devctl.py 28.4 KB
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"""additional cubicweb-ctl commands and command handlers for cubicweb and cubicweb's
cubes development

:organization: Logilab
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:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
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"""
__docformat__ = "restructuredtext en"

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# *ctl module should limit the number of import to be imported as quickly as
# possible (for cubicweb-ctl reactivity, necessary for instance for usable bash
# completion). So import locally in command helpers.
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import sys
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from datetime import datetime
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from os import mkdir, chdir
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from os.path import join, exists, abspath, basename, normpath, split, isdir
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from warnings import warn
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from logilab.common import STD_BLACKLIST
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from logilab.common.clcommands import register_commands, pop_arg

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from cubicweb.__pkginfo__ import version as cubicwebversion
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from cubicweb import CW_SOFTWARE_ROOT as BASEDIR, BadCommandUsage
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from cubicweb.toolsutils import (SKEL_EXCLUDE, Command,
                                 copy_skeleton, underline_title)
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from cubicweb.web.webconfig import WebConfiguration
from cubicweb.server.serverconfig import ServerConfiguration

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class DevConfiguration(ServerConfiguration, WebConfiguration):
    """dummy config to get full library schema and appobjects for
    a cube or for cubicweb (without a home)
    """
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    creating = True
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    cleanup_interface_sobjects = False

    cubicweb_appobject_path = (ServerConfiguration.cubicweb_appobject_path
                               | WebConfiguration.cubicweb_appobject_path)
    cube_appobject_path = (ServerConfiguration.cube_appobject_path
                           | WebConfiguration.cube_appobject_path)
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    def __init__(self, *cubes):
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        super(DevConfiguration, self).__init__(cubes and cubes[0] or None)
        if cubes:
            self._cubes = self.reorder_cubes(
                self.expand_cubes(cubes, with_recommends=True))
        else:
            self._cubes = ()
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    @property
    def apphome(self):
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        return None
    def main_config_file(self):
        return None
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    def init_log(self, debug=None):
        pass
    def load_configuration(self):
        pass
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    def default_log_file(self):
        return None


def cleanup_sys_modules(config):
    # cleanup sys.modules, required when we're updating multiple cubes
    for name, mod in sys.modules.items():
        if mod is None:
            # duh ? logilab.common.os for instance
            del sys.modules[name]
            continue
        if not hasattr(mod, '__file__'):
            continue
        for path in config.vregistry_path():
            if mod.__file__.startswith(path):
                del sys.modules[name]
                break
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    # fresh rtags
    from cubicweb import rtags
    from cubicweb.web import uicfg
    rtags.RTAGS[:] = []
    reload(uicfg)
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def generate_schema_pot(w, cubedir=None):
    """generate a pot file with schema specific i18n messages

