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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import absolute_import, unicode_literals
class CommandContext(object):
"""Holds run-time state so it can easily be passed to command providers."""
def __init__(
self, cwd=None, settings=None, log_manager=None, commands=None, **kwargs
):
self.cwd = cwd
self.settings = settings
self.log_manager = log_manager
self.commands = commands
self.is_interactive = None # Filled in after args are parsed
self.telemetry = None # Filled in after args are parsed
self.command_attrs = {}
for k, v in kwargs.items():
setattr(self, k, v)
class MachError(Exception):
"""Base class for all errors raised by mach itself."""
class NoCommandError(MachError):
"""No command was passed into mach."""
def __init__(self, namespace):
MachError.__init__(self)
self.namespace = namespace
class UnknownCommandError(MachError):
"""Raised when we attempted to execute an unknown command."""
def __init__(self, command, verb, suggested_commands=None):
MachError.__init__(self)
self.command = command
self.verb = verb
self.suggested_commands = suggested_commands or []
class UnrecognizedArgumentError(MachError):
"""Raised when an unknown argument is passed to mach."""
def __init__(self, command, arguments):
MachError.__init__(self)
self.command = command
self.arguments = arguments
class FailedCommandError(Exception):
"""Raised by commands to signal a handled failure to be printed by mach
When caught by mach a FailedCommandError will print message and exit
with ''exit_code''. The optional ''reason'' is a string in cases where
other scripts may wish to handle the exception, though this is generally
intended to communicate failure to mach.
"""
def __init__(self, message, exit_code=1, reason=""):
Exception.__init__(self, message)
self.exit_code = exit_code
self.reason = reason
class MissingFileError(MachError):
"""Attempted to load a mach commands file that doesn't exist."""