2262
2286
The option *values* are stored in config files and found in sections.
2264
2288
Here we define various properties about the option itself, its default
2265
value, in which config files it can be stored, etc (TBC).
2289
value, how to convert it from stores, what to do when invalid values are
2290
encoutered, in which config files it can be stored.
2268
def __init__(self, name, default=None):
2293
def __init__(self, name, override_from_env=None,
2294
default=None, default_from_env=None,
2295
help=None, from_unicode=None, invalid=None, unquote=True):
2296
"""Build an option definition.
2298
:param name: the name used to refer to the option.
2300
:param override_from_env: A list of environment variables which can
2301
provide override any configuration setting.
2303
:param default: the default value to use when none exist in the config
2304
stores. This is either a string that ``from_unicode`` will convert
2305
into the proper type, a callable returning a unicode string so that
2306
``from_unicode`` can be used on the return value, or a python
2307
object that can be stringified (so only the empty list is supported
2310
:param default_from_env: A list of environment variables which can
2311
provide a default value. 'default' will be used only if none of the
2312
variables specified here are set in the environment.
2314
:param help: a doc string to explain the option to the user.
2316
:param from_unicode: a callable to convert the unicode string
2317
representing the option value in a store or its default value.
2319
:param invalid: the action to be taken when an invalid value is
2320
encountered in a store. This is called only when from_unicode is
2321
invoked to convert a string and returns None or raise ValueError or
2322
TypeError. Accepted values are: None (ignore invalid values),
2323
'warning' (emit a warning), 'error' (emit an error message and
2326
:param unquote: should the unicode value be unquoted before conversion.
2327
This should be used only when the store providing the values cannot
2328
safely unquote them (see http://pad.lv/906897). It is provided so
2329
daughter classes can handle the quoting themselves.
2331
if override_from_env is None:
2332
override_from_env = []
2333
if default_from_env is None:
2334
default_from_env = []
2269
2335
self.name = name
2270
self.default = default
2336
self.override_from_env = override_from_env
2337
# Convert the default value to a unicode string so all values are
2338
# strings internally before conversion (via from_unicode) is attempted.
2341
elif isinstance(default, list):
2342
# Only the empty list is supported
2344
raise AssertionError(
2345
'Only empty lists are supported as default values')
2347
elif isinstance(default, (str, unicode, bool, int, float)):
2348
# Rely on python to convert strings, booleans and integers
2349
self.default = u'%s' % (default,)
2350
elif callable(default):
2351
self.default = default
2353
# other python objects are not expected
2354
raise AssertionError('%r is not supported as a default value'
2356
self.default_from_env = default_from_env
2358
self.from_unicode = from_unicode
2359
self.unquote = unquote
2360
if invalid and invalid not in ('warning', 'error'):
2361
raise AssertionError("%s not supported for 'invalid'" % (invalid,))
2362
self.invalid = invalid
2368
def convert_from_unicode(self, store, unicode_value):
2369
if self.unquote and store is not None and unicode_value is not None:
2370
unicode_value = store.unquote(unicode_value)
2371
if self.from_unicode is None or unicode_value is None:
2372
# Don't convert or nothing to convert
2373
return unicode_value
2375
converted = self.from_unicode(unicode_value)
2376
except (ValueError, TypeError):
2377
# Invalid values are ignored
2379
if converted is None and self.invalid is not None:
2380
# The conversion failed
2381
if self.invalid == 'warning':
2382
trace.warning('Value "%s" is not valid for "%s"',
2383
unicode_value, self.name)
2384
elif self.invalid == 'error':
2385
raise errors.ConfigOptionValueError(self.name, unicode_value)
2388
def get_override(self):
2390
for var in self.override_from_env:
2392
# If the env variable is defined, its value takes precedence
2393
value = os.environ[var].decode(osutils.get_user_encoding())
2272
2399
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.')
2401
for var in self.default_from_env:
2403
# If the env variable is defined, its value is the default one
2404
value = os.environ[var].decode(osutils.get_user_encoding())
2409
# Otherwise, fallback to the value defined at registration
2410
if callable(self.default):
2411
value = self.default()
2412
if not isinstance(value, unicode):
2413
raise AssertionError(
2414
"Callable default value for '%s' should be unicode"
2417
value = self.default
2420
def get_help_topic(self):
2423
def get_help_text(self, additional_see_also=None, plain=True):
2425
from bzrlib import help_topics
2426
result += help_topics._format_see_also(additional_see_also)
2428
result = help_topics.help_as_plain_text(result)
2432
# Predefined converters to get proper values from store
2434
def bool_from_store(unicode_str):
2435
return ui.bool_from_string(unicode_str)
2438
def int_from_store(unicode_str):
2439
return int(unicode_str)
2442
_unit_suffixes = dict(K=10**3, M=10**6, G=10**9)
2444
def int_SI_from_store(unicode_str):
2445
"""Convert a human readable size in SI units, e.g 10MB into an integer.
