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iceraven-browser/taskcluster/fenix_taskgraph/gradle.py
2022-03-21 18:38:56 +00:00

59 lines
1.8 KiB
Python

# 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/.
import json
import subprocess
from taskgraph.util.memoize import memoize
def get_variant(build_type):
all_variants = _fetch_all_variants()
matching_variants = [
variant for variant in all_variants if variant["build_type"] == build_type
]
number_of_matching_variants = len(matching_variants)
if number_of_matching_variants == 0:
raise ValueError('No variant found for build type "{}"'.format(build_type))
elif number_of_matching_variants > 1:
raise ValueError(
'Too many variants found for build type "{}"": {}'.format(
build_type, matching_variants
)
)
return matching_variants.pop()
@memoize
def _fetch_all_variants():
output = _run_gradle_process("printVariants")
content = _extract_content_from_command_output(output, prefix="variants: ")
return json.loads(content)
def _run_gradle_process(gradle_command, **kwargs):
gradle_properties = [
"-P{property_name}={value}".format(property_name=property_name, value=value)
for property_name, value in kwargs.items()
]
process = subprocess.Popen(
["./gradlew", "--no-daemon", "--quiet", gradle_command] + gradle_properties,
stdout=subprocess.PIPE,
universal_newlines=True,
)
output, err = process.communicate()
exit_code = process.wait()
if exit_code != 0:
raise RuntimeError("Gradle command returned error: {}".format(exit_code))
return output
def _extract_content_from_command_output(output, prefix):
variants_line = [line for line in output.split("\n") if line.startswith(prefix)][0]
return variants_line.split(" ", 1)[1]