowed for
3486
# both ``location`` and section names and how we normalize
3487
# them. http://pad.lv/85479, http://pad.lv/437009 and http://359320 are
3488
# related too. -- vila 2012-01-04
3490
def __init__(self, store, location):
3491
super(StartingPathMatcher, self).__init__(store)
3492
if location.startswith('file://'):
3493
location = urlutils.local_path_from_url(location)
3494
self.location = location
3496
def get_sections(self):
3497
"""Get all sections matching ``location`` in the store.
3499
The most generic sections are described first in the store, then more
3500
specific ones can be provided for reduced scopes.
3502
The returned section are therefore returned in the reversed order so
3503
the most specific ones can be found first.
3505
location_parts = self.location.rstrip('/').split('/')
3508
# Later sections are more specific, they should be returned first
3509
for _, section in reversed(list(store.get_sections())):
3510
if section.id is None:
3511
# The no-name section is always included if present
3512
yield store, LocationSection(section, self.location)
3514
section_path = section.id
3515
if section_path.startswith('file://'):
3516
# the location is already a local path or URL, convert the
3517
# section id to the same format
3518
section_path = urlutils.local_path_from_url(section_path)
3519
if (self.location.startswith(section_path)
3520
or fnmatch.fnmatch(self.location, section_path)):
3521
section_parts = section_path.rstrip('/').split('/')
3522
extra_path = '/'.join(location_parts[len(section_parts):])
3523
yield store, LocationSection(section, extra_path)
3526
class LocationMatcher(SectionMatcher):
3528
def __init__(self, store, location):
3529
super(LocationMatcher, self).__init__(store)
3530
if location.startswith('file://'):
3531
location = urlutils.local_path_from_url(location)
3532
self.location = location
3534
def _get_matching_sections(self):
3535
"""Get all sections matching ``location``."""
3536
# We slightly diverge from LocalConfig here by allowing the no-name
3537
# section as the most generic one and the lower priority.
3538
no_name_section = None
3540
# Filter out the no_name_section so _iter_for_location_by_parts can be
3541
# used (it assumes all sections have a name).
3542
for _, section in self.store.get_sections():
3543
if section.id is None:
3544
no_name_section = section
3546
all_sections.append(section)
3547
# Unfortunately _iter_for_location_by_parts deals with section names so
3548
# we have to resync.
3549
filtered_sections = _iter_for_location_by_parts(
3550
[s.id for s in all_sections], self.location)
3551
iter_all_sections = iter(all_sections)
3552
matching_sections = []
3553
if no_name_section is not None:
3554
matching_sections.append(
3555
(0, LocationSection(no_name_section, self.location)))
3556
for section_id, extra_path, length in filtered_sections:
3557
# a section id is unique for a given store so it's safe to take the
3558
# first matching section while iterating. Also, all filtered
3559
# sections are part of 'all_sections' and will always be found
3562
section = iter_all_sections.next()
3563
if section_id == section.id:
3564
matching_sections.append(
3565
(length, LocationSection(section, extra_path)))
3567
return matching_sections
3569
def get_sections(self):
3570
# Override the default implementation as we want to change the order
3571
matching_sections = self._get_matching_sections()
3572
# We want the longest (aka more specific) locations first
3573
sections = sorted(matching_sections,
3574
key=lambda (length, section): (length, section.id),
3576
# Sections mentioning 'ignore_parents' restrict the selection
3577
for _, section in sections:
3578
# FIXME: We really want to use as_bool below -- vila 2011-04-07
3579
ignore = section.get('ignore_parents', None)
3580
if ignore is not None:
3581
ignore = ui.bool_from_string(ignore)
3584
# Finally, we have a valid section
3585
yield self.store, section
3588
_option_ref_re = lazy_regex.lazy_compile('({[^{}\n]+})')
3589
"""Describes an expandable option reference.
3591
We want to match the most embedded reference first.