2447
Accepted suffixes are K,M,G. It is case-insensitive and may be followed
2448
by a trailing b (i.e. Kb, MB). This is intended to be practical and not
2451
:return Integer, expanded to its base-10 value if a proper SI unit is
2452
found, None otherwise.
2454
regexp = "^(\d+)(([" + ''.join(_unit_suffixes) + "])b?)?$"
2455
p = re.compile(regexp, re.IGNORECASE)
2456
m = p.match(unicode_str)
2459
val, _, unit = m.groups()
2463
coeff = _unit_suffixes[unit.upper()]
2465
raise ValueError(gettext('{0} is not an SI unit.').format(unit))
2470
def float_from_store(unicode_str):
2471
return float(unicode_str)
2474
# Use an empty dict to initialize an empty configobj avoiding all parsing and
2476
_list_converter_config = configobj.ConfigObj(
2477
{}, encoding='utf-8', list_values=True, interpolation=False)
2480
class ListOption(Option):
2482
def __init__(self, name, default=None, default_from_env=None,
2483
help=None, invalid=None):
2484
"""A list Option definition.
2486
This overrides the base class so the conversion from a unicode string
2487
can take quoting into account.
2489
super(ListOption, self).__init__(
2490
name, default=default, default_from_env=default_from_env,
2491
from_unicode=self.from_unicode, help=help,
2492
invalid=invalid, unquote=False)
2494
def from_unicode(self, unicode_str):
2495
if not isinstance(unicode_str, basestring):
2497
# Now inject our string directly as unicode. All callers got their
2498
# value from configobj, so values that need to be quoted are already
2500
_list_converter_config.reset()
2501
_list_converter_config._parse([u"list=%s" % (unicode_str,)])
2502
maybe_list = _list_converter_config['list']
2503
if isinstance(maybe_list, basestring):
2505
# A single value, most probably the user forgot (or didn't care
2506
# to add) the final ','
2509
# The empty string, convert to empty list
2512
# We rely on ConfigObj providing us with a list already
2517
class RegistryOption(Option):
2518
"""Option for a choice from a registry."""
2520
def __init__(self, name, registry, default_from_env=None,
2521
help=None, invalid=None):
2522
"""A registry based Option definition.
2524
This overrides the base class so the conversion from a unicode string
2525
can take quoting into account.
2527
super(RegistryOption, self).__init__(
2528
name, default=lambda: unicode(registry.default_key),
2529
default_from_env=default_from_env,
2530
from_unicode=self.from_unicode, help=help,
2531
invalid=invalid, unquote=False)
2532
self.registry = registry
2534
def from_unicode(self, unicode_str):
2535
if not isinstance(unicode_str, basestring):
2538
return self.registry.get(unicode_str)
2541
"Invalid value %s for %s."
2542
"See help for a list of possible values." % (unicode_str,
2547
ret = [self._help, "\n\nThe following values are supported:\n"]
2548
for key in self.registry.keys():
2549
ret.append(" %s - %s\n" % (key, self.registry.get_help(key)))
2553
_option_ref_re = lazy_regex.lazy_compile('({[^\d\W](?:\.\w|\w)*})')
2554
"""Describes an expandable option reference.
2556
We want to match the most embedded reference first.
2558
I.e. for '{{foo}}' we will get '{foo}',
2559
for '{bar{baz}}' we will get '{baz}'
2562
def iter_option_refs(string):
2563
# Split isolate refs so every other chunk is a ref
2565
for chunk in _option_ref_re.split(string):
2570
class OptionRegistry(registry.Registry):
2571
"""Register config options by their name.
2573
This overrides ``registry.Registry`` to simplify registration by acquiring
2574
some information from the option object itself.
2577
def _check_option_name(self, option_name):
2578
"""Ensures an option name is valid.
2580
:param option_name: The name to validate.
2582
if _option_ref_re.match('{%s}' % option_name) is None:
2583
raise errors.IllegalOptionName(option_name)
2585
def register(self, option):
2586
"""Register a new option to its name.
2588
:param option: The option to register. Its name is used as the key.
2590
self._check_option_name(option.name)
2591
super(OptionRegistry, self).register(option.name, option,
2594
def register_lazy(self, key, module_name, member_name):
2595
"""Register a new option to be loaded on request.
2597
:param key: the key to request the option later. Since the registration
2598
is lazy, it should be provided and match the option name.
2600
:param module_name: the python path to the module. Such as 'os.path'.
2602
:param member_name: the member of the module to return. If empty or
2603
None, get() will return the module itself.
2605
self._check_option_name(key)
2606
super(OptionRegistry, self).register_lazy(key,
2607
module_name, member_name)
2609
def get_help(self, key=None):
2610
"""Get the help text associated with the given key"""
2611
option = self.get(key)
2612
the_help = option.help
2613
if callable(the_help):
2614
return the_help(self, key)
2618
option_registry = OptionRegistry()
2621
# Registered options in lexicographical order
2623
option_registry.register(
2624
Option('append_revisions_only',
2625
default=None, from_unicode=bool_from_store, invalid='warning',
2627
Whether to only append revisions to the mainline.
