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04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
261 lines
11 KiB
Python
Executable File
261 lines
11 KiB
Python
Executable File
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# Copyright (C) 2014-2019 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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#
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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'''
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This script is useful for checking backward compatibility of newly
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generated UTF-8 file from utf8_gen.py script
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To see how this script is used, call it with the “-h” option:
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$ ./utf8_compatibility.py -h
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… prints usage message …
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'''
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import sys
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import re
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import argparse
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import unicode_utils
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def create_charmap_dictionary(file_name):
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'''Create a dictionary for all code points found in the CHARMAP
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section of a file
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'''
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with open(file_name, mode='r') as utf8_file:
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charmap_dictionary = {}
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for line in utf8_file:
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if line.startswith('CHARMAP'):
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break
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for line in utf8_file:
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if line.startswith('END CHARMAP'):
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return charmap_dictionary
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if line.startswith('%'):
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continue
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match = re.match(
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r'^<U(?P<codepoint1>[0-9A-F]{4,8})>'
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+r'(:?\.\.<U(?P<codepoint2>[0-9-A-F]{4,8})>)?'
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+r'\s+(?P<hexutf8>(/x[0-9a-f]{2}){1,4})',
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line)
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if not match:
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continue
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codepoint1 = match.group('codepoint1')
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codepoint2 = match.group('codepoint2')
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if not codepoint2:
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codepoint2 = codepoint1
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for i in range(int(codepoint1, 16),
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int(codepoint2, 16) + 1):
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charmap_dictionary[i] = match.group('hexutf8')
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sys.stderr.write('No “CHARMAP” or no “END CHARMAP” found in %s\n'
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%file_name)
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exit(1)
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def check_charmap(original_file_name, new_file_name):
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'''Report differences in the CHARMAP section between the old and the
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new file
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'''
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print('************************************************************')
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print('Report on CHARMAP:')
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ocharmap = create_charmap_dictionary(original_file_name)
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ncharmap = create_charmap_dictionary(new_file_name)
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print('------------------------------------------------------------')
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print('Total removed characters in newly generated CHARMAP: %d'
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%len(set(ocharmap)-set(ncharmap)))
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if ARGS.show_missing_characters:
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for key in sorted(set(ocharmap)-set(ncharmap)):
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print('removed: {:s} {:s} {:s}'.format(
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unicode_utils.ucs_symbol(key),
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ocharmap[key],
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unicode_utils.UNICODE_ATTRIBUTES[key]['name'] \
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None'))
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print('------------------------------------------------------------')
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changed_charmap = {}
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for key in set(ocharmap).intersection(set(ncharmap)):
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if ocharmap[key] != ncharmap[key]:
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changed_charmap[key] = (ocharmap[key], ncharmap[key])
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print('Total changed characters in newly generated CHARMAP: %d'
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%len(changed_charmap))
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if ARGS.show_changed_characters:
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for key in sorted(changed_charmap):
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print('changed: {:s} {:s}->{:s} {:s}'.format(
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unicode_utils.ucs_symbol(key),
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changed_charmap[key][0],
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changed_charmap[key][1],
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unicode_utils.UNICODE_ATTRIBUTES[key]['name'] \
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None'))
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print('------------------------------------------------------------')
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print('Total added characters in newly generated CHARMAP: %d'
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%len(set(ncharmap)-set(ocharmap)))
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if ARGS.show_added_characters:
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for key in sorted(set(ncharmap)-set(ocharmap)):
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print('added: {:s} {:s} {:s}'.format(
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unicode_utils.ucs_symbol(key),
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ncharmap[key],
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unicode_utils.UNICODE_ATTRIBUTES[key]['name'] \
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None'))
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def create_width_dictionary(file_name):
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'''Create a dictionary for all code points found in the WIDTH
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section of a file
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'''
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with open(file_name, mode='r') as utf8_file:
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width_dictionary = {}
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for line in utf8_file:
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if line.startswith('WIDTH'):
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break
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for line in utf8_file:
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if line.startswith('END WIDTH'):
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return width_dictionary
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match = re.match(
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r'^<U(?P<codepoint1>[0-9A-F]{4,8})>'
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+r'(:?\.\.\.<U(?P<codepoint2>[0-9-A-F]{4,8})>)?'
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+r'\s+(?P<width>[02])',
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line)
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if not match:
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continue
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codepoint1 = match.group('codepoint1')
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codepoint2 = match.group('codepoint2')
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if not codepoint2:
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codepoint2 = codepoint1
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for i in range(int(codepoint1, 16),
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int(codepoint2, 16) + 1):
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width_dictionary[i] = int(match.group('width'))
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sys.stderr.write('No “WIDTH” or no “END WIDTH” found in %s\n' %file)
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def check_width(original_file_name, new_file_name):
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'''Report differences in the WIDTH section between the old and the new
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file
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'''
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print('************************************************************')
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print('Report on WIDTH:')
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owidth = create_width_dictionary(original_file_name)
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nwidth = create_width_dictionary(new_file_name)
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print('------------------------------------------------------------')
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print('Total removed characters in newly generated WIDTH: %d'
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%len(set(owidth)-set(nwidth)))
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print('(Characters not in WIDTH get width 1 by default, '
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+ 'i.e. these have width 1 now.)')