    notice that relation definitions description and static vocabulary
    should be marked using '_' and extracted using xgettext
    """
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    from cubicweb.cwvreg import CubicWebVRegistry
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    if cubedir:
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        cube = split(cubedir)[-1]
        config = DevConfiguration(cube)
        depcubes = list(config._cubes)
        depcubes.remove(cube)
        libconfig = DevConfiguration(*depcubes)
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    else:
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        config = DevConfiguration()
        cube = libconfig = None
    cleanup_sys_modules(config)
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    schema = config.load_schema(remove_unused_rtypes=False)
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    vreg = CubicWebVRegistry(config)
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    # set_schema triggers objects registrations
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    vreg.set_schema(schema)
    w(DEFAULT_POT_HEAD)
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    _generate_schema_pot(w, vreg, schema, libconfig=libconfig)
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def _generate_schema_pot(w, vreg, schema, libconfig=None):
    from copy import deepcopy
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    from cubicweb.i18n import add_msg
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    from cubicweb.web import uicfg
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    from cubicweb.schema import META_RTYPES, SYSTEM_RTYPES, CONSTRAINTS
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    no_context_rtypes = META_RTYPES | SYSTEM_RTYPES
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    w('# schema pot file, generated on %s\n' % datetime.now().strftime('%Y-%m-%d %H:%M:%S'))
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    w('# \n')
    w('# singular and plural forms for each entity type\n')
    w('\n')
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    vregdone = set()
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    if libconfig is not None:
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        from cubicweb.cwvreg import CubicWebVRegistry, clear_rtag_objects
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        libschema = libconfig.load_schema(remove_unused_rtypes=False)
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        afs = deepcopy(uicfg.autoform_section)
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        appearsin_addmenu = deepcopy(uicfg.actionbox_appearsin_addmenu)
        clear_rtag_objects()
        cleanup_sys_modules(libconfig)
        libvreg = CubicWebVRegistry(libconfig)
        libvreg.set_schema(libschema) # trigger objects registration
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        libafs = uicfg.autoform_section
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        libappearsin_addmenu = uicfg.actionbox_appearsin_addmenu
        # prefill vregdone set
        list(_iter_vreg_objids(libvreg, vregdone))
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    else:
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        libschema = {}
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        afs = uicfg.autoform_section
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        appearsin_addmenu = uicfg.actionbox_appearsin_addmenu
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        for cstrtype in CONSTRAINTS:
            add_msg(w, cstrtype)
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    done = set()
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    for eschema in sorted(schema.entities()):
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        etype = eschema.type
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        if etype not in libschema:
            add_msg(w, etype)
            add_msg(w, '%s_plural' % etype)
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            if not eschema.final:
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                add_msg(w, 'This %s' % etype)
                add_msg(w, 'New %s' % etype)
            if eschema.description and not eschema.description in done:
                done.add(eschema.description)
                add_msg(w, eschema.description)
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        if eschema.final:
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            continue
        for rschema, targetschemas, role in eschema.relation_definitions(True):
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            if rschema.final:
                continue
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            for tschema in targetschemas:
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                fsections = afs.etype_get(eschema, rschema, role, tschema)
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                if 'main_inlined' in fsections and \
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                       (libconfig is None or not
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                        'main_inlined' in libafs.etype_get(
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                            eschema, rschema, role, tschema)):
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                    add_msg(w, 'add a %s' % tschema,
                            'inlined:%s.%s.%s' % (etype, rschema, role))
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                    add_msg(w, str(tschema),
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                            'inlined:%s.%s.%s' % (etype, rschema, role))
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                if appearsin_addmenu.etype_get(eschema, rschema, role, tschema) and \
                       (libconfig is None or not
                        libappearsin_addmenu.etype_get(eschema, rschema, role, tschema)):
                    if role == 'subject':
                        label = 'add %s %s %s %s' % (eschema, rschema,
                                                     tschema, role)
                        label2 = "creating %s (%s %%(linkto)s %s %s)" % (
                            tschema, eschema, rschema, tschema)
                    else:
                        label = 'add %s %s %s %s' % (tschema, rschema,
                                                     eschema, role)
                        label2 = "creating %s (%s %s %s %%(linkto)s)" % (
                            tschema, tschema, rschema, eschema)
                    add_msg(w, label)
                    add_msg(w, label2)
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            # XXX also generate "creating ...' messages for actions in the
            # addrelated submenu
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    w('# subject and object forms for each relation type\n')
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    w('# (no object form for final or symmetric relation types)\n')
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    w('\n')
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    for rschema in sorted(schema.relations()):
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        rtype = rschema.type
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        if rtype not in libschema:
            # bw compat, necessary until all translation of relation are done properly...
            add_msg(w, rtype)
            if rschema.description and rschema.description not in done:
                done.add(rschema.description)
                add_msg(w, rschema.description)
            done.add(rtype)
            librschema = None
        else:
            librschema = libschema.rschema(rtype)
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        # add context information only for non-metadata rtypes
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        if rschema not in no_context_rtypes:
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            libsubjects = librschema and librschema.subjects() or ()
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            for subjschema in rschema.subjects():
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                if not subjschema in libsubjects:
                    add_msg(w, rtype, subjschema.type)
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        if not (schema.rschema(rtype).final or rschema.symmetric):
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            if rschema not in no_context_rtypes:
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                libobjects = librschema and librschema.objects() or ()
                for objschema in rschema.objects():
                    if not objschema in libobjects:
                        add_msg(w, '%s_object' % rtype, objschema.type)
            if rtype not in libschema:
                # bw compat, necessary until all translation of relation are done properly...
                add_msg(w, '%s_object' % rtype)
    for objid in _iter_vreg_objids(vreg, vregdone):
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        add_msg(w, '%s_description' % objid)
        add_msg(w, objid)

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def _iter_vreg_objids(vreg, done):
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    for reg, objdict in vreg.items():
        for objects in objdict.values():
            for obj in objects:
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                objid = '%s_%s' % (reg, obj.__regid__)
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                if objid in done:
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                    break
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                try: # XXX < 3.6 bw compat
                    pdefs = obj.property_defs
                except AttributeError:
                    pdefs = getattr(obj, 'cw_property_defs', {})
                if pdefs:
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                    yield objid
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                    done.add(objid)
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                    break
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LANGS = ('en', 'fr', 'es')
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I18NDIR = join(BASEDIR, 'i18n')
DEFAULT_POT_HEAD = r'''msgid ""
msgstr ""
"Project-Id-Version: cubicweb %s\n"
"PO-Revision-Date: 2008-03-28 18:14+0100\n"
"Last-Translator: Logilab Team <contact@logilab.fr>\n"
"Language-Team: fr <contact@logilab.fr>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Generated-By: cubicweb-devtools\n"
"Plural-Forms: nplurals=2; plural=(n > 1);\n"

