author | Augie Fackler <augie@google.com> |
Sun, 17 May 2015 21:12:33 -0400 | |
changeset 25157 | a8d22895a575 |
parent 24217 | d2b81256db1e |
child 25242 | 8de7d1d937b3 |
permissions | -rw-r--r-- |
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# error.py - Mercurial exceptions |
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# |
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# Copyright 2005-2008 Matt Mackall <mpm@selenic.com> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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"""Mercurial exceptions. |
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|
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This allows us to catch exceptions at higher levels without forcing |
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imports. |
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""" |
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# Do not import anything here, please |
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class RevlogError(Exception): |
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pass |
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class FilteredIndexError(IndexError): |
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pass |
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class LookupError(RevlogError, KeyError): |
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def __init__(self, name, index, message): |
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self.name = name |
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self.index = index |
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# this can't be called 'message' because at least some installs of |
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# Python 2.6+ complain about the 'message' property being deprecated |
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self.lookupmessage = message |
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if isinstance(name, str) and len(name) == 20: |
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from node import short |
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name = short(name) |
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RevlogError.__init__(self, '%s@%s: %s' % (index, name, message)) |
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def __str__(self): |
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return RevlogError.__str__(self) |
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class FilteredLookupError(LookupError): |
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pass |
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class ManifestLookupError(LookupError): |
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pass |
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class CommandError(Exception): |
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"""Exception raised on errors in parsing the command line.""" |
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class InterventionRequired(Exception): |
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"""Exception raised when a command requires human intervention.""" |
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class Abort(Exception): |
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"""Raised if a command needs to print an error and exit.""" |
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def __init__(self, *args, **kw): |
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Exception.__init__(self, *args) |
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self.hint = kw.get('hint') |
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class HookAbort(Abort): |
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"""raised when a validation hook fails, aborting an operation |
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Exists to allow more specialized catching.""" |
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pass |
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class ConfigError(Abort): |
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"""Exception raised when parsing config files""" |
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class OutOfBandError(Exception): |
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"""Exception raised when a remote repo reports failure""" |
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class ParseError(Exception): |
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"""Raised when parsing config files and {rev,file}sets (msg[, pos])""" |
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class UnknownIdentifier(ParseError): |
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"""Exception raised when a {rev,file}set references an unknown identifier""" |
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def __init__(self, function, symbols): |
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from i18n import _ |
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ParseError.__init__(self, _("unknown identifier: %s") % function) |
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self.function = function |
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self.symbols = symbols |
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class RepoError(Exception): |
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def __init__(self, *args, **kw): |
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Exception.__init__(self, *args) |
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self.hint = kw.get('hint') |
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class RepoLookupError(RepoError): |
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pass |
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class FilteredRepoLookupError(RepoLookupError): |
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pass |
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class CapabilityError(RepoError): |
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pass |
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class RequirementError(RepoError): |
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"""Exception raised if .hg/requires has an unknown entry.""" |
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pass |
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class LockError(IOError): |
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def __init__(self, errno, strerror, filename, desc): |
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IOError.__init__(self, errno, strerror, filename) |
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self.desc = desc |
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class LockHeld(LockError): |
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def __init__(self, errno, filename, desc, locker): |
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LockError.__init__(self, errno, 'Lock held', filename, desc) |
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self.locker = locker |
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class LockUnavailable(LockError): |
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pass |
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class ResponseError(Exception): |
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"""Raised to print an error with part of output and exit.""" |
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class UnknownCommand(Exception): |
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"""Exception raised if command is not in the command table.""" |
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class AmbiguousCommand(Exception): |
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"""Exception raised if command shortcut matches more than one command.""" |
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# derived from KeyboardInterrupt to simplify some breakout code |
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class SignalInterrupt(KeyboardInterrupt): |
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"""Exception raised on SIGTERM and SIGHUP.""" |
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class SignatureError(Exception): |
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pass |
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class PushRaced(RuntimeError): |
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"""An exception raised during unbundling that indicate a push race""" |
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# bundle2 related errors |
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class BundleValueError(ValueError): |
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"""error raised when bundle2 cannot be processed""" |
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class UnsupportedPartError(BundleValueError): |
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def __init__(self, parttype=None, params=()): |
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self.parttype = parttype |
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self.params = params |
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if self.parttype is None: |
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msg = 'Stream Parameter' |
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else: |
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msg = parttype |
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if self.params: |
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msg = '%s - %s' % (msg, ', '.join(self.params)) |
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ValueError.__init__(self, msg) |
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class ReadOnlyPartError(RuntimeError): |
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"""error raised when code tries to alter a part being generated""" |
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pass |
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class CensoredNodeError(RevlogError): |
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"""error raised when content verification fails on a censored node |
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Also contains the tombstone data substituted for the uncensored data. |
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""" |
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def __init__(self, filename, node, tombstone): |
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from node import short |
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RevlogError.__init__(self, '%s:%s' % (filename, short(node))) |
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self.tombstone = tombstone |
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class CensoredBaseError(RevlogError): |
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"""error raised when a delta is rejected because its base is censored |
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A delta based on a censored revision must be formed as single patch |
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operation which replaces the entire base with new content. This ensures |
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the delta may be applied by clones which have not censored the base. |
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""" |