2629
If this is set to true, then it is not possible to change the
2630
existing mainline of the branch.
2632
option_registry.register(
2633
ListOption('acceptable_keys',
2636
List of GPG key patterns which are acceptable for verification.
2638
option_registry.register(
2639
Option('add.maximum_file_size',
2640
default=u'20MB', from_unicode=int_SI_from_store,
2642
Size above which files should be added manually.
2644
Files below this size are added automatically when using ``bzr add`` without
2647
A negative value means disable the size check.
2649
option_registry.register(
2651
default=None, from_unicode=bool_from_store,
2653
Is the branch bound to ``bound_location``.
2655
If set to "True", the branch should act as a checkout, and push each commit to
2656
the bound_location. This option is normally set by ``bind``/``unbind``.
2658
See also: bound_location.
2660
option_registry.register(
2661
Option('bound_location',
2664
The location that commits should go to when acting as a checkout.
2666
This option is normally set by ``bind``.
2670
option_registry.register(
2671
Option('branch.fetch_tags', default=False, from_unicode=bool_from_store,
2673
Whether revisions associated with tags should be fetched.
2675
option_registry.register_lazy(
2676
'bzr.transform.orphan_policy', 'bzrlib.transform', 'opt_transform_orphan')
2677
option_registry.register(
2678
Option('bzr.workingtree.worth_saving_limit', default=10,
2679
from_unicode=int_from_store, invalid='warning',
2681
How many changes before saving the dirstate.
2683
-1 means that we will never rewrite the dirstate file for only
2684
stat-cache changes. Regardless of this setting, we will always rewrite
2685
the dirstate file if a file is added/removed/renamed/etc. This flag only
2686
affects the behavior of updating the dirstate file after we notice that
2687
a file has been touched.
2689
option_registry.register(
2690
Option('bugtracker', default=None,
2692
Default bug tracker to use.
2694
This bug tracker will be used for example when marking bugs
2695
as fixed using ``bzr commit --fixes``, if no explicit
2696
bug tracker was specified.
2698
option_registry.register(
2699
Option('check_signatures', default=CHECK_IF_POSSIBLE,
2700
from_unicode=signature_policy_from_unicode,
2702
GPG checking policy.
2704
Possible values: require, ignore, check-available (default)
2706
this option will control whether bzr will require good gpg
2707
signatures, ignore them, or check them if they are
2710
option_registry.register(
2711
Option('child_submit_format',
2712
help='''The preferred format of submissions to this branch.'''))
2713
option_registry.register(
2714
Option('child_submit_to',
2715
help='''Where submissions to this branch are mailed to.'''))
2716
option_registry.register(
2717
Option('create_signatures', default=SIGN_WHEN_REQUIRED,
2718
from_unicode=signing_policy_from_unicode,
2722
Possible values: always, never, when-required (default)
2724
This option controls whether bzr will always create
2725
gpg signatures or not on commits.
2727
option_registry.register(
2728
Option('dirstate.fdatasync', default=True,
2729
from_unicode=bool_from_store,
2731
Flush dirstate changes onto physical disk?
2733
If true (default), working tree metadata changes are flushed through the
2734
OS buffers to physical disk. This is somewhat slower, but means data
2735
should not be lost if the machine crashes. See also repository.fdatasync.
2737
option_registry.register(
2738
ListOption('debug_flags', default=[],
2739
help='Debug flags to activate.'))
2740
option_registry.register(
2741
Option('default_format', default='2a',
2742
help='Format used when creating branches.'))
2743
option_registry.register(
2744
Option('dpush_strict', default=None,
2745
from_unicode=bool_from_store,
2747
The default value for ``dpush --strict``.
2749
If present, defines the ``--strict`` option default value for checking
2750
uncommitted changes before pushing into a different VCS without any
2751
custom bzr metadata.
2753
option_registry.register(
2755
help='The command called to launch an editor to enter a message.'))
2756
option_registry.register(
2757
Option('email', override_from_env=['BZR_EMAIL'], default=default_email,
2758
help='The users identity'))
2759
option_registry.register(
2760
Option('gpg_signing_command',
2763
Program to use use for creating signatures.
2765
This should support at least the -u and --clearsign options.
2767
option_registry.register(
2768
Option('gpg_signing_key',
2771
GPG key to use for signing.
2773
This defaults to the first key associated with the users email.
2775
option_registry.register(
2776
Option('ignore_missing_extensions', default=False,
2777
from_unicode=bool_from_store,
2779
Control the missing extensions warning display.
2781
The warning will not be emitted if set to True.
2783
option_registry.register(
2785
help='Language to translate messages into.'))
2786
option_registry.register(
2787
Option('locks.steal_dead', default=False, from_unicode=bool_from_store,
2789
Steal locks that appears to be dead.
2791
If set to True, bzr will check if a lock is supposed to be held by an
2792
active process from the same user on the same machine. If the user and
2793
machine match, but no process with the given PID is active, then bzr
2794
will automatically break the stale lock, and create a new lock for
2796
Otherwise, bzr will prompt as normal to break the lock.
