mercurial/error.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Tue, 13 Apr 2021 15:13:20 +0200
changeset 46914 50b79f8b802d
parent 46899 8b6e36e4b553
child 46975 14ddb1dca2c0
permissions -rw-r--r--
outgoing: move filtering logic in its own function This move code dedicated to a single purpose together and make the main code simpler. Right when we are getting ready to make it more complex :-D Differential Revision: https://phab.mercurial-scm.org/D10382
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# error.py - Mercurial exceptions
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#
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# Copyright 2005-2008 Olivia Mackall <olivia@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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This allows us to catch exceptions at higher levels without forcing
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imports.
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"""
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from __future__ import absolute_import
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import difflib
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# Do not import anything but pycompat here, please
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from . import pycompat
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if pycompat.TYPE_CHECKING:
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    from typing import (
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        Any,
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        AnyStr,
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        Iterable,
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        List,
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        Optional,
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        Sequence,
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        Union,
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    )
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def _tobytes(exc):
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    """Byte-stringify exception in the same way as BaseException_str()"""
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    if not exc.args:
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        return b''
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    if len(exc.args) == 1:
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        return pycompat.bytestr(exc.args[0])
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    return b'(%s)' % b', '.join(b"'%s'" % pycompat.bytestr(a) for a in exc.args)
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class Hint(object):
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    """Mix-in to provide a hint of an error
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    This should come first in the inheritance list to consume a hint and
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    pass remaining arguments to the exception class.
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    """
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    def __init__(self, *args, **kw):
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        self.hint = kw.pop('hint', None)
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        super(Hint, self).__init__(*args, **kw)
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class StorageError(Hint, Exception):
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    """Raised when an error occurs in a storage layer.
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    Usually subclassed by a storage-specific exception.
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    """
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    __bytes__ = _tobytes
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class RevlogError(StorageError):
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    pass
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class SidedataHashError(RevlogError):
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    def __init__(self, key, expected, got):
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        self.hint = None
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        self.sidedatakey = key
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        self.expecteddigest = expected
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        self.actualdigest = got
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class FilteredIndexError(IndexError):
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    __bytes__ = _tobytes
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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, bytes) and len(name) == 20:
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            from .node import hex
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            name = hex(name)
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        # if name is a binary node, it can be None
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        RevlogError.__init__(
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            self, b'%s@%s: %s' % (index, pycompat.bytestr(name), message)
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        )
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    def __bytes__(self):
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        return RevlogError.__bytes__(self)
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    def __str__(self):
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        return RevlogError.__str__(self)
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class AmbiguousPrefixLookupError(LookupError):
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    pass
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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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    def __init__(self, command, message):
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        # type: (bytes, bytes) -> None
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        self.command = command
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        self.message = message
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        super(CommandError, self).__init__()
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    __bytes__ = _tobytes
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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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    def __init__(self, command, all_commands=None):
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        # type: (bytes, Optional[List[bytes]]) -> None
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        self.command = command
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        self.all_commands = all_commands
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        super(UnknownCommand, self).__init__()
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    __bytes__ = _tobytes
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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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    def __init__(self, prefix, matches):
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        # type: (bytes, List[bytes]) -> None
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        self.prefix = prefix
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        self.matches = matches
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        super(AmbiguousCommand, self).__init__()
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    __bytes__ = _tobytes
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class WorkerError(Exception):
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    """Exception raised when a worker process dies."""
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    def __init__(self, status_code):
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        # type: (int) -> None
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        self.status_code = status_code
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        # Pass status code to superclass just so it becomes part of __bytes__
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        super(WorkerError, self).__init__(status_code)
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    __bytes__ = _tobytes
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class InterventionRequired(Hint, Exception):
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    """Exception raised when a command requires human intervention."""
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    __bytes__ = _tobytes
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class ConflictResolutionRequired(InterventionRequired):
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    """Exception raised when a continuable command required merge conflict resolution."""
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    def __init__(self, opname):
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        # type: (bytes) -> None
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        from .i18n import _
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        self.opname = opname
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        InterventionRequired.__init__(
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            self,
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            _(
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                b"unresolved conflicts (see 'hg resolve', then 'hg %s --continue')"
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            )
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            % opname,
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        )
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class Abort(Hint, Exception):
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    """Raised if a command needs to print an error and exit."""
