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# Copyright (C) 2009 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
from webkitpy.tool import steps
from webkitpy.common.checkout.scm import CheckoutNeedsUpdate
from webkitpy.common.system.deprecated_logging import log
from webkitpy.common.system.executive import ScriptError
from webkitpy.tool.bot.queueengine import QueueEngine
class StepSequenceErrorHandler():
@classmethod
def handle_script_error(cls, tool, patch, script_error):
raise NotImplementedError, "subclasses must implement"
@classmethod
def handle_checkout_needs_update(cls, tool, state, options, error):
raise NotImplementedError, "subclasses must implement"
class StepSequence(object):
def __init__(self, steps):
self._steps = steps or []
def options(self):
collected_options = [
steps.Options.parent_command,
steps.Options.quiet,
]
for step in self._steps:
collected_options = collected_options + step.options()
# Remove duplicates.
collected_options = sorted(set(collected_options))
return collected_options
def _run(self, tool, options, state):
for step in self._steps:
step(tool, options).run(state)
def run_and_handle_errors(self, tool, options, state=None):
if not state:
state = {}
try:
self._run(tool, options, state)
except CheckoutNeedsUpdate, e:
log("Commit failed because the checkout is out of date. Please update and try again.")
if options.parent_command:
command = tool.command_by_name(options.parent_command)
command.handle_checkout_needs_update(tool, state, options, e)
QueueEngine.exit_after_handled_error(e)
except ScriptError, e:
if not options.quiet:
log(e.message_with_output())
if options.parent_command:
command = tool.command_by_name(options.parent_command)
command.handle_script_error(tool, state, e)
QueueEngine.exit_after_handled_error(e)
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