2262
2288
The option *values* are stored in config files and found in sections.
2264
2290
Here we define various properties about the option itself, its default
2265
value, in which config files it can be stored, etc (TBC).
2291
value, how to convert it from stores, what to do when invalid values are
2292
encoutered, in which config files it can be stored.
2268
def __init__(self, name, default=None):
2295
def __init__(self, name, override_from_env=None,
2296
default=None, default_from_env=None,
2297
help=None, from_unicode=None, invalid=None, unquote=True):
2298
"""Build an option definition.
2300
:param name: the name used to refer to the option.
2302
:param override_from_env: A list of environment variables which can
2303
provide override any configuration setting.
2305
:param default: the default value to use when none exist in the config
2306
stores. This is either a string that ``from_unicode`` will convert
2307
into the proper type, a callable returning a unicode string so that
2308
``from_unicode`` can be used on the return value, or a python
2309
object that can be stringified (so only the empty list is supported
2312
:param default_from_env: A list of environment variables which can
2313
provide a default value. 'default' will be used only if none of the
2314
variables specified here are set in the environment.
2316
:param help: a doc string to explain the option to the user.
2318
:param from_unicode: a callable to convert the unicode string
2319
representing the option value in a store. This is not called for
2322
:param invalid: the action to be taken when an invalid value is
2323
encountered in a store. This is called only when from_unicode is
2324
invoked to convert a string and returns None or raise ValueError or
2325
TypeError. Accepted values are: None (ignore invalid values),
2326
'warning' (emit a warning), 'error' (emit an error message and
2329
:param unquote: should the unicode value be unquoted before conversion.
2330
This should be used only when the store providing the values cannot
2331
safely unquote them (see http://pad.lv/906897). It is provided so
2332
daughter classes can handle the quoting themselves.
2334
if override_from_env is None:
2335
override_from_env = []
2336
if default_from_env is None:
2337
default_from_env = []
2269
2338
self.name = name
2270
self.default = default
2339
self.override_from_env = override_from_env
2340
# Convert the default value to a unicode string so all values are
2341
# strings internally before conversion (via from_unicode) is attempted.
2344
elif isinstance(default, list):
2345
# Only the empty list is supported
2347
raise AssertionError(
2348
'Only empty lists are supported as default values')
2350
elif isinstance(default, (str, unicode, bool, int, float)):
2351
# Rely on python to convert strings, booleans and integers
2352
self.default = u'%s' % (default,)
2353
elif callable(default):
2354
self.default = default
2356
# other python objects are not expected
2357
raise AssertionError('%r is not supported as a default value'
2359
self.default_from_env = default_from_env
2361
self.from_unicode = from_unicode
2362
self.unquote = unquote
2363
if invalid and invalid not in ('warning', 'error'):
2364
raise AssertionError("%s not supported for 'invalid'" % (invalid,))
2365
self.invalid = invalid
2371
def convert_from_unicode(self, store, unicode_value):
2372
if self.unquote and store is not None and unicode_value is not None:
2373
unicode_value = store.unquote(unicode_value)
2374
if self.from_unicode is None or unicode_value is None:
2375
# Don't convert or nothing to convert
2376
return unicode_value
2378
converted = self.from_unicode(unicode_value)
2379
except (ValueError, TypeError):
2380
# Invalid values are ignored
2382
if converted is None and self.invalid is not None:
2383
# The conversion failed
2384
if self.invalid == 'warning':
2385
trace.warning('Value "%s" is not valid for "%s"',
2386
unicode_value, self.name)
2387
elif self.invalid == 'error':
2388
raise errors.ConfigOptionValueError(self.name, unicode_value)
2391
def get_override(self):
2393
for var in self.override_from_env:
2395
# If the env variable is defined, its value takes precedence
2396
value = os.environ[var].decode(osutils.get_user_encoding())
2272
2402
def get_default(self):
2278
option_registry = registry.Registry()
2281
option_registry.register(
2282
'editor', Option('editor'),
2283
help='The command called to launch an editor to enter a message.')
2404
for var in self.default_from_env:
2406
# If the env variable is defined, its value is the default one
2407
value = os.environ[var].decode(osutils.get_user_encoding())
2412
# Otherwise, fallback to the value defined at registration
2413
if callable(self.default):
2414
value = self.default()
2415
if not isinstance(value, unicode):
2416
raise AssertionError(
2417
"Callable default value for '%s' should be unicode"
2420
value = self.default
2423
def get_help_topic(self):
2426
def get_help_text(self, additional_see_also=None, plain=True):
2428
from bzrlib import help_topics
2429
result += help_topics._format_see_also(additional_see_also)
2431
result = help_topics.help_as_plain_text(result)
2435
# Predefined converters to get proper values from store
2437
def bool_from_store(unicode_str):
2438
return ui.bool_from_string(unicode_str)
2441
def int_from_store(unicode_str):
2442
return int(unicode_str)
2445
_unit_suffixes = dict(K=10**3, M=10**6, G=10**9)
2447
def int_SI_from_store(unicode_str):
2448
"""Convert a human readable size in SI units, e.g 10MB into an integer.