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    def __init__(self, message, hint=None):
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        # type: (bytes, Optional[bytes]) -> None
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        self.message = message
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        self.hint = hint
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        # Pass the message into the Exception constructor to help extensions
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        # that look for exc.args[0].
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        Exception.__init__(self, message)
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    def __bytes__(self):
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        return self.message
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    if pycompat.ispy3:
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        def __str__(self):
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            # the output would be unreadable if the message was translated,
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            # but do not replace it with encoding.strfromlocal(), which
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            # may raise another exception.
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            return pycompat.sysstr(self.__bytes__())
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    def format(self):
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        # type: () -> bytes
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        from .i18n import _
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        message = _(b"abort: %s\n") % self.message
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        if self.hint:
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            message += _(b"(%s)\n") % self.hint
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        return message
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class InputError(Abort):
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    """Indicates that the user made an error in their input.
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    Examples: Invalid command, invalid flags, invalid revision.
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    """
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class StateError(Abort):
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    """Indicates that the operation might work if retried in a different state.
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    Examples: Unresolved merge conflicts, unfinished operations.
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    """
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class CanceledError(Abort):
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    """Indicates that the user canceled the operation.
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    Examples: Close commit editor with error status, quit chistedit.
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    """
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class SecurityError(Abort):
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    """Indicates that some aspect of security failed.
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    Examples: Bad server credentials, expired local credentials for network
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    filesystem, mismatched GPG signature, DoS protection.
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    """
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class HookLoadError(Abort):
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    """raised when loading a hook fails, aborting an operation
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    Exists to allow more specialized catching."""
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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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class ConfigError(Abort):
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    """Exception raised when parsing config files"""
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    def __init__(self, message, location=None, hint=None):
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        # type: (bytes, Optional[bytes], Optional[bytes]) -> None
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        super(ConfigError, self).__init__(message, hint=hint)
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        self.location = location
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    def format(self):
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        # type: () -> bytes
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        from .i18n import _
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        if self.location is not None:
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            message = _(b"config error at %s: %s\n") % (
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                pycompat.bytestr(self.location),
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                self.message,
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            )
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        else:
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            message = _(b"config error: %s\n") % self.message
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        if self.hint:
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            message += _(b"(%s)\n") % self.hint
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        return message
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class UpdateAbort(Abort):
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    """Raised when an update is aborted for destination issue"""
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class MergeDestAbort(Abort):
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    """Raised when an update is aborted for destination issues"""
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class NoMergeDestAbort(MergeDestAbort):
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    """Raised when an update is aborted because there is nothing to merge"""
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class ManyMergeDestAbort(MergeDestAbort):
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    """Raised when an update is aborted because destination is ambiguous"""
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class ResponseExpected(Abort):
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    """Raised when an EOF is received for a prompt"""
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    def __init__(self):
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        from .i18n import _
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        Abort.__init__(self, _(b'response expected'))
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class OutOfBandError(Hint, Exception):
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    """Exception raised when a remote repo reports failure"""
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    __bytes__ = _tobytes
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class ParseError(Abort):
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    """Raised when parsing config files and {rev,file}sets (msg[, pos])"""
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    def __init__(self, message, location=None, hint=None):
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        # type: (bytes, Optional[Union[bytes, int]], Optional[bytes]) -> None
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        super(ParseError, self).__init__(message, hint=hint)
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        self.location = location
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    def format(self):
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        # type: () -> bytes
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        from .i18n import _
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   324
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        if self.location is not None:
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            message = _(b"hg: parse error at %s: %s\n") % (
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                pycompat.bytestr(self.location),
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                self.message,
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   329
            )
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        else:
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            message = _(b"hg: parse error: %s\n") % self.message
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        if self.hint:
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            message += _(b"(%s)\n") % self.hint
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        return message
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class PatchError(Exception):
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    __bytes__ = _tobytes
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def getsimilar(symbols, value):
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    # type: (Iterable[bytes], bytes) -> List[bytes]
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    sim = lambda x: difflib.SequenceMatcher(None, value, x).ratio()
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    # The cutoff for similarity here is pretty arbitrary. It should
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    # probably be investigated and tweaked.
