316 lines
8.9 KiB
Python
316 lines
8.9 KiB
Python
# Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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# Aegisub Project http://www.aegisub.org/
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# A script to strip all of the data we don't use out of ICU's data files
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# Run from $ICU_ROOT/icu4c/source/data
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from __future__ import unicode_literals
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import re
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import os
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# Remove stuff we don't use at all from the Makefile
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def delete_matching(filename, strs):
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exprs = [re.compile(s) for s in strs]
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with open(filename, encoding='utf-8') as f:
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lines = [line for line in f if not any(r.match(line) for r in exprs)]
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with open(filename, 'w', encoding='utf-8') as f:
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for line in lines:
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f.write(line)
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REMOVE_SUBDIRS=['LOCSRCDIR', 'CURRSRCDIR', 'ZONESRCDIR', 'COLSRCDIR', 'RBNFSRCDIR', 'TRANSLITSRCDIR']
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delete_matching('Makefile.in', ['^-include .*%s' % s for s in REMOVE_SUBDIRS])
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delete_matching('Makefile.in', ['^CNV_FILES'])
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with open('misc/misclocal.mk', 'w', encoding='utf-8') as f:
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f.write('MISC_SOURCE = supplementalData.txt likelySubtags.txt icuver.txt icustd.txt metadata.txt')
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# Remove data we don't need from the lang and region files
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def parse_txt(filename):
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root = {}
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cur = root
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stack = [root]
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comment = False
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for line in open(filename, encoding='utf-8'):
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line = line.strip()
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if len(line) == 0:
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continue
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if '//' in line:
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continue
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if '/*' in line:
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comment = True
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continue
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if comment:
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if '*/' in line:
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comment = False
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continue
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if line == '}':
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stack.pop()
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cur = stack[-1]
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continue
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if line.endswith('{'):
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obj = {}
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cur[line[:-1]] = obj
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cur = obj
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stack.append(obj)
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continue
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m = re.match('(.*){"(.*)"}', line)
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if m:
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cur[m.group(1)] = m.group(2)
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return root
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def remove_sections(root):
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for child in root.values():
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child.pop('Keys', None)
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child.pop('LanguagesShort', None)
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child.pop('Types', None)
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child.pop('Variants', None)
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child.pop('codePatterns', None)
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child.pop('localeDisplayPattern', None)
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child.pop('CountriesShort', None)
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child.pop('Scripts%stand-alone', None)
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def remove_languages(root):
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for lang, child in root.items():
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# We only care about a language's name in that language
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lang = lang.split('_')[0]
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trimmed = {}
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v = child.get('Languages', {}).get(lang)
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if v:
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trimmed[lang] = v
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child['Languages'] = trimmed
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# Scripts which are actually used by stuff
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SCRIPTS = ['Cyrl', 'Latn', 'Arab', 'Vaii', 'Hans', 'Hant']
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def remove_scripts(root):
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for lang, child in root.items():
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v = child.get('Scripts')
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if not v:
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continue
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trimmed = {}
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for script in SCRIPTS:
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if v.get(script):
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trimmed[script] = v[script]
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child['Scripts'] = trimmed
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def write_dict(name, value, out, indent):
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if len(value) == 0:
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return
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child_indent = indent + ' '
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out.write(indent)
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out.write(name)
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out.write('{\n')
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for k in sorted(value.keys()):
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v = value[k]
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if type(v) == dict:
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write_dict(k, v, out, child_indent)
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else:
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out.write(('%s%s{"%s"}\n' % (child_indent, k, v)))
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out.write(indent)
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out.write('}\n')
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def write_file(root, filename):
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with open(filename, 'w', encoding='utf-8') as f:
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for k, v in root.items():
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write_dict(k, v, f, '')
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def minify_lang(filename):
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f = parse_txt(filename)
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remove_sections(f)
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remove_languages(f)
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remove_scripts(f)
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write_file(f, filename)
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for name in os.listdir('lang'):
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if not name.endswith('.txt'):
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continue
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minify_lang('lang/' + name)
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# gather information about which language+region combinations actually exist,
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# so that we can drop all others
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def gather_regions():
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langs = {
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'af': ['ZA'],
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'am': ['ET'],
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'ar': ['AE', 'BH', 'DZ', 'EG', 'IQ', 'JO', 'KW', 'LB', 'LY', 'MA', 'OM', 'QA', 'SA', 'SY', 'TN', 'YE'],
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'arn': ['CL'],
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'as': ['IN'],
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'az': ['AZ', 'AZ'],
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'ba': ['RU'],
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'be': ['BY'],
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'bg': ['BG'],
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'bn': ['BD', 'IN'],
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'bo': ['CN'],
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'br': ['FR'],
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'bs': ['BA', 'BA'],
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'ca': ['ES'],