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if ARGS.show_missing_characters:
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for key in sorted(set(owidth)-set(nwidth)):
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print('removed: {:s} '.format(unicode_utils.ucs_symbol(key))
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+ '{:d} : '.format(owidth[key])
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+ 'eaw={:s} '.format(
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unicode_utils.EAST_ASIAN_WIDTHS[key]
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if key in unicode_utils.EAST_ASIAN_WIDTHS else 'None')
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+ 'category={:2s} '.format(
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unicode_utils.UNICODE_ATTRIBUTES[key]['category']
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')
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+ 'bidi={:3s} '.format(
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unicode_utils.UNICODE_ATTRIBUTES[key]['bidi']
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')
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+ 'name={:s}'.format(
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unicode_utils.UNICODE_ATTRIBUTES[key]['name']
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None'))
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print('------------------------------------------------------------')
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changed_width = {}
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for key in set(owidth).intersection(set(nwidth)):
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if owidth[key] != nwidth[key]:
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changed_width[key] = (owidth[key], nwidth[key])
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print('Total changed characters in newly generated WIDTH: %d'
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%len(changed_width))
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if ARGS.show_changed_characters:
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for key in sorted(changed_width):
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print('changed width: {:s} '.format(unicode_utils.ucs_symbol(key))
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+ '{:d}->{:d} : '.format(changed_width[key][0],
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changed_width[key][1])
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+ 'eaw={:s} '.format(
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unicode_utils.EAST_ASIAN_WIDTHS[key]
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if key in unicode_utils.EAST_ASIAN_WIDTHS else 'None')
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+ 'category={:2s} '.format(
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unicode_utils.UNICODE_ATTRIBUTES[key]['category']
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')
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+ 'bidi={:3s} '.format(
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unicode_utils.UNICODE_ATTRIBUTES[key]['bidi']
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')
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+ 'name={:s}'.format(
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unicode_utils.UNICODE_ATTRIBUTES[key]['name']
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None'))
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print('------------------------------------------------------------')
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print('Total added characters in newly generated WIDTH: %d'
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%len(set(nwidth)-set(owidth)))
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print('(Characters not in WIDTH get width 1 by default, '
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+ 'i.e. these had width 1 before.)')
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if ARGS.show_added_characters:
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for key in sorted(set(nwidth)-set(owidth)):
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print('added: {:s} '.format(unicode_utils.ucs_symbol(key))
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+ '{:d} : '.format(nwidth[key])
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+ 'eaw={:s} '.format(
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unicode_utils.EAST_ASIAN_WIDTHS[key]
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if key in unicode_utils.EAST_ASIAN_WIDTHS else 'None')
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+ 'category={:2s} '.format(
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unicode_utils.UNICODE_ATTRIBUTES[key]['category']
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')
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+ 'bidi={:3s} '.format(
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unicode_utils.UNICODE_ATTRIBUTES[key]['bidi']
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None')
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+ 'name={:s}'.format(
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unicode_utils.UNICODE_ATTRIBUTES[key]['name']
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if key in unicode_utils.UNICODE_ATTRIBUTES else 'None'))
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if __name__ == "__main__":
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PARSER = argparse.ArgumentParser(
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description='''
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Compare the contents of LC_CTYPE in two files and check for errors.
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''')
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PARSER.add_argument(
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'-o', '--old_utf8_file',
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nargs='?',
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required=True,
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type=str,
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help='The old UTF-8 file.')
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PARSER.add_argument(
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'-n', '--new_utf8_file',
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nargs='?',
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required=True,
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type=str,
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help='The new UTF-8 file.')
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PARSER.add_argument(
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'-u', '--unicode_data_file',
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nargs='?',
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type=str,
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help='The UnicodeData.txt file to read.')
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PARSER.add_argument(
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'-e', '--east_asian_width_file',
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nargs='?',
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type=str,
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help='The EastAsianWidth.txt file to read.')
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PARSER.add_argument(
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'-a', '--show_added_characters',
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action='store_true',
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help='Show characters which were added in detail.')
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PARSER.add_argument(
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'-m', '--show_missing_characters',
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action='store_true',
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help='Show characters which were removed in detail.')
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PARSER.add_argument(
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'-c', '--show_changed_characters',
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action='store_true',
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help='Show characters whose width was changed in detail.')
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ARGS = PARSER.parse_args()
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if ARGS.unicode_data_file:
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unicode_utils.fill_attributes(ARGS.unicode_data_file)
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if ARGS.east_asian_width_file:
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unicode_utils.fill_east_asian_widths(ARGS.east_asian_width_file)
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check_charmap(ARGS.old_utf8_file, ARGS.new_utf8_file)
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check_width(ARGS.old_utf8_file, ARGS.new_utf8_file)
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