2798
option_registry.register(
2799
Option('log_format', default='long',
2801
Log format to use when displaying revisions.
2803
Standard log formats are ``long``, ``short`` and ``line``. Additional formats
2804
may be provided by plugins.
2806
option_registry.register_lazy('mail_client', 'bzrlib.mail_client',
2808
option_registry.register(
2809
Option('output_encoding',
2810
help= 'Unicode encoding for output'
2811
' (terminal encoding if not specified).'))
2812
option_registry.register(
2813
Option('parent_location',
2816
The location of the default branch for pull or merge.
2818
This option is normally set when creating a branch, the first ``pull`` or by
2819
``pull --remember``.
2821
option_registry.register(
2822
Option('post_commit', default=None,
2824
Post commit functions.
2826
An ordered list of python functions to call, separated by spaces.
2828
Each function takes branch, rev_id as parameters.
2830
option_registry.register_lazy('progress_bar', 'bzrlib.ui.text',
2832
option_registry.register(
2833
Option('public_branch',
2836
A publically-accessible version of this branch.
2838
This implies that the branch setting this option is not publically-accessible.
2839
Used and set by ``bzr send``.
2841
option_registry.register(
2842
Option('push_location',
2845
The location of the default branch for push.
2847
This option is normally set by the first ``push`` or ``push --remember``.
2849
option_registry.register(
2850
Option('push_strict', default=None,
2851
from_unicode=bool_from_store,
2853
The default value for ``push --strict``.
2855
If present, defines the ``--strict`` option default value for checking
2856
uncommitted changes before sending a merge directive.
2858
option_registry.register(
2859
Option('repository.fdatasync', default=True,
2860
from_unicode=bool_from_store,
2862
Flush repository changes onto physical disk?
2864
If true (default), repository changes are flushed through the OS buffers
2865
to physical disk. This is somewhat slower, but means data should not be
2866
lost if the machine crashes. See also dirstate.fdatasync.
2868
option_registry.register_lazy('smtp_server',
2869
'bzrlib.smtp_connection', 'smtp_server')
2870
option_registry.register_lazy('smtp_password',
2871
'bzrlib.smtp_connection', 'smtp_password')
2872
option_registry.register_lazy('smtp_username',
2873
'bzrlib.smtp_connection', 'smtp_username')
2874
option_registry.register(
2875
Option('selftest.timeout',
2877
from_unicode=int_from_store,
2878
help='Abort selftest if one test takes longer than this many seconds',
2881
option_registry.register(
2882
Option('send_strict', default=None,
2883
from_unicode=bool_from_store,
2885
The default value for ``send --strict``.
2887
If present, defines the ``--strict`` option default value for checking
2888
uncommitted changes before sending a bundle.
2891
option_registry.register(
2892
Option('serve.client_timeout',
2893
default=300.0, from_unicode=float_from_store,
2894
help="If we wait for a new request from a client for more than"
2895
" X seconds, consider the client idle, and hangup."))
2896
option_registry.register(
2897
Option('stacked_on_location',
2899
help="""The location where this branch is stacked on."""))
2900
option_registry.register(
2901
Option('submit_branch',
2904
The branch you intend to submit your current work to.
2906
This is automatically set by ``bzr send`` and ``bzr merge``, and is also used
2907
by the ``submit:`` revision spec.
2909
option_registry.register(
2911
help='''Where submissions from this branch are mailed to.'''))
2912
option_registry.register(
2913
ListOption('suppress_warnings',
2915
help="List of warning classes to suppress."))
2916
option_registry.register(
2917
Option('validate_signatures_in_log', default=False,
2918
from_unicode=bool_from_store, invalid='warning',
2919
help='''Whether to validate signatures in bzr log.'''))
2920
option_registry.register_lazy('ssl.ca_certs',
2921
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_ca_certs')
2923
option_registry.register_lazy('ssl.cert_reqs',
2924
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_cert_reqs')
2286
2927
class Section(object):
2438
3225
co_input = StringIO(bytes)
2440
3227
# The config files are always stored utf8-encoded
2441
self._config_obj = ConfigObj(co_input, encoding='utf-8')
3228
self._config_obj = ConfigObj(co_input, encoding='utf-8',
2442
3230
except configobj.ConfigObjError, e:
2443
3231
self._config_obj = None
2444
3232
raise errors.ParseConfigError(e.errors, self.external_url())
2445
3233
except UnicodeDecodeError:
2446
3234
raise errors.ConfigContentError(self.external_url())
3236
def save_changes(self):
3237
if not self.is_loaded():
3240
if not self._need_saving():
3242
# Preserve the current version
3243
dirty_sections = dict(self.dirty_sections.items())
3244
self.apply_changes(dirty_sections)
3245
# Save to the persistent storage
2448
3248
def save(self):
2449
3249
if not self.is_loaded():
2450
3250
# Nothing to save
2452
3252
out = StringIO()
2453
3253
self._config_obj.write(out)
2454
self.transport.put_bytes(self.file_name, out.getvalue())
3254
self._save_content(out.getvalue())
2455
3255
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
3258
def get_sections(self):
2467
3259
"""Get the configobj section in the file order.
