73
72
arguments can be given. The first is for generic "user" errors which
74
73
are not intended to be caught and so do not need a specific subclass.
75
74
The second case is for use with subclasses that provide a _fmt format
76
string to print the arguments.
75
string to print the arguments.
78
Keyword arguments are taken as parameters to the error, which can
79
be inserted into the format string template. It's recommended
80
that subclasses override the __init__ method to require specific
77
Keyword arguments are taken as parameters to the error, which can
78
be inserted into the format string template. It's recommended
79
that subclasses override the __init__ method to require specific
83
82
:param msg: If given, this is the literal complete text for the error,
84
not subject to expansion.
83
not subject to expansion. 'msg' is used instead of 'message' because
84
python evolved and, in 2.6, forbids the use of 'message'.
86
86
StandardError.__init__(self)
87
87
if msg is not None:
690
700
# TODO: This is given a URL; we try to unescape it but doing that from inside
691
701
# the exception object is a bit undesirable.
692
# TODO: Probably this behavior of should be a common superclass
702
# TODO: Probably this behavior of should be a common superclass
693
703
class NotBranchError(PathError):
695
_fmt = 'Not a branch: "%(path)s".'
705
_fmt = 'Not a branch: "%(path)s"%(detail)s.'
697
def __init__(self, path):
707
def __init__(self, path, detail=None, bzrdir=None):
698
708
import bzrlib.urlutils as urlutils
699
self.path = urlutils.unescape_for_display(path, 'ascii')
709
path = urlutils.unescape_for_display(path, 'ascii')
710
if detail is not None:
711
detail = ': ' + detail
714
PathError.__init__(self, path=path)
717
return '<%s %r>' % (self.__class__.__name__, self.__dict__)
720
# XXX: Ideally self.detail would be a property, but Exceptions in
721
# Python 2.4 have to be old-style classes so properties don't work.
722
# Instead we override _format.
723
if self.detail is None:
724
if self.bzrdir is not None:
726
self.bzrdir.open_repository()
727
except NoRepositoryPresent:
730
# Just ignore unexpected errors. Raising arbitrary errors
731
# during str(err) can provoke strange bugs. Concretely
732
# Launchpad's codehosting managed to raise NotBranchError
733
# here, and then get stuck in an infinite loop/recursion
734
# trying to str() that error. All this error really cares
735
# about that there's no working repository there, and if
736
# open_repository() fails, there probably isn't.
739
self.detail = ': location is a repository'
742
return PathError._format(self)
702
745
class NoSubmitBranch(PathError):
1226
1296
not_ancestor_id=not_ancestor_id)
1229
class InstallFailed(BzrError):
1231
def __init__(self, revisions):
1232
revision_str = ", ".join(str(r) for r in revisions)
1233
msg = "Could not install revisions:\n%s" % revision_str
1234
BzrError.__init__(self, msg)
1235
self.revisions = revisions
1238
1299
class AmbiguousBase(BzrError):
1240
1301
def __init__(self, bases):
1241
warn("BzrError AmbiguousBase has been deprecated as of bzrlib 0.8.",
1302
symbol_versioning.warn("BzrError AmbiguousBase has been deprecated "
1303
"as of bzrlib 0.8.", DeprecationWarning, stacklevel=2)
1243
1304
msg = ("The correct base is unclear, because %s are all equally close"
1244
1305
% ", ".join(bases))
1245
1306
BzrError.__init__(self, msg)
1470
1547
self.options = options
1550
class RetryWithNewPacks(BzrError):
1551
"""Raised when we realize that the packs on disk have changed.
1553
This is meant as more of a signaling exception, to trap between where a
1554
local error occurred and the code that can actually handle the error and
1555
code that can retry appropriately.
1558
internal_error = True
1560
_fmt = ("Pack files have changed, reload and retry. context: %(context)s"
1563
def __init__(self, context, reload_occurred, exc_info):
1564
"""create a new RetryWithNewPacks error.
1566
:param reload_occurred: Set to True if we know that the packs have
1567
already been reloaded, and we are failing because of an in-memory
1568
cache miss. If set to True then we will ignore if a reload says
1569
nothing has changed, because we assume it has already reloaded. If
1570
False, then a reload with nothing changed will force an error.
1571
:param exc_info: The original exception traceback, so if there is a
1572
problem we can raise the original error (value from sys.exc_info())
1574
BzrError.__init__(self)
1575
self.reload_occurred = reload_occurred
1576
self.exc_info = exc_info
1577
self.orig_error = exc_info[1]
1578
# TODO: The global error handler should probably treat this by
1579
# raising/printing the original exception with a bit about
1580
# RetryWithNewPacks also not being caught
1583
class RetryAutopack(RetryWithNewPacks):
1584
"""Raised when we are autopacking and we find a missing file.
