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 or its default value.
2321
:param invalid: the action to be taken when an invalid value is
2322
encountered in a store. This is called only when from_unicode is
2323
invoked to convert a string and returns None or raise ValueError or
2324
TypeError. Accepted values are: None (ignore invalid values),
2325
'warning' (emit a warning), 'error' (emit an error message and
2328
:param unquote: should the unicode value be unquoted before conversion.
2329
This should be used only when the store providing the values cannot
2330
safely unquote them (see http://pad.lv/906897). It is provided so
2331
daughter classes can handle the quoting themselves.
2333
if override_from_env is None:
2334
override_from_env = []
2335
if default_from_env is None:
2336
default_from_env = []
2269
2337
self.name = name
2270
self.default = default
2338
self.override_from_env = override_from_env
2339
# Convert the default value to a unicode string so all values are
2340
# strings internally before conversion (via from_unicode) is attempted.
2343
elif isinstance(default, list):
2344
# Only the empty list is supported
2346
raise AssertionError(
2347
'Only empty lists are supported as default values')
2349
elif isinstance(default, (str, unicode, bool, int, float)):
2350
# Rely on python to convert strings, booleans and integers
2351
self.default = u'%s' % (default,)
2352
elif callable(default):
2353
self.default = default
2355
# other python objects are not expected
2356
raise AssertionError('%r is not supported as a default value'
2358
self.default_from_env = default_from_env
2360
self.from_unicode = from_unicode
2361
self.unquote = unquote
2362
if invalid and invalid not in ('warning', 'error'):
2363
raise AssertionError("%s not supported for 'invalid'" % (invalid,))
2364
self.invalid = invalid
2370
def convert_from_unicode(self, store, unicode_value):
2371
if self.unquote and store is not None and unicode_value is not None:
2372
unicode_value = store.unquote(unicode_value)
2373
if self.from_unicode is None or unicode_value is None:
2374
# Don't convert or nothing to convert
2375
return unicode_value
2377
converted = self.from_unicode(unicode_value)
2378
except (ValueError, TypeError):
2379
# Invalid values are ignored
2381
if converted is None and self.invalid is not None:
2382
# The conversion failed
2383
if self.invalid == 'warning':
2384
trace.warning('Value "%s" is not valid for "%s"',
2385
unicode_value, self.name)
2386
elif self.invalid == 'error':
2387
raise errors.ConfigOptionValueError(self.name, unicode_value)
2390
def get_override(self):
2392
for var in self.override_from_env:
2394
# If the env variable is defined, its value takes precedence
2395
value = os.environ[var].decode(osutils.get_user_encoding())
2272
2401
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.')
2403
for var in self.default_from_env:
2405
# If the env variable is defined, its value is the default one
2406
value = os.environ[var].decode(osutils.get_user_encoding())
2411
# Otherwise, fallback to the value defined at registration
2412
if callable(self.default):
2413
value = self.default()
2414
if not isinstance(value, unicode):
2415
raise AssertionError(
2416
"Callable default value for '%s' should be unicode"
2419
value = self.default
2422
def get_help_topic(self):
2425
def get_help_text(self, additional_see_also=None, plain=True):
2427
from bzrlib import help_topics
2428
result += help_topics._format_see_also(additional_see_also)
2430
result = help_topics.help_as_plain_text(result)
2434
# Predefined converters to get proper values from store
2436
def bool_from_store(unicode_str):
2437
return ui.bool_from_string(unicode_str)
2440
def int_from_store(unicode_str):
2441
return int(unicode_str)
2444
_unit_suffixes = dict(K=10**3, M=10**6, G=10**9)
2446
def int_SI_from_store(unicode_str):
2447
"""Convert a human readable size in SI units, e.g 10MB into an integer.
2449
Accepted suffixes are K,M,G. It is case-insensitive and may be followed
2450
by a trailing b (i.e. Kb, MB). This is intended to be practical and not
2453
:return Integer, expanded to its base-10 value if a proper SI unit is
2454
found, None otherwise.
2456
regexp = "^(\d+)(([" + ''.join(_unit_suffixes) + "])b?)?$"
2457
p = re.compile(regexp, re.IGNORECASE)
2458
m = p.match(unicode_str)
2461
val, _, unit = m.groups()
2465
coeff = _unit_suffixes[unit.upper()]
2467
raise ValueError(gettext('{0} is not an SI unit.').format(unit))
2472
def float_from_store(unicode_str):
2473
return float(unicode_str)
2476
# Use an empty dict to initialize an empty configobj avoiding all parsing and
2478
_list_converter_config = configobj.ConfigObj(
2479
{}, encoding='utf-8', list_values=True, interpolation=False)
2482
class ListOption(Option):
2484
def __init__(self, name, default=None, default_from_env=None,
2485
help=None, invalid=None):
2486
"""A list Option definition.
2488
This overrides the base class so the conversion from a unicode string
2489
can take quoting into account.