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'co': ['FR'],
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'cs': ['CZ'],
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'cy': ['GB'],
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'da': ['DK'],
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'de': ['AT', 'CH', 'DE', 'LI', 'LU'],
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'div': ['MV'],
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'el': ['GR'],
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'en': ['029', 'AU', 'BZ', 'CA', 'GB', 'IE', 'IN', 'JM', 'MY', 'NZ', 'PH', 'SG', 'TT', 'US', 'ZA', 'ZW'],
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'es': ['AR', 'BO', 'CL', 'CO', 'CR', 'DO', 'EC', 'ES', 'GT', 'HN', 'MX', 'NI', 'PA', 'PE', 'PR', 'PY', 'SV', 'US', 'UY', 'VE'],
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'et': ['EE'],
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'eu': ['ES'],
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'fa': ['IR'],
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'fi': ['FI'],
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'fil': ['PH'],
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'fo': ['FO'],
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'fr': ['BE', 'CA', 'CH', 'FR', 'LU', 'MC'],
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'fy': ['NL'],
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'ga': ['IE'],
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'gl': ['ES'],
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'gsw': ['FR'],
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'gu': ['IN'],
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'ha': ['NG'],
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'he': ['IL'],
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'hi': ['IN'],
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'hr': ['BA', 'HR'],
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'hu': ['HU'],
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'hy': ['AM'],
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'id': ['ID'],
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'ig': ['NG'],
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'ii': ['CN'],
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'is': ['IS'],
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'it': ['CH', 'IT'],
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'iu': ['CA', 'CA'],
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'ja': ['JP'],
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'ka': ['GE'],
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'kk': ['KZ'],
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'kl': ['GL'],
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'km': ['KH'],
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'kn': ['IN'],
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'ko': ['KR'],
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'kok': ['IN'],
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'ky': ['KG'],
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'lb': ['LU'],
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'lo': ['LA'],
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'lt': ['LT'],
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'lv': ['LV'],
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'mi': ['NZ'],
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'mk': ['MK'],
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'ml': ['IN'],
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'mn': ['CN', 'MN'],
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'moh': ['CA'],
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'mr': ['IN'],
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'ms': ['BN', 'MY'],
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'mt': ['MT'],
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'nb': ['NO'],
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'ne': ['NP'],
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'nl': ['BE', 'NL'],
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'nn': ['NO'],
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'nso': ['ZA'],
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'oc': ['FR'],
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'or': ['IN'],
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'pa': ['IN'],
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'pl': ['PL'],
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'prs': ['AF'],
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'ps': ['AF'],
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'pt': ['BR', 'PT'],
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'qut': ['GT'],
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'quz': ['BO', 'EC', 'PE'],
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'rm': ['CH'],
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'ro': ['RO'],
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'ru': ['RU'],
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'rw': ['RW'],
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'sa': ['IN'],
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'sah': ['RU'],
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'se': ['FI', 'NO', 'SE'],
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'si': ['LK'],
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'sk': ['SK'],
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'sl': ['SI'],
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'sma': ['NO', 'SE'],
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'smj': ['NO', 'SE'],
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'smn': ['FI'],
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'sms': ['FI'],
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'sq': ['AL'],
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'sr': ['BA', 'BA', 'SP', 'YU'],
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'sv': ['FI', 'SE'],
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'sw': ['KE', 'TZ'],
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'syr': ['SY'],
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'ta': ['IN'],
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'te': ['IN'],
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'tg': ['TJ'],
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'th': ['TH'],
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'tk': ['TM'],
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'tn': ['ZA'],
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'tr': ['TR'],
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'tt': ['RU'],
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'tzm': ['DZ'],
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'ug': ['CN'],
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'uk': ['UA'],
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'ur': ['PK'],
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'uz': ['UZ', 'UZ'],
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'vi': ['VN'],
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'wee': ['DE'],
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'wen': ['DE'],
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'wo': ['SN'],
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'xh': ['ZA'],
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'yo': ['NG'],
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'zh': ['CN', 'HK', 'MO', 'SG', 'TW'],
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'zu': ['ZA']
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}
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for name in os.listdir('region'):
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if not name.endswith('.txt'): continue
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parts = name[:-4].split('_')
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if len(parts) == 1: continue
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if not parts[0] in langs:
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langs[parts[0]] = []
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langs[parts[0]].extend(parts[1:])
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return langs
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REGIONS = gather_regions()
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def remove_countries(root):
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for lang, child in root.items():
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v = child.get('Countries', {})
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if not v: continue
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# We only care about the names for regions in the languages used in
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# those regions
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lang = lang.split('_')[0]
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regions = REGIONS.get(lang)
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if not regions:
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del child['Countries']
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continue
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trimmed = {}
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for region in regions:
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name = v.get(region)
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if name:
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trimmed[region] = name
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child['Countries'] = trimmed
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def minify_region(filename):
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f = parse_txt(filename)
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remove_sections(f)
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remove_countries(f)
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write_file(f, filename)
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for name in os.listdir('region'):
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if not name.endswith('.txt'):
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continue
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minify_region('region/' + name)
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