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    return [s for s in symbols if sim(s) > 0.6]
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   347
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   348
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def similarity_hint(similar):
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    # type: (List[bytes]) -> Optional[bytes]
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    from .i18n import _
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   352
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   353
    if len(similar) == 1:
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   354
        return _(b"did you mean %s?") % similar[0]
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   355
    elif similar:
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   356
        ss = b", ".join(sorted(similar))
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        return _(b"did you mean one of %s?") % ss
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   358
    else:
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   359
        return None
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   361
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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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   364
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   365
    def __init__(self, function, symbols):
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        # type: (bytes, Iterable[bytes]) -> None
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        from .i18n import _
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        similar = getsimilar(symbols, function)
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        hint = similarity_hint(similar)
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   371
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        ParseError.__init__(
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   373
            self, _(b"unknown identifier: %s") % function, hint=hint
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        )
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class RepoError(Hint, Exception):
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    __bytes__ = _tobytes
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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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   387
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   388
7637
1d54e2f6c0b7 error: move repo errors
Matt Mackall <mpm@selenic.com>
parents: 7636
diff changeset
   389
class CapabilityError(RepoError):
1d54e2f6c0b7 error: move repo errors
Matt Mackall <mpm@selenic.com>
parents: 7636
diff changeset
   390
    pass
7640
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   391
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   392
13447
931a72e00efa introduce new RequirementError (issue2649)
Adrian Buehlmann <adrian@cadifra.com>
parents: 11574
diff changeset
   393
class RequirementError(RepoError):
931a72e00efa introduce new RequirementError (issue2649)
Adrian Buehlmann <adrian@cadifra.com>
parents: 11574
diff changeset
   394
    """Exception raised if .hg/requires has an unknown entry."""
931a72e00efa introduce new RequirementError (issue2649)
Adrian Buehlmann <adrian@cadifra.com>
parents: 11574
diff changeset
   395
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   396
31959
b445a3f00528 stdio: add machinery to identify failed stdout/stderr writes
Bryan O'Sullivan <bryano@fb.com>
parents: 31503
diff changeset
   397
class StdioError(IOError):
b445a3f00528 stdio: add machinery to identify failed stdout/stderr writes
Bryan O'Sullivan <bryano@fb.com>
parents: 31503
diff changeset
   398
    """Raised if I/O to stdout or stderr fails"""
b445a3f00528 stdio: add machinery to identify failed stdout/stderr writes
Bryan O'Sullivan <bryano@fb.com>
parents: 31503
diff changeset
   399
b445a3f00528 stdio: add machinery to identify failed stdout/stderr writes
Bryan O'Sullivan <bryano@fb.com>
parents: 31503
diff changeset
   400
    def __init__(self, err):
46899
8b6e36e4b553 typing: add type hints to mercurial/error.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 46819
diff changeset
   401
        # type: (IOError) -> None
31959
b445a3f00528 stdio: add machinery to identify failed stdout/stderr writes
Bryan O'Sullivan <bryano@fb.com>
parents: 31503
diff changeset
   402
        IOError.__init__(self, err.errno, err.strerror)
b445a3f00528 stdio: add machinery to identify failed stdout/stderr writes
Bryan O'Sullivan <bryano@fb.com>
parents: 31503
diff changeset
   403
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   404
    # no __bytes__() because error message is derived from the standard IOError
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   405
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   406
26985
039a53c87370 error: add a structured exception for unsupported merge records
Siddharth Agarwal <sid0@fb.com>
parents: 26896
diff changeset
   407
class UnsupportedMergeRecords(Abort):
039a53c87370 error: add a structured exception for unsupported merge records
Siddharth Agarwal <sid0@fb.com>
parents: 26896
diff changeset
   408
    def __init__(self, recordtypes):
46899
8b6e36e4b553 typing: add type hints to mercurial/error.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 46819
diff changeset
   409
        # type: (Iterable[bytes]) -> None
26985
039a53c87370 error: add a structured exception for unsupported merge records
Siddharth Agarwal <sid0@fb.com>
parents: 26896
diff changeset
   410
        from .i18n import _
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   411
26985
039a53c87370 error: add a structured exception for unsupported merge records
Siddharth Agarwal <sid0@fb.com>
parents: 26896
diff changeset
   412
        self.recordtypes = sorted(recordtypes)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   413
        s = b' '.join(self.recordtypes)
26985
039a53c87370 error: add a structured exception for unsupported merge records
Siddharth Agarwal <sid0@fb.com>