2491
super(ListOption, self).__init__(
2492
name, default=default, default_from_env=default_from_env,
2493
from_unicode=self.from_unicode, help=help,
2494
invalid=invalid, unquote=False)
2496
def from_unicode(self, unicode_str):
2497
if not isinstance(unicode_str, basestring):
2499
# Now inject our string directly as unicode. All callers got their
2500
# value from configobj, so values that need to be quoted are already
2502
_list_converter_config.reset()
2503
_list_converter_config._parse([u"list=%s" % (unicode_str,)])
2504
maybe_list = _list_converter_config['list']
2505
if isinstance(maybe_list, basestring):
2507
# A single value, most probably the user forgot (or didn't care
2508
# to add) the final ','
2511
# The empty string, convert to empty list
2514
# We rely on ConfigObj providing us with a list already
2519
class RegistryOption(Option):
2520
"""Option for a choice from a registry."""
2522
def __init__(self, name, registry, default_from_env=None,
2523
help=None, invalid=None):
2524
"""A registry based Option definition.
2526
This overrides the base class so the conversion from a unicode string
2527
can take quoting into account.
2529
super(RegistryOption, self).__init__(
2530
name, default=lambda: unicode(registry.default_key),
2531
default_from_env=default_from_env,
2532
from_unicode=self.from_unicode, help=help,
2533
invalid=invalid, unquote=False)
2534
self.registry = registry
2536
def from_unicode(self, unicode_str):
2537
if not isinstance(unicode_str, basestring):
2540
return self.registry.get(unicode_str)
2543
"Invalid value %s for %s."
2544
"See help for a list of possible values." % (unicode_str,
2549
ret = [self._help, "\n\nThe following values are supported:\n"]
2550
for key in self.registry.keys():
2551
ret.append(" %s - %s\n" % (key, self.registry.get_help(key)))
2555
_option_ref_re = lazy_regex.lazy_compile('({[^\d\W](?:\.\w|\w)*})')
2556
"""Describes an expandable option reference.
2558
We want to match the most embedded reference first.
2560
I.e. for '{{foo}}' we will get '{foo}',
2561
for '{bar{baz}}' we will get '{baz}'
2564
def iter_option_refs(string):
2565
# Split isolate refs so every other chunk is a ref
2567
for chunk in _option_ref_re.split(string):
2572
class OptionRegistry(registry.Registry):
2573
"""Register config options by their name.
2575
This overrides ``registry.Registry`` to simplify registration by acquiring
2576
some information from the option object itself.
2579
def _check_option_name(self, option_name):
2580
"""Ensures an option name is valid.
2582
:param option_name: The name to validate.
2584
if _option_ref_re.match('{%s}' % option_name) is None:
2585
raise errors.IllegalOptionName(option_name)
2587
def register(self, option):
2588
"""Register a new option to its name.
2590
:param option: The option to register. Its name is used as the key.
2592
self._check_option_name(option.name)
2593
super(OptionRegistry, self).register(option.name, option,
2596
def register_lazy(self, key, module_name, member_name):
2597
"""Register a new option to be loaded on request.
2599
:param key: the key to request the option later. Since the registration
2600
is lazy, it should be provided and match the option name.
2602
:param module_name: the python path to the module. Such as 'os.path'.
2604
:param member_name: the member of the module to return. If empty or
2605
None, get() will return the module itself.
2607
self._check_option_name(key)
2608
super(OptionRegistry, self).register_lazy(key,
2609
module_name, member_name)
2611
def get_help(self, key=None):
2612
"""Get the help text associated with the given key"""
2613
option = self.get(key)
2614
the_help = option.help
2615
if callable(the_help):
2616
return the_help(self, key)
2620
option_registry = OptionRegistry()
2623
# Registered options in lexicographical order
2625
option_registry.register(
2626
Option('append_revisions_only',
2627
default=None, from_unicode=bool_from_store, invalid='warning',
2629
Whether to only append revisions to the mainline.
2631
If this is set to true, then it is not possible to change the
2632
existing mainline of the branch.
2634
option_registry.register(
2635
ListOption('acceptable_keys',
2638
List of GPG key patterns which are acceptable for verification.
2640
option_registry.register(
2641
Option('add.maximum_file_size',
2642
default=u'20MB', from_unicode=int_SI_from_store,
2644
Size above which files should be added manually.
2646
Files below this size are added automatically when using ``bzr add`` without
2649
A negative value means disable the size check.
2651
option_registry.register(
2653
default=None, from_unicode=bool_from_store,
2655
Is the branch bound to ``bound_location``.
2657
If set to "True", the branch should act as a checkout, and push each commit to
2658
the bound_location. This option is normally set by ``bind``/``unbind``.
2660
See also: bound_location.
2662
option_registry.register(
2663
Option('bound_location',
2666
The location that commits should go to when acting as a checkout.
2668
This option is normally set by ``bind``.