2469
:returns: An iterable of (name, dict).
3261
:returns: An iterable of (store, section).
2471
3263
# We need a loaded store
2474
except errors.NoSuchFile:
2475
# If the file doesn't exist, there is no sections
3266
except (errors.NoSuchFile, errors.PermissionDenied):
3267
# If the file can't be read, there is no sections
2477
3269
cobj = self._config_obj
2478
3270
if cobj.scalars:
2479
yield self.readonly_section_class(None, cobj)
3271
yield self, self.readonly_section_class(None, cobj)
2480
3272
for section_name in cobj.sections:
2481
yield self.readonly_section_class(section_name, cobj[section_name])
3274
self.readonly_section_class(section_name,
3275
cobj[section_name]))
2483
def get_mutable_section(self, section_name=None):
3277
def get_mutable_section(self, section_id=None):
2484
3278
# We need a loaded store
2487
3281
except errors.NoSuchFile:
2488
3282
# The file doesn't exist, let's pretend it was empty
2489
3283
self._load_from_string('')
2490
if section_name is None:
3284
if section_id in self.dirty_sections:
3285
# We already created a mutable section for this id
3286
return self.dirty_sections[section_id]
3287
if section_id is None:
2491
3288
section = self._config_obj
2493
section = self._config_obj.setdefault(section_name, {})
2494
return self.mutable_section_class(section_name, section)
3290
section = self._config_obj.setdefault(section_id, {})
3291
mutable_section = self.mutable_section_class(section_id, section)
3292
# All mutable sections can become dirty
3293
self.dirty_sections[section_id] = mutable_section
3294
return mutable_section
3296
def quote(self, value):
3298
# configobj conflates automagical list values and quoting
3299
self._config_obj.list_values = True
3300
return self._config_obj._quote(value)
3302
self._config_obj.list_values = False
3304
def unquote(self, value):
3305
if value and isinstance(value, basestring):
3306
# _unquote doesn't handle None nor empty strings nor anything that
3307
# is not a string, really.
3308
value = self._config_obj._unquote(value)
3311
def external_url(self):
3312
# Since an IniFileStore can be used without a file (at least in tests),
3313
# it's better to provide something than raising a NotImplementedError.
3314
# All daughter classes are supposed to provide an implementation
3316
return 'In-Process Store, no URL'
3319
class TransportIniFileStore(IniFileStore):
3320
"""IniFileStore that loads files from a transport.
3322
:ivar transport: The transport object where the config file is located.
3324
:ivar file_name: The config file basename in the transport directory.
3327
def __init__(self, transport, file_name):
3328
"""A Store using a ini file on a Transport
3330
:param transport: The transport object where the config file is located.
3331
:param file_name: The config file basename in the transport directory.
3333
super(TransportIniFileStore, self).__init__()
3334
self.transport = transport
3335
self.file_name = file_name
3337
def _load_content(self):
3339
return self.transport.get_bytes(self.file_name)
3340
except errors.PermissionDenied:
3341
trace.warning("Permission denied while trying to load "
3342
"configuration store %s.", self.external_url())
3345
def _save_content(self, content):
3346
self.transport.put_bytes(self.file_name, content)
3348
def external_url(self):
3349
# FIXME: external_url should really accepts an optional relpath
3350
# parameter (bug #750169) :-/ -- vila 2011-04-04
3351
# The following will do in the interim but maybe we don't want to
3352
# expose a path here but rather a config ID and its associated
3353
# object </hand wawe>.
3354
return urlutils.join(self.transport.external_url(), self.file_name)
2497
3357
# Note that LockableConfigObjStore inherits from ConfigObjStore because we need
2604
3474
sections = self.store.get_sections()
2605
3475
# Walk the revisions in the order provided
3476
for store, s in sections:
2607
3477
if self.match(s):
2610
def match(self, secion):
3480
def match(self, section):
3481
"""Does the proposed section match.
3483
:param section: A Section object.
3485
:returns: True if the section matches, False otherwise.
2611
3487
raise NotImplementedError(self.match)
3490
class NameMatcher(SectionMatcher):
3492
def __init__(self, store, section_id):
3493
super(NameMatcher, self).__init__(store)
3494
self.section_id = section_id
3496
def match(self, section):
3497
return section.id == self.section_id
2614
3500
class LocationSection(Section):
2616
def __init__(self, section, length, extra_path):
3502
def __init__(self, section, extra_path, branch_name=None):
2617
3503
super(LocationSection, self).__init__(section.id, section.options)
2618
self.length = length
2619
3504
self.extra_path = extra_path
3505
if branch_name is None:
3507
self.locals = {'relpath': extra_path,
3508
'basename': urlutils.basename(extra_path),
3509
'branchname': branch_name}
2621
def get(self, name, default=None):
3511
def get(self, name, default=None, expand=True):
2622
3512
value = super(LocationSection, self).get(name, default)
2623
if value is not None:
3513
if value is not None and expand:
2624
3514
policy_name = self.get(name + ':policy', None)
2625
3515
policy = _policy_value.get(policy_name, POLICY_NONE)
2626
3516
if policy == POLICY_APPENDPATH:
2627
3517
value = urlutils.join(value, self.extra_path)
3518
# expand section local options right now (since POLICY_APPENDPATH
3519
# will never add options references, it's ok to expand after it).
3521
for is_ref, chunk in iter_option_refs(value):
3523
chunks.append(chunk)
3526
if ref in self.locals:
3527
chunks.append(self.locals[ref])
3529
chunks.append(chunk)
3530
value = ''.join(chunks)
3534
class StartingPathMatcher(SectionMatcher):
3535
"""Select sections for a given location respecting the Store order."""
