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#!/usr/bin/env python3
# Copyright (c) 2018 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from string import Template
import argparse
import io
import json
import os
import re
import shutil
import sys
ARCH_VAR = 'arch'
OS_VAR = 'os'
PLATFORM_VAR = 'platform'
CIPD_SUBDIR_RE = '@Subdir (.*)'
CIPD_DESCRIBE = 'describe'
CIPD_ENSURE = 'ensure'
CIPD_ENSURE_FILE_RESOLVE = 'ensure-file-resolve'
CIPD_EXPAND_PKG = 'expand-package-name'
CIPD_EXPORT = 'export'
DESCRIBE_STDOUT_TEMPLATE = """\
Package: ${package}
Instance ID: ${package}-fake-instance-id
Registered by: user:fake-testing-support
Registered at: 2023-05-10 18:53:55.078574 +0000 UTC
Refs:
${package}-latest
Tags:
git_revision:${package}-fake-git-revision
${package}-fake-tag:1.0
${package}-fake-tag:2.0
"""
DESCRIBE_JSON_TEMPLATE = """{
"result": {
"pin": {
"package": "${package}",
"instance_id": "${package}-fake-instance-id"
},
"registered_by": "user:fake-testing-support",
"registered_ts": 1683744835,
"refs": [
{
"ref": "${package}-latest",
"instance_id": "${package}-fake-instance-id",
"modified_by": "user:fake-testing-support",
"modified_ts": 1683744835
}
],
"tags": [
{
"tag": "git_revision:${package}-fake-git-revision",
"registered_by": "user:fake-testing-support",
"registered_ts": 1683744835
},
{
"tag": "${package}-fake-tag:1.0",
"registered_by": "user:fake-testing-support",
"registered_ts": 1683744835
},
{
"tag": "${package}-fake-tag:2.0",
"registered_by": "user:fake-testing-support",
"registered_ts": 1683744835
}
]
}
}"""
def parse_cipd(root, contents):
tree = {}
current_subdir = None
for line in contents:
line = line.strip()
match = re.match(CIPD_SUBDIR_RE, line)
if match:
print('match')
current_subdir = os.path.join(root, *match.group(1).split('/'))
if not root:
current_subdir = match.group(1)
elif line and current_subdir:
print('no match')
tree.setdefault(current_subdir, []).append(line)
return tree
def expand_package_name_cmd(package_name):
package_split = package_name.split("/")
suffix = package_split[-1]
# Any use of var equality should return empty for testing.
if "=" in suffix:
if suffix != "${platform=fake-platform-ok}":
return ""
package_name = "/".join(package_split[:-1] + ["${platform}"])
for v in [ARCH_VAR, OS_VAR, PLATFORM_VAR]:
var = "${%s}" % v
if package_name.endswith(var):
package_name = package_name.replace(var,
"%s-expanded-test-only" % v)
return package_name
def ensure_file_resolve():
resolved = {"result": {}}
parser = argparse.ArgumentParser()
parser.add_argument('-ensure-file', required=True)
parser.add_argument('-json-output')
args, _ = parser.parse_known_args()
with io.open(args.ensure_file, 'r', encoding='utf-8') as f:
new_content = parse_cipd("", f.readlines())
for path, packages in new_content.items():
resolved_packages = []
for package in packages:
package_name = expand_package_name_cmd(package.split(" ")[0])
resolved_packages.append({
"package": package_name,
"pin": {
"package": package_name,
"instance_id": package_name + "-fake-resolved-id",
}
})
resolved["result"][path] = resolved_packages
with io.open(args.json_output, 'w', encoding='utf-8') as f:
f.write(json.dumps(resolved, indent=4))
def describe_cmd(package_name):
parser = argparse.ArgumentParser()
parser.add_argument('-json-output')
parser.add_argument('-version', required=True)
args, _ = parser.parse_known_args()
json_template = Template(DESCRIBE_JSON_TEMPLATE).substitute(
package=package_name)
cli_out = Template(DESCRIBE_STDOUT_TEMPLATE).substitute(
package=package_name)
json_out = json.loads(json_template)
found = False
for tag in json_out['result']['tags']:
if tag['tag'] == args.version:
found = True
break
for tag in json_out['result']['refs']:
if tag['ref'] == args.version:
found = True
break
if found:
if args.json_output:
with io.open(args.json_output, 'w', encoding='utf-8') as f:
f.write(json.dumps(json_out, indent=4))
sys.stdout.write(cli_out)
return 0
sys.stdout.write('Error: no such ref.\n')
return 1
def main():
cmd = sys.argv[1]
assert cmd in [
CIPD_DESCRIBE, CIPD_ENSURE, CIPD_ENSURE_FILE_RESOLVE, CIPD_EXPAND_PKG,
CIPD_EXPORT
]
# Handle cipd expand-package-name
if cmd == CIPD_EXPAND_PKG:
# Expecting argument after cmd
assert len(sys.argv) == 3
# Write result to stdout
sys.stdout.write(expand_package_name_cmd(sys.argv[2]))
return 0
if cmd == CIPD_DESCRIBE:
# Expecting argument after cmd
assert len(sys.argv) >= 3
return describe_cmd(sys.argv[2])
if cmd == CIPD_ENSURE_FILE_RESOLVE:
return ensure_file_resolve()
parser = argparse.ArgumentParser()
parser.add_argument('-ensure-file')
parser.add_argument('-root')
args, _ = parser.parse_known_args()
with io.open(args.ensure_file, 'r', encoding='utf-8') as f:
new_content = parse_cipd(args.root, f.readlines())
# Install new packages
for path, packages in new_content.items():
if not os.path.exists(path):
os.makedirs(path)
with io.open(os.path.join(path, '_cipd'), 'w', encoding='utf-8') as f:
f.write('\n'.join(packages))
# Save the ensure file that we got
shutil.copy(args.ensure_file, os.path.join(args.root, '_cipd'))
return 0
if __name__ == '__main__':
sys.exit(main())
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