2672
option_registry.register(
2673
Option('branch.fetch_tags', default=False, from_unicode=bool_from_store,
2675
Whether revisions associated with tags should be fetched.
2677
option_registry.register_lazy(
2678
'bzr.transform.orphan_policy', 'bzrlib.transform', 'opt_transform_orphan')
2679
option_registry.register(
2680
Option('bzr.workingtree.worth_saving_limit', default=10,
2681
from_unicode=int_from_store, invalid='warning',
2683
How many changes before saving the dirstate.
2685
-1 means that we will never rewrite the dirstate file for only
2686
stat-cache changes. Regardless of this setting, we will always rewrite
2687
the dirstate file if a file is added/removed/renamed/etc. This flag only
2688
affects the behavior of updating the dirstate file after we notice that
2689
a file has been touched.
2691
option_registry.register(
2692
Option('bugtracker', default=None,
2694
Default bug tracker to use.
2696
This bug tracker will be used for example when marking bugs
2697
as fixed using ``bzr commit --fixes``, if no explicit
2698
bug tracker was specified.
2700
option_registry.register(
2701
Option('check_signatures', default=CHECK_IF_POSSIBLE,
2702
from_unicode=signature_policy_from_unicode,
2704
GPG checking policy.
2706
Possible values: require, ignore, check-available (default)
2708
this option will control whether bzr will require good gpg
2709
signatures, ignore them, or check them if they are
2712
option_registry.register(
2713
Option('child_submit_format',
2714
help='''The preferred format of submissions to this branch.'''))
2715
option_registry.register(
2716
Option('child_submit_to',
2717
help='''Where submissions to this branch are mailed to.'''))
2718
option_registry.register(
2719
Option('create_signatures', default=SIGN_WHEN_REQUIRED,
2720
from_unicode=signing_policy_from_unicode,
2724
Possible values: always, never, when-required (default)
2726
This option controls whether bzr will always create
2727
gpg signatures or not on commits.
2729
option_registry.register(
2730
Option('dirstate.fdatasync', default=True,
2731
from_unicode=bool_from_store,
2733
Flush dirstate changes onto physical disk?
2735
If true (default), working tree metadata changes are flushed through the
2736
OS buffers to physical disk. This is somewhat slower, but means data
2737
should not be lost if the machine crashes. See also repository.fdatasync.
2739
option_registry.register(
2740
ListOption('debug_flags', default=[],
2741
help='Debug flags to activate.'))
2742
option_registry.register(
2743
Option('default_format', default='2a',
2744
help='Format used when creating branches.'))
2745
option_registry.register(
2746
Option('dpush_strict', default=None,
2747
from_unicode=bool_from_store,
2749
The default value for ``dpush --strict``.
2751
If present, defines the ``--strict`` option default value for checking
2752
uncommitted changes before pushing into a different VCS without any
2753
custom bzr metadata.
2755
option_registry.register(
2757
help='The command called to launch an editor to enter a message.'))
2758
option_registry.register(
2759
Option('email', override_from_env=['BZR_EMAIL'], default=default_email,
2760
help='The users identity'))
2761
option_registry.register(
2762
Option('gpg_signing_command',
2765
Program to use use for creating signatures.
2767
This should support at least the -u and --clearsign options.
2769
option_registry.register(
2770
Option('gpg_signing_key',
2773
GPG key to use for signing.
2775
This defaults to the first key associated with the users email.
2777
option_registry.register(
2778
Option('ignore_missing_extensions', default=False,
2779
from_unicode=bool_from_store,
2781
Control the missing extensions warning display.
2783
The warning will not be emitted if set to True.
2785
option_registry.register(
2787
help='Language to translate messages into.'))
2788
option_registry.register(
2789
Option('locks.steal_dead', default=False, from_unicode=bool_from_store,
2791
Steal locks that appears to be dead.
2793
If set to True, bzr will check if a lock is supposed to be held by an
2794
active process from the same user on the same machine. If the user and
2795
machine match, but no process with the given PID is active, then bzr
2796
will automatically break the stale lock, and create a new lock for
2798
Otherwise, bzr will prompt as normal to break the lock.
2800
option_registry.register(
2801
Option('log_format', default='long',
2803
Log format to use when displaying revisions.
2805
Standard log formats are ``long``, ``short`` and ``line``. Additional formats
2806
may be provided by plugins.
2808
option_registry.register_lazy('mail_client', 'bzrlib.mail_client',
2810
option_registry.register(
2811
Option('output_encoding',
2812
help= 'Unicode encoding for output'
2813
' (terminal encoding if not specified).'))
2814
option_registry.register(
2815
Option('parent_location',
2818
The location of the default branch for pull or merge.
2820
This option is normally set when creating a branch, the first ``pull`` or by
2821
``pull --remember``.
2823
option_registry.register(
2824
Option('post_commit', default=None,
2826
Post commit functions.
2828
An ordered list of python functions to call, separated by spaces.
