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88 lines
3.3 KiB
Python
88 lines
3.3 KiB
Python
# Copyright (C) 2009 Google Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import logging
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import sys
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from webkitpy.tool import steps
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from webkitpy.common.system.executive import ScriptError
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_log = logging.getLogger(__name__)
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class StepSequenceErrorHandler():
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@classmethod
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def handle_script_error(cls, tool, patch, script_error):
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raise NotImplementedError, "subclasses must implement"
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@classmethod
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def handle_checkout_needs_update(cls, tool, state, options, error):
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raise NotImplementedError, "subclasses must implement"
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class StepSequence(object):
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def __init__(self, steps):
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self._steps = steps or []
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def options(self):
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collected_options = [
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steps.Options.parent_command,
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steps.Options.quiet,
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]
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for step in self._steps:
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collected_options = collected_options + step.options()
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# Remove duplicates.
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collected_options = sorted(set(collected_options))
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return collected_options
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def _run(self, tool, options, state):
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for step in self._steps:
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step(tool, options).run(state)
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# Child processes exit with a special code to the parent queue process can detect the error was handled.
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handled_error_code = 2
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@classmethod
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def exit_after_handled_error(cls, error):
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_log.error(error)
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sys.exit(cls.handled_error_code)
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def run_and_handle_errors(self, tool, options, state=None):
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if not state:
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state = {}
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try:
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self._run(tool, options, state)
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except ScriptError, e:
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if not options.quiet:
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_log.error(e.message_with_output())
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if options.parent_command:
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command = tool.command_by_name(options.parent_command)
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command.handle_script_error(tool, state, e)
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self.exit_after_handled_error(e)
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