1586
Meant as a signaling exception, to tell the autopack code it should try
1590
internal_error = True
1592
_fmt = ("Pack files have changed, reload and try autopack again."
1593
" context: %(context)s %(orig_error)s")
1473
1596
class NoSuchExportFormat(BzrError):
1475
1598
_fmt = "Export format %(format)r not supported"
1477
1600
def __init__(self, format):
1614
1745
_fmt = '%(source)s is%(permanently)s redirected to %(target)s'
1616
def __init__(self, source, target, is_permanent=False, qual_proto=None):
1747
def __init__(self, source, target, is_permanent=False):
1617
1748
self.source = source
1618
1749
self.target = target
1619
1750
if is_permanent:
1620
1751
self.permanently = ' permanently'
1622
1753
self.permanently = ''
1623
self._qualified_proto = qual_proto
1624
1754
TransportError.__init__(self)
1626
def _requalify_url(self, url):
1627
"""Restore the qualified proto in front of the url"""
1628
# When this exception is raised, source and target are in
1629
# user readable format. But some transports may use a
1630
# different proto (http+urllib:// will present http:// to
1631
# the user. If a qualified proto is specified, the code
1632
# trapping the exception can get the qualified urls to
1633
# properly handle the redirection themself (creating a
1634
# new transport object from the target url for example).
1635
# But checking that the scheme of the original and
1636
# redirected urls are the same can be tricky. (see the
1637
# FIXME in BzrDir.open_from_transport for the unique use
1639
if self._qualified_proto is None:
1642
# The TODO related to NotBranchError mention that doing
1643
# that kind of manipulation on the urls may not be the
1644
# exception object job. On the other hand, this object is
1645
# the interface between the code and the user so
1646
# presenting the urls in different ways is indeed its
1649
proto, netloc, path, query, fragment = urlparse.urlsplit(url)
1650
return urlparse.urlunsplit((self._qualified_proto, netloc, path,
1653
def get_source_url(self):
1654
return self._requalify_url(self.source)
1656
def get_target_url(self):
1657
return self._requalify_url(self.target)
1660
1757
class TooManyRedirections(TransportError):
1859
1956
_fmt = "Moving the root directory is not supported at this time"
1959
class TransformRenameFailed(BzrError):
1961
_fmt = "Failed to rename %(from_path)s to %(to_path)s: %(why)s"
1963
def __init__(self, from_path, to_path, why, errno):
1964
self.from_path = from_path
1965
self.to_path = to_path
1862
1970
class BzrMoveFailedError(BzrError):
1864
_fmt = "Could not move %(from_path)s%(operator)s %(to_path)s%(extra)s"
1972
_fmt = ("Could not move %(from_path)s%(operator)s %(to_path)s"
1973
"%(_has_extra)s%(extra)s")
1866
1975
def __init__(self, from_path='', to_path='', extra=None):
1976
from bzrlib.osutils import splitpath
1867
1977
BzrError.__init__(self)
1869
self.extra = ': ' + str(extra)
1979
self.extra, self._has_extra = extra, ': '
1981
self.extra = self._has_extra = ''
1873
1983
has_from = len(from_path) > 0
1874
1984
has_to = len(to_path) > 0
1876
self.from_path = osutils.splitpath(from_path)[-1]
1986
self.from_path = splitpath(from_path)[-1]
1878
1988
self.from_path = ''
1881
self.to_path = osutils.splitpath(to_path)[-1]
1991
self.to_path = splitpath(to_path)[-1]
1883
1993
self.to_path = ''
2132
2265
_fmt = "To use this feature you must upgrade your repository at %(path)s."
2268
class RichRootUpgradeRequired(UpgradeRequired):
2270
_fmt = ("To use this feature you must upgrade your branch at %(path)s to"
2271
" a format which supports rich roots.")
2135
2274
class LocalRequiresBoundBranch(BzrError):
2137
2276
_fmt = "Cannot perform local-only commits on unbound branches."
2140
class MissingProgressBarFinish(BzrError):
2142
_fmt = "A nested progress bar was not 'finished' correctly."