2450
Accepted suffixes are K,M,G. It is case-insensitive and may be followed
2451
by a trailing b (i.e. Kb, MB). This is intended to be practical and not
2454
:return Integer, expanded to its base-10 value if a proper SI unit is
2455
found, None otherwise.
2457
regexp = "^(\d+)(([" + ''.join(_unit_suffixes) + "])b?)?$"
2458
p = re.compile(regexp, re.IGNORECASE)
2459
m = p.match(unicode_str)
2462
val, _, unit = m.groups()
2466
coeff = _unit_suffixes[unit.upper()]
2468
raise ValueError(gettext('{0} is not an SI unit.').format(unit))
2473
def float_from_store(unicode_str):
2474
return float(unicode_str)
2477
# Use an empty dict to initialize an empty configobj avoiding all parsing and
2479
_list_converter_config = configobj.ConfigObj(
2480
{}, encoding='utf-8', list_values=True, interpolation=False)
2483
class ListOption(Option):
2485
def __init__(self, name, default=None, default_from_env=None,
2486
help=None, invalid=None):
2487
"""A list Option definition.
2489
This overrides the base class so the conversion from a unicode string
2490
can take quoting into account.
2492
super(ListOption, self).__init__(
2493
name, default=default, default_from_env=default_from_env,
2494
from_unicode=self.from_unicode, help=help,
2495
invalid=invalid, unquote=False)
2497
def from_unicode(self, unicode_str):
2498
if not isinstance(unicode_str, basestring):
2500
# Now inject our string directly as unicode. All callers got their
2501
# value from configobj, so values that need to be quoted are already
2503
_list_converter_config.reset()
2504
_list_converter_config._parse([u"list=%s" % (unicode_str,)])
2505
maybe_list = _list_converter_config['list']
2506
if isinstance(maybe_list, basestring):
2508
# A single value, most probably the user forgot (or didn't care
2509
# to add) the final ','
2512
# The empty string, convert to empty list
2515
# We rely on ConfigObj providing us with a list already
2520
class RegistryOption(Option):
2521
"""Option for a choice from a registry."""
2523
def __init__(self, name, registry, default_from_env=None,
2524
help=None, invalid=None):
2525
"""A registry based Option definition.
2527
This overrides the base class so the conversion from a unicode string
2528
can take quoting into account.
2530
super(RegistryOption, self).__init__(
2531
name, default=lambda: unicode(registry.default_key),
2532
default_from_env=default_from_env,
2533
from_unicode=self.from_unicode, help=help,
2534
invalid=invalid, unquote=False)
2535
self.registry = registry
2537
def from_unicode(self, unicode_str):
2538
if not isinstance(unicode_str, basestring):
2541
return self.registry.get(unicode_str)
2544
"Invalid value %s for %s."
2545
"See help for a list of possible values." % (unicode_str,
2550
ret = [self._help, "\n\nThe following values are supported:\n"]
2551
for key in self.registry.keys():
2552
ret.append(" %s - %s\n" % (key, self.registry.get_help(key)))
2556
class OptionRegistry(registry.Registry):
2557
"""Register config options by their name.
2559
This overrides ``registry.Registry`` to simplify registration by acquiring
2560
some information from the option object itself.
2563
def register(self, option):
2564
"""Register a new option to its name.
2566
:param option: The option to register. Its name is used as the key.
2568
super(OptionRegistry, self).register(option.name, option,
2571
def register_lazy(self, key, module_name, member_name):
2572
"""Register a new option to be loaded on request.
2574
:param key: the key to request the option later. Since the registration
2575
is lazy, it should be provided and match the option name.
2577
:param module_name: the python path to the module. Such as 'os.path'.
2579
:param member_name: the member of the module to return. If empty or
2580
None, get() will return the module itself.
2582
super(OptionRegistry, self).register_lazy(key,
2583
module_name, member_name)
2585
def get_help(self, key=None):
2586
"""Get the help text associated with the given key"""
2587
option = self.get(key)
2588
the_help = option.help
2589
if callable(the_help):
2590
return the_help(self, key)
2594
option_registry = OptionRegistry()
2597
# Registered options in lexicographical order
2599
option_registry.register(
2600
Option('append_revisions_only',
2601
default=None, from_unicode=bool_from_store, invalid='warning',
2603
Whether to only append revisions to the mainline.
2605
If this is set to true, then it is not possible to change the
2606
existing mainline of the branch.
2608
option_registry.register(
2609
ListOption('acceptable_keys',
2612
List of GPG key patterns which are acceptable for verification.
2614
option_registry.register(
2615
Option('add.maximum_file_size',
2616
default=u'20MB', from_unicode=int_SI_from_store,
2618
Size above which files should be added manually.
2620
Files below this size are added automatically when using ``bzr add`` without
2623
A negative value means disable the size check.
2625
option_registry.register(
2627
default=None, from_unicode=bool_from_store,
2629
Is the branch bound to ``bound_location``.
2631
If set to "True", the branch should act as a checkout, and push each commit to
2632
the bound_location. This option is normally set by ``bind``/``unbind``.
2634
See also: bound_location.
2636
option_registry.register(
2637
Option('bound_location',
2640
The location that commits should go to when acting as a checkout.
