diff options
Diffstat (limited to 'third_party/catapult/devil/devil/android/md5sum.py')
-rw-r--r-- | third_party/catapult/devil/devil/android/md5sum.py | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/third_party/catapult/devil/devil/android/md5sum.py b/third_party/catapult/devil/devil/android/md5sum.py deleted file mode 100644 index 6dece9e..0000000 --- a/third_party/catapult/devil/devil/android/md5sum.py +++ /dev/null @@ -1,120 +0,0 @@ -# Copyright 2014 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. - -import os -import posixpath -import re - -from devil import devil_env -from devil.android import device_errors -from devil.utils import cmd_helper - -MD5SUM_DEVICE_LIB_PATH = '/data/local/tmp/md5sum' -MD5SUM_DEVICE_BIN_PATH = MD5SUM_DEVICE_LIB_PATH + '/md5sum_bin' - -_STARTS_WITH_CHECKSUM_RE = re.compile(r'^\s*[0-9a-fA-F]{32}\s+') - - -def CalculateHostMd5Sums(paths): - """Calculates the MD5 sum value for all items in |paths|. - - Directories are traversed recursively and the MD5 sum of each file found is - reported in the result. - - Args: - paths: A list of host paths to md5sum. - Returns: - A dict mapping file paths to their respective md5sum checksums. - """ - if isinstance(paths, basestring): - paths = [paths] - - md5sum_bin_host_path = devil_env.config.FetchPath('md5sum_host') - if not os.path.exists(md5sum_bin_host_path): - raise IOError('File not built: %s' % md5sum_bin_host_path) - out = cmd_helper.GetCmdOutput( - [md5sum_bin_host_path] + [os.path.realpath(p) for p in paths]) - - return _ParseMd5SumOutput(out.splitlines()) - - -def CalculateDeviceMd5Sums(paths, device): - """Calculates the MD5 sum value for all items in |paths|. - - Directories are traversed recursively and the MD5 sum of each file found is - reported in the result. - - Args: - paths: A list of device paths to md5sum. - Returns: - A dict mapping file paths to their respective md5sum checksums. - """ - if not paths: - return {} - - if isinstance(paths, basestring): - paths = [paths] - # Allow generators - paths = list(paths) - - md5sum_dist_path = devil_env.config.FetchPath('md5sum_device', device=device) - - if os.path.isdir(md5sum_dist_path): - md5sum_dist_bin_path = os.path.join(md5sum_dist_path, 'md5sum_bin') - else: - md5sum_dist_bin_path = md5sum_dist_path - - if not os.path.exists(md5sum_dist_path): - raise IOError('File not built: %s' % md5sum_dist_path) - md5sum_file_size = os.path.getsize(md5sum_dist_bin_path) - - # For better performance, make the script as small as possible to try and - # avoid needing to write to an intermediary file (which RunShellCommand will - # do if necessary). - md5sum_script = 'a=%s;' % MD5SUM_DEVICE_BIN_PATH - # Check if the binary is missing or has changed (using its file size as an - # indicator), and trigger a (re-)push via the exit code. - md5sum_script += '! [[ $(ls -l $a) = *%d* ]]&&exit 2;' % md5sum_file_size - # Make sure it can find libbase.so - md5sum_script += 'export LD_LIBRARY_PATH=%s;' % MD5SUM_DEVICE_LIB_PATH - if len(paths) > 1: - prefix = posixpath.commonprefix(paths) - if len(prefix) > 4: - md5sum_script += 'p="%s";' % prefix - paths = ['$p"%s"' % p[len(prefix):] for p in paths] - - md5sum_script += ';'.join('$a %s' % p for p in paths) - # Don't fail the script if the last md5sum fails (due to file not found) - # Note: ":" is equivalent to "true". - md5sum_script += ';:' - try: - out = device.RunShellCommand(md5sum_script, shell=True, check_return=True) - except device_errors.AdbShellCommandFailedError as e: - # Push the binary only if it is found to not exist - # (faster than checking up-front). - if e.status == 2: - # If files were previously pushed as root (adbd running as root), trying - # to re-push as non-root causes the push command to report success, but - # actually fail. So, wipe the directory first. - device.RunShellCommand(['rm', '-rf', MD5SUM_DEVICE_LIB_PATH], - as_root=True, check_return=True) - if os.path.isdir(md5sum_dist_path): - device.adb.Push(md5sum_dist_path, MD5SUM_DEVICE_LIB_PATH) - else: - mkdir_cmd = 'a=%s;[[ -e $a ]] || mkdir $a' % MD5SUM_DEVICE_LIB_PATH - device.RunShellCommand(mkdir_cmd, shell=True, check_return=True) - device.adb.Push(md5sum_dist_bin_path, MD5SUM_DEVICE_BIN_PATH) - - out = device.RunShellCommand(md5sum_script, shell=True, check_return=True) - else: - raise - - return _ParseMd5SumOutput(out) - - -def _ParseMd5SumOutput(out): - hash_and_path = (l.split(None, 1) for l in out - if l and _STARTS_WITH_CHECKSUM_RE.match(l)) - return dict((p, h) for h, p in hash_and_path) - |