glibc/localedata/unicode-gen/utf8_compatibility.py

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#!/usr/bin/python3
# -*- coding: utf-8 -*-
# Copyright (C) 2014-2024 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
Prefer https to http for gnu.org and fsf.org URLs Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 05:40:42 +00:00
# <https://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)