2642
This option is normally set by ``bind``.
2646
option_registry.register(
2647
Option('branch.fetch_tags', default=False, from_unicode=bool_from_store,
2649
Whether revisions associated with tags should be fetched.
2651
option_registry.register_lazy(
2652
'bzr.transform.orphan_policy', 'bzrlib.transform', 'opt_transform_orphan')
2653
option_registry.register(
2654
Option('bzr.workingtree.worth_saving_limit', default=10,
2655
from_unicode=int_from_store, invalid='warning',
2657
How many changes before saving the dirstate.
2659
-1 means that we will never rewrite the dirstate file for only
2660
stat-cache changes. Regardless of this setting, we will always rewrite
2661
the dirstate file if a file is added/removed/renamed/etc. This flag only
2662
affects the behavior of updating the dirstate file after we notice that
2663
a file has been touched.
2665
option_registry.register(
2666
Option('bugtracker', default=None,
2668
Default bug tracker to use.
2670
This bug tracker will be used for example when marking bugs
2671
as fixed using ``bzr commit --fixes``, if no explicit
2672
bug tracker was specified.
2674
option_registry.register(
2675
Option('check_signatures', default=CHECK_IF_POSSIBLE,
2676
from_unicode=signature_policy_from_unicode,
2678
GPG checking policy.
2680
Possible values: require, ignore, check-available (default)
2682
this option will control whether bzr will require good gpg
2683
signatures, ignore them, or check them if they are
2686
option_registry.register(
2687
Option('child_submit_format',
2688
help='''The preferred format of submissions to this branch.'''))
2689
option_registry.register(
2690
Option('child_submit_to',
2691
help='''Where submissions to this branch are mailed to.'''))
2692
option_registry.register(
2693
Option('create_signatures', default=SIGN_WHEN_REQUIRED,
2694
from_unicode=signing_policy_from_unicode,
2698
Possible values: always, never, when-required (default)
2700
This option controls whether bzr will always create
2701
gpg signatures or not on commits.
2703
option_registry.register(
2704
Option('dirstate.fdatasync', default=True,
2705
from_unicode=bool_from_store,
2707
Flush dirstate changes onto physical disk?
2709
If true (default), working tree metadata changes are flushed through the
2710
OS buffers to physical disk. This is somewhat slower, but means data
2711
should not be lost if the machine crashes. See also repository.fdatasync.
2713
option_registry.register(
2714
ListOption('debug_flags', default=[],
2715
help='Debug flags to activate.'))
2716
option_registry.register(
2717
Option('default_format', default='2a',
2718
help='Format used when creating branches.'))
2719
option_registry.register(
2720
Option('dpush_strict', default=None,
2721
from_unicode=bool_from_store,
2723
The default value for ``dpush --strict``.
2725
If present, defines the ``--strict`` option default value for checking
2726
uncommitted changes before pushing into a different VCS without any
2727
custom bzr metadata.
2729
option_registry.register(
2731
help='The command called to launch an editor to enter a message.'))
2732
option_registry.register(
2733
Option('email', override_from_env=['BZR_EMAIL'], default=default_email,
2734
help='The users identity'))
2735
option_registry.register(
2736
Option('gpg_signing_command',
2739
Program to use use for creating signatures.
2741
This should support at least the -u and --clearsign options.
2743
option_registry.register(
2744
Option('gpg_signing_key',
2747
GPG key to use for signing.
2749
This defaults to the first key associated with the users email.
2751
option_registry.register(
2752
Option('ignore_missing_extensions', default=False,
2753
from_unicode=bool_from_store,
2755
Control the missing extensions warning display.
2757
The warning will not be emitted if set to True.
2759
option_registry.register(
2761
help='Language to translate messages into.'))
2762
option_registry.register(
2763
Option('locks.steal_dead', default=False, from_unicode=bool_from_store,
2765
Steal locks that appears to be dead.
2767
If set to True, bzr will check if a lock is supposed to be held by an
2768
active process from the same user on the same machine. If the user and
2769
machine match, but no process with the given PID is active, then bzr
2770
will automatically break the stale lock, and create a new lock for
2772
Otherwise, bzr will prompt as normal to break the lock.
2774
option_registry.register(
2775
Option('log_format', default='long',
2777
Log format to use when displaying revisions.
2779
Standard log formats are ``long``, ``short`` and ``line``. Additional formats
2780
may be provided by plugins.
2782
option_registry.register_lazy('mail_client', 'bzrlib.mail_client',
2784
option_registry.register(
2785
Option('output_encoding',
2786
help= 'Unicode encoding for output'
2787
' (terminal encoding if not specified).'))
2788
option_registry.register(
2789
Option('parent_location',
2792
The location of the default branch for pull or merge.
2794
This option is normally set when creating a branch, the first ``pull`` or by
2795
``pull --remember``.
2797
option_registry.register(
2798
Option('post_commit', default=None,
2800
Post commit functions.
2802
An ordered list of python functions to call, separated by spaces.
2804
Each function takes branch, rev_id as parameters.
2806
option_registry.register_lazy('progress_bar', 'bzrlib.ui.text',
2808
option_registry.register(
2809
Option('public_branch',
2812
A publically-accessible version of this branch.