2830
Each function takes branch, rev_id as parameters.
2832
option_registry.register_lazy('progress_bar', 'bzrlib.ui.text',
2834
option_registry.register(
2835
Option('public_branch',
2838
A publically-accessible version of this branch.
2840
This implies that the branch setting this option is not publically-accessible.
2841
Used and set by ``bzr send``.
2843
option_registry.register(
2844
Option('push_location',
2847
The location of the default branch for push.
2849
This option is normally set by the first ``push`` or ``push --remember``.
2851
option_registry.register(
2852
Option('push_strict', default=None,
2853
from_unicode=bool_from_store,
2855
The default value for ``push --strict``.
2857
If present, defines the ``--strict`` option default value for checking
2858
uncommitted changes before sending a merge directive.
2860
option_registry.register(
2861
Option('repository.fdatasync', default=True,
2862
from_unicode=bool_from_store,
2864
Flush repository changes onto physical disk?
2866
If true (default), repository changes are flushed through the OS buffers
2867
to physical disk. This is somewhat slower, but means data should not be
2868
lost if the machine crashes. See also dirstate.fdatasync.
2870
option_registry.register_lazy('smtp_server',
2871
'bzrlib.smtp_connection', 'smtp_server')
2872
option_registry.register_lazy('smtp_password',
2873
'bzrlib.smtp_connection', 'smtp_password')
2874
option_registry.register_lazy('smtp_username',
2875
'bzrlib.smtp_connection', 'smtp_username')
2876
option_registry.register(
2877
Option('selftest.timeout',
2879
from_unicode=int_from_store,
2880
help='Abort selftest if one test takes longer than this many seconds',
2883
option_registry.register(
2884
Option('send_strict', default=None,
2885
from_unicode=bool_from_store,
2887
The default value for ``send --strict``.
2889
If present, defines the ``--strict`` option default value for checking
2890
uncommitted changes before sending a bundle.
2893
option_registry.register(
2894
Option('serve.client_timeout',
2895
default=300.0, from_unicode=float_from_store,
2896
help="If we wait for a new request from a client for more than"
2897
" X seconds, consider the client idle, and hangup."))
2898
option_registry.register(
2899
Option('stacked_on_location',
2901
help="""The location where this branch is stacked on."""))
2902
option_registry.register(
2903
Option('submit_branch',
2906
The branch you intend to submit your current work to.
2908
This is automatically set by ``bzr send`` and ``bzr merge``, and is also used
2909
by the ``submit:`` revision spec.
2911
option_registry.register(
2913
help='''Where submissions from this branch are mailed to.'''))
2914
option_registry.register(
2915
ListOption('suppress_warnings',
2917
help="List of warning classes to suppress."))
2918
option_registry.register(
2919
Option('validate_signatures_in_log', default=False,
2920
from_unicode=bool_from_store, invalid='warning',
2921
help='''Whether to validate signatures in bzr log.'''))
2922
option_registry.register_lazy('ssl.ca_certs',
2923
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_ca_certs')
2925
option_registry.register_lazy('ssl.cert_reqs',
2926
'bzrlib.transport.http._urllib2_wrappers', 'opt_ssl_cert_reqs')
2286
2929
class Section(object):
2438
3227
co_input = StringIO(bytes)
2440
3229
# The config files are always stored utf8-encoded
2441
self._config_obj = ConfigObj(co_input, encoding='utf-8')
3230
self._config_obj = ConfigObj(co_input, encoding='utf-8',
2442
3232
except configobj.ConfigObjError, e:
2443
3233
self._config_obj = None
2444
3234
raise errors.ParseConfigError(e.errors, self.external_url())
2445
3235
except UnicodeDecodeError:
2446
3236
raise errors.ConfigContentError(self.external_url())
3238
def save_changes(self):
3239
if not self.is_loaded():
3242
if not self._need_saving():
3244
# Preserve the current version
3245
dirty_sections = dict(self.dirty_sections.items())
3246
self.apply_changes(dirty_sections)
3247
# Save to the persistent storage
2448
3250
def save(self):
2449
3251
if not self.is_loaded():
2450
3252
# Nothing to save
2452
3254
out = StringIO()
2453
3255
self._config_obj.write(out)
2454
self.transport.put_bytes(self.file_name, out.getvalue())
3256
self._save_content(out.getvalue())
2455
3257
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
3260
def get_sections(self):
2467
3261
"""Get the configobj section in the file order.
2469
:returns: An iterable of (name, dict).
3263
:returns: An iterable of (store, section).
