mercurial/error.py
author Matt Harbison <matt_harbison@yahoo.com>
Thu, 11 Mar 2021 21:25:28 -0500
branchstable
changeset 46681 ae62ab82a345
parent 45942 89a2afe31e82
child 46794 e2f7b2695ba1
permissions -rw-r--r--
typing: ensure that error.Abort is given bytes There's a bunch more typing to be done here, but the list of things to fix is already long, and I know there are instances where this is being used incorrectly. Differential Revision: https://phab.mercurial-scm.org/D10166
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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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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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        Optional,
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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.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 short
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            name = short(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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        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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        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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        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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        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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        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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        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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   232
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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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        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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        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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        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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        from .i18n import _
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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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            )
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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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    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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   329
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   330
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def similarity_hint(similar):
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    from .i18n import _
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   333
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    if len(similar) == 1:
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   335
        return _(b"did you mean %s?") % similar[0]
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   336
    elif similar:
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        ss = b", ".join(sorted(similar))
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        return _(b"did you mean one of %s?") % ss
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    else:
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        return None
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   342
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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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        similar = getsimilar(symbols, function)
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        hint = similarity_hint(similar)
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        ParseError.__init__(
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   353
            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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   360
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class RepoLookupError(RepoError):
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    pass
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   363
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   364
23016
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class FilteredRepoLookupError(RepoLookupError):
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    pass
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   368
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class CapabilityError(RepoError):
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    pass
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   372
13447
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class RequirementError(RepoError):
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    """Exception raised if .hg/requires has an unknown entry."""
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   376
31959
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class StdioError(IOError):
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    """Raised if I/O to stdout or stderr fails"""
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   379
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   380
    def __init__(self, err):
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        IOError.__init__(self, err.errno, err.strerror)
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   383
    # no __bytes__() because error message is derived from the standard IOError
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   385
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   386
class UnsupportedMergeRecords(Abort):
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   387
    def __init__(self, recordtypes):
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   388
        from .i18n import _
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   389
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   390
        self.recordtypes = sorted(recordtypes)
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   391
        s = b' '.join(self.recordtypes)
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   392
        Abort.__init__(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   393
            self,
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   394
            _(b'unsupported merge state records: %s') % s,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   395
            hint=_(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   396
                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
   397
                b'more information'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   398
            ),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   399
        )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   400
26985
039a53c87370 error: add a structured exception for unsupported merge records
Siddharth Agarwal <sid0@fb.com>
parents: 26896
diff changeset
   401
32596
19df975eb555 obsolete: raise richer exception on unknown version
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32402
diff changeset
   402
class UnknownVersion(Abort):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45915
diff changeset
   403
    """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
   404
19df975eb555 obsolete: raise richer exception on unknown version
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32402
diff changeset
   405
    def __init__(self, msg, hint=None, version=None):
19df975eb555 obsolete: raise richer exception on unknown version
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32402
diff changeset
   406
        self.version = version
19df975eb555 obsolete: raise richer exception on unknown version
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32402
diff changeset
   407
        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
   408
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   409
7640
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   410
class LockError(IOError):
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   411
    def __init__(self, errno, strerror, filename, desc):
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   412
        IOError.__init__(self, errno, strerror, filename)
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   413
        self.desc = desc
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   414
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   415
    # 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
   416
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   417
7640
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   418
class LockHeld(LockError):
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   419
    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
   420
        LockError.__init__(self, errno, b'Lock held', filename, desc)
7640
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   421
        self.locker = locker
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   422
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   423
7640
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   424
class LockUnavailable(LockError):
7197812e8d44 error: move lock errors
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
   425
    pass
7641
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7640
diff changeset
   426
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   427
26355
f51713b8c6fa error: add an exception to indicate lock inheritance API contract violations
Siddharth Agarwal <sid0@fb.com>
parents: 25945
diff changeset
   428
# 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
   429
class LockInheritanceContractViolation(RuntimeError):
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   430
    __bytes__ = _tobytes
26355
f51713b8c6fa error: add an exception to indicate lock inheritance API contract violations
Siddharth Agarwal <sid0@fb.com>
parents: 25945
diff changeset
   431
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   432
7641
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7640
diff changeset
   433
class ResponseError(Exception):
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7640
diff changeset
   434
    """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
   435
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   436
    __bytes__ = _tobytes
7641
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7640
diff changeset
   437
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   438
7644
182b7114d35a error: move SignalInterrupt
Matt Mackall <mpm@selenic.com>
parents: 7643
diff changeset
   439
# derived from KeyboardInterrupt to simplify some breakout code
182b7114d35a error: move SignalInterrupt
Matt Mackall <mpm@selenic.com>
parents: 7643
diff changeset
   440
class SignalInterrupt(KeyboardInterrupt):
182b7114d35a error: move SignalInterrupt
Matt Mackall <mpm@selenic.com>
parents: 7643
diff changeset
   441
    """Exception raised on SIGTERM and SIGHUP."""