2814
This implies that the branch setting this option is not publically-accessible.
2815
Used and set by ``bzr send``.
2817
option_registry.register(
2818
Option('push_location',
2821
The location of the default branch for push.
2823
This option is normally set by the first ``push`` or ``push --remember``.
2825
option_registry.register(
2826
Option('push_strict', default=None,
2827
from_unicode=bool_from_store,
2829
The default value for ``push --strict``.
2831
If present, defines the ``--strict`` option default value for checking
2832
uncommitted changes before sending a merge directive.
2834
option_registry.register(
2835
Option('repository.fdatasync', default=True,
2836
from_unicode=bool_from_store,
2838
Flush repository changes onto physical disk?
2840
If true (default), repository changes are flushed through the OS buffers
2841
to physical disk. This is somewhat slower, but means data should not be
2842
lost if the machine crashes. See also dirstate.fdatasync.
2844
option_registry.register_lazy('smtp_server',
2845
'bzrlib.smtp_connection', 'smtp_server')
2846
option_registry.register_lazy('smtp_password',
2847
'bzrlib.smtp_connection', 'smtp_password')
2848
option_registry.register_lazy('smtp_username',
2849
'bzrlib.smtp_connection', 'smtp_username')
2850
option_registry.register(
2851
Option('selftest.timeout',
2853
from_unicode=int_from_store,
2854
help='Abort selftest if one test takes longer than this many seconds',
2857
option_registry.register(
2858
Option('send_strict', default=None,
2859
from_unicode=bool_from_store,
2861
The default value for ``send --strict``.
2863
If present, defines the ``--strict`` option default value for checking
2864
uncommitted changes before sending a bundle.
2867
option_registry.register(
2868
Option('serve.client_timeout',
2869
default=300.0, from_unicode=float_from_store,
2870
help="If we wait for a new request from a client for more than"
2871
" X seconds, consider the client idle, and hangup."))
2872
option_registry.register(
2873
Option('stacked_on_location',
2875
help="""The location where this branch is stacked on."""))
2876
option_registry.register(
2877
Option('submit_branch',
2880
The branch you intend to submit your current work to.
2882
This is automatically set by ``bzr send`` and ``bzr merge``, and is also used
2883
by the ``submit:`` revision spec.
2885
option_registry.register(
2887
help='''Where submissions from this branch are mailed to.'''))
2888
option_registry.register(
2889
ListOption('suppress_warnings',
2891
help="List of warning classes to suppress."))
2892
option_registry.register(
2893
Option('validate_signatures_in_log', default=False,
2894
from_unicode=bool_from_store, invalid='warning',
2895
help='''Whether to validate signatures in bzr log.'''))
2896
option_registry.register_lazy('ssl.ca_certs',
2897
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_ca_certs')
2899
option_registry.register_lazy('ssl.cert_reqs',
2900
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_cert_reqs')
2286
2903
class Section(object):
2438
3201
co_input = StringIO(bytes)
2440
3203
# The config files are always stored utf8-encoded
2441
self._config_obj = ConfigObj(co_input, encoding='utf-8')
3204
self._config_obj = ConfigObj(co_input, encoding='utf-8',
2442
3206
except configobj.ConfigObjError, e:
2443
3207
self._config_obj = None
2444
3208
raise errors.ParseConfigError(e.errors, self.external_url())
2445
3209
except UnicodeDecodeError:
2446
3210
raise errors.ConfigContentError(self.external_url())
3212
def save_changes(self):
3213
if not self.is_loaded():
3216
if not self._need_saving():
3218
# Preserve the current version
3219
dirty_sections = dict(self.dirty_sections.items())
3220
self.apply_changes(dirty_sections)
3221
# Save to the persistent storage
2448
3224
def save(self):
2449
3225
if not self.is_loaded():
2450
3226
# Nothing to save
2452
3228
out = StringIO()
2453
3229
self._config_obj.write(out)
2454
self.transport.put_bytes(self.file_name, out.getvalue())
3230
self._save_content(out.getvalue())
2455
3231
for hook in ConfigHooks['save']:
2458
def external_url(self):
2459
# FIXME: external_url should really accepts an optional relpath
2460
# parameter (bug #750169) :-/ -- vila 2011-04-04
2461
# The following will do in the interim but maybe we don't want to
2462
# expose a path here but rather a config ID and its associated
2463
# object </hand wawe>.
2464
return urlutils.join(self.transport.external_url(), self.file_name)
2466
3234
def get_sections(self):
2467
3235
"""Get the configobj section in the file order.
2469
:returns: An iterable of (name, dict).
3237
:returns: An iterable of (store, section).
