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202 lines
7.0 KiB
Python
202 lines
7.0 KiB
Python
# preprocess-locale.py
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# Any copyright is dedicated to the Public Domain.
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# http://creativecommons.org/publicdomain/zero/1.0/
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# preprocess-locale.py provides two functions depending on the arguments passed
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# to it when invoked.
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#
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# Preprocesses installer locale properties files and creates a basic NSIS nlf
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# file when invoked with --preprocess-locale.
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#
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# Converts a UTF-8 file to a new UTF-16LE file when invoked with
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# --convert-utf8-utf16le.
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from codecs import BOM_UTF16_LE
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from os.path import join
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import sys
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def preprocess_locale(argv):
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"""
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Validates command line arguments and displays usage if necessary
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"""
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if len(argv) < 1 or (argv[0] != '--convert-utf8-utf16le' and argv[0] != '--preprocess-locale'):
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sys.stderr.write("""
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preprocess-locale.py
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Commands:
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--convert-utf8-utf16le - preprocesses installer locale properties files and
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creates a basic NSIS nlf file
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--preprocess-locale - converts a UTF-8 file to a new UTF-16LE file
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use "preprocess-locale.py <command>" to see the usage for each command
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""")
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sys.exit(1)
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if argv[0] == '--convert-utf8-utf16le':
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if len(argv) != 3:
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sys.stderr.write("""
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Converts a UTF-8 file to UTF-16LE
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Usage: preprocess-locale.py --convert-utf8-utf16le <src> <dest>
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Arguments:
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<src> \tthe path to the UTF-8 source file to convert
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<dest>\tthe path to the UTF-16LE destination file to create
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""")
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sys.exit(1)
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convert_utf8_utf16le(argv[1], argv[2])
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if argv[0] == '--preprocess-locale':
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if len(argv) != 5:
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sys.stderr.write("""
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Preprocesses the installer localized properties files into the format
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required by NSIS and creates a basic NSIS nlf file.
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Usage: preprocess-locale.py --preprocess-locale <src> <locale> <code> <dest>
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Arguments:
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<src> \tthe path to top source directory for the toolkit source
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<locale>\tthe path to the installer's locale files
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<code> \tthe locale code
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<dest> \tthe path to the destination directory
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""")
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sys.exit(1)
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preprocess_locale_files(argv[1], argv[2], argv[3], argv[4])
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def open_utf16le_file(path):
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"""
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Returns an opened file object with a a UTF-16LE byte order mark.
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"""
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fp = open(path, "w+b")
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fp.write(BOM_UTF16_LE)
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return fp
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def get_locale_strings(path, prefix, middle, add_cr):
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"""
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Returns a string created by converting an installer locale properties file
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into the format required by NSIS locale files.
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Parameters:
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path - the path to the installer locale properties file to preprocess
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prefix - a string to prefix each line with
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middle - a string to insert between the name and value for each line
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add_cr - boolean for whether to add an NSIS carriage return before NSIS
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linefeeds when there isn't one already
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"""
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output = ""
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fp = open(path, "r")
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for line in fp:
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line = line.strip()
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if line == "" or line[0] == "#":
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continue
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name, value = line.split("=", 1)
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value = value.strip() # trim whitespace from the start and end
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if value[-1] == "\"" and value[0] == "\"":
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value = value[1:-1] # remove " from the start and end
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if add_cr:
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value = value.replace("\\n", "\\r\\n") # prefix $\n with $\r
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value = value.replace("\\r\\r", "\\r") # replace $\r$\r with $\r
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value = value.replace("\"", "$\\\"") # prefix " with $\
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value = value.replace("\\r", "$\\r") # prefix \r with $
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value = value.replace("\\n", "$\\n") # prefix \n with $
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value = value.replace("\\t", "$\\t") # prefix \t with $
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output += prefix + name.strip() + middle + " \"" + value + "\"\n"
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fp.close()
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return output
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def preprocess_locale_files(moz_dir, locale_dir, ab_cd, config_dir):
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"""
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Preprocesses the installer localized properties files into the format
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required by NSIS and creates a basic NSIS nlf file.
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Parameters:
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moz_dir - the path to top source directory for the toolkit source
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locale_dir - the path to the installer's locale files
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ab_cd - the locale code
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config_dir - the path to the destination directory
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"""
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# Set the language ID to 0 to make this locale the default locale. An
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# actual ID will need to be used to create a multi-language installer
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# (e.g. for CD distributions, etc.).
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lang_id = "0"
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rtl = "-"
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# Check whether the locale is right to left from locales.nsi.
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fp = open(join(moz_dir, "toolkit/mozapps/installer/windows/nsis/locales.nsi"), "r")
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for line in fp:
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line = line.strip()
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if line == "!define " + ab_cd + "_rtl":
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rtl = "RTL"
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break
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fp.close()
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# Create the main NSIS language file with RTL for right to left locales
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# along with the default codepage, font name, and font size represented
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# by the '-' character.
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fp = open_utf16le_file(join(config_dir, "baseLocale.nlf"))
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fp.write((u"""# Header, don't edit
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NLF v6
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# Start editing here
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# Language ID
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%s
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# Font and size - dash (-) means default
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-
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-
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# Codepage - dash (-) means ANSI code page
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-
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# RTL - anything else than RTL means LTR
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%s
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""" % (lang_id, rtl)).encode("utf-16-le"))
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fp.close()
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# Create the main NSIS language file
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fp = open_utf16le_file(join(config_dir, "overrideLocale.nsh"))
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locale_strings = get_locale_strings(join(locale_dir, "override.properties"),
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"LangString ^", " " + lang_id + " ", False)
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fp.write(unicode(locale_strings, "utf-8").encode("utf-16-le"))
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fp.close()
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# Create the Modern User Interface language file
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fp = open_utf16le_file(join(config_dir, "baseLocale.nsh"))
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fp.write((u""";NSIS Modern User Interface - Language File
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;Compatible with Modern UI 1.68
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;Language: baseLocale (%s)
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!insertmacro MOZ_MUI_LANGUAGEFILE_BEGIN \"baseLocale\"
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!define MUI_LANGNAME \"baseLocale\"
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""" % (lang_id)).encode("utf-16-le"))
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locale_strings = get_locale_strings(join(locale_dir, "mui.properties"),
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"!define ", " ", True)
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fp.write(unicode(locale_strings, "utf-8").encode("utf-16-le"))
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fp.write(u"!insertmacro MOZ_MUI_LANGUAGEFILE_END\n".encode("utf-16-le"))
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fp.close()
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# Create the custom language file for our custom strings
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fp = open_utf16le_file(join(config_dir, "customLocale.nsh"))
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locale_strings = get_locale_strings(join(locale_dir, "custom.properties"),
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"LangString ", " " + lang_id + " ", True)
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fp.write(unicode(locale_strings, "utf-8").encode("utf-16-le"))
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fp.close()
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def convert_utf8_utf16le(in_file_path, out_file_path):
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"""
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Converts a UTF-8 file to a new UTF-16LE file
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Arguments:
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in_file_path - the path to the UTF-8 source file to convert
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out_file_path - the path to the UTF-16LE destination file to create
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"""
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in_fp = open(in_file_path, "r")
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out_fp = open_utf16le_file(out_file_path)
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out_fp.write(unicode(in_fp.read(), "utf-8").encode("utf-16-le"))
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in_fp.close()
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out_fp.close()
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if __name__ == '__main__':
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sys.exit(preprocess_locale(sys.argv[1:]))
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