7646
e62a456b8dc5 error: move SignatureError
Matt Mackall <mpm@selenic.com>
parents: 7644
diff changeset
   442
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   443
7646
e62a456b8dc5 error: move SignatureError
Matt Mackall <mpm@selenic.com>
parents: 7644
diff changeset
   444
class SignatureError(Exception):
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   445
    __bytes__ = _tobytes
21184
28d76afa1568 bundle2: fix raising errors during heads checking
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 18931
diff changeset
   446
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   447
21184
28d76afa1568 bundle2: fix raising errors during heads checking
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 18931
diff changeset
   448
class PushRaced(RuntimeError):
28d76afa1568 bundle2: fix raising errors during heads checking
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 18931
diff changeset
   449
    """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
   450
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   451
    __bytes__ = _tobytes
21184
28d76afa1568 bundle2: fix raising errors during heads checking
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 18931
diff changeset
   452
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   453
32340
9c023179e8d0 error: add hint to ProgrammingError
Yuya Nishihara <yuya@tcha.org>
parents: 32023
diff changeset
   454
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
   455
    """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
   456
921aeb9ac508 error: ensure ProgrammingError message is always a str
Augie Fackler <augie@google.com>
parents: 39559
diff changeset
   457
    def __init__(self, msg, *args, **kwargs):
39596
409c42d6a570 py3: use sysstr() to convert ProgrammingError bytes with no unicode error risk
Yuya Nishihara <yuya@tcha.org>
parents: 39579
diff changeset
   458
        # 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
   459
        # 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
   460
        # stack traces.
409c42d6a570 py3: use sysstr() to convert ProgrammingError bytes with no unicode error risk
Yuya Nishihara <yuya@tcha.org>
parents: 39579
diff changeset
   461
        msg = pycompat.sysstr(msg)
39579
921aeb9ac508 error: ensure ProgrammingError message is always a str
Augie Fackler <augie@google.com>
parents: 39559
diff changeset
   462
        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
   463
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   464
    __bytes__ = _tobytes
30573
b0ebab239f90 error: add ProgrammingError
Jun Wu <quark@fb.com>
parents: 30332
diff changeset
   465
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   466
32402
c8e10565a113 error: add a new exception named WdirUnsupported
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32340
diff changeset
   467
class WdirUnsupported(Exception):
c8e10565a113 error: add a new exception named WdirUnsupported
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32340
diff changeset
   468
    """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
   469
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   470
    __bytes__ = _tobytes
32402
c8e10565a113 error: add a new exception named WdirUnsupported
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32340
diff changeset
   471
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   472
21618
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   473
# bundle2 related errors
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   474
class BundleValueError(ValueError):
21621
b6eb56a9335d bundle2: introduce a ``params`` attribute to BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21620
diff changeset
   475
    """error raised when bundle2 cannot be processed"""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   476
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   477
    __bytes__ = _tobytes
21620
6eaa71b2a3cc bundle2: introduce a parttype attribute to BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21618
diff changeset
   478
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   479
26393
cff70549a959 bundle2: rename error exception class for unsupported feature
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26355
diff changeset
   480
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
   481
    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
   482
        self.parttype = parttype
21621
b6eb56a9335d bundle2: introduce a ``params`` attribute to BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21620
diff changeset
   483
        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
   484
        self.values = values
21627
3e8bcc90f07c bundle2: support None parttype in BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21621
diff changeset
   485
        if self.parttype is None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   486
            msg = b'Stream Parameter'
21627
3e8bcc90f07c bundle2: support None parttype in BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21621
diff changeset
   487
        else:
3e8bcc90f07c bundle2: support None parttype in BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21621
diff changeset
   488
            msg = parttype
26394
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   489
        entries = self.params
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   490
        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
   491
            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
   492
            entries = []
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   493
            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
   494
                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
   495
                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
   496
                    entries.append(val)
e75da738add5 bundle2: allow to specify unsupported value on error
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26393
diff changeset
   497
                else:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   498
                    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
   499
        if entries:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   500
            msg = b'%s - %s' % (msg, b', '.join(entries))
21747
fecead61d222 error: restore python 2.4 compatibility for BundleValueError
Brendan Cully <brendan@kublai.com>
parents: 21627
diff changeset
   501
        ValueError.__init__(self, msg)
21618
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   502
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   503
21618
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   504
class ReadOnlyPartError(RuntimeError):
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   505
    """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
   506
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   507
    __bytes__ = _tobytes
21618
7568f5c1c801 bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21184
diff changeset
   508
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   509
