goa/tools/i18n.py
author Nicolas Chauvat <nicolas.chauvat@logilab.fr>
Mon, 22 Dec 2008 17:02:01 +0100
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child 447 0e52d72104a6
permissions -rw-r--r--
[doc] add internal links from book abstract
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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#!/usr/bin/env python
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"""This script is just a thin wrapper around ``msgcat`` and ``msgfmt``
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to generate ``.mo`` files
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"""
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import sys
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import os
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import os.path as osp
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import shutil
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from tempfile import mktemp
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from glob import glob
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from mx.DateTime import now
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from logilab.common.fileutils import ensure_fs_mode
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from logilab.common.shellutils import find, rm
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from yams import BASE_TYPES
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from cubicweb import CW_SOFTWARE_ROOT
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# from cubicweb.__pkginfo__ import version as cubicwebversion
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cubicwebversion = '2.48.2'
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DEFAULT_POT_HEAD = r'''# LAX application po file
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msgid ""
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msgstr ""
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"Project-Id-Version: cubicweb %s\n"
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"PO-Revision-Date: 2008-03-28 18:14+0100\n"
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"Last-Translator: Logilab Team <contact@logilab.fr>\n"
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"Language-Team: fr <contact@logilab.fr>\n"
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"MIME-Version: 1.0\n"
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"Content-Type: text/plain; charset=UTF-8\n"
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"Content-Transfer-Encoding: 8bit\n"
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"Generated-By: cubicweb-devtools\n"
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"Plural-Forms: nplurals=2; plural=(n > 1);\n"
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''' % cubicwebversion
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STDLIB_ERTYPES = BASE_TYPES | set( ('EUser', 'EProperty', 'Card', 'identity', 'for_user') )
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def create_dir(directory):
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    """create a directory if it doesn't exist yet"""
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    try:
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        os.makedirs(directory)
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        print 'created directory', directory
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    except OSError, ex:
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        import errno
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        if ex.errno != errno.EEXIST:
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            raise
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        print 'directory %s already exists' % directory
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def execute(cmd):
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    """display the command, execute it and raise an Exception if returned
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    status != 0
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    """
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    print cmd.replace(os.getcwd() + os.sep, '')
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    status = os.system(cmd)
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    if status != 0:
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        raise Exception()
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def add_msg(w, msgid):
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    """write an empty pot msgid definition"""
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    if isinstance(msgid, unicode):
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        msgid = msgid.encode('utf-8')
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    msgid = msgid.replace('"', r'\"').splitlines()
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    if len(msgid) > 1:
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        w('msgid ""\n')
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        for line in msgid:
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            w('"%s"' % line.replace('"', r'\"'))
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    else:
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        w('msgid "%s"\n' % msgid[0])
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    w('msgstr ""\n\n')
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def generate_schema_pot(w, vreg, tmpldir):
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    """generate a pot file with schema specific i18n messages
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    notice that relation definitions description and static vocabulary
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    should be marked using '_' and extracted using xgettext
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    """
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    cube = tmpldir and osp.split(tmpldir)[-1]
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    config = vreg.config
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    vreg.register_objects(config.vregistry_path())
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    w(DEFAULT_POT_HEAD)
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    _generate_schema_pot(w, vreg, vreg.schema, libschema=None, # no libschema for now
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                         cube=cube)
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def _generate_schema_pot(w, vreg, schema, libschema=None, cube=None):
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    w('# schema pot file, generated on %s\n' % now().strftime('%Y-%m-%d %H:%M:%S'))
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    w('# \n')
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    w('# singular and plural forms for each entity type\n')
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    w('\n')
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    # XXX hard-coded list of stdlib's entity schemas
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    libschema = libschema or STDLIB_ERTYPES
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    entities = [e for e in schema.entities() if not e in libschema]
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    done = set()
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    for eschema in sorted(entities):
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        etype = eschema.type
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        add_msg(w, etype)
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        add_msg(w, '%s_plural' % etype)
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        if not eschema.is_final():
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            add_msg(w, 'This %s' % etype)
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            add_msg(w, 'New %s' % etype)
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            add_msg(w, 'add a %s' % etype)
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            add_msg(w, 'remove this %s' % etype)
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        if eschema.description and not eschema.description in done:
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            done.add(eschema.description)
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            add_msg(w, eschema.description)
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    w('# subject and object forms for each relation type\n')
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    w('# (no object form for final relation types)\n')
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    w('\n')
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    if libschema is not None:
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        relations = [r for r in schema.relations() if not r in libschema]
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    else:
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        relations = schema.relations()
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    for rschema in sorted(set(relations)):
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        rtype = rschema.type
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        add_msg(w, rtype)
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        if not (schema.rschema(rtype).is_final() or rschema.symetric):
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            add_msg(w, '%s_object' % rtype)
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        if rschema.description and rschema.description not in done:
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            done.add(rschema.description)
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            add_msg(w, rschema.description)
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    w('# add related box generated message\n')
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    w('\n')
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    for eschema in schema.entities():
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        if eschema.is_final():
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            continue
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        entity = vreg.etype_class(eschema)(None, None)
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   132
        for x, rschemas in (('subject', eschema.subject_relations()),
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   133
                            ('object', eschema.object_relations())):
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   134
            for rschema in rschemas:
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diff changeset
   135
                if rschema.is_final():
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diff changeset
   136
                    continue
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diff changeset
   137
                for teschema in rschema.targets(eschema, x):
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   138
                    if defined_in_library(libschema, eschema, rschema, teschema, x):
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   139
                        continue
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   140
                    if entity.relation_mode(rschema.type, teschema.type, x) == 'create':
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diff changeset
   141
                        if x == 'subject':
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   142
                            label = 'add %s %s %s %s' % (eschema, rschema, teschema, x)
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   143
                            label2 = "creating %s (%s %%(linkto)s %s %s)" % (teschema, eschema, rschema, teschema)
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diff changeset
   144
                        else:
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   145
                            label = 'add %s %s %s %s' % (teschema, rschema, eschema, x)
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parents:
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   146
                            label2 = "creating %s (%s %s %s %%(linkto)s)" % (teschema, teschema, rschema, eschema)
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   147
                        add_msg(w, label)
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   148
                        add_msg(w, label2)
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   149
    cube = (cube or 'cubicweb') + '.'
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   150
    done = set()
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diff changeset
   151
    for reg, objdict in vreg.items():
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   152
        for objects in objdict.values():
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   153
            for obj in objects:
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   154
                objid = '%s_%s' % (reg, obj.id)
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diff changeset
   155
                if objid in done:
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   156
                    continue
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   157
                if obj.__module__.startswith(cube) and obj.property_defs:
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parents:
diff changeset
   158
                    add_msg(w, '%s_description' % objid)
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diff changeset
   159
                    add_msg(w, objid)
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   160
                    done.add(objid)
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parents:
diff changeset
   161
                    
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parents:
diff changeset
   162
def defined_in_library(libschema, etype, rtype, tetype, x):
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parents:
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   163
    """return true if the given relation definition exists in cubicweb's library"""
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parents:
diff changeset
   164
    if libschema is None:
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   165
        return False
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parents:
diff changeset
   166
    if x == 'subject':
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diff changeset
   167
        subjtype, objtype = etype, tetype
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parents:
diff changeset
   168
    else:
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diff changeset
   169
        subjtype, objtype = tetype, etype
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   170
    try:
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   171
        return libschema.rschema(rtype).has_rdef(subjtype, objtype)
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parents:
diff changeset
   172
    except (KeyError, AttributeError):
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diff changeset
   173
        # if libschema is a simple list of entity types (lax specific)
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   174
        # or if the relation could not be found
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diff changeset
   175
        return False
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parents:
diff changeset
   176
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parents:
diff changeset
   177
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parents:
diff changeset
   178
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parents:
diff changeset
   179
# XXX check if this is a pure duplication of the original
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parents:
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   180
# `cubicweb.common.i18n` function
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parents:
diff changeset
   181
def compile_i18n_catalogs(sourcedirs, destdir, langs):
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parents:
diff changeset
   182
    """generate .mo files for a set of languages into the `destdir` i18n directory
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parents:
diff changeset
   183
    """
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parents:
diff changeset
   184
    print 'compiling %s catalogs...' % destdir
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parents:
diff changeset
   185
    errors = []
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   186
    for lang in langs:
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parents:
diff changeset
   187
        langdir = osp.join(destdir, lang, 'LC_MESSAGES')
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parents:
diff changeset
   188
        if not osp.exists(langdir):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   189
            create_dir(langdir)
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parents:
diff changeset
   190
        pofiles = [osp.join(path, '%s.po' % lang) for path in sourcedirs]
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parents:
diff changeset
   191
        pofiles = [pof for pof in pofiles if osp.exists(pof)]
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parents:
diff changeset
   192
        mergedpo = osp.join(destdir, '%s_merged.po' % lang)
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parents:
diff changeset
   193
        try:
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parents:
diff changeset
   194
            # merge application messages' catalog with the stdlib's one
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parents:
diff changeset
   195
            execute('msgcat --use-first --sort-output --strict %s > %s'
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parents:
diff changeset
   196
                    % (' '.join(pofiles), mergedpo))
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parents:
diff changeset
   197
            # make sure the .mo file is writeable and compile with *msgfmt*
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parents:
diff changeset
   198
            applmo = osp.join(destdir, lang, 'LC_MESSAGES', 'cubicweb.mo')
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parents:
diff changeset
   199
            try:
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diff changeset
   200
                ensure_fs_mode(applmo)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   201
            except OSError:
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parents:
diff changeset
   202
                pass # suppose not osp.exists
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parents:
diff changeset
   203
            execute('msgfmt %s -o %s' % (mergedpo, applmo))
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   204
        except Exception, ex:
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parents:
diff changeset
   205
            errors.append('while handling language %s: %s' % (lang, ex))
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   206
        try:
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parents:
diff changeset
   207
            # clean everything
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parents:
diff changeset
   208
            os.unlink(mergedpo)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   209
        except Exception:
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parents:
diff changeset
   210
            continue
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parents:
diff changeset
   211
    return errors
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parents:
diff changeset
   212
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parents:
diff changeset
   213
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parents:
diff changeset
   214
def update_cubes_catalog(vreg, appdirectory, langs):
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parents:
diff changeset
   215
    toedit = []
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parents:
diff changeset
   216
    tmpl = osp.basename(osp.normpath(appdirectory))
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   217
    tempdir = mktemp()
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parents:
diff changeset
   218
    os.mkdir(tempdir)
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parents:
diff changeset
   219
    print '*' * 72
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parents:
diff changeset
   220
    print 'updating %s cube...' % tmpl
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   221
    os.chdir(appdirectory)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   222
    potfiles = []
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   223
    if osp.exists(osp.join('i18n', 'entities.pot')):
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parents:
diff changeset
   224
        potfiles = potfiles.append( osp.join('i18n', scfile) )
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   225
    print '******** extract schema messages'
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parents:
diff changeset
   226
    schemapot = osp.join(tempdir, 'schema.pot')
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parents:
diff changeset
   227
    potfiles.append(schemapot)
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parents:
diff changeset
   228
    # XXX
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parents:
diff changeset
   229
    generate_schema_pot(open(schemapot, 'w').write, vreg, appdirectory)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   230
    print '******** extract Javascript messages'
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   231
    jsfiles =  find('.', '.js')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   232
    if jsfiles:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   233
        tmppotfile = osp.join(tempdir, 'js.pot')
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   234
        execute('xgettext --no-location --omit-header -k_ -L java --from-code=utf-8 -o %s %s'
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   235
                % (tmppotfile, ' '.join(jsfiles)))
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   236
        # no pot file created if there are no string to translate
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   237
        if osp.exists(tmppotfile): 
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   238
            potfiles.append(tmppotfile)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   239
    print '******** create cube specific catalog'
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   240
    tmppotfile = osp.join(tempdir, 'generated.pot')
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   241
    execute('xgettext --no-location --omit-header -k_ -o %s %s'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   242
            % (tmppotfile, ' '.join(glob('*.py'))))
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   243
    if osp.exists(tmppotfile): # doesn't exists of no translation string found
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   244
        potfiles.append(tmppotfile)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   245
    potfile = osp.join(tempdir, 'cube.pot')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   246
    print '******** merging .pot files'
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   247
    execute('msgcat %s > %s' % (' '.join(potfiles), potfile))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   248
    print '******** merging main pot file with existing translations'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   249
    os.chdir('i18n')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   250
    for lang in langs:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   251
        print '****', lang
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   252
        tmplpo = '%s.po' % lang
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   253
        if not osp.exists(tmplpo):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   254
            shutil.copy(potfile, tmplpo)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   255
        else:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   256
            execute('msgmerge -N -s %s %s > %snew' % (tmplpo, potfile, tmplpo))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   257
            ensure_fs_mode(tmplpo)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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   258
            shutil.move('%snew' % tmplpo, tmplpo)
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        toedit.append(osp.abspath(tmplpo))
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    # cleanup
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    rm(tempdir)
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    # instructions pour la suite
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    print '*' * 72
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    print 'you can now edit the following files:'
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    print '* ' + '\n* '.join(toedit)
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def getlangs(i18ndir):
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    return [fname[:-3] for fname in os.listdir(i18ndir)
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            if fname.endswith('.po')]
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def get_i18n_directory(appdirectory):
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    if not osp.isdir(appdirectory):
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        print '%s is not an application directory' % appdirectory
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        sys.exit(2)
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    i18ndir = osp.join(appdirectory, 'i18n')
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    if not osp.isdir(i18ndir):
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        print '%s is not an application directory ' \
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            '(i18n subdirectory missing)' % appdirectory
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        sys.exit(2)
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    return i18ndir