diff options
Diffstat (limited to 'REORG.TODO/localedata/unicode-gen/utf8_compatibility.py')
| -rwxr-xr-x | REORG.TODO/localedata/unicode-gen/utf8_compatibility.py | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/REORG.TODO/localedata/unicode-gen/utf8_compatibility.py b/REORG.TODO/localedata/unicode-gen/utf8_compatibility.py new file mode 100755 index 0000000000..66ec802f6e --- /dev/null +++ b/REORG.TODO/localedata/unicode-gen/utf8_compatibility.py @@ -0,0 +1,260 @@ +#!/usr/bin/python3 +# -*- coding: utf-8 -*- +# Copyright (C) 2014-2017 Free Software Foundation, Inc. +# This file is part of the GNU C Library. +# +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library; if not, see +# <http://www.gnu.org/licenses/>. + +''' +This script is useful for checking backward compatibility of newly +generated UTF-8 file from utf8_gen.py script + +To see how this script is used, call it with the “-h” option: + + $ ./utf8_compatibility.py -h + … prints usage message … +''' + +import sys +import re +import argparse +import unicode_utils + +def create_charmap_dictionary(file_name): + '''Create a dictionary for all code points found in the CHARMAP + section of a file + ''' + with open(file_name, mode='r') as utf8_file: + charmap_dictionary = {} + for line in utf8_file: + if line.startswith('CHARMAP'): + break + for line in utf8_file: + if line.startswith('END CHARMAP'): + return charmap_dictionary + if line.startswith('%'): + continue + match = re.match( + r'^<U(?P<codepoint1>[0-9A-F]{4,8})>' + +r'(:?\.\.<U(?P<codepoint2>[0-9-A-F]{4,8})>)?' + +r'\s+(?P<hexutf8>(/x[0-9a-f]{2}){1,4})', + line) + if not match: + continue + codepoint1 = match.group('codepoint1') + codepoint2 = match.group('codepoint2') + if not codepoint2: + codepoint2 = codepoint1 + for i in range(int(codepoint1, 16), + int(codepoint2, 16) + 1): + charmap_dictionary[i] = match.group('hexutf8') + sys.stderr.write('No “CHARMAP” or no “END CHARMAP” found in %s\n' + %file_name) + exit(1) + +def check_charmap(original_file_name, new_file_name): + '''Report differences in the CHARMAP section between the old and the + new file + ''' + print('************************************************************') + print('Report on CHARMAP:') + ocharmap = create_charmap_dictionary(original_file_name) + ncharmap = create_charmap_dictionary(new_file_name) + print('------------------------------------------------------------') + print('Total removed characters in newly generated CHARMAP: %d' + %len(set(ocharmap)-set(ncharmap))) + if ARGS.show_missing_characters: + for key in sorted(set(ocharmap)-set(ncharmap)): + print('removed: {:s} {:s} {:s}'.format( + unicode_utils.ucs_symbol(key), + ocharmap[key], + unicode_utils.UNICODE_ATTRIBUTES[key]['name'] \ + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')) + print('------------------------------------------------------------') + changed_charmap = {} + for key in set(ocharmap).intersection(set(ncharmap)): + if ocharmap[key] != ncharmap[key]: + changed_charmap[key] = (ocharmap[key], ncharmap[key]) + print('Total changed characters in newly generated CHARMAP: %d' + %len(changed_charmap)) + if ARGS.show_changed_characters: + for key in sorted(changed_charmap): + print('changed: {:s} {:s}->{:s} {:s}'.format( + unicode_utils.ucs_symbol(key), + changed_charmap[key][0], + changed_charmap[key][1], + unicode_utils.UNICODE_ATTRIBUTES[key]['name'] \ + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')) + print('------------------------------------------------------------') + print('Total added characters in newly generated CHARMAP: %d' + %len(set(ncharmap)-set(ocharmap))) + if ARGS.show_added_characters: + for key in sorted(set(ncharmap)-set(ocharmap)): + print('added: {:s} {:s} {:s}'.format( + unicode_utils.ucs_symbol(key), + ncharmap[key], + unicode_utils.UNICODE_ATTRIBUTES[key]['name'] \ + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')) + +def create_width_dictionary(file_name): + '''Create a dictionary for all code points found in the WIDTH + section of a file + ''' + with open(file_name, mode='r') as utf8_file: + width_dictionary = {} + for line in utf8_file: + if line.startswith('WIDTH'): + break + for line in utf8_file: + if line.startswith('END WIDTH'): + return width_dictionary + match = re.match( + r'^<U(?P<codepoint1>[0-9A-F]{4,8})>' + +r'(:?\.\.\.