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+#!/usr/bin/env python
+# encoding: utf-8
+# Thomas Nagy, 2006-2018 (ita)
+
+"""
+Support for translation tools such as msgfmt and intltool
+
+Usage::
+
+ def configure(conf):
+ conf.load('gnu_dirs intltool')
+
+ def build(bld):
+ # process the .po files into .gmo files, and install them in LOCALEDIR
+ bld(features='intltool_po', appname='myapp', podir='po', install_path="${LOCALEDIR}")
+
+ # process an input file, substituting the translations from the po dir
+ bld(
+ features = "intltool_in",
+ podir = "../po",
+ style = "desktop",
+ flags = ["-u"],
+ source = 'kupfer.desktop.in',
+ install_path = "${DATADIR}/applications",
+ )
+
+Usage of the :py:mod:`waflib.Tools.gnu_dirs` is recommended, but not obligatory.
+"""
+
+from __future__ import with_statement
+
+import os, re
+from waflib import Context, Task, Utils, Logs
+import waflib.Tools.ccroot
+from waflib.TaskGen import feature, before_method, taskgen_method
+from waflib.Logs import error
+from waflib.Configure import conf
+
+_style_flags = {
+ 'ba': '-b',
+ 'desktop': '-d',
+ 'keys': '-k',
+ 'quoted': '--quoted-style',
+ 'quotedxml': '--quotedxml-style',
+ 'rfc822deb': '-r',
+ 'schemas': '-s',
+ 'xml': '-x',
+}
+
+@taskgen_method
+def ensure_localedir(self):
+ """
+ Expands LOCALEDIR from DATAROOTDIR/locale if possible, or falls back to PREFIX/share/locale
+ """
+ # use the tool gnu_dirs to provide options to define this
+ if not self.env.LOCALEDIR:
+ if self.env.DATAROOTDIR:
+ self.env.LOCALEDIR = os.path.join(self.env.DATAROOTDIR, 'locale')
+ else:
+ self.env.LOCALEDIR = os.path.join(self.env.PREFIX, 'share', 'locale')
+
+@before_method('process_source')
+@feature('intltool_in')
+def apply_intltool_in_f(self):
+ """
+ Creates tasks to translate files by intltool-merge::
+
+ def build(bld):
+ bld(
+ features = "intltool_in",
+ podir = "../po",
+ style = "desktop",
+ flags = ["-u"],
+ source = 'kupfer.desktop.in',
+ install_path = "${DATADIR}/applications",
+ )
+
+ :param podir: location of the .po files
+ :type podir: string
+ :param source: source files to process
+ :type source: list of string
+ :param style: the intltool-merge mode of operation, can be one of the following values:
+ ``ba``, ``desktop``, ``keys``, ``quoted``, ``quotedxml``, ``rfc822deb``, ``schemas`` and ``xml``.
+ See the ``intltool-merge`` man page for more information about supported modes of operation.
+ :type style: string
+ :param flags: compilation flags ("-quc" by default)
+ :type flags: list of string
+ :param install_path: installation path
+ :type install_path: string
+ """
+ try:
+ self.meths.remove('process_source')
+ except ValueError:
+ pass
+
+ self.ensure_localedir()
+
+ podir = getattr(self, 'podir', '.')
+ podirnode = self.path.find_dir(podir)
+ if not podirnode:
+ error("could not find the podir %r" % podir)
+ return
+
+ cache = getattr(self, 'intlcache', '.intlcache')
+ self.env.INTLCACHE = [os.path.join(str(self.path.get_bld()), podir, cache)]
+ self.env.INTLPODIR = podirnode.bldpath()
+ self.env.append_value('INTLFLAGS', getattr(self, 'flags', self.env.INTLFLAGS_DEFAULT))
+
+ if '-c' in self.env.INTLFLAGS:
+ self.bld.fatal('Redundant -c flag in intltool task %r' % self)
+
+ style = getattr(self, 'style', None)
+ if style:
+ try:
+ style_flag = _style_flags[style]
+ except KeyError:
+ self.bld.fatal('intltool_in style "%s" is not valid' % style)
+
+ self.env.append_unique('INTLFLAGS', [style_flag])
+
+ for i in self.to_list(self.source):
+ node = self.path.find_resource(i)
+
+ task = self.create_task('intltool', node, node.change_ext(''))
+ inst = getattr(self, 'install_path', None)
+ if inst:
+ self.add_install_files(install_to=inst, install_from=task.outputs)
+
+@feature('intltool_po')
+def apply_intltool_po(self):
+ """
+ Creates tasks to process po files::
+
+ def build(bld):
+ bld(features='intltool_po', appname='myapp', podir='po', install_path="${LOCALEDIR}")
+
+ The relevant task generator arguments are:
+
+ :param podir: directory of the .po files
+ :type podir: string
+ :param appname: name of the application
+ :type appname: string
+ :param install_path: installation directory
+ :type install_path: string
+
+ The file LINGUAS must be present in the directory pointed by *podir* and list the translation files to process.
