blob: f65c0f9d7c8211eefa962e8a8905b96e001f1a6d [file] [log] [blame]
# Copyright 2013 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.
"""Uninstalls Chrome.
This script reads the uninstall command from registry, calls it, and verifies
the output status code.
import _winreg
import optparse
import subprocess
import sys
def main():
parser = optparse.OptionParser(description='Uninstall Chrome.')
parser.add_option('--system-level', action='store_true', dest='system_level',
default=False, help='Uninstall Chrome at system level.')
parser.add_option('--chrome-long-name', default='Google Chrome',
help='Google Chrome or Chromium)')
parser.add_option('--interactive', action='store_true', dest='interactive',
default=False, help='Ask before uninstalling Chrome.')
parser.add_option('--no-error-if-absent', action='store_true',
dest='no_error_if_absent', default=False,
help='No error if the registry key for uninstalling Chrome '
'is absent.')
parser.add_option('--log-file', dest='log_file',
help='File into which the installer is to write its logs',
options, _ = parser.parse_args()
# TODO(sukolsak): Add support for uninstalling MSI-based Chrome installs when
# we support testing MSIs.
if options.system_level:
root_key = _winreg.HKEY_LOCAL_MACHINE
root_key = _winreg.HKEY_CURRENT_USER
sub_key = ('SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\%s' %
# Query the key. It will throw a WindowsError if the key doesn't exist.
key = _winreg.OpenKey(root_key, sub_key, 0,
_winreg.KEY_QUERY_VALUE | _winreg.KEY_WOW64_32KEY)
except WindowsError:
if options.no_error_if_absent:
return 0
raise KeyError('Registry key %s\\%s is missing' % (
'HKEY_LOCAL_MACHINE' if options.system_level else 'HKEY_CURRENT_USER',
if options.interactive:
prompt = ('Warning: This will uninstall %s at %s. Do you want to continue? '
'(y/N) ' % (options.chrome_long_name,
'system-level' if
options.system_level else 'user-level'))
if raw_input(prompt).strip() != 'y':
print >> sys.stderr, 'User aborted'
return 1
uninstall_string, _ = _winreg.QueryValueEx(key, 'UninstallString')
uninstall_string += ' --force-uninstall'
if options.log_file:
uninstall_string += ' --verbose-logging --log-file="%s"' % options.log_file
exit_status =, shell=True)
# The exit status for successful uninstallation of Chrome is 19 (see
# chrome/installer/util/util_constants.h).
if exit_status != 19:
raise Exception('Could not uninstall Chrome. The installer exited with '
'status %d.' % exit_status)
return 0
if __name__ == '__main__':