3593
I.e. for '{{foo}}' we will get '{foo}',
3594
for '{bar{baz}}' we will get '{baz}'
3597
def iter_option_refs(string):
3598
# Split isolate refs so every other chunk is a ref
3600
for chunk in _option_ref_re.split(string):
3605
class Stack(object):
3606
"""A stack of configurations where an option can be defined"""
3608
def __init__(self, sections_def, store=None, mutable_section_id=None):
3609
"""Creates a stack of sections with an optional store for changes.
3611
:param sections_def: A list of Section or callables that returns an
3612
iterable of Section. This defines the Sections for the Stack and
3613
can be called repeatedly if needed.
3615
:param store: The optional Store where modifications will be
3616
recorded. If none is specified, no modifications can be done.
3618
:param mutable_section_id: The id of the MutableSection where changes
3619
are recorded. This requires the ``store`` parameter to be
3622
self.sections_def = sections_def
3624
self.mutable_section_id = mutable_section_id
3626
def get(self, name, expand=None):
3627
"""Return the *first* option value found in the sections.
3629
This is where we guarantee that sections coming from Store are loaded
3630
lazily: the loading is delayed until we need to either check that an
3631
option exists or get its value, which in turn may require to discover
3632
in which sections it can be defined. Both of these (section and option
3633
existence) require loading the store (even partially).
3635
:param name: The queried option.
3637
:param expand: Whether options references should be expanded.
3639
:returns: The value of the option.
3641
# FIXME: No caching of options nor sections yet -- vila 20110503
3643
expand = _get_expand_default_value()
3645
found_store = None # Where the option value has been found
3646
# If the option is registered, it may provide additional info about
3649
opt = option_registry.get(name)
3654
def expand_and_convert(val):
3655
# This may need to be called in different contexts if the value is
3656
# None or ends up being None during expansion or conversion.
3659
if isinstance(val, basestring):
3660
val = self._expand_options_in_string(val)
3662
trace.warning('Cannot expand "%s":'
3663
' %s does not support option expansion'
3664
% (name, type(val)))
3666
val = found_store.unquote(val)
3668
val = opt.convert_from_unicode(found_store, val)
3671
# First of all, check if the environment can override the configuration
3673
if opt is not None and opt.override_from_env:
3674
value = opt.get_override()
3675
value = expand_and_convert(value)
3677
# Ensuring lazy loading is achieved by delaying section matching
3678
# (which implies querying the persistent storage) until it can't be
3679
# avoided anymore by using callables to describe (possibly empty)
3681
for sections in self.sections_def:
3682
for store, section in sections():
3683
value = section.get(name)
3684
if value is not None:
3687
if value is not None:
3689
value = expand_and_convert(value)
3690
if opt is not None and value is None:
3691
# If the option is registered, it may provide a default value
3692
value = opt.get_default()
3693
value = expand_and_convert(value)
3694
for hook in ConfigHooks['get']:
3695
hook(self, name, value)
3698
def expand_options(self, string, env=None):
3699
"""Expand option references in the string in the configuration context.
3701
:param string: The string containing option(s) to expand.
3703
:param env: An option dict defining additional configuration options or
3704
overriding existing ones.
3706
:returns: The expanded string.
3708
return self._expand_options_in_string(string, env)
3710
def _expand_options_in_string(self, string, env=None, _refs=None):
3711
"""Expand options in the string in the configuration context.
3713
:param string: The string to be expanded.
3715
:param env: An option dict defining additional configuration options or
3716
overriding existing ones.
3718
:param _refs: Private list (FIFO) containing the options being expanded
3721
:returns: The expanded string.
3724
# Not much to expand there
3727
# What references are currently resolved (to detect loops)
3730
# We need to iterate until no more refs appear ({{foo}} will need two
3731
# iterations for example).
3736
for is_ref, chunk in iter_option_refs(result):
3738
chunks.append(chunk)
3743
raise errors.OptionExpansionLoop(string, _refs)
3745
value = self._expand_option(name, env, _refs)
3747
raise errors.ExpandingUnknownOption(name, string)
3748
chunks.append(value)
3750
result = ''.join(chunks)
3753
def _expand_option(self, name, env, _refs):
3754
if env is not None and name in env:
3755
# Special case, values provided in env takes precedence over
3759
value = self.get(name, expand=False)
3760
value = self._expand_options_in_string(value, env, _refs)
3763
def _get_mutable_section(self):
3764
"""Get the MutableSection for the Stack.