<U(?P<codepoint2>[0-9-A-F]{4,8})>)?' + +r'\s+(?P<width>[02])', + line) + if not match: + continue + codepoint1 = match.group('codepoint1') + codepoint2 = match.group('codepoint2') + if not codepoint2: + codepoint2 = codepoint1 + for i in range(int(codepoint1, 16), + int(codepoint2, 16) + 1): + width_dictionary[i] = int(match.group('width')) + sys.stderr.write('No “WIDTH” or no “END WIDTH” found in %s\n' %file) + +def check_width(original_file_name, new_file_name): + '''Report differences in the WIDTH section between the old and the new + file + ''' + print('************************************************************') + print('Report on WIDTH:') + owidth = create_width_dictionary(original_file_name) + nwidth = create_width_dictionary(new_file_name) + print('------------------------------------------------------------') + print('Total removed characters in newly generated WIDTH: %d' + %len(set(owidth)-set(nwidth))) + print('(Characters not in WIDTH get width 1 by default, ' + + 'i.e. these have width 1 now.)') + if ARGS.show_missing_characters: + for key in sorted(set(owidth)-set(nwidth)): + print('removed: {:s} '.format(unicode_utils.ucs_symbol(key)) + + '{:d} : '.format(owidth[key]) + + 'eaw={:s} '.format( + unicode_utils.EAST_ASIAN_WIDTHS[key] + if key in unicode_utils.EAST_ASIAN_WIDTHS else 'None') + + 'category={:2s} '.format( + unicode_utils.UNICODE_ATTRIBUTES[key]['category'] + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None') + + 'bidi={:3s} '.format( + unicode_utils.UNICODE_ATTRIBUTES[key]['bidi'] + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None') + + 'name={:s}'.format( + unicode_utils.UNICODE_ATTRIBUTES[key]['name'] + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')) + print('------------------------------------------------------------') + changed_width = {} + for key in set(owidth).intersection(set(nwidth)): + if owidth[key] != nwidth[key]: + changed_width[key] = (owidth[key], nwidth[key]) + print('Total changed characters in newly generated WIDTH: %d' + %len(changed_width)) + if ARGS.show_changed_characters: + for key in sorted(changed_width): + print('changed width: {:s} '.format(unicode_utils.ucs_symbol(key)) + + '{:d}->{:d} : '.format(changed_width[key][0], + changed_width[key][1]) + + 'eaw={:s} '.format( + unicode_utils.EAST_ASIAN_WIDTHS[key] + if key in unicode_utils.EAST_ASIAN_WIDTHS else 'None') + + 'category={:2s} '.format( + unicode_utils.UNICODE_ATTRIBUTES[key]['category'] + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None') + + 'bidi={:3s} '.format( + unicode_utils.UNICODE_ATTRIBUTES[key]['bidi'] + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None') + + 'name={:s}'.format( + unicode_utils.UNICODE_ATTRIBUTES[key]['name'] + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')) + print('------------------------------------------------------------') + print('Total added characters in newly generated WIDTH: %d' + %len(set(nwidth)-set(owidth))) + print('(Characters not in WIDTH get width 1 by default, ' + + 'i.e. these had width 1 before.)') + if ARGS.show_added_characters: + for key in sorted(set(nwidth)-set(owidth)): + print('added: {:s} '.format(unicode_utils.ucs_symbol(key)) + + '{:d} : '.format(nwidth[key]) + + 'eaw={:s} '.format( + unicode_utils.EAST_ASIAN_WIDTHS[key] + if key in unicode_utils.EAST_ASIAN_WIDTHS else 'None') + + 'category={:2s} '.format( + unicode_utils.UNICODE_ATTRIBUTES[key]['category'] + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None') + + 'bidi={:3s} '.format( + unicode_utils.UNICODE_ATTRIBUTES[key]['bidi'] + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None') + + 'name={:s}'.format( + unicode_utils.UNICODE_ATTRIBUTES[key]['name'] + if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')) + +if __name__ == "__main__": + PARSER = argparse.ArgumentParser( + description=''' + Compare the contents of LC_CTYPE in two files and check for errors. + ''') + PARSER.add_argument( + '-o', '--old_utf8_file', + nargs='?', + required=True, + type=str, + help='The old UTF-8 file.') + PARSER.add_argument( + '-n', '--new_utf8_file', + nargs='?', + required=True, + type=str, + help='The new UTF-8 file.') + PARSER.add_argument( + '-u', '--unicode_data_file', + nargs='?', + type=str, + help='The UnicodeData.txt file to read.') + PARSER.add_argument( + '-e', '--east_asian_width_file', + nargs='?', + type=str, + help='The EastAsianWidth.txt file to read.') + PARSER.add_argument( + '-a', '--show_added_characters', + action='store_true', + help='Show characters which were added in detail.') + PARSER.add_argument( + '-m', '--show_missing_characters', + action='store_true', + help='Show characters which were removed in detail.') + PARSER.add_argument( + '-c', '--show_changed_characters', + action='store_true', + help='Show characters whose width was changed in detail.') + ARGS = PARSER.parse_args() + + if ARGS.unicode_data_file: + unicode_utils.fill_attributes(ARGS.unicode_data_file) + if ARGS.east_asian_width_file: + unicode_utils.fill_east_asian_widths(ARGS.east_asian_width_file) + check_charmap(ARGS.old_utf8_file, ARGS.new_utf8_file) + check_width(ARGS.old_utf8_file, ARGS.new_utf8_file) |