2471
3265
# We need a loaded store
2474
except errors.NoSuchFile:
2475
# If the file doesn't exist, there is no sections
3268
except (errors.NoSuchFile, errors.PermissionDenied):
3269
# If the file can't be read, there is no sections
2477
3271
cobj = self._config_obj
2478
3272
if cobj.scalars:
2479
yield self.readonly_section_class(None, cobj)
3273
yield self, self.readonly_section_class(None, cobj)
2480
3274
for section_name in cobj.sections:
2481
yield self.readonly_section_class(section_name, cobj[section_name])
3276
self.readonly_section_class(section_name,
3277
cobj[section_name]))
2483
def get_mutable_section(self, section_name=None):
3279
def get_mutable_section(self, section_id=None):
2484
3280
# We need a loaded store
2487
3283
except errors.NoSuchFile:
2488
3284
# The file doesn't exist, let's pretend it was empty
2489
3285
self._load_from_string('')
2490
if section_name is None:
3286
if section_id in self.dirty_sections:
3287
# We already created a mutable section for this id
3288
return self.dirty_sections[section_id]
3289
if section_id is None:
2491
3290
section = self._config_obj
2493
section = self._config_obj.setdefault(section_name, {})
2494
return self.mutable_section_class(section_name, section)
3292
section = self._config_obj.setdefault(section_id, {})
3293
mutable_section = self.mutable_section_class(section_id, section)
3294
# All mutable sections can become dirty
3295
self.dirty_sections[section_id] = mutable_section
3296
return mutable_section
3298
def quote(self, value):
3300
# configobj conflates automagical list values and quoting
3301
self._config_obj.list_values = True
3302
return self._config_obj._quote(value)
3304
self._config_obj.list_values = False
3306
def unquote(self, value):
3307
if value and isinstance(value, basestring):
3308
# _unquote doesn't handle None nor empty strings nor anything that
3309
# is not a string, really.
3310
value = self._config_obj._unquote(value)
3313
def external_url(self):
3314
# Since an IniFileStore can be used without a file (at least in tests),
3315
# it's better to provide something than raising a NotImplementedError.
3316
# All daughter classes are supposed to provide an implementation
3318
return 'In-Process Store, no URL'
3321
class TransportIniFileStore(IniFileStore):
3322
"""IniFileStore that loads files from a transport.
3324
:ivar transport: The transport object where the config file is located.
3326
:ivar file_name: The config file basename in the transport directory.
3329
def __init__(self, transport, file_name):
3330
"""A Store using a ini file on a Transport
3332
:param transport: The transport object where the config file is located.
3333
:param file_name: The config file basename in the transport directory.
3335
super(TransportIniFileStore, self).__init__()
3336
self.transport = transport
3337
self.file_name = file_name
3339
def _load_content(self):
3341
return self.transport.get_bytes(self.file_name)
3342
except errors.PermissionDenied:
3343
trace.warning("Permission denied while trying to load "
3344
"configuration store %s.", self.external_url())
3347
def _save_content(self, content):
3348
self.transport.put_bytes(self.file_name, content)
3350
def external_url(self):
3351
# FIXME: external_url should really accepts an optional relpath
3352
# parameter (bug #750169) :-/ -- vila 2011-04-04
3353
# The following will do in the interim but maybe we don't want to
3354
# expose a path here but rather a config ID and its associated
3355
# object </hand wawe>.
3356
return urlutils.join(self.transport.external_url(), self.file_name)
2497
3359
# Note that LockableConfigObjStore inherits from ConfigObjStore because we need
2604
3476
sections = self.store.get_sections()
2605
3477
# Walk the revisions in the order provided
3478
for store, s in sections:
2607
3479
if self.match(s):
2610
def match(self, secion):
3482
def match(self, section):
3483
"""Does the proposed section match.
3485
:param section: A Section object.
3487
:returns: True if the section matches, False otherwise.
2611
3489
raise NotImplementedError(self.match)
3492
class NameMatcher(SectionMatcher):
3494
def __init__(self, store, section_id):
3495
super(NameMatcher, self).__init__(store)
3496
self.section_id = section_id
3498
def match(self, section):
3499
return section.id == self.section_id
2614
3502
class LocationSection(Section):
2616
def __init__(self, section, length, extra_path):
3504
def __init__(self, section, extra_path, branch_name=None):
2617
3505
super(LocationSection, self).__init__(section.id, section.options)
2618
self.length = length
2619
3506
self.extra_path = extra_path
3507
if branch_name is None:
3509
self.locals = {'relpath': extra_path,
3510
'basename': urlutils.basename(extra_path),
3511
'branchname': branch_name}
2621
def get(self, name, default=None):
3513
def get(self, name, default=None, expand=True):
2622
3514
value = super(LocationSection, self).get(name, default)
2623
if value is not None:
3515
if value is not None and expand:
2624
3516
policy_name = self.get(name + ':policy', None)
2625
3517
policy = _policy_value.get(policy_name, POLICY_NONE)
2626
3518
if policy == POLICY_APPENDPATH:
2627
3519
value = urlutils.join(value, self.extra_path)
3520
# expand section local options right now (since POLICY_APPENDPATH
3521
# will never add options references, it's ok to expand after it).
3523
for is_ref, chunk in iter_option_refs(value):
3525
chunks.append(chunk)
3528
if ref in self.locals:
3529
chunks.append(self.locals[ref])
3531
chunks.append(chunk)
3532
value = ''.join(chunks)
3536
class StartingPathMatcher(SectionMatcher):
3537
"""Select sections for a given location respecting the Store order."""