2471
3239
# We need a loaded store
2474
except errors.NoSuchFile:
2475
# If the file doesn't exist, there is no sections
3242
except (errors.NoSuchFile, errors.PermissionDenied):
3243
# If the file can't be read, there is no sections
2477
3245
cobj = self._config_obj
2478
3246
if cobj.scalars:
2479
yield self.readonly_section_class(None, cobj)
3247
yield self, self.readonly_section_class(None, cobj)
2480
3248
for section_name in cobj.sections:
2481
yield self.readonly_section_class(section_name, cobj[section_name])
3250
self.readonly_section_class(section_name,
3251
cobj[section_name]))
2483
def get_mutable_section(self, section_name=None):
3253
def get_mutable_section(self, section_id=None):
2484
3254
# We need a loaded store
2487
3257
except errors.NoSuchFile:
2488
3258
# The file doesn't exist, let's pretend it was empty
2489
3259
self._load_from_string('')
2490
if section_name is None:
3260
if section_id in self.dirty_sections:
3261
# We already created a mutable section for this id
3262
return self.dirty_sections[section_id]
3263
if section_id is None:
2491
3264
section = self._config_obj
2493
section = self._config_obj.setdefault(section_name, {})
2494
return self.mutable_section_class(section_name, section)
3266
section = self._config_obj.setdefault(section_id, {})
3267
mutable_section = self.mutable_section_class(section_id, section)
3268
# All mutable sections can become dirty
3269
self.dirty_sections[section_id] = mutable_section
3270
return mutable_section
3272
def quote(self, value):
3274
# configobj conflates automagical list values and quoting
3275
self._config_obj.list_values = True
3276
return self._config_obj._quote(value)
3278
self._config_obj.list_values = False
3280
def unquote(self, value):
3281
if value and isinstance(value, basestring):
3282
# _unquote doesn't handle None nor empty strings nor anything that
3283
# is not a string, really.
3284
value = self._config_obj._unquote(value)
3287
def external_url(self):
3288
# Since an IniFileStore can be used without a file (at least in tests),
3289
# it's better to provide something than raising a NotImplementedError.
3290
# All daughter classes are supposed to provide an implementation
3292
return 'In-Process Store, no URL'
3295
class TransportIniFileStore(IniFileStore):
3296
"""IniFileStore that loads files from a transport.
3298
:ivar transport: The transport object where the config file is located.
3300
:ivar file_name: The config file basename in the transport directory.
3303
def __init__(self, transport, file_name):
3304
"""A Store using a ini file on a Transport
3306
:param transport: The transport object where the config file is located.
3307
:param file_name: The config file basename in the transport directory.
3309
super(TransportIniFileStore, self).__init__()
3310
self.transport = transport
3311
self.file_name = file_name
3313
def _load_content(self):
3315
return self.transport.get_bytes(self.file_name)
3316
except errors.PermissionDenied:
3317
trace.warning("Permission denied while trying to load "
3318
"configuration store %s.", self.external_url())
3321
def _save_content(self, content):
3322
self.transport.put_bytes(self.file_name, content)
3324
def external_url(self):
3325
# FIXME: external_url should really accepts an optional relpath
3326
# parameter (bug #750169) :-/ -- vila 2011-04-04
3327
# The following will do in the interim but maybe we don't want to
3328
# expose a path here but rather a config ID and its associated
3329
# object </hand wawe>.
3330
return urlutils.join(self.transport.external_url(), self.file_name)
2497
3333
# Note that LockableConfigObjStore inherits from ConfigObjStore because we need
2604
3450
sections = self.store.get_sections()
2605
3451
# Walk the revisions in the order provided
3452
for store, s in sections:
2607
3453
if self.match(s):
2610
def match(self, secion):
3456
def match(self, section):
3457
"""Does the proposed section match.
3459
:param section: A Section object.
3461
:returns: True if the section matches, False otherwise.
2611
3463
raise NotImplementedError(self.match)
3466
class NameMatcher(SectionMatcher):
3468
def __init__(self, store, section_id):
3469
super(NameMatcher, self).__init__(store)
3470
self.section_id = section_id
3472
def match(self, section):
3473
return section.id == self.section_id
2614
3476
class LocationSection(Section):
2616
def __init__(self, section, length, extra_path):
3478
def __init__(self, section, extra_path, branch_name=None):
2617
3479
super(LocationSection, self).__init__(section.id, section.options)
2618
self.length = length
2619
3480
self.extra_path = extra_path
3481
if branch_name is None:
3483
self.locals = {'relpath': extra_path,
3484
'basename': urlutils.basename(extra_path),
3485
'branchname': branch_name}
2621
def get(self, name, default=None):
3487
def get(self, name, default=None, expand=True):
2622
3488
value = super(LocationSection, self).get(name, default)
2623
if value is not None:
3489
if value is not None and expand:
2624
3490
policy_name = self.get(name + ':policy', None)
2625
3491
policy = _policy_value.get(policy_name, POLICY_NONE)
2626
3492
if policy == POLICY_APPENDPATH:
2627
3493
value = urlutils.join(value, self.extra_path)
3494
# expand section local options right now (since POLICY_APPENDPATH
3495
# will never add options references, it's ok to expand after it).
3497
for is_ref, chunk in iter_option_refs(value):
3499
chunks.append(chunk)
3502
if ref in self.locals:
3503
chunks.append(self.locals[ref])
3505
chunks.append(chunk)
3506
value = ''.join(chunks)
3510
class StartingPathMatcher(SectionMatcher):
3511
"""Select sections for a given location respecting the Store order."""