parents: 26896
diff changeset
   414
        Abort.__init__(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   415
            self,
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   416
            _(b'unsupported merge state records: %s') % s,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   417
            hint=_(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   418
                b'see https://mercurial-scm.org/wiki/MergeStateRecords for '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   419
                b'more information'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   420
            ),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   421
        )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   422
26985
039a53c87370 error: add a structured exception for unsupported merge records
Siddharth Agarwal <sid0@fb.com>
parents: 26896
diff changeset
   423
32596
19df975eb555 obsolete: raise richer exception on unknown version
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32402
diff changeset
   424
class UnknownVersion(Abort):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45915
diff changeset
   425
    """generic exception for aborting from an encounter with an unknown version"""
32596
19df975eb555 obsolete: raise richer exception on unknown version
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32402
diff changeset
   426
19df975eb555 obsolete: raise richer exception on unknown version
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32402
diff changeset
   427
    def __init__(self, msg, hint=None, version=None):
46899
8b6e36e4b553 typing: add type hints to mercurial/error.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 46819
diff changeset
   428
        # type: (bytes, Optional[bytes], Optional[bytes]) -> None
32596
19df975eb555 obsolete: raise richer exception on unknown version
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32402
diff changeset
   429
        self.version = version
19df975eb555 obsolete: raise richer exception on unknown version
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32402
diff changeset
   430
        super(UnknownVersion, self).__init__(msg, hint=hint)
19df975eb555 obsolete: raise richer exception on unknown version
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32402
diff changeset
   431
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   432
7640
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   433
class LockError(IOError):
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   434
    def __init__(self, errno, strerror, filename, desc):
46899
8b6e36e4b553 typing: add type hints to mercurial/error.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 46819
diff changeset
   435
        # TODO: figure out if this should be bytes or str
8b6e36e4b553 typing: add type hints to mercurial/error.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 46819
diff changeset
   436
        # _type: (int, str, str, bytes) -> None
7640
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   437
        IOError.__init__(self, errno, strerror, filename)
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   438
        self.desc = desc
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   439
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   440
    # no __bytes__() because error message is derived from the standard IOError
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   441
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   442
7640
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   443
class LockHeld(LockError):
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   444
    def __init__(self, errno, filename, desc, locker):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   445
        LockError.__init__(self, errno, b'Lock held', filename, desc)
7640
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   446
        self.locker = locker
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   447
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   448
7640
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   449
class LockUnavailable(LockError):
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   450
    pass
7641
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7640
diff changeset
   451
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   452
26355
f51713b8c6fa error: add an exception to indicate lock inheritance API contract violations
Siddharth Agarwal <sid0@fb.com>
parents: 25945
diff changeset
   453
# LockError is for errors while acquiring the lock -- this is unrelated
26438
024644b1900b error: make lock inheritance contract violations a subclass of RuntimeError
Siddharth Agarwal <sid0@fb.com>
parents: 26394
diff changeset
   454
class LockInheritanceContractViolation(RuntimeError):
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   455
    __bytes__ = _tobytes
26355
f51713b8c6fa error: add an exception to indicate lock inheritance API contract violations
Siddharth Agarwal <sid0@fb.com>
parents: 25945
diff changeset
   456
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   457
7641
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7640
diff changeset
   458
class ResponseError(Exception):
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7640
diff changeset
   459
    """Raised to print an error with part of output and exit."""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   460
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   461
    __bytes__ = _tobytes
7641
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7640
diff changeset
   462
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   463
7644
182b7114d35a error: move SignalInterrupt
Matt Mackall <mpm@selenic.com>
parents: 7643
diff changeset
   464
# derived from KeyboardInterrupt to simplify some breakout code
182b7114d35a error: move SignalInterrupt
Matt Mackall <mpm@selenic.com>
parents: 7643
diff changeset
   465
class SignalInterrupt(KeyboardInterrupt):
182b7114d35a error: move SignalInterrupt
Matt Mackall <mpm@selenic.com>
parents: 7643
diff changeset
   466
    """Exception raised on SIGTERM and SIGHUP."""