+ """
+ try:
+ self.meths.remove('process_source')
+ except ValueError:
+ pass
+
+ self.ensure_localedir()
+
+ appname = getattr(self, 'appname', getattr(Context.g_module, Context.APPNAME, 'set_your_app_name'))
+ podir = getattr(self, 'podir', '.')
+ inst = getattr(self, 'install_path', '${LOCALEDIR}')
+
+ linguas = self.path.find_node(os.path.join(podir, 'LINGUAS'))
+ if linguas:
+ # scan LINGUAS file for locales to process
+ with open(linguas.abspath()) as f:
+ langs = []
+ for line in f.readlines():
+ # ignore lines containing comments
+ if not line.startswith('#'):
+ langs += line.split()
+ re_linguas = re.compile('[-a-zA-Z_@.]+')
+ for lang in langs:
+ # Make sure that we only process lines which contain locales
+ if re_linguas.match(lang):
+ node = self.path.find_resource(os.path.join(podir, re_linguas.match(lang).group() + '.po'))
+ task = self.create_task('po', node, node.change_ext('.mo'))
+
+ if inst:
+ filename = task.outputs[0].name
+ (langname, ext) = os.path.splitext(filename)
+ inst_file = inst + os.sep + langname + os.sep + 'LC_MESSAGES' + os.sep + appname + '.mo'
+ self.add_install_as(install_to=inst_file, install_from=task.outputs[0],
+ chmod=getattr(self, 'chmod', Utils.O644))
+
+ else:
+ Logs.pprint('RED', "Error no LINGUAS file found in po directory")
+
+class po(Task.Task):
+ """
+ Compiles .po files into .gmo files
+ """
+ run_str = '${MSGFMT} -o ${TGT} ${SRC}'
+ color = 'BLUE'
+
+class intltool(Task.Task):
+ """
+ Calls intltool-merge to update translation files
+ """
+ run_str = '${INTLTOOL} ${INTLFLAGS} ${INTLCACHE_ST:INTLCACHE} ${INTLPODIR} ${SRC} ${TGT}'
+ color = 'BLUE'
+
+@conf
+def find_msgfmt(conf):
+ """
+ Detects msgfmt and sets the ``MSGFMT`` variable
+ """
+ conf.find_program('msgfmt', var='MSGFMT')
+
+@conf
+def find_intltool_merge(conf):
+ """
+ Detects intltool-merge
+ """
+ if not conf.env.PERL:
+ conf.find_program('perl', var='PERL')
+ conf.env.INTLCACHE_ST = '--cache=%s'
+ conf.env.INTLFLAGS_DEFAULT = ['-q', '-u']
+ conf.find_program('intltool-merge', interpreter='PERL', var='INTLTOOL')
+
+def configure(conf):
+ """
+ Detects the program *msgfmt* and set *conf.env.MSGFMT*.
+ Detects the program *intltool-merge* and set *conf.env.INTLTOOL*.
+ It is possible to set INTLTOOL in the environment, but it must not have spaces in it::
+
+ $ INTLTOOL="/path/to/the program/intltool" waf configure
+
+ If a C/C++ compiler is present, execute a compilation test to find the header *locale.h*.
+ """
+ conf.find_msgfmt()
+ conf.find_intltool_merge()
+ if conf.env.CC or conf.env.CXX:
+ conf.check(header_name='locale.h')
+