| #!/usr/bin/python |
| # |
| # Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """A utility program that strips the user name off the file names.""" |
| |
| |
| import getopt |
| import glob |
| import os |
| import re |
| import sys |
| |
| from operator import and_ |
| |
| |
| DIR = 'dir' |
| FILE = 'file' |
| PREFIX_SPACE = {DIR: ' ' * 2, FILE: ' ' * 4} |
| |
| # Command line options |
| OPT_DIR = 'dir' |
| OPT_HELP = 'help' |
| OPT_LABEL = 'label' |
| OPT_NAME = 'name' |
| OPT_REPLACE = 'replace' |
| |
| |
| def mod_name(file_name, file_type, replacement, user_type, user_str): |
| """Strip off the user name. |
| |
| Case 1: '--label' is specified on command line (user == 'label') |
| The original file name looks like |
| 'scroll-basic_two_finger.down-alex-mary_tut1-20111215_000933.dat' |
| If label is 'tut1' and replacement is 'user', the new file name looks like |
| 'scroll-basic_two_finger.down-alex-user_tut1-20111215_000933.dat' |
| |
| Case 2: '--name' is specified on command line (user == 'name') |
| The original file name looks like |
| 'scroll-basic_two_finger.down-alex-mary-20111215_000933.dat' |
| If name is 'mary' and replacement is 'user', the new file name looks like |
| 'scroll-basic_two_finger.down-alex-user-20111215_000933.dat' |
| """ |
| # Case 1: user_type is 'label' |
| # For example, assume that label is 'tut1' and replacement is 'user' |
| # file: patt_str looks like '-mary_tut1-' |
| # replacement_str looks like '-user_tut1-' |
| # directory: patt_str looks like 'mary_tut1-' |
| # replacement_str looks like 'user_tut1-' |
| # |
| # Case 2: user_type is 'name' |
| # For example, assume that name is 'mary' and replacement is 'user' |
| # file: patt_str looks like '-mary-' |
| # replacement_str looks like '-user-' |
| # directory: patt_str looks like 'mary-' |
| # replacement_str looks like 'user-' |
| if file_type == FILE: |
| if user_type == 'label': |
| patt_str = '-\w+_%s-' % user_str |
| replacement_str = '-%s_%s-' % (replacement, user_str) |
| else: |
| patt_str = '-%s-' % user_str |
| replacement_str = '-%s-' % replacement |
| elif file_type == DIR: |
| if user_type == 'label': |
| patt_str = '/\w+_%s_' % user_str |
| replacement_str = '/%s_%s_' % (replacement, user_str) |
| else: |
| patt_str = '%s_' % user_str |
| replacement_str = '%s_' % replacement |
| else: |
| return None |
| |
| new_file_name = re.sub(patt_str, replacement_str, file_name) |
| if new_file_name != file_name: |
| os.rename(file_name, new_file_name) |
| space = PREFIX_SPACE[file_type] |
| print '%sOld %s name: %s' % (space, file_type, file_name) |
| print ' %s> New %s name: %s' % (space, file_type, new_file_name) |
| |
| return new_file_name |
| |
| |
| def mod_dir(dir_name, replacement, option_dict, user_type): |
| """Strip the user name off the files in the specified directory recursively. |
| |
| Case 1: '--label' is specified on command line (user_type == 'label') |
| The original dir name looks like |
| mary_tut1_20120426_071316 |
| If label is 'tut1' and replacement is 'user', the new dir name looks like |
| user_tut1_20120426_071316 |
| |
| Case 2: '--name' is specified on command line (user_type == 'name') |
| The original dir name looks like |
| mary_20120426_071316 |
| If name is 'mary' and replacement is 'user', the new dir name looks like |
| user_20120426_071316 |
| """ |
| if not os.path.isdir(dir_name): |
| print 'Error: the directory "%s" does not exist.' % dir_name |
| return |
| |
| # if user_type == 'label': |
| # The dir_name will be something like |
| # '/var/tmp/trackpad_test_data/test_files' |
| # under which there may exist a number of user sub-directories like |
| # 'mary_tut1_20120426_071316' |