3539
# FIXME: Both local paths and urls can be used for section names as well as
3540
# ``location`` to stay consistent with ``LocationMatcher`` which itself
3541
# inherited the fuzziness from the previous ``LocationConfig``
3542
# implementation. We probably need to revisit which encoding is allowed for
3543
# both ``location`` and section names and how we normalize
3544
# them. http://pad.lv/85479, http://pad.lv/437009 and http://359320 are
3545
# related too. -- vila 2012-01-04
3547
def __init__(self, store, location):
3548
super(StartingPathMatcher, self).__init__(store)
3549
if location.startswith('file://'):
3550
location = urlutils.local_path_from_url(location)
3551
self.location = location
3553
def get_sections(self):
3554
"""Get all sections matching ``location`` in the store.
3556
The most generic sections are described first in the store, then more
3557
specific ones can be provided for reduced scopes.
3559
The returned section are therefore returned in the reversed order so
3560
the most specific ones can be found first.
3562
location_parts = self.location.rstrip('/').split('/')
3565
# Later sections are more specific, they should be returned first
3566
for _, section in reversed(list(store.get_sections())):
3567
if section.id is None:
3568
# The no-name section is always included if present
3569
yield store, LocationSection(section, self.location)
3571
section_path = section.id
3572
if section_path.startswith('file://'):
3573
# the location is already a local path or URL, convert the
3574
# section id to the same format
3575
section_path = urlutils.local_path_from_url(section_path)
3576
if (self.location.startswith(section_path)
3577
or fnmatch.fnmatch(self.location, section_path)):
3578
section_parts = section_path.rstrip('/').split('/')
3579
extra_path = '/'.join(location_parts[len(section_parts):])
3580
yield store, LocationSection(section, extra_path)
2631
3583
class LocationMatcher(SectionMatcher):
2633
3585
def __init__(self, store, location):
2634
3586
super(LocationMatcher, self).__init__(store)
3587
url, params = urlutils.split_segment_parameters(location)
2635
3588
if location.startswith('file://'):
2636
3589
location = urlutils.local_path_from_url(location)
2637
3590
self.location = location
3591
branch_name = params.get('branch')
3592
if branch_name is None:
3593
self.branch_name = urlutils.basename(self.location)
3595
self.branch_name = urlutils.unescape(branch_name)
2639
3597
def _get_matching_sections(self):
2640
3598
"""Get all sections matching ``location``."""
2641
3599
# We slightly diverge from LocalConfig here by allowing the no-name
2642
3600
# section as the most generic one and the lower priority.
2643
3601
no_name_section = None
2645
3603
# Filter out the no_name_section so _iter_for_location_by_parts can be
2646
3604
# used (it assumes all sections have a name).
2647
for section in self.store.get_sections():
3605
for _, section in self.store.get_sections():
2648
3606
if section.id is None:
2649
3607
no_name_section = section
2651
sections.append(section)
3609
all_sections.append(section)
2652
3610
# Unfortunately _iter_for_location_by_parts deals with section names so
2653
3611
# we have to resync.
2654
3612
filtered_sections = _iter_for_location_by_parts(
2655
[s.id for s in sections], self.location)
2656
iter_sections = iter(sections)
3613
[s.id for s in all_sections], self.location)
3614
iter_all_sections = iter(all_sections)
2657
3615
matching_sections = []
2658
3616
if no_name_section is not None:
2659
3617
matching_sections.append(
2660
LocationSection(no_name_section, 0, self.location))
3618
(0, LocationSection(no_name_section, self.location)))
2661
3619
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))
3620
# a section id is unique for a given store so it's safe to take the
3621
# first matching section while iterating. Also, all filtered
3622
# sections are part of 'all_sections' and will always be found
3625
section = iter_all_sections.next()
3626
if section_id == section.id:
3627
section = LocationSection(section, extra_path,
3629
matching_sections.append((length, section))
2668
3631
return matching_sections
2670
3633
def get_sections(self):
2715
3693
option exists or get its value, which in turn may require to discover
2716
3694
in which sections it can be defined. Both of these (section and option
2717
3695
existence) require loading the store (even partially).
3697
:param name: The queried option.
3699
:param expand: Whether options references should be expanded.
3701
:param convert: Whether the option value should be converted from
3702
unicode (do nothing for non-registered options).
3704
:returns: The value of the option.