7646
e62a456b8dc5 error: move SignatureError
Matt Mackall <mpm@selenic.com>
parents: 7644
diff changeset
   467
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   468
7646
e62a456b8dc5 error: move SignatureError
Matt Mackall <mpm@selenic.com>
parents: 7644
diff changeset
   469
class SignatureError(Exception):
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   470
    __bytes__ = _tobytes
21184
28d76afa1568 bundle2: fix raising errors during heads checking
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 18931
diff changeset
   471
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   472
21184
28d76afa1568 bundle2: fix raising errors during heads checking
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 18931
diff changeset
   473
class PushRaced(RuntimeError):
28d76afa1568 bundle2: fix raising errors during heads checking
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 18931
diff changeset
   474
    """An exception raised during unbundling that indicate a push race"""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   475
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   476
    __bytes__ = _tobytes
21184
28d76afa1568 bundle2: fix raising errors during heads checking
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 18931
diff changeset
   477
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   478
32340
9c023179e8d0 error: add hint to ProgrammingError
Yuya Nishihara <yuya@tcha.org>
parents: 32023
diff changeset
   479
class ProgrammingError(Hint, RuntimeError):
30585
0f865311ae3f error: make it clear that ProgrammingError is for mercurial developers
Jun Wu <quark@fb.com>
parents: 30573
diff changeset
   480
    """Raised if a mercurial (core or extension) developer made a mistake"""
39579
921aeb9ac508 error: ensure ProgrammingError message is always a str
Augie Fackler <augie@google.com>
parents: 39559
diff changeset
   481
921aeb9ac508 error: ensure ProgrammingError message is always a str
Augie Fackler <augie@google.com>
parents: 39559
diff changeset
   482
    def __init__(self, msg, *args, **kwargs):
46899
8b6e36e4b553 typing: add type hints to mercurial/error.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 46819
diff changeset
   483
        # type: (AnyStr, Any, Any) -> None
39596
409c42d6a570 py3: use sysstr() to convert ProgrammingError bytes with no unicode error risk
Yuya Nishihara <yuya@tcha.org>
parents: 39579
diff changeset
   484
        # On Python 3, turn the message back into a string since this is
409c42d6a570 py3: use sysstr() to convert ProgrammingError bytes with no unicode error risk
Yuya Nishihara <yuya@tcha.org>
parents: 39579
diff changeset
   485
        # an internal-only error that won't be printed except in a
409c42d6a570 py3: use sysstr() to convert ProgrammingError bytes with no unicode error risk