3766
This is where we guarantee that the mutable section is lazily loaded:
3767
this means we won't load the corresponding store before setting a value
3768
or deleting an option. In practice the store will often be loaded but
3769
this helps catching some programming errors.
3772
section = store.get_mutable_section(self.mutable_section_id)
3773
return store, section
3775
def set(self, name, value):
3776
"""Set a new value for the option."""
3777
store, section = self._get_mutable_section()
3778
section.set(name, store.quote(value))
3779
for hook in ConfigHooks['set']:
3780
hook(self, name, value)
3782
def remove(self, name):
3783
"""Remove an existing option."""
3784
_, section = self._get_mutable_section()
3785
section.remove(name)
3786
for hook in ConfigHooks['remove']:
3790
# Mostly for debugging use
3791
return "<config.%s(%s)>" % (self.__class__.__name__, id(self))
3793
def _get_overrides(self):
3794
# Hack around library_state.initialize never called
3795
if bzrlib.global_state is not None:
3796
return bzrlib.global_state.cmdline_overrides.get_sections()
3800
class MemoryStack(Stack):
3801
"""A configuration stack defined from a string.
3803
This is mainly intended for tests and requires no disk resources.
3806
def __init__(self, content=None):
3807
"""Create an in-memory stack from a given content.
3809
It uses a single store based on configobj and support reading and
3812
:param content: The initial content of the store. If None, the store is
3813
not loaded and ``_load_from_string`` can and should be used if
3816
store = IniFileStore()
3817
if content is not None:
3818
store._load_from_string(content)
3819
super(MemoryStack, self).__init__(
3820
[store.get_sections], store)
3823
class _CompatibleStack(Stack):
3824
"""Place holder for compatibility with previous design.
3826
This is intended to ease the transition from the Config-based design to the
3827
Stack-based design and should not be used nor relied upon by plugins.
3829
One assumption made here is that the daughter classes will all use Stores
3830
derived from LockableIniFileStore).
3832
It implements set() and remove () by re-loading the store before applying
3833
the modification and saving it.
3835
The long term plan being to implement a single write by store to save
3836
all modifications, this class should not be used in the interim.
3839
def set(self, name, value):
3842
super(_CompatibleStack, self).set(name, value)
3843
# Force a write to persistent storage
3846
def remove(self, name):
3849
super(_CompatibleStack, self).remove(name)
3850
# Force a write to persistent storage
3854
class GlobalStack(_CompatibleStack):
3855
"""Global options only stack.
3857
The following sections are queried:
3859
* command-line overrides,
3861
* the 'DEFAULT' section in bazaar.conf
3863
This stack will use the ``DEFAULT`` section in bazaar.conf as its
3868
gstore = GlobalStore()
3869
super(GlobalStack, self).__init__(
3870
[self._get_overrides,
3871
NameMatcher(gstore, 'DEFAULT').get_sections],
3872
gstore, mutable_section_id='DEFAULT')
3875
class LocationStack(_CompatibleStack):
3876
"""Per-location options falling back to global options stack.
3879
The following sections are queried:
3881
* command-line overrides,
3883
* the sections matching ``location`` in ``locations.conf``, the order being
3884
defined by the number of path components in the section glob, higher
3885
numbers first (from most specific section to most generic).
3887
* the 'DEFAULT' section in bazaar.conf
3889
This stack will use the ``location`` section in locations.conf as its
3893
def __init__(self, location):
3894
"""Make a new stack for a location and global configuration.