2719
3706
# 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:
3708
found_store = None # Where the option value has been found
3709
# If the option is registered, it may provide additional info about
3712
opt = option_registry.get(name)
3717
def expand_and_convert(val):
3718
# This may need to be called in different contexts if the value is
3719
# None or ends up being None during expansion or conversion.
3722
if isinstance(val, basestring):
3723
val = self._expand_options_in_string(val)
3725
trace.warning('Cannot expand "%s":'
3726
' %s does not support option expansion'
3727
% (name, type(val)))
3729
val = found_store.unquote(val)
3731
val = opt.convert_from_unicode(found_store, val)
3734
# First of all, check if the environment can override the configuration
3736
if opt is not None and opt.override_from_env:
3737
value = opt.get_override()
3738
value = expand_and_convert(value)
3740
for store, section in self.iter_sections():
2732
3741
value = section.get(name)
2733
3742
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)
3745
value = expand_and_convert(value)
3746
if opt is not None and value is None:
3747
# If the option is registered, it may provide a default value
2745
3748
value = opt.get_default()
3749
value = expand_and_convert(value)
2746
3750
for hook in ConfigHooks['get']:
2747
3751
hook(self, name, value)
3754
def expand_options(self, string, env=None):
3755
"""Expand option references in the string in the configuration context.
3757
:param string: The string containing option(s) to expand.
3759
:param env: An option dict defining additional configuration options or
3760
overriding existing ones.
3762
:returns: The expanded string.
3764
return self._expand_options_in_string(string, env)
3766
def _expand_options_in_string(self, string, env=None, _refs=None):
3767
"""Expand options in the string in the configuration context.
3769
:param string: The string to be expanded.
3771
:param env: An option dict defining additional configuration options or
3772
overriding existing ones.
3774
:param _refs: Private list (FIFO) containing the options being expanded
3777
:returns: The expanded string.
3780
# Not much to expand there
3783
# What references are currently resolved (to detect loops)
3786
# We need to iterate until no more refs appear ({{foo}} will need two
3787
# iterations for example).
3792
for is_ref, chunk in iter_option_refs(result):
3794
chunks.append(chunk)
3799
raise errors.OptionExpansionLoop(string, _refs)
3801
value = self._expand_option(name, env, _refs)
3803
raise errors.ExpandingUnknownOption(name, string)
3804
chunks.append(value)
3806
result = ''.join(chunks)
3809
def _expand_option(self, name, env, _refs):
3810
if env is not None and name in env:
3811
# Special case, values provided in env takes precedence over
3815
value = self.get(name, expand=False, convert=False)
3816
value = self._expand_options_in_string(value, env, _refs)
2750
3819
def _get_mutable_section(self):
2751
3820
"""Get the MutableSection for the Stack.
2753
3822
This is where we guarantee that the mutable section is lazily loaded:
2754
3823
this means we won't load the corresponding store before setting a value
2755
3824
or deleting an option. In practice the store will often be loaded but
2756
this allows helps catching some programming errors.
3825
this helps catching some programming errors.
2758
section = self.store.get_mutable_section(self.mutable_section_name)
3828
section = store.get_mutable_section(self.mutable_section_id)
3829
return store, section
2761
3831
def set(self, name, value):
2762
3832
"""Set a new value for the option."""
2763
section = self._get_mutable_section()
2764
section.set(name, value)
3833
store, section = self._get_mutable_section()
3834
section.set(name, store.quote(value))
2765
3835
for hook in ConfigHooks['set']:
2766
3836
hook(self, name, value)
2768
3838
def remove(self, name):
2769
3839
"""Remove an existing option."""
2770
section = self._get_mutable_section()
3840
_, section = self._get_mutable_section()
2771
3841
section.remove(name)
2772
3842
for hook in ConfigHooks['remove']:
2773
3843
hook(self, name)
2800
3935
# Force a write to persistent storage
2801
3936
self.store.save()
2804
class GlobalStack(_CompatibleStack):
3938
def remove(self, name):
3941
super(_CompatibleStack, self).remove(name)
3942
# Force a write to persistent storage
3946
class GlobalStack(Stack):
3947
"""Global options only stack.
3949
The following sections are queried:
3951
* command-line overrides,
3953
* the 'DEFAULT' section in bazaar.conf
3955
This stack will use the ``DEFAULT`` section in bazaar.conf as its
2806
3959
def __init__(self):
2808
gstore = GlobalStore()
2809
super(GlobalStack, self).__init__([gstore.get_sections], gstore)
2812
class LocationStack(_CompatibleStack):
3960
gstore = self.get_shared_store(GlobalStore())
3961
super(GlobalStack, self).__init__(
3962
[self._get_overrides,
3963
NameMatcher(gstore, 'DEFAULT').get_sections],
3964
gstore, mutable_section_id='DEFAULT')
3967
class LocationStack(Stack):
3968
"""Per-location options falling back to global options stack.
3971
The following sections are queried:
3973
* command-line overrides,
3975
* the sections matching ``location`` in ``locations.conf``, the order being
3976
defined by the number of path components in the section glob, higher
3977
numbers first (from most specific section to most generic).
