aosp12/libcore/tools/testmapping/save_logs.py

143 lines
4.2 KiB
Python
Executable File

#!/usr/bin/env python2
#
# Copyright 2020 - The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tool to save logs files for use by gen_smoke_tests.py."""
from __future__ import print_function
import glob
import os
import shutil
import sys
import util
ANDROID_REPOSITORY_ROOT = util.android_repository_root()
LOGS_ROOT = os.path.join(ANDROID_REPOSITORY_ROOT, 'out', 'host', 'linux-x86',
'cts', 'android-cts', 'logs')
CTS_LOGS_PATTERN = os.path.join(LOGS_ROOT, '*', '*',
'device_logcat_test_*.txt.gz')
LIBCORE_DIR = os.path.join(ANDROID_REPOSITORY_ROOT, 'libcore')
DESTINATION_DIR = os.path.join(LIBCORE_DIR, 'smoketest')
def check_destination():
"""Ensures the destination directory to copy the files to exists."""
if not os.path.isdir(LIBCORE_DIR):
raise Exception('Could not find directory ' + LIBCORE_DIR)
if not os.path.isdir(DESTINATION_DIR):
print('Making destination directory ' +
util.printable_path(DESTINATION_DIR))
os.mkdir(DESTINATION_DIR, 0o755)
else:
print('Found destination directory ' + util.printable_path(DESTINATION_DIR))
def is_real_log_file(filename):
"""Returns whether the filename is one we should use or not."""
return 'latest' not in filename
def find_all_log_files():
"""Finds all CTS log files in the expected directory.
Returns:
A list of filenames, sorted by mtime, most recent first.
Raises:
Exception: Not enough log files found.
"""
print('Looking for logs in %s' % util.printable_path(LOGS_ROOT))
print('+++ ' + CTS_LOGS_PATTERN)
for f in glob.glob(CTS_LOGS_PATTERN):
print('*** ' + f)
sources = [f for f in glob.glob(CTS_LOGS_PATTERN) if is_real_log_file(f)]
if not sources:
raise Exception('Found no logs files!')
return sorted(sources, key=os.path.getmtime, reverse=True)
def relative_source_name(source):
"""Returns the name of a source file, relative to the logs root."""
return os.path.relpath(source, LOGS_ROOT)
def flatten_name(name):
"""Returns a flattened version of a path, using _ to separate."""
parts = []
while name:
(head, tail) = os.path.split(name)
parts.insert(0, tail)
name = head
return '_'.join(parts)
def destination_path(name):
"""Returns the destination path for a given name (which must be flattened)."""
assert not os.path.dirname(name)
return os.path.join(DESTINATION_DIR, name)
def get_indexes_from_user(prompt, options):
"""Gets a sequence of indexes between 1 and max from the user.
Args:
prompt: A prompt to show to the user.
options: The options to show to the user.
Yields:
The indexes.
"""
for (index, option) in enumerate(options):
print('%d: %s' % (index + 1, option))
while True:
print(prompt)
instr = sys.stdin.readline().strip()
if instr.lower() == 'q':
break
try:
index = int(instr)
except ValueError:
print('Not a valid index! Please try again')
continue
if index < 1 or index > len(options):
print('Not a valid index! Please try again')
continue
yield index - 1
def do_copy(source):
"""Copies the given source into the destination directory."""
destination = destination_path(flatten_name(relative_source_name(source)))
if os.path.exists(destination):
print('File already exists: ' + util.printable_path(destination))
else:
print('Copying %s to %s' %
(util.printable_path(source), util.printable_path(destination)))
shutil.copyfile(source, destination)
def main():
check_destination()
sources = find_all_log_files()
for index in get_indexes_from_user(
'Enter the number of the file to save, or Q to quit',
map(relative_source_name, sources)):
do_copy(sources[index])
print('Bye!')
main()