3896
:param location: A URL prefix to """
3897
lstore = LocationStore()
3898
if location.startswith('file://'):
3899
location = urlutils.local_path_from_url(location)
3900
gstore = GlobalStore()
3901
super(LocationStack, self).__init__(
3902
[self._get_overrides,
3903
LocationMatcher(lstore, location).get_sections,
3904
NameMatcher(gstore, 'DEFAULT').get_sections],
3905
lstore, mutable_section_id=location)
3908
class BranchStack(_CompatibleStack):
3909
"""Per-location options falling back to branch then global options stack.
3911
The following sections are queried:
3913
* command-line overrides,
3915
* the sections matching ``location`` in ``locations.conf``, the order being
3916
defined by the number of path components in the section glob, higher
3917
numbers first (from most specific section to most generic),
3919
* the no-name section in branch.conf,
3921
* the ``DEFAULT`` section in ``bazaar.conf``.
3923
This stack will use the no-name section in ``branch.conf`` as its
3927
def __init__(self, branch):
3928
lstore = LocationStore()
3929
bstore = branch._get_config_store()
3930
gstore = GlobalStore()
3931
super(BranchStack, self).__init__(
3932
[self._get_overrides,
3933
LocationMatcher(lstore, branch.base).get_sections,
3934
NameMatcher(bstore, None).get_sections,
3935
NameMatcher(gstore, 'DEFAULT').get_sections],
3937
self.branch = branch
3940
class RemoteControlStack(_CompatibleStack):
3941
"""Remote control-only options stack."""
3943
# FIXME 2011-11-22 JRV This should probably be renamed to avoid confusion
3944
# with the stack used for remote bzr dirs. RemoteControlStack only uses
3945
# control.conf and is used only for stack options.
3947
def __init__(self, bzrdir):
3948
cstore = bzrdir._get_config_store()
3949
super(RemoteControlStack, self).__init__(
3950
[NameMatcher(cstore, None).get_sections],
3952
self.bzrdir = bzrdir
3955
class BranchOnlyStack(_CompatibleStack):
3956
"""Branch-only options stack."""
3958
# FIXME: _BranchOnlyStack only uses branch.conf and is used only for the
3959
# stacked_on_location options waiting for http://pad.lv/832042 to be fixed.
3960
# -- vila 2011-12-16
3962
def __init__(self, branch):
3963
bstore = branch._get_config_store()
3964
super(BranchOnlyStack, self).__init__(
3965
[NameMatcher(bstore, None).get_sections],
3967
self.branch = branch
3970
# Use a an empty dict to initialize an empty configobj avoiding all
3971
# parsing and encoding checks
3972
_quoting_config = configobj.ConfigObj(
3973
{}, encoding='utf-8', interpolation=False, list_values=True)
3975
class cmd_config(commands.Command):
3976
__doc__ = """Display, set or remove a configuration option.
3978
Display the active value for a given option.
3980
If --all is specified, NAME is interpreted as a regular expression and all
3981
matching options are displayed mentioning their scope. The active value
3982
that bzr will take into account is the first one displayed for each option.
3984
If no NAME is given, --all .* is implied.
3986
Setting a value is achieved by using name=value without spaces. The value
3987
is set in the most relevant scope and can be checked by displaying the
3991
takes_args = ['name?']
3995
# FIXME: This should be a registry option so that plugins can register
3996
# their own config files (or not) and will also address
3997
# http://pad.lv/788991 -- vila 20101115
3998
commands.Option('scope', help='Reduce the scope to the specified'
3999
' configuration file.',
4001
commands.Option('all',
4002
help='Display all the defined values for the matching options.',
4004
commands.Option('remove', help='Remove the option from'
4005
' the configuration file.'),
4008
_see_also = ['configuration']
4010
@commands.display_command
4011
def run(self, name=None, all=False, directory=None, scope=None,
4013
if directory is None:
4015
directory = urlutils.normalize_url(directory)
4017
raise errors.BzrError(
4018
'--all and --remove are mutually exclusive.')