3979
* the 'DEFAULT' section in bazaar.conf
3981
This stack will use the ``location`` section in locations.conf as its
2814
3985
def __init__(self, location):
2815
lstore = LocationStore()
2816
matcher = LocationMatcher(lstore, location)
2817
gstore = GlobalStore()
3986
"""Make a new stack for a location and global configuration.
3988
:param location: A URL prefix to """
3989
lstore = self.get_shared_store(LocationStore())
3990
if location.startswith('file://'):
3991
location = urlutils.local_path_from_url(location)
3992
gstore = self.get_shared_store(GlobalStore())
2818
3993
super(LocationStack, self).__init__(
2819
[matcher.get_sections, gstore.get_sections], lstore)
2821
class BranchStack(_CompatibleStack):
3994
[self._get_overrides,
3995
LocationMatcher(lstore, location).get_sections,
3996
NameMatcher(gstore, 'DEFAULT').get_sections],
3997
lstore, mutable_section_id=location)
4000
class BranchStack(Stack):
4001
"""Per-location options falling back to branch then global options stack.
4003
The following sections are queried:
4005
* command-line overrides,
4007
* the sections matching ``location`` in ``locations.conf``, the order being
4008
defined by the number of path components in the section glob, higher
4009
numbers first (from most specific section to most generic),
4011
* the no-name section in branch.conf,
4013
* the ``DEFAULT`` section in ``bazaar.conf``.
4015
This stack will use the no-name section in ``branch.conf`` as its
2823
4019
def __init__(self, branch):
2824
bstore = BranchStore(branch)
2825
lstore = LocationStore()
2826
matcher = LocationMatcher(lstore, branch.base)
2827
gstore = GlobalStore()
4020
lstore = self.get_shared_store(LocationStore())
4021
bstore = branch._get_config_store()
4022
gstore = self.get_shared_store(GlobalStore())
2828
4023
super(BranchStack, self).__init__(
2829
[matcher.get_sections, bstore.get_sections, gstore.get_sections],
2831
self.branch = branch
4024
[self._get_overrides,
4025
LocationMatcher(lstore, branch.base).get_sections,
4026
NameMatcher(bstore, None).get_sections,
4027
NameMatcher(gstore, 'DEFAULT').get_sections],
4029
self.branch = branch
4031
def lock_write(self, token=None):
4032
return self.branch.lock_write(token)
4035
return self.branch.unlock()
4038
def set(self, name, value):
4039
super(BranchStack, self).set(name, value)
4040
# Unlocking the branch will trigger a store.save_changes() so the last
4041
# unlock saves all the changes.
4044
def remove(self, name):
4045
super(BranchStack, self).remove(name)
4046
# Unlocking the branch will trigger a store.save_changes() so the last
4047
# unlock saves all the changes.
4050
class RemoteControlStack(Stack):
4051
"""Remote control-only options stack."""
4053
# FIXME 2011-11-22 JRV This should probably be renamed to avoid confusion
4054
# with the stack used for remote bzr dirs. RemoteControlStack only uses
4055
# control.conf and is used only for stack options.
4057
def __init__(self, bzrdir):
4058
cstore = bzrdir._get_config_store()
4059
super(RemoteControlStack, self).__init__(
4060
[NameMatcher(cstore, None).get_sections],
4062
self.bzrdir = bzrdir
4065
class BranchOnlyStack(Stack):
4066
"""Branch-only options stack."""
4068
# FIXME: _BranchOnlyStack only uses branch.conf and is used only for the
4069
# stacked_on_location options waiting for http://pad.lv/832042 to be fixed.
4070
# -- vila 2011-12-16
4072
def __init__(self, branch):
4073
bstore = branch._get_config_store()
4074
super(BranchOnlyStack, self).__init__(
4075
[NameMatcher(bstore, None).get_sections],
4077
self.branch = branch
4079
def lock_write(self, token=None):
4080
return self.branch.lock_write(token)
4083
return self.branch.unlock()
4086
def set(self, name, value):
4087
super(BranchOnlyStack, self).set(name, value)
4088
# Force a write to persistent storage
4089
self.store.save_changes()
4092
def remove(self, name):
4093
super(BranchOnlyStack, self).remove(name)
4094
# Force a write to persistent storage
4095
self.store.save_changes()
2834
4098
class cmd_config(commands.Command):
2835
4099
__doc__ = """Display, set or remove a configuration option.
2837
Display the active value for a given option.
4101
Display the active value for option NAME.
2839
4103
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
4104
matching options are displayed mentioning their scope and without resolving
4105
option references in the value). The active value that bzr will take into
4106
account is the first one displayed for each option.
4108
If NAME is not given, --all .* is implied (all options are displayed for the
4111
Setting a value is achieved by using NAME=value without spaces. The value
2846
4112
is set in the most relevant scope and can be checked by displaying the
4115
Removing a value is achieved by using --remove NAME.
2850
4118
takes_args = ['name?']