Yuya Nishihara <yuya@tcha.org>
parents: 39579
diff changeset
   486
        # stack traces.
409c42d6a570 py3: use sysstr() to convert ProgrammingError bytes with no unicode error risk
Yuya Nishihara <yuya@tcha.org>
parents: 39579
diff changeset
   487
        msg = pycompat.sysstr(msg)
39579
921aeb9ac508 error: ensure ProgrammingError message is always a str
Augie Fackler <augie@google.com>
parents: 39559
diff changeset
   488
        super(ProgrammingError, self).__init__(msg, *args, **kwargs)
921aeb9ac508 error: ensure ProgrammingError message is always a str
Augie Fackler <augie@google.com>
parents: 39559
diff changeset
   489
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   490
    __bytes__ = _tobytes
30573
b0ebab239f90 error: add ProgrammingError
Jun Wu <quark@fb.com>
parents: 30332
diff changeset
   491
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   492
32402
c8e10565a113 error: add a new exception named WdirUnsupported
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32340
diff changeset
   493
class WdirUnsupported(Exception):
c8e10565a113 error: add a new exception named WdirUnsupported
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32340
diff changeset
   494
    """An exception which is raised when 'wdir()' is not supported"""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   495
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   496
    __bytes__ = _tobytes
32402
c8e10565a113 error: add a new exception named WdirUnsupported
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32340
diff changeset
   497
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   498
21618
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   499
# bundle2 related errors
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   500
class BundleValueError(ValueError):
21621
b6eb56a9335d bundle2: introduce a ``params`` attribute to BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21620
diff changeset
   501
    """error raised when bundle2 cannot be processed"""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   502
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   503
    __bytes__ = _tobytes
21620
6eaa71b2a3cc bundle2: introduce a parttype attribute to BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21618
diff changeset
   504
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   505
26393
cff70549a959 bundle2: rename error exception class for unsupported feature
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26355
diff changeset
   506
class BundleUnknownFeatureError(BundleValueError):
26394
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   507
    def __init__(self, parttype=None, params=(), values=()):
21620
6eaa71b2a3cc bundle2: introduce a parttype attribute to BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21618
diff changeset
   508
        self.parttype = parttype
21621
b6eb56a9335d bundle2: introduce a ``params`` attribute to BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21620
diff changeset
   509
        self.params = params
26394
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   510
        self.values = values
21627
3e8bcc90f07c bundle2: support None parttype in BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21621
diff changeset
   511
        if self.parttype is None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   512
            msg = b'Stream Parameter'
21627
3e8bcc90f07c bundle2: support None parttype in BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21621
diff changeset
   513
        else:
3e8bcc90f07c bundle2: support None parttype in BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21621
diff changeset
   514
            msg = parttype
26394
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   515
        entries = self.params
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   516
        if self.params and self.values:
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   517
            assert len(self.params) == len(self.values)
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   518
            entries = []
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   519
            for idx, par in enumerate(self.params):
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   520
                val = self.values[idx]
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   521
                if val is None:
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   522
                    entries.append(val)
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   523
                else:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   524
                    entries.append(b"%s=%r" % (par, pycompat.maybebytestr(val)))
26394
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   525
        if entries:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   526
            msg = b'%s - %s' % (msg, b', '.join(entries))
46899
8b6e36e4b553 typing: add type hints to mercurial/error.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 46819
diff changeset
   527
        ValueError.__init__(self, msg)  # TODO: convert to str?
21618
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   528
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   529
21618
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   530
class ReadOnlyPartError(RuntimeError):
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   531
    """error raised when code tries to alter a part being generated"""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   532
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   533
    __bytes__ = _tobytes
21618
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   534
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   535
25484
a5192774e925 bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25249
diff changeset
   536
class PushkeyFailed(Abort):
a5192774e925 bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25249
diff changeset
   537
    """error raised when a pushkey part failed to update a value"""
a5192774e925 bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25249
diff changeset
   538
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   539
    def __init__(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   540
        self, partid, namespace=None, key=None, new=None, old=None, ret=None
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   541
    ):
25484
a5192774e925 bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25249
diff changeset
   542
        self.partid = partid
a5192774e925 bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25249
diff changeset
   543
        self.namespace = namespace
a5192774e925 bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25249
diff changeset
   544
        self.key = key
a5192774e925 bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25249
diff changeset
   545
        self.new = new
a5192774e925 bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25249
diff changeset
   546
        self.old = old
a5192774e925 bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25249
diff changeset
   547
        self.ret = ret
a5192774e925 bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25249
diff changeset
   548
        # no i18n expected to be processed into a better message
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   549
        Abort.__init__(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   550
            self, b'failed to update value for "%s/%s"' % (namespace, key)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   551
        )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   552
25484
a5192774e925 bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25249
diff changeset
   553
39777
b63dee7bd0d9 global: replace most uses of RevlogError with StorageError (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39776
diff changeset
   554
class CensoredNodeError(StorageError):
24190
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24137
diff changeset
   555
    """error raised when content verification fails on a censored node
22595
244478687edd error: add CensoredNodeError, will be thrown when content deliberately erased
Mike Edgar <adgar@google.com>
parents: 22359
diff changeset
   556
24190
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24137
diff changeset
   557
    Also contains the tombstone data substituted for the uncensored data.
