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gecko-dev/toolkit/mozapps/installer/windows/nsis/preprocess-locale.py

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Python
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# preprocess-locale.py
# Any copyright is dedicated to the Public Domain.
# http://creativecommons.org/publicdomain/zero/1.0/
# preprocess-locale.py provides two functions depending on the arguments passed
# to it when invoked.
#
# Preprocesses installer locale properties files and creates a basic NSIS nlf
# file when invoked with --preprocess-locale.
#
# Converts a UTF-8 file to a new UTF-16LE file when invoked with
# --convert-utf8-utf16le.
from codecs import BOM_UTF16_LE
from os.path import join, isfile
import sys
from optparse import OptionParser
def open_utf16le_file(path):
"""
Returns an opened file object with a a UTF-16LE byte order mark.
"""
fp = open(path, "w+b")
fp.write(BOM_UTF16_LE)
return fp
def get_locale_strings(path, prefix, middle, add_cr):
"""
Returns a string created by converting an installer locale properties file
into the format required by NSIS locale files.
Parameters:
path - the path to the installer locale properties file to preprocess
prefix - a string to prefix each line with
middle - a string to insert between the name and value for each line
add_cr - boolean for whether to add an NSIS carriage return before NSIS
linefeeds when there isn't one already
"""
output = ""
fp = open(path, "r")
for line in fp:
line = line.strip()
if line == "" or line[0] == "#":
continue
name, value = line.split("=", 1)
value = value.strip() # trim whitespace from the start and end
if value and value[-1] == "\"" and value[0] == "\"":
value = value[1:-1] # remove " from the start and end
if add_cr:
value = value.replace("\\n", "\\r\\n") # prefix $\n with $\r
value = value.replace("\\r\\r", "\\r") # replace $\r$\r with $\r
value = value.replace("\"", "$\\\"") # prefix " with $\
value = value.replace("\\r", "$\\r") # prefix \r with $
value = value.replace("\\n", "$\\n") # prefix \n with $
value = value.replace("\\t", "$\\t") # prefix \t with $
output += prefix + name.strip() + middle + " \"" + value + "\"\n"
fp.close()
return output
def lookup(path, l10ndirs):
for d in l10ndirs:
if isfile(join(d, path)):
return join(d, path)
return join(l10ndirs[-1], path)
def preprocess_locale_files(config_dir, l10ndirs):
"""
Preprocesses the installer localized properties files into the format
required by NSIS and creates a basic NSIS nlf file.
Parameters:
config_dir - the path to the destination directory
l10ndirs - list of paths to search for installer locale files
"""
# Create the main NSIS language file
fp = open_utf16le_file(join(config_dir, "overrideLocale.nsh"))
locale_strings = get_locale_strings(lookup("override.properties",
l10ndirs),
"LangString ^",
" 0 ",
False)
fp.write(unicode(locale_strings, "utf-8").encode("utf-16-le"))
fp.close()
# Create the Modern User Interface language file
fp = open_utf16le_file(join(config_dir, "baseLocale.nsh"))
fp.write((u""";NSIS Modern User Interface - Language File
;Compatible with Modern UI 1.68
;Language: baseLocale (0)
!insertmacro MOZ_MUI_LANGUAGEFILE_BEGIN \"baseLocale\"
!define MUI_LANGNAME \"baseLocale\"
""").encode("utf-16-le"))
locale_strings = get_locale_strings(lookup("mui.properties", l10ndirs),
"!define ", " ", True)
fp.write(unicode(locale_strings, "utf-8").encode("utf-16-le"))
fp.write(u"!insertmacro MOZ_MUI_LANGUAGEFILE_END\n".encode("utf-16-le"))
fp.close()
# Create the custom language file for our custom strings
fp = open_utf16le_file(join(config_dir, "customLocale.nsh"))
locale_strings = get_locale_strings(lookup("custom.properties",
l10ndirs),
"LangString ",
" 0 ",
True)
fp.write(unicode(locale_strings, "utf-8").encode("utf-16-le"))
fp.close()
def create_nlf_file(moz_dir, ab_cd, config_dir):
"""
Create a basic NSIS nlf file.
Parameters:
moz_dir - the path to top source directory for the toolkit source
ab_cd - the locale code
config_dir - the path to the destination directory
"""
rtl = "-"
# Check whether the locale is right to left from locales.nsi.
fp = open(join(moz_dir,
"toolkit/mozapps/installer/windows/nsis/locales.nsi"),
"r")
for line in fp:
line = line.strip()
if line == "!define " + ab_cd + "_rtl":
rtl = "RTL"
break
fp.close()
# Create the main NSIS language file with RTL for right to left locales
# along with the default codepage, font name, and font size represented
# by the '-' character.
fp = open_utf16le_file(join(config_dir, "baseLocale.nlf"))
fp.write((u"""# Header, don't edit
NLF v6
# Start editing here
# Language ID
0
# Font and size - dash (-) means default
-
-
# Codepage - dash (-) means ANSI code page
-
# RTL - anything else than RTL means LTR
%s
""" % rtl).encode("utf-16-le"))
fp.close()
def preprocess_locale_file(config_dir,
l10ndirs,
properties_filename,
output_filename):
"""
Preprocesses a single localized properties file into the format
required by NSIS and creates a basic NSIS nlf file.
