mirror of
https://github.com/fork-maintainers/iceraven-browser
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59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from __future__ import absolute_import, print_function, unicode_literals
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import json
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import subprocess
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from taskgraph.util.memoize import memoize
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def get_variant(build_type, engine):
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all_variants = _fetch_all_variants()
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matching_variants = [
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variant for variant in all_variants
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if variant["build_type"] == build_type and variant["engine"] == engine
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]
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number_of_matching_variants = len(matching_variants)
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if number_of_matching_variants == 0:
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raise ValueError('No variant found for build type "{}" and engine "{}"'.format(
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build_type, engine
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))
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elif number_of_matching_variants > 1:
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raise ValueError('Too many variants found for build type "{}" and engine "{}": {}'.format(
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build_type, engine, matching_variants
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))
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return matching_variants.pop()
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@memoize
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def _fetch_all_variants():
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output = _run_gradle_process('printVariants')
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content = _extract_content_from_command_output(output, prefix='variants: ')
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return json.loads(content)
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def _run_gradle_process(gradle_command, **kwargs):
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gradle_properties = [
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'-P{property_name}={value}'.format(property_name=property_name, value=value)
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for property_name, value in kwargs.iteritems()
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]
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process = subprocess.Popen(["./gradlew", "--no-daemon", "--quiet", gradle_command] + gradle_properties, stdout=subprocess.PIPE)
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output, err = process.communicate()
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exit_code = process.wait()
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if exit_code is not 0:
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raise RuntimeError("Gradle command returned error: {}".format(exit_code))
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return output
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def _extract_content_from_command_output(output, prefix):
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variants_line = [line for line in output.split('\n') if line.startswith(prefix)][0]
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return variants_line.split(' ', 1)[1]
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