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24137
diff changeset
   558
    """
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24137
diff changeset
   559
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24137
diff changeset
   560
    def __init__(self, filename, node, tombstone):
46899
8b6e36e4b553 typing: add type hints to mercurial/error.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 46819
diff changeset
   561
        # type: (bytes, bytes, bytes) -> None
25945
147bd9e238a1 error: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25484
diff changeset
   562
        from .node import short
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   563
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   564
        StorageError.__init__(self, b'%s:%s' % (filename, short(node)))
24190
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24137
diff changeset
   565
        self.tombstone = tombstone
24120
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24040
diff changeset
   566
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   567
39777
b63dee7bd0d9 global: replace most uses of RevlogError with StorageError (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39776
diff changeset
   568
class CensoredBaseError(StorageError):
24120
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24040
diff changeset
   569
    """error raised when a delta is rejected because its base is censored
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24040
diff changeset
   570
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24040
diff changeset
   571
    A delta based on a censored revision must be formed as single patch
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24040
diff changeset
   572
    operation which replaces the entire base with new content. This ensures
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24040
diff changeset
   573
    the delta may be applied by clones which have not censored the base.
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24040
diff changeset
   574
    """
26640
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   575
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   576
26640
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   577
class InvalidBundleSpecification(Exception):
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   578
    """error raised when a bundle specification is invalid.
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   579
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   580
    This is used for syntax errors as opposed to support errors.
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   581
    """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   582
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   583
    __bytes__ = _tobytes
26640
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   584
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   585
26640
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   586
class UnsupportedBundleSpecification(Exception):
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   587
    """error raised when a bundle specification is not supported."""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   588
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   589
    __bytes__ = _tobytes
29536
b17a6e3cd2ac shelve: make unshelve be able to abort in any case
Kostia Balytskyi <ikostia@fb.com>
parents: 29510
diff changeset
   590
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   591
29536
b17a6e3cd2ac shelve: make unshelve be able to abort in any case
Kostia Balytskyi <ikostia@fb.com>
parents: 29510
diff changeset
   592
class CorruptedState(Exception):
b17a6e3cd2ac shelve: make unshelve be able to abort in any case
Kostia Balytskyi <ikostia@fb.com>
parents: 29510
diff changeset
   593
    """error raised when a command is not able to read its state from file"""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   594
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   595
    __bytes__ = _tobytes
32002
bf855efe5664 httppeer: wrap HTTPResponse.read() globally
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31959
diff changeset
   596
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   597
32023
a29580905771 error: rename RichIOError to PeerTransportError
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32002
diff changeset
   598
class PeerTransportError(Abort):
a29580905771 error: rename RichIOError to PeerTransportError
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32002
diff changeset
   599
    """Transport-level I/O error when communicating with a peer repo."""
35105
795bfa2a9103 error: add InMemoryMergeConflictsError
Phil Cohen <phillco@fb.com>
parents: 34251
diff changeset
   600
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   601
35105
795bfa2a9103 error: add InMemoryMergeConflictsError
Phil Cohen <phillco@fb.com>
parents: 34251
diff changeset
   602
class InMemoryMergeConflictsError(Exception):
795bfa2a9103 error: add InMemoryMergeConflictsError
Phil Cohen <phillco@fb.com>
parents: 34251
diff changeset
   603
    """Exception raised when merge conflicts arose during an in-memory merge."""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   604
35105
795bfa2a9103 error: add InMemoryMergeConflictsError
Phil Cohen <phillco@fb.com>
parents: 34251
diff changeset
   605
    __bytes__ = _tobytes
39559
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   606
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   607
39559
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   608
class WireprotoCommandError(Exception):
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   609
    """Represents an error during execution of a wire protocol command.
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   610
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   611
    Should only be thrown by wire protocol version 2 commands.
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   612
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   613
    The error is a formatter string and an optional iterable of arguments.
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   614
    """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   615
39559
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   616
    def __init__(self, message, args=None):
46899
8b6e36e4b553 typing: add type hints to mercurial/error.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 46819
diff changeset
   617
        # type: (bytes, Optional[Sequence[bytes]]) -> None
39559
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   618
        self.message = message
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   619
        self.messageargs = args