Parameters:
config_dir - the path to the destination directory
l10ndirs - list of paths to search for installer locale files
properties_filename - the name of the properties file to search for
output_filename - the output filename to write
"""
# Create the custom language file for our custom strings
fp = open_utf16le_file(join(config_dir, output_filename))
locale_strings = get_locale_strings(lookup(properties_filename,
l10ndirs),
"LangString ",
" 0 ",
True)
fp.write(unicode(locale_strings, "utf-8").encode("utf-16-le"))
fp.close()
def convert_utf8_utf16le(in_file_path, out_file_path):
"""
Converts a UTF-8 file to a new UTF-16LE file
Arguments:
in_file_path - the path to the UTF-8 source file to convert
out_file_path - the path to the UTF-16LE destination file to create
"""
in_fp = open(in_file_path, "r")
out_fp = open_utf16le_file(out_file_path)
out_fp.write(unicode(in_fp.read(), "utf-8").encode("utf-16-le"))
in_fp.close()
out_fp.close()
if __name__ == '__main__':
usage = """usage: %prog command <args>
Commands:
--convert-utf8-utf16le - Preprocesses installer locale properties files
--preprocess-locale - Preprocesses the installer localized properties
files into the format required by NSIS and
creates a basic NSIS nlf file.
--preprocess-single-file - Preprocesses a single properties file into the
format required by NSIS
--create-nlf-file - Creates a basic NSIS nlf file
preprocess-locale.py --preprocess-locale <src> <locale> <code> <dest>
Arguments:
<src> \tthe path to top source directory for the toolkit source
<locale>\tthe path to the installer's locale files
<code> \tthe locale code
<dest> \tthe path to the destination directory
preprocess-locale.py --preprocess-single-file <src>
<locale>
<dest>
<infile>
<outfile>
Arguments:
<src> \tthe path to top source directory for the toolkit source
<locale> \tthe path to the installer's locale files
<dest> \tthe path to the destination directory
<infile> \tthe properties file to process
<outfile>\tthe nsh file to write
preprocess-locale.py --create-nlf-file <src>
<code>
<dest>
Arguments:
<src> \tthe path to top source directory for the toolkit source
<code> \tthe locale code
<dest> \tthe path to the destination directory
preprocess-locale.py --convert-utf8-utf16le <src> <dest>
Arguments:
<src> \tthe path to the UTF-8 source file to convert
<dest>\tthe path to the UTF-16LE destination file to create
"""
preprocess_locale_args_help_string = """\
Arguments to --preprocess-locale should be:
<src> <locale> <code> <dest>
or
<src> <code> <dest> --l10n-dir <dir> [--l10n-dir <dir> ...]"""
preprocess_single_file_args_help_string = """\
Arguments to --preprocess-single_file should be:
<src> <locale> <code> <dest> <infile> <outfile>
or
<src> <locale> <code> <dest> <infile> <outfile>
--l10n-dir <dir> [--l10n-dir <dir>...]"""
create_nlf_args_help_string = """\
Arguments to --create-nlf-file should be:
<src> <code> <dest>"""
p = OptionParser(usage=usage)
p.add_option("--preprocess-locale", action="store_true", default=False,
dest='preprocess')
p.add_option("--preprocess-single-file", action="store_true", default=False,
dest='preprocessSingle')
p.add_option("--create-nlf-file", action="store_true", default=False,
dest='createNlf')
p.add_option("--l10n-dir", action="append", default=[],
dest="l10n_dirs",
help="Add directory to lookup for locale files")
p.add_option("--convert-utf8-utf16le", action="store_true", default=False,
dest='convert')
options, args = p.parse_args()
foundOne = False
if (options.preprocess):
foundOne = True
if (options.convert):
if(foundOne):
p.error("More than one command specified")
else:
foundOne = True
if (options.preprocessSingle):
if(foundOne):
p.error("More than one command specified")
else:
foundOne = True
if (options.createNlf):
if(foundOne):
p.error("More than one command specified")
else:
foundOne = True
if (not foundOne):
p.error("No command specified")
if options.preprocess:
if len(args) not in (3,4):
p.error(preprocess_locale_args_help_string)
# Parse args
pargs = args[:]
moz_dir = pargs[0]
if len(pargs) == 4:
l10n_dirs = [pargs[1]]
del pargs[1]
else:
if not options.l10n_dirs:
p.error(preprocess_locale_args_help_string)
l10n_dirs = options.l10n_dirs
ab_cd = pargs[1]
config_dir = pargs[2]
# Create the output files
create_nlf_file(moz_dir, ab_cd, config_dir)
preprocess_locale_files(config_dir, l10n_dirs)
elif options.preprocessSingle:
if len(args) not in (4,5):
p.error(preprocess_single_file_args_help_string)
# Parse args
pargs = args[:]
moz_dir = pargs[0]
if len(pargs) == 5:
l10n_dirs = [pargs[1]]
del pargs[1]
else:
if not options.l10n_dirs:
p.error(preprocess_single_file_args_help_string)
l10n_dirs = options.l10n_dirs
config_dir = pargs[1]
in_file = pargs[2]
out_file = pargs[3]
# Create the output files
preprocess_locale_file(config_dir,
l10n_dirs,
in_file,
out_file)
elif options.createNlf:
if len(args) != 3:
p.error(create_nlf_args_help_string)
# Parse args
pargs = args[:]
moz_dir = pargs[0]
ab_cd = pargs[1]
config_dir = pargs[2]
# Create the output files
create_nlf_file(moz_dir, ab_cd, config_dir)
elif options.convert:
if len(args) != 2:
p.error("--convert-utf8-utf16le needs both of <src> <dest>")
convert_utf8_utf16le(*args)
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