2145
class InvalidProgressBarType(BzrError):
2147
_fmt = ("Environment variable BZR_PROGRESS_BAR='%(bar_type)s"
2148
" is not a supported type Select one of: %(valid_types)s")
2150
def __init__(self, bar_type, valid_types):
2151
BzrError.__init__(self, bar_type=bar_type, valid_types=valid_types)
2154
2279
class UnsupportedOperation(BzrError):
2156
2281
_fmt = ("The method %(mname)s is not supported on"
2216
2341
self.text = text
2219
class MalformedHeader(BadBundle):
2344
class MalformedHeader(BadBundle):
2221
2346
_fmt = "Malformed bzr revision-bundle header: %(text)r"
2224
class MalformedPatches(BadBundle):
2349
class MalformedPatches(BadBundle):
2226
2351
_fmt = "Malformed patches in bzr revision-bundle: %(text)r"
2229
class MalformedFooter(BadBundle):
2354
class MalformedFooter(BadBundle):
2231
2356
_fmt = "Malformed footer in bzr revision-bundle: %(text)r"
2234
2359
class UnsupportedEOLMarker(BadBundle):
2236
_fmt = "End of line marker was not \\n in bzr revision-bundle"
2361
_fmt = "End of line marker was not \\n in bzr revision-bundle"
2238
2363
def __init__(self):
2239
# XXX: BadBundle's constructor assumes there's explanatory text,
2364
# XXX: BadBundle's constructor assumes there's explanatory text,
2240
2365
# but for this there is not
2241
2366
BzrError.__init__(self)
2244
2369
class IncompatibleBundleFormat(BzrError):
2246
2371
_fmt = "Bundle format %(bundle_format)s is incompatible with %(other)s"
2248
2373
def __init__(self, bundle_format, other):
2522
2659
self.error_args = error_tuple[1:]
2662
class UnknownErrorFromSmartServer(BzrError):
2663
"""An ErrorFromSmartServer could not be translated into a typical bzrlib
2666
This is distinct from ErrorFromSmartServer so that it is possible to
2667
distinguish between the following two cases:
2669
- ErrorFromSmartServer was uncaught. This is logic error in the client
2670
and so should provoke a traceback to the user.
2671
- ErrorFromSmartServer was caught but its error_tuple could not be
2672
translated. This is probably because the server sent us garbage, and
2673
should not provoke a traceback.
2676
_fmt = "Server sent an unexpected error: %(error_tuple)r"
2678
internal_error = False
2680
def __init__(self, error_from_smart_server):
2683
:param error_from_smart_server: An ErrorFromSmartServer instance.
2685
self.error_from_smart_server = error_from_smart_server
2686
self.error_tuple = error_from_smart_server.error_tuple
2525
2689
class ContainerError(BzrError):
2526
2690
"""Base class of container errors."""
2698
2874
class UncommittedChanges(BzrError):
2700
_fmt = 'Working tree "%(display_url)s" has uncommitted changes.'
2876
_fmt = ('Working tree "%(display_url)s" has uncommitted changes'
2877
' (See bzr status).%(more)s')
2702
def __init__(self, tree):
2879
def __init__(self, tree, more=None):
2703
2884
import bzrlib.urlutils as urlutils
2704
display_url = urlutils.unescape_for_display(
2705
tree.bzrdir.root_transport.base, 'ascii')
2706
BzrError.__init__(self, tree=tree, display_url=display_url)
2885
user_url = getattr(tree, "user_url", None)
2886
if user_url is None:
2887
display_url = str(tree)
2889
display_url = urlutils.unescape_for_display(user_url, 'ascii')
2890
BzrError.__init__(self, tree=tree, display_url=display_url, more=more)
2893
class ShelvedChanges(UncommittedChanges):
2895
_fmt = ('Working tree "%(display_url)s" has shelved changes'
2896
' (See bzr shelve --list).%(more)s')
2709
2899
class MissingTemplateVariable(BzrError):
2746
2936
class CommandAvailableInPlugin(StandardError):
2748
2938
internal_error = False
2750
2940
def __init__(self, cmd_name, plugin_metadata, provider):
2752
2942
self.plugin_metadata = plugin_metadata
2753
2943
self.cmd_name = cmd_name
2754
2944
self.provider = provider
2756
2946
def __str__(self):
2758
_fmt = ('"%s" is not a standard bzr command. \n'
2948
_fmt = ('"%s" is not a standard bzr command. \n'
2759
2949
'However, the following official plugin provides this command: %s\n'
2760
2950
'You can install it by going to: %s'
2761
% (self.cmd_name, self.plugin_metadata['name'],
2951
% (self.cmd_name, self.plugin_metadata['name'],
2762
2952
self.plugin_metadata['url']))
2767
2957
class NoPluginAvailable(BzrError):
2771
class NotATerminal(BzrError):
2773
_fmt = 'Unable to ask for a password without real terminal.'
2776
2961
class UnableEncodePath(BzrError):
2854
3063
"""A pre_change_branch_tip hook function may raise this to cleanly and
2855
3064
explicitly abort a change to a branch tip.
2858
3067
_fmt = u"Tip change rejected: %(msg)s"
2860
3069
def __init__(self, msg):
3073
class ShelfCorrupt(BzrError):
3075
_fmt = "Shelf corrupt."
3078
class NoSuchShelfId(BzrError):
3080
_fmt = 'No changes are shelved with id "%(shelf_id)d".'