3537
# FIXME: Both local paths and urls can be used for section names as well as
3538
# ``location`` to stay consistent with ``LocationMatcher`` which itself
3539
# inherited the fuzziness from the previous ``LocationConfig``
3540
# implementation. We probably need to revisit which encoding is allowed for
3541
# both ``location`` and section names and how we normalize
3542
# them. http://pad.lv/85479, http://pad.lv/437009 and http://359320 are
3543
# related too. -- vila 2012-01-04
3545
def __init__(self, store, location):
3546
super(StartingPathMatcher, self).__init__(store)
3547
if location.startswith('file://'):
3548
location = urlutils.local_path_from_url(location)
3549
self.location = location
3551
def get_sections(self):
3552
"""Get all sections matching ``location`` in the store.
3554
The most generic sections are described first in the store, then more
3555
specific ones can be provided for reduced scopes.
3557
The returned section are therefore returned in the reversed order so
3558
the most specific ones can be found first.
3560
location_parts = self.location.rstrip('/').split('/')
3562
# Later sections are more specific, they should be returned first
3563
for _, section in reversed(list(store.get_sections())):
3564
if section.id is None:
3565
# The no-name section is always included if present
3566
yield store, LocationSection(section, self.location)
3568
section_path = section.id
3569
if section_path.startswith('file://'):
3570
# the location is already a local path or URL, convert the
3571
# section id to the same format
3572
section_path = urlutils.local_path_from_url(section_path)
3573
if (self.location.startswith(section_path)
3574
or fnmatch.fnmatch(self.location, section_path)):
3575
section_parts = section_path.rstrip('/').split('/')
3576
extra_path = '/'.join(location_parts[len(section_parts):])
3577
yield store, LocationSection(section, extra_path)
2631
3580
class LocationMatcher(SectionMatcher):
2633
3582
def __init__(self, store, location):
2634
3583
super(LocationMatcher, self).__init__(store)
3584
url, params = urlutils.split_segment_parameters(location)
2635
3585
if location.startswith('file://'):
2636
3586
location = urlutils.local_path_from_url(location)
2637
3587
self.location = location
3588
branch_name = params.get('branch')
3589
if branch_name is None:
3590
self.branch_name = urlutils.basename(self.location)
3592
self.branch_name = urlutils.unescape(branch_name)
2639
3594
def _get_matching_sections(self):
2640
3595
"""Get all sections matching ``location``."""
2641
3596
# We slightly diverge from LocalConfig here by allowing the no-name
2642
3597
# section as the most generic one and the lower priority.
2643
3598
no_name_section = None
2645
3600
# Filter out the no_name_section so _iter_for_location_by_parts can be
2646
3601
# used (it assumes all sections have a name).
2647
for section in self.store.get_sections():
3602
for _, section in self.store.get_sections():
2648
3603
if section.id is None:
2649
3604
no_name_section = section
2651
sections.append(section)
3606
all_sections.append(section)
2652
3607
# Unfortunately _iter_for_location_by_parts deals with section names so
2653
3608
# we have to resync.
2654
3609
filtered_sections = _iter_for_location_by_parts(
2655
[s.id for s in sections], self.location)
2656
iter_sections = iter(sections)
3610
[s.id for s in all_sections], self.location)
3611
iter_all_sections = iter(all_sections)
2657
3612
matching_sections = []
2658
3613
if no_name_section is not None:
2659
3614
matching_sections.append(
2660
LocationSection(no_name_section, 0, self.location))
3615
(0, LocationSection(no_name_section, self.location)))
2661
3616
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))
3617
# a section id is unique for a given store so it's safe to take the
3618
# first matching section while iterating. Also, all filtered
3619
# sections are part of 'all_sections' and will always be found
3622
section = iter_all_sections.next()
3623
if section_id == section.id:
3624
section = LocationSection(section, extra_path,
3626
matching_sections.append((length, section))
2668
3628
return matching_sections
2670
3630
def get_sections(self):
2715
3690
option exists or get its value, which in turn may require to discover
2716
3691
in which sections it can be defined. Both of these (section and option
2717
3692
existence) require loading the store (even partially).
3694
:param name: The queried option.
3696
:param expand: Whether options references should be expanded.
3698
:param convert: Whether the option value should be converted from
3699
unicode (do nothing for non-registered options).