| # 'jane_tut1_20120426_081526' |
| # if user_type == 'name': |
| # The dir_name will be something like |
| # '/var/tmp/trackpad_test_data/test_files/mary_20120426_071316' |
| new_dir_name = mod_name(dir_name, DIR, replacement, user_type, |
| option_dict[user_type]) |
| for f in glob.glob(os.path.join(new_dir_name, '*')): |
| if os.path.isdir(f): |
| new_dir_name = mod_name(f, DIR, replacement, user_type, |
| option_dict[user_type]) |
| mod_dir(new_dir_name, replacement, option_dict, user_type) |
| elif os.path.isfile(f): |
| mod_name(f, FILE, replacement, user_type, option_dict[user_type]) |
| |
| |
| def _usage(): |
| """Print the usage of this program.""" |
| # Print the usage |
| print 'Usage: $ %s [options]\n' % sys.argv[0] |
| print 'options:' |
| print ' -d, --%s=<gesture_directory>' % OPT_DIR |
| print ' <gesture_directory>: containing gesture files' |
| print ' -h, --%s: show this help' % OPT_HELP |
| print ' -l, --%s: The user name must come with this label.' % OPT_LABEL |
| print ' -n, --%s: The user name to be replaced.' % OPT_NAME |
| print ' -r, --%s=<replacement>:' % OPT_REPLACE |
| print ' <replacement>: replace user name with this string' |
| print |
| |
| |
| def _parsing_error(msg): |
| """Print the usage and exit when encountering parsing error.""" |
| print 'Error: %s' % msg |
| _usage() |
| sys.exit(1) |
| |
| |
| def _parse_options(): |
| """Parse the command line options.""" |
| |
| def _check_option(opt): |
| """Check if the option has been specified.""" |
| if option_dict[opt] is None: |
| msg = 'Error: please specify "--%s".' % opt |
| _parsing_error(msg) |
| |
| def _check_options(opt_list): |
| """Check if exactly one option in the opt_list has been specified.""" |
| if (reduce(and_, [option_dict[opt] is None for opt in opt_list]) or |
| reduce(and_, [option_dict[opt] is not None for opt in opt_list])): |
| msg = 'Error: please specify exact one of %s.' % ' or '.join( |
| ['"--%s"' % opt for opt in opt_list]) |
| _parsing_error(msg) |
| |
| try: |
| short_opt = 'd:hl:n:r:' |
| long_opt = [OPT_DIR, OPT_HELP, OPT_LABEL, OPT_NAME, OPT_REPLACE] |
| opts, args = getopt.getopt(sys.argv[1:], short_opt, long_opt) |
| except getopt.GetoptError, err: |
| _parsing_error(str(err)) |
| |
| # Initialize the option dictionary |
| option_dict = {} |
| option_dict[OPT_DIR] = '.' |
| option_dict[OPT_LABEL] = None |
| option_dict[OPT_NAME] = None |
| option_dict[OPT_REPLACE] = None |
| for opt, arg in opts: |
| if opt in ('-h', '--%s' % OPT_HELP): |
| _usage() |
| sys.exit(1) |
| elif opt in ('-d', '--%s' % OPT_DIR): |
| if os.path.isdir(arg): |
| option_dict[OPT_DIR] = arg |
| else: |
| print 'Error: the directory "%s" does not exist.' % arg |
| sys.exit(1) |
| elif opt in ('-l', '--%s' % OPT_LABEL): |
| option_dict[OPT_LABEL] = arg |
| elif opt in ('-n', '--%s' % OPT_NAME): |
| option_dict[OPT_NAME] = arg |
| elif opt in ('-r', '--%s' % OPT_REPLACE): |
| option_dict[OPT_REPLACE] = arg |
| else: |
| msg = 'Error: This option %s is not handled in program' % opt |
| _parsing_error(msg) |
| |
| _check_options([OPT_LABEL, OPT_NAME]) |
| _check_option(OPT_REPLACE) |
| |
| return option_dict |
| |
| |
| def main(): |
| """Run trackpad autotest on all gesture sets and create a summary report.""" |
| # Parse command options |
| option_dict = _parse_options() |
| |
| # Must specify either 'label' or 'name' to replace |
| user_type = OPT_LABEL if option_dict[OPT_LABEL] is not None else OPT_NAME |
| |
| # Modify the file names recursively in the specified directory. |
| mod_dir(option_dict[OPT_DIR], option_dict[OPT_REPLACE], option_dict, |
| user_type) |
| |
| |
| if __name__ == '__main__': |
| main() |