4020
# Delete the option in the given scope
4021
self._remove_config_option(name, directory, scope)
4023
# Defaults to all options
4024
self._show_matching_options('.*', directory, scope)
4027
name, value = name.split('=', 1)
4029
# Display the option(s) value(s)
4031
self._show_matching_options(name, directory, scope)
4033
self._show_value(name, directory, scope)
4036
raise errors.BzrError(
4037
'Only one option can be set.')
4038
# Set the option value
4039
self._set_config_option(name, value, directory, scope)
4041
def _get_stack(self, directory, scope=None):
4042
"""Get the configuration stack specified by ``directory`` and ``scope``.
4044
:param directory: Where the configurations are derived from.
4046
:param scope: A specific config to start from.
4048
# FIXME: scope should allow access to plugin-specific stacks (even
4049
# reduced to the plugin-specific store), related to
4050
# http://pad.lv/788991 -- vila 2011-11-15
4051
if scope is not None:
4052
if scope == 'bazaar':
4053
return GlobalStack()
4054
elif scope == 'locations':
4055
return LocationStack(directory)
4056
elif scope == 'branch':
4058
controldir.ControlDir.open_containing_tree_or_branch(
4060
return br.get_config_stack()
4061
raise errors.NoSuchConfig(scope)
4065
controldir.ControlDir.open_containing_tree_or_branch(
4067
return br.get_config_stack()
4068
except errors.NotBranchError:
4069
return LocationStack(directory)
4071
def _show_value(self, name, directory, scope):
4072
conf = self._get_stack(directory, scope)
4073
value = conf.get(name, expand=True)
4074
if value is not None:
4075
# Quote the value appropriately
4076
value = _quoting_config._quote(value)
4077
self.outf.write('%s\n' % (value,))
4079
raise errors.NoSuchConfigOption(name)
4081
def _show_matching_options(self, name, directory, scope):
4082
name = lazy_regex.lazy_compile(name)
4083
# We want any error in the regexp to be raised *now* so we need to
4084
# avoid the delay introduced by the lazy regexp. But, we still do
4085
# want the nicer errors raised by lazy_regex.
4086
name._compile_and_collapse()
4089
conf = self._get_stack(directory, scope)
4090
for sections in conf.sections_def:
4091
for store, section in sections():
4092
for oname in section.iter_option_names():
4093
if name.search(oname):
4094
if cur_store_id != store.id:
4095
# Explain where the options are defined
4096
self.outf.write('%s:\n' % (store.id,))
4097
cur_store_id = store.id
4099
if (section.id is not None
4100
and cur_section != section.id):
4101
# Display the section id as it appears in the store
4102
# (None doesn't appear by definition)
4103
self.outf.write(' [%s]\n' % (section.id,))
4104
cur_section = section.id
4105
value = section.get(oname, expand=False)
4106
# Since we don't use the stack, we need to restore a
4109
opt = option_registry.get(oname)
4110
value = opt.convert_from_unicode(store, value)
4112
value = store.unquote(value)
4113
value = _quoting_config._quote(value)
4114
self.outf.write(' %s = %s\n' % (oname, value))
4116
def _set_config_option(self, name, value, directory, scope):
4117
conf = self._get_stack(directory, scope)
4118
conf.set(name, value)
4120
def _remove_config_option(self, name, directory, scope):
4122
raise errors.BzrCommandError(
4123
'--remove expects an option to remove.')
4124
conf = self._get_stack(directory, scope)
4128
raise errors.NoSuchConfigOption(name)
4133
# We need adapters that can build a Store or a Stack in a test context. Test
4134
# classes, based on TestCaseWithTransport, can use the registry to parametrize
4135
# themselves. The builder will receive a test instance and should return a
4136
# ready-to-use store or stack. Plugins that define new store/stacks can also
4137
# register themselves here to be tested against the tests defined in
4138
# bzrlib.tests.test_config. Note that the builder can be called multiple times
4139
# for the same test.
4141
# The registered object should be a callable receiving a test instance
4142
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Store
4144
test_store_builder_registry = registry.Registry()
4146
# The registered object should be a callable receiving a test instance
4147
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Stack
4149
test_stack_builder_registry = registry.Registry()