3513
# FIXME: Both local paths and urls can be used for section names as well as
3514
# ``location`` to stay consistent with ``LocationMatcher`` which itself
3515
# inherited the fuzziness from the previous ``LocationConfig``
3516
# implementation. We probably need to revisit which encoding is allowed for
3517
# both ``location`` and section names and how we normalize
3518
# them. http://pad.lv/85479, http://pad.lv/437009 and http://359320 are
3519
# related too. -- vila 2012-01-04
3521
def __init__(self, store, location):
3522
super(StartingPathMatcher, self).__init__(store)
3523
if location.startswith('file://'):
3524
location = urlutils.local_path_from_url(location)
3525
self.location = location
3527
def get_sections(self):
3528
"""Get all sections matching ``location`` in the store.
3530
The most generic sections are described first in the store, then more
3531
specific ones can be provided for reduced scopes.
3533
The returned section are therefore returned in the reversed order so
3534
the most specific ones can be found first.
3536
location_parts = self.location.rstrip('/').split('/')
3539
# Later sections are more specific, they should be returned first
3540
for _, section in reversed(list(store.get_sections())):
3541
if section.id is None:
3542
# The no-name section is always included if present
3543
yield store, LocationSection(section, self.location)
3545
section_path = section.id
3546
if section_path.startswith('file://'):
3547
# the location is already a local path or URL, convert the
3548
# section id to the same format
3549
section_path = urlutils.local_path_from_url(section_path)
3550
if (self.location.startswith(section_path)
3551
or fnmatch.fnmatch(self.location, section_path)):
3552
section_parts = section_path.rstrip('/').split('/')
3553
extra_path = '/'.join(location_parts[len(section_parts):])
3554
yield store, LocationSection(section, extra_path)
2631
3557
class LocationMatcher(SectionMatcher):
2633
3559
def __init__(self, store, location):
2634
3560
super(LocationMatcher, self).__init__(store)
3561
url, params = urlutils.split_segment_parameters(location)
2635
3562
if location.startswith('file://'):
2636
3563
location = urlutils.local_path_from_url(location)
2637
3564
self.location = location
3565
branch_name = params.get('branch')
3566
if branch_name is None:
3567
self.branch_name = urlutils.basename(self.location)
3569
self.branch_name = urlutils.unescape(branch_name)
2639
3571
def _get_matching_sections(self):
2640
3572
"""Get all sections matching ``location``."""
2641
3573
# We slightly diverge from LocalConfig here by allowing the no-name
2642
3574
# section as the most generic one and the lower priority.
2643
3575
no_name_section = None
2645
3577
# Filter out the no_name_section so _iter_for_location_by_parts can be
2646
3578
# used (it assumes all sections have a name).
2647
for section in self.store.get_sections():
3579
for _, section in self.store.get_sections():
2648
3580
if section.id is None:
2649
3581
no_name_section = section
2651
sections.append(section)
3583
all_sections.append(section)
2652
3584
# Unfortunately _iter_for_location_by_parts deals with section names so
2653
3585
# we have to resync.
2654
3586
filtered_sections = _iter_for_location_by_parts(
2655
[s.id for s in sections], self.location)
2656
iter_sections = iter(sections)
3587
[s.id for s in all_sections], self.location)
3588
iter_all_sections = iter(all_sections)
2657
3589
matching_sections = []
2658
3590
if no_name_section is not None:
2659
3591
matching_sections.append(
2660
LocationSection(no_name_section, 0, self.location))
3592
(0, LocationSection(no_name_section, self.location)))
2661
3593
for section_id, extra_path, length in filtered_sections:
2662
# a section id is unique for a given store so it's safe to iterate
2664
section = iter_sections.next()
2665
if section_id == section.id:
2666
matching_sections.append(
2667
LocationSection(section, length, extra_path))
3594
# a section id is unique for a given store so it's safe to take the
3595
# first matching section while iterating. Also, all filtered
3596
# sections are part of 'all_sections' and will always be found
3599
section = iter_all_sections.next()
3600
if section_id == section.id:
3601
section = LocationSection(section, extra_path,
3603
matching_sections.append((length, section))
2668
3605
return matching_sections
2670
3607
def get_sections(self):
2715
3683
option exists or get its value, which in turn may require to discover
2716
3684
in which sections it can be defined. Both of these (section and option
2717
3685
existence) require loading the store (even partially).
3687
:param name: The queried option.
3689
:param expand: Whether options references should be expanded.
3691
:param convert: Whether the option value should be converted from
3692
unicode (do nothing for non-registered options).
3694
:returns: The value of the option.