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
   510
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
   511
    """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
   512
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   513
    def __init__(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   514
        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
   515
    ):
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
   516
        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
   517
        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
   518
        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
   519
        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
   520
        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
   521
        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
   522
        # 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
   523
        Abort.__init__(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   524
            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
   525
        )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   526
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
   527
39777
b63dee7bd0d9 global: replace most uses of RevlogError with StorageError (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39776
diff changeset
   528
class CensoredNodeError(StorageError):
24190
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24137
diff changeset
   529
    """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
   530
24190
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24137
diff changeset
   531
    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
   532
    """
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24137
diff changeset
   533
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24137
diff changeset
   534
    def __init__(self, filename, node, tombstone):
25945
147bd9e238a1 error: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25484
diff changeset
   535
        from .node import short
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   536
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   537
        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
   538
        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
   539
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   540
39777
b63dee7bd0d9 global: replace most uses of RevlogError with StorageError (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39776
diff changeset
   541
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
   542
    """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
   543
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24040
diff changeset
   544
    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
   545
    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
   546
    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
   547
    """
26640
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   548
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   549
26640
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   550
class InvalidBundleSpecification(Exception):
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   551
    """error raised when a bundle specification is invalid.
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   552
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   553
    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
   554
    """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   555
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   556
    __bytes__ = _tobytes
26640
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   557
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   558
26640
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   559
class UnsupportedBundleSpecification(Exception):
b13fdcc4e700 exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26438
diff changeset
   560
    """error raised when a bundle specification is not supported."""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   561
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   562
    __bytes__ = _tobytes
29536
b17a6e3cd2ac shelve: make unshelve be able to abort in any case
Kostia Balytskyi <ikostia@fb.com>
parents: 29510
diff changeset
   563
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   564
29536
b17a6e3cd2ac shelve: make unshelve be able to abort in any case
Kostia Balytskyi <ikostia@fb.com>
parents: 29510
diff changeset
   565
class CorruptedState(Exception):
b17a6e3cd2ac shelve: make unshelve be able to abort in any case
Kostia Balytskyi <ikostia@fb.com>
parents: 29510
diff changeset
   566
    """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
   567
32616
6df193b5c437 py3: implement __bytes__() on most of our exception classes
Yuya Nishihara <yuya@tcha.org>
parents: 32596
diff changeset
   568
    __bytes__ = _tobytes
32002
bf855efe5664 httppeer: wrap HTTPResponse.read() globally
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31959
diff changeset
   569
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   570
32023
a29580905771 error: rename RichIOError to PeerTransportError
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32002
diff changeset
   571
class PeerTransportError(Abort):
a29580905771 error: rename RichIOError to PeerTransportError
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32002
diff changeset
   572
    """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
   573
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   574
35105
795bfa2a9103 error: add InMemoryMergeConflictsError
Phil Cohen <phillco@fb.com>
parents: 34251
diff changeset
   575
class InMemoryMergeConflictsError(Exception):
795bfa2a9103 error: add InMemoryMergeConflictsError
Phil Cohen <phillco@fb.com>
parents: 34251
diff changeset
   576
    """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
   577
35105
795bfa2a9103 error: add InMemoryMergeConflictsError
Phil Cohen <phillco@fb.com>
parents: 34251
diff changeset
   578
    __bytes__ = _tobytes
39559
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   579
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   580
39559
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   581
class WireprotoCommandError(Exception):
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   582
    """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
   583
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   584
    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
   585
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   586
    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
   587
    """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43034
diff changeset
   588
39559
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   589
    def __init__(self, message, args=None):
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   590
        self.message = message
07b58266bce3 wireprotov2: implement commands as a generator of objects
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38841
diff changeset
   591
        self.messageargs = args