72 lines
2 KiB
Python
72 lines
2 KiB
Python
# 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, incorporated herein by reference.
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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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# Do not import anything here, please
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class RevlogError(Exception):
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pass
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class LookupError(RevlogError, KeyError):
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def __init__(self, name, index, message):
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self.name = name
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if isinstance(name, str) and len(name) == 20:
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from node import short
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name = short(name)
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RevlogError.__init__(self, '%s@%s: %s' % (index, name, message))
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def __str__(self):
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return RevlogError.__str__(self)
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class ParseError(Exception):
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"""Exception raised on errors in parsing the command line."""
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class ConfigError(Exception):
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'Exception raised when parsing config files'
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class RepoError(Exception):
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pass
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class CapabilityError(RepoError):
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pass
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class LockError(IOError):
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def __init__(self, errno, strerror, filename, desc):
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IOError.__init__(self, errno, strerror, filename)
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self.desc = desc
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class LockHeld(LockError):
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def __init__(self, errno, filename, desc, locker):
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LockError.__init__(self, errno, 'Lock held', filename, desc)
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self.locker = locker
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class LockUnavailable(LockError):
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pass
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class ResponseError(Exception):
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"""Raised to print an error with part of output and exit."""
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class UnknownCommand(Exception):
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"""Exception raised if command is not in the command table."""
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class AmbiguousCommand(Exception):
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"""Exception raised if command shortcut matches more than one command."""
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# derived from KeyboardInterrupt to simplify some breakout code
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class SignalInterrupt(KeyboardInterrupt):
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"""Exception raised on SIGTERM and SIGHUP."""
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class SignatureError(Exception):
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pass
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class Abort(Exception):
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"""Raised if a command needs to print an error and exit."""
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