2719
3696
# FIXME: No caching of options nor sections yet -- vila 20110503
2721
# Ensuring lazy loading is achieved by delaying section matching (which
2722
# implies querying the persistent storage) until it can't be avoided
2723
# anymore by using callables to describe (possibly empty) section
2725
for section_or_callable in self.sections_def:
2726
# Each section can expand to multiple ones when a callable is used
2727
if callable(section_or_callable):
2728
sections = section_or_callable()
2730
sections = [section_or_callable]
2731
for section in sections:
3698
found_store = None # Where the option value has been found
3699
# If the option is registered, it may provide additional info about
3702
opt = option_registry.get(name)
3707
def expand_and_convert(val):
3708
# This may need to be called in different contexts if the value is
3709
# None or ends up being None during expansion or conversion.
3712
if isinstance(val, basestring):
3713
val = self._expand_options_in_string(val)
3715
trace.warning('Cannot expand "%s":'
3716
' %s does not support option expansion'
3717
% (name, type(val)))
3719
val = found_store.unquote(val)
3721
val = opt.convert_from_unicode(found_store, val)
3724
# First of all, check if the environment can override the configuration
3726
if opt is not None and opt.override_from_env:
3727
value = opt.get_override()
3728
value = expand_and_convert(value)
3730
for store, section in self.iter_sections():
2732
3731
value = section.get(name)
2733
3732
if value is not None:
2735
if value is not None:
2738
# If the option is registered, it may provide a default value
2740
opt = option_registry.get(name)
3735
value = expand_and_convert(value)
3736
if opt is not None and value is None:
3737
# If the option is registered, it may provide a default value
2745
3738
value = opt.get_default()
3739
value = expand_and_convert(value)
2746
3740
for hook in ConfigHooks['get']:
2747
3741
hook(self, name, value)
3744
def expand_options(self, string, env=None):
3745
"""Expand option references in the string in the configuration context.
3747
:param string: The string containing option(s) to expand.
3749
:param env: An option dict defining additional configuration options or
3750
overriding existing ones.
3752
:returns: The expanded string.
3754
return self._expand_options_in_string(string, env)
3756
def _expand_options_in_string(self, string, env=None, _refs=None):
3757
"""Expand options in the string in the configuration context.
3759
:param string: The string to be expanded.
3761
:param env: An option dict defining additional configuration options or
3762
overriding existing ones.
3764
:param _refs: Private list (FIFO) containing the options being expanded
3767
:returns: The expanded string.
3770
# Not much to expand there
3773
# What references are currently resolved (to detect loops)
3776
# We need to iterate until no more refs appear ({{foo}} will need two
3777
# iterations for example).
3782
for is_ref, chunk in iter_option_refs(result):
3784
chunks.append(chunk)
3789
raise errors.OptionExpansionLoop(string, _refs)
3791
value = self._expand_option(name, env, _refs)
3793
raise errors.ExpandingUnknownOption(name, string)
3794
chunks.append(value)
3796
result = ''.join(chunks)
3799
def _expand_option(self, name, env, _refs):
3800
if env is not None and name in env:
3801
# Special case, values provided in env takes precedence over
3805
value = self.get(name, expand=False, convert=False)
3806
value = self._expand_options_in_string(value, env, _refs)
2750
3809
def _get_mutable_section(self):
2751
3810
"""Get the MutableSection for the Stack.
2753
3812
This is where we guarantee that the mutable section is lazily loaded:
2754
3813
this means we won't load the corresponding store before setting a value
2755
3814
or deleting an option. In practice the store will often be loaded but
2756
this allows helps catching some programming errors.
3815
this helps catching some programming errors.
2758
section = self.store.get_mutable_section(self.mutable_section_name)
3818
section = store.get_mutable_section(self.mutable_section_id)
3819
return store, section
2761
3821
def set(self, name, value):
2762
3822
"""Set a new value for the option."""
2763
section = self._get_mutable_section()
2764
section.set(name, value)
3823
store, section = self._get_mutable_section()
3824
section.set(name, store.quote(value))
2765
3825
for hook in ConfigHooks['set']:
2766
3826
hook(self, name, value)
2768
3828
def remove(self, name):
2769
3829
"""Remove an existing option."""
2770
section = self._get_mutable_section()
3830
_, section = self._get_mutable_section()
2771
3831
section.remove(name)
2772
3832
for hook in ConfigHooks['remove']:
2773
3833
hook(self, name)
2800
3925
# Force a write to persistent storage
2801
3926
self.store.save()
2804
class GlobalStack(_CompatibleStack):
3928
def remove(self, name):
3931
super(_CompatibleStack, self).remove(name)
3932
# Force a write to persistent storage
3936
class GlobalStack(Stack):
3937
"""Global options only stack.
3939
The following sections are queried:
3941
* command-line overrides,
3943
* the 'DEFAULT' section in bazaar.conf
3945
This stack will use the ``DEFAULT`` section in bazaar.conf as its
2806
3949
def __init__(self):
2808
gstore = GlobalStore()
2809
super(GlobalStack, self).__init__([gstore.get_sections], gstore)
2812
class LocationStack(_CompatibleStack):
3950
gstore = self.get_shared_store(GlobalStore())
3951
super(GlobalStack, self).__init__(
3952
[self._get_overrides,
3953
NameMatcher(gstore, 'DEFAULT').get_sections],
3954
gstore, mutable_section_id='DEFAULT')
3957
class LocationStack(Stack):
3958
"""Per-location options falling back to global options stack.
3961
The following sections are queried:
3963
* command-line overrides,
3965
* the sections matching ``location`` in ``locations.conf``, the order being
3966
defined by the number of path components in the section glob, higher
3967
numbers first (from most specific section to most generic).