3701
:returns: The value of the option.
2719
3703
# 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:
3705
found_store = None # Where the option value has been found
3706
# If the option is registered, it may provide additional info about
3709
opt = option_registry.get(name)
3714
def expand_and_convert(val):
3715
# This may need to be called in different contexts if the value is
3716
# None or ends up being None during expansion or conversion.
3719
if isinstance(val, basestring):
3720
val = self._expand_options_in_string(val)
3722
trace.warning('Cannot expand "%s":'
3723
' %s does not support option expansion'
3724
% (name, type(val)))
3726
val = found_store.unquote(val)
3728
val = opt.convert_from_unicode(found_store, val)
3731
# First of all, check if the environment can override the configuration
3733
if opt is not None and opt.override_from_env:
3734
value = opt.get_override()
3735
value = expand_and_convert(value)
3737
for store, section in self.iter_sections():
2732
3738
value = section.get(name)
2733
3739
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)
3742
value = expand_and_convert(value)
3743
if opt is not None and value is None:
3744
# If the option is registered, it may provide a default value
2745
3745
value = opt.get_default()
3746
value = expand_and_convert(value)
2746
3747
for hook in ConfigHooks['get']:
2747
3748
hook(self, name, value)
3751
def expand_options(self, string, env=None):
3752
"""Expand option references in the string in the configuration context.
3754
:param string: The string containing option(s) to expand.
3756
:param env: An option dict defining additional configuration options or
3757
overriding existing ones.
3759
:returns: The expanded string.
3761
return self._expand_options_in_string(string, env)
3763
def _expand_options_in_string(self, string, env=None, _refs=None):
3764
"""Expand options in the string in the configuration context.
3766
:param string: The string to be expanded.
3768
:param env: An option dict defining additional configuration options or
3769
overriding existing ones.
3771
:param _refs: Private list (FIFO) containing the options being expanded
3774
:returns: The expanded string.
3777
# Not much to expand there
3780
# What references are currently resolved (to detect loops)
3783
# We need to iterate until no more refs appear ({{foo}} will need two
3784
# iterations for example).
3789
for is_ref, chunk in iter_option_refs(result):
3791
chunks.append(chunk)
3796
raise errors.OptionExpansionLoop(string, _refs)
3798
value = self._expand_option(name, env, _refs)
3800
raise errors.ExpandingUnknownOption(name, string)
3801
chunks.append(value)
3803
result = ''.join(chunks)
3806
def _expand_option(self, name, env, _refs):
3807
if env is not None and name in env:
3808
# Special case, values provided in env takes precedence over
3812
value = self.get(name, expand=False, convert=False)
3813
value = self._expand_options_in_string(value, env, _refs)
2750
3816
def _get_mutable_section(self):
2751
3817
"""Get the MutableSection for the Stack.
2753
3819
This is where we guarantee that the mutable section is lazily loaded:
2754
3820
this means we won't load the corresponding store before setting a value
2755
3821
or deleting an option. In practice the store will often be loaded but
2756
this allows helps catching some programming errors.
3822
this helps catching some programming errors.
2758
section = self.store.get_mutable_section(self.mutable_section_name)
3825
section = store.get_mutable_section(self.mutable_section_id)
3826
return store, section
2761
3828
def set(self, name, value):
2762
3829
"""Set a new value for the option."""
2763
section = self._get_mutable_section()
2764
section.set(name, value)
3830
store, section = self._get_mutable_section()
3831
section.set(name, store.quote(value))
2765
3832
for hook in ConfigHooks['set']:
2766
3833
hook(self, name, value)
2768
3835
def remove(self, name):
2769
3836
"""Remove an existing option."""
2770
section = self._get_mutable_section()
3837
_, section = self._get_mutable_section()
2771
3838
section.remove(name)
2772
3839
for hook in ConfigHooks['remove']:
2773
3840
hook(self, name)
2800
3932
# Force a write to persistent storage
2801
3933
self.store.save()
2804
class GlobalStack(_CompatibleStack):
3935
def remove(self, name):
3938
super(_CompatibleStack, self).remove(name)
3939
# Force a write to persistent storage
3943
class GlobalStack(Stack):
3944
"""Global options only stack.
3946
The following sections are queried:
3948
* command-line overrides,
3950
* the 'DEFAULT' section in bazaar.conf
3952
This stack will use the ``DEFAULT`` section in bazaar.conf as its
2806
3956
def __init__(self):
2808
gstore = GlobalStore()
2809
super(GlobalStack, self).__init__([gstore.get_sections], gstore)
2812
class LocationStack(_CompatibleStack):
3957
gstore = self.get_shared_store(GlobalStore())
3958
super(GlobalStack, self).__init__(
3959
[self._get_overrides,
3960
NameMatcher(gstore, 'DEFAULT').get_sections],
3961
gstore, mutable_section_id='DEFAULT')
3964
class LocationStack(Stack):
3965
"""Per-location options falling back to global options stack.
3968
The following sections are queried:
3970
* command-line overrides,
3972
* the sections matching ``location`` in ``locations.conf``, the order being
3973
defined by the number of path components in the section glob, higher
3974
numbers first (from most specific section to most generic).