3082
def __init__(self, shelf_id):
3083
BzrError.__init__(self, shelf_id=shelf_id)
3086
class InvalidShelfId(BzrError):
3088
_fmt = '"%(invalid_id)s" is not a valid shelf id, try a number instead.'
3090
def __init__(self, invalid_id):
3091
BzrError.__init__(self, invalid_id=invalid_id)
3094
class JailBreak(BzrError):
3096
_fmt = "An attempt to access a url outside the server jail was made: '%(url)s'."
3098
def __init__(self, url):
3099
BzrError.__init__(self, url=url)
3102
class UserAbort(BzrError):
3104
_fmt = 'The user aborted the operation.'
3107
class MustHaveWorkingTree(BzrError):
3109
_fmt = ("Branching '%(url)s'(%(format)s) must create a working tree.")
3111
def __init__(self, format, url):
3112
BzrError.__init__(self, format=format, url=url)
3115
class NoSuchView(BzrError):
3116
"""A view does not exist.
3119
_fmt = u"No such view: %(view_name)s."
3121
def __init__(self, view_name):
3122
self.view_name = view_name
3125
class ViewsNotSupported(BzrError):
3126
"""Views are not supported by a tree format.
3129
_fmt = ("Views are not supported by %(tree)s;"
3130
" use 'bzr upgrade' to change your tree to a later format.")
3132
def __init__(self, tree):
3136
class FileOutsideView(BzrError):
3138
_fmt = ('Specified file "%(file_name)s" is outside the current view: '
3141
def __init__(self, file_name, view_files):
3142
self.file_name = file_name
3143
self.view_str = ", ".join(view_files)
3146
class UnresumableWriteGroup(BzrError):
3148
_fmt = ("Repository %(repository)s cannot resume write group "
3149
"%(write_groups)r: %(reason)s")
3151
internal_error = True
3153
def __init__(self, repository, write_groups, reason):
3154
self.repository = repository
3155
self.write_groups = write_groups
3156
self.reason = reason
3159
class UnsuspendableWriteGroup(BzrError):
3161
_fmt = ("Repository %(repository)s cannot suspend a write group.")
3163
internal_error = True
3165
def __init__(self, repository):
3166
self.repository = repository
3169
class LossyPushToSameVCS(BzrError):
3171
_fmt = ("Lossy push not possible between %(source_branch)r and "
3172
"%(target_branch)r that are in the same VCS.")
3174
internal_error = True
3176
def __init__(self, source_branch, target_branch):
3177
self.source_branch = source_branch
3178
self.target_branch = target_branch
3181
class NoRoundtrippingSupport(BzrError):
3183
_fmt = ("Roundtripping is not supported between %(source_branch)r and "
3184
"%(target_branch)r.")
3186
internal_error = True
3188
def __init__(self, source_branch, target_branch):
3189
self.source_branch = source_branch
3190
self.target_branch = target_branch
3193
class FileTimestampUnavailable(BzrError):
3195
_fmt = "The filestamp for %(path)s is not available."
3197
internal_error = True
3199
def __init__(self, path):
3203
class NoColocatedBranchSupport(BzrError):
3205
_fmt = ("%(bzrdir)r does not support co-located branches.")
3207
def __init__(self, bzrdir):
3208
self.bzrdir = bzrdir
3211
class NoWhoami(BzrError):
3213
_fmt = ('Unable to determine your name.\n'
3214
"Please, set your name with the 'whoami' command.\n"
3215
'E.g. bzr whoami "Your Name <name@example.com>"')
3218
class InvalidPattern(BzrError):
3220
_fmt = ('Invalid pattern(s) found. %(msg)s')
3222
def __init__(self, msg):
3226
class RecursiveBind(BzrError):
3228
_fmt = ('Branch "%(branch_url)s" appears to be bound to itself. '
3229
'Please use `bzr unbind` to fix.')
3231
def __init__(self, branch_url):
3232
self.branch_url = branch_url
3235
# FIXME: I would prefer to define the config related exception classes in
3236
# config.py but the lazy import mechanism proscribes this -- vila 20101222
3237
class OptionExpansionLoop(BzrError):
3239
_fmt = 'Loop involving %(refs)r while expanding "%(string)s".'
3241
def __init__(self, string, refs):
3242
self.string = string
3243
self.refs = '->'.join(refs)
3246
class ExpandingUnknownOption(BzrError):
3248
_fmt = 'Option %(name)s is not defined while expanding "%(string)s".'
3250
def __init__(self, name, string):
3252
self.string = string
3255
class NoCompatibleInter(BzrError):
3257
_fmt = ('No compatible object available for operations from %(source)r '
3260
def __init__(self, source, target):
3261
self.source = source
3262
self.target = target