3969
* the 'DEFAULT' section in bazaar.conf
3971
This stack will use the ``location`` section in locations.conf as its
2814
3975
def __init__(self, location):
2815
lstore = LocationStore()
2816
matcher = LocationMatcher(lstore, location)
2817
gstore = GlobalStore()
3976
"""Make a new stack for a location and global configuration.
3978
:param location: A URL prefix to """
3979
lstore = self.get_shared_store(LocationStore())
3980
if location.startswith('file://'):
3981
location = urlutils.local_path_from_url(location)
3982
gstore = self.get_shared_store(GlobalStore())
2818
3983
super(LocationStack, self).__init__(
2819
[matcher.get_sections, gstore.get_sections], lstore)
2821
class BranchStack(_CompatibleStack):
3984
[self._get_overrides,
3985
LocationMatcher(lstore, location).get_sections,
3986
NameMatcher(gstore, 'DEFAULT').get_sections],
3987
lstore, mutable_section_id=location)
3990
class BranchStack(Stack):
3991
"""Per-location options falling back to branch then global options stack.
3993
The following sections are queried:
3995
* command-line overrides,
3997
* the sections matching ``location`` in ``locations.conf``, the order being
3998
defined by the number of path components in the section glob, higher
3999
numbers first (from most specific section to most generic),
4001
* the no-name section in branch.conf,
4003
* the ``DEFAULT`` section in ``bazaar.conf``.
4005
This stack will use the no-name section in ``branch.conf`` as its
2823
4009
def __init__(self, branch):
2824
bstore = BranchStore(branch)
2825
lstore = LocationStore()
2826
matcher = LocationMatcher(lstore, branch.base)
2827
gstore = GlobalStore()
4010
lstore = self.get_shared_store(LocationStore())
4011
bstore = branch._get_config_store()
4012
gstore = self.get_shared_store(GlobalStore())
2828
4013
super(BranchStack, self).__init__(
2829
[matcher.get_sections, bstore.get_sections, gstore.get_sections],
2831
self.branch = branch
4014
[self._get_overrides,
4015
LocationMatcher(lstore, branch.base).get_sections,
4016
NameMatcher(bstore, None).get_sections,
4017
NameMatcher(gstore, 'DEFAULT').get_sections],
4019
self.branch = branch
4021
def lock_write(self, token=None):
4022
return self.branch.lock_write(token)
4025
return self.branch.unlock()
4028
def set(self, name, value):
4029
super(BranchStack, self).set(name, value)
4030
# Unlocking the branch will trigger a store.save_changes() so the last
4031
# unlock saves all the changes.
4034
def remove(self, name):
4035
super(BranchStack, self).remove(name)
4036
# Unlocking the branch will trigger a store.save_changes() so the last
4037
# unlock saves all the changes.
4040
class RemoteControlStack(Stack):
4041
"""Remote control-only options stack."""
4043
# FIXME 2011-11-22 JRV This should probably be renamed to avoid confusion
4044
# with the stack used for remote bzr dirs. RemoteControlStack only uses
4045
# control.conf and is used only for stack options.
4047
def __init__(self, bzrdir):
4048
cstore = bzrdir._get_config_store()
4049
super(RemoteControlStack, self).__init__(
4050
[NameMatcher(cstore, None).get_sections],
4052
self.bzrdir = bzrdir
4055
class BranchOnlyStack(Stack):
4056
"""Branch-only options stack."""
4058
# FIXME: _BranchOnlyStack only uses branch.conf and is used only for the
4059
# stacked_on_location options waiting for http://pad.lv/832042 to be fixed.
4060
# -- vila 2011-12-16
4062
def __init__(self, branch):
4063
bstore = branch._get_config_store()
4064
super(BranchOnlyStack, self).__init__(
4065
[NameMatcher(bstore, None).get_sections],
4067
self.branch = branch
4069
def lock_write(self, token=None):
4070
return self.branch.lock_write(token)
4073
return self.branch.unlock()
4076
def set(self, name, value):
4077
super(BranchOnlyStack, self).set(name, value)
4078
# Force a write to persistent storage
4079
self.store.save_changes()
4082
def remove(self, name):
4083
super(BranchOnlyStack, self).remove(name)
4084
# Force a write to persistent storage
4085
self.store.save_changes()
2834
4088
class cmd_config(commands.Command):
2835
4089
__doc__ = """Display, set or remove a configuration option.
2837
Display the active value for a given option.
4091
Display the active value for option NAME.
2839
4093
If --all is specified, NAME is interpreted as a regular expression and all
2840
matching options are displayed mentioning their scope. The active value
2841
that bzr will take into account is the first one displayed for each option.
2843
If no NAME is given, --all .* is implied.
2845
Setting a value is achieved by using name=value without spaces. The value
4094
matching options are displayed mentioning their scope and without resolving
4095
option references in the value). The active value that bzr will take into
4096
account is the first one displayed for each option.
4098
If NAME is not given, --all .* is implied (all options are displayed for the
4101
Setting a value is achieved by using NAME=value without spaces. The value
2846
4102
is set in the most relevant scope and can be checked by displaying the
4105
Removing a value is achieved by using --remove NAME.
2850
4108
takes_args = ['name?']