3976
* the 'DEFAULT' section in bazaar.conf
3978
This stack will use the ``location`` section in locations.conf as its
2814
3982
def __init__(self, location):
2815
lstore = LocationStore()
2816
matcher = LocationMatcher(lstore, location)
2817
gstore = GlobalStore()
3983
"""Make a new stack for a location and global configuration.
3985
:param location: A URL prefix to """
3986
lstore = self.get_shared_store(LocationStore())
3987
if location.startswith('file://'):
3988
location = urlutils.local_path_from_url(location)
3989
gstore = self.get_shared_store(GlobalStore())
2818
3990
super(LocationStack, self).__init__(
2819
[matcher.get_sections, gstore.get_sections], lstore)
2821
class BranchStack(_CompatibleStack):
3991
[self._get_overrides,
3992
LocationMatcher(lstore, location).get_sections,
3993
NameMatcher(gstore, 'DEFAULT').get_sections],
3994
lstore, mutable_section_id=location)
3997
class BranchStack(Stack):
3998
"""Per-location options falling back to branch then global options stack.
4000
The following sections are queried:
4002
* command-line overrides,
4004
* the sections matching ``location`` in ``locations.conf``, the order being
4005
defined by the number of path components in the section glob, higher
4006
numbers first (from most specific section to most generic),
4008
* the no-name section in branch.conf,
4010
* the ``DEFAULT`` section in ``bazaar.conf``.
4012
This stack will use the no-name section in ``branch.conf`` as its
2823
4016
def __init__(self, branch):
2824
bstore = BranchStore(branch)
2825
lstore = LocationStore()
2826
matcher = LocationMatcher(lstore, branch.base)
2827
gstore = GlobalStore()
4017
lstore = self.get_shared_store(LocationStore())
4018
bstore = branch._get_config_store()
4019
gstore = self.get_shared_store(GlobalStore())
2828
4020
super(BranchStack, self).__init__(
2829
[matcher.get_sections, bstore.get_sections, gstore.get_sections],
2831
self.branch = branch
4021
[self._get_overrides,
4022
LocationMatcher(lstore, branch.base).get_sections,
4023
NameMatcher(bstore, None).get_sections,
4024
NameMatcher(gstore, 'DEFAULT').get_sections],
4026
self.branch = branch
4028
def lock_write(self, token=None):
4029
return self.branch.lock_write(token)
4032
return self.branch.unlock()
4035
def set(self, name, value):
4036
super(BranchStack, self).set(name, value)
4037
# Unlocking the branch will trigger a store.save_changes() so the last
4038
# unlock saves all the changes.
4041
def remove(self, name):
4042
super(BranchStack, self).remove(name)
4043
# Unlocking the branch will trigger a store.save_changes() so the last
4044
# unlock saves all the changes.
4047
class RemoteControlStack(Stack):
4048
"""Remote control-only options stack."""
4050
# FIXME 2011-11-22 JRV This should probably be renamed to avoid confusion
4051
# with the stack used for remote bzr dirs. RemoteControlStack only uses
4052
# control.conf and is used only for stack options.
4054
def __init__(self, bzrdir):
4055
cstore = bzrdir._get_config_store()
4056
super(RemoteControlStack, self).__init__(
4057
[NameMatcher(cstore, None).get_sections],
4059
self.bzrdir = bzrdir
4062
class BranchOnlyStack(Stack):
4063
"""Branch-only options stack."""
4065
# FIXME: _BranchOnlyStack only uses branch.conf and is used only for the
4066
# stacked_on_location options waiting for http://pad.lv/832042 to be fixed.
4067
# -- vila 2011-12-16
4069
def __init__(self, branch):
4070
bstore = branch._get_config_store()
4071
super(BranchOnlyStack, self).__init__(
4072
[NameMatcher(bstore, None).get_sections],
4074
self.branch = branch
4076
def lock_write(self, token=None):
4077
return self.branch.lock_write(token)
4080
return self.branch.unlock()
4083
def set(self, name, value):
4084
super(BranchOnlyStack, self).set(name, value)
4085
# Force a write to persistent storage
4086
self.store.save_changes()
4089
def remove(self, name):
4090
super(BranchOnlyStack, self).remove(name)
4091
# Force a write to persistent storage
4092
self.store.save_changes()
2834
4095
class cmd_config(commands.Command):
2835
4096
__doc__ = """Display, set or remove a configuration option.
2837
Display the active value for a given option.
4098
Display the active value for option NAME.
2839
4100
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
4101
matching options are displayed mentioning their scope and without resolving
4102
option references in the value). The active value that bzr will take into
4103
account is the first one displayed for each option.
4105
If NAME is not given, --all .* is implied (all options are displayed for the
4108
Setting a value is achieved by using NAME=value without spaces. The value
2846
4109
is set in the most relevant scope and can be checked by displaying the
4112
Removing a value is achieved by using --remove NAME.
2850
4115
takes_args = ['name?']