''' % cubicwebversion


class UpdateCubicWebCatalogCommand(Command):
    """Update i18n catalogs for cubicweb library.
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    It will regenerate cubicweb/i18n/xx.po files. You'll have then to edit those
    files to add translations of newly added messages.
    """
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    name = 'i18ncubicweb'
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    def run(self, args):
        """run the command with its specific arguments"""
        if args:
            raise BadCommandUsage('Too much arguments')
        import shutil
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        import tempfile
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        import yams
        from logilab.common.fileutils import ensure_fs_mode
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        from logilab.common.shellutils import globfind, find, rm
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        from logilab.common.modutils import get_module_files
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        from cubicweb.i18n import extract_from_tal, execute
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        tempdir = tempfile.mkdtemp()
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        potfiles = [join(I18NDIR, 'static-messages.pot')]
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        print '-> extract schema messages.'
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        schemapot = join(tempdir, 'schema.pot')
        potfiles.append(schemapot)
        # explicit close necessary else the file may not be yet flushed when
        # we'll using it below
        schemapotstream = file(schemapot, 'w')
        generate_schema_pot(schemapotstream.write, cubedir=None)
        schemapotstream.close()
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        print '-> extract TAL messages.'
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        tali18nfile = join(tempdir, 'tali18n.py')
        extract_from_tal(find(join(BASEDIR, 'web'), ('.py', '.pt')), tali18nfile)
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        print '-> generate .pot files.'
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        for id, files, lang in [('pycubicweb', get_module_files(BASEDIR) + list(globfind(join(BASEDIR, 'misc', 'migration'), '*.py')), None),
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                                ('schemadescr', globfind(join(BASEDIR, 'schemas'), '*.py'), None),
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                                ('yams', get_module_files(yams.__path__[0]), None),
                                ('tal', [tali18nfile], None),
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                                ('js', globfind(join(BASEDIR, 'web'), 'cub*.js'), 'java'),
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                                ]:
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            cmd = 'xgettext --no-location --omit-header -k_ -o %s %s'
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            if lang is not None:
                cmd += ' -L %s' % lang
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            potfile = join(tempdir, '%s.pot' % id)
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            execute(cmd % (potfile, ' '.join('"%s"' % f for f in files)))
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            if exists(potfile):
                potfiles.append(potfile)
            else:
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                print '-> WARNING: %s file was not generated' % potfile
        print '-> merging %i .pot files' % len(potfiles)
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        cubicwebpot = join(tempdir, 'cubicweb.pot')
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        execute('msgcat -o %s %s' % (cubicwebpot, ' '.join('"%s"' % f for f in potfiles)))
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        print '-> merging main pot file with existing translations.'
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        chdir(I18NDIR)
        toedit = []
        for lang in LANGS:
            target = '%s.po' % lang
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            execute('msgmerge -N --sort-output -o "%snew" "%s" "%s"' % (target, target, cubicwebpot))
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            ensure_fs_mode(target)
            shutil.move('%snew' % target, target)
            toedit.append(abspath(target))
        # cleanup
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        rm(tempdir)
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        # instructions pour la suite
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        print '-> regenerated CubicWeb\'s .po catalogs.'
        print '\nYou can now edit the following files:'
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        print '* ' + '\n* '.join(toedit)
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        print 'when you are done, run "cubicweb-ctl i18ncube yourcube".'
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class UpdateTemplateCatalogCommand(Command):
    """Update i18n catalogs for cubes. If no cube is specified, update
    catalogs of all registered cubes.
    """
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    name = 'i18ncube'
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    arguments = '[<cube>...]'
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    def run(self, args):
        """run the command with its specific arguments"""
        if args:
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            cubes = [DevConfiguration.cube_dir(cube) for cube in args]
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        else:
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            cubes = [DevConfiguration.cube_dir(cube)
                     for cube in DevConfiguration.available_cubes()]
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            cubes = [cubepath for cubepath in cubes if exists(join(cubepath, 'i18n'))]
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        update_cubes_catalogs(cubes)

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def update_cubes_catalogs(cubes):
    for cubedir in cubes:
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        toedit = []
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        if not isdir(cubedir):
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            print '-> ignoring %s that is not a directory.' % cubedir
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            continue
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        try:
            toedit += update_cube_catalogs(cubedir)
        except Exception:
            import traceback
            traceback.print_exc()
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            print '-> error while updating catalogs for cube', cubedir
        else:
            # instructions pour la suite
            print '-> regenerated .po catalogs for cube %s.' % cubedir
            print '\nYou can now edit the following files:'
            print '* ' + '\n* '.join(toedit)
            print ('When you are done, run "cubicweb-ctl i18ninstance '
                   '<yourinstance>" to see changes in your instances.')
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def update_cube_catalogs(cubedir):
    import shutil
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    import tempfile
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    from logilab.common.fileutils import ensure_fs_mode
    from logilab.common.shellutils import find, rm
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    from cubicweb.i18n import extract_from_tal, execute
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    toedit = []
    cube = basename(normpath(cubedir))
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    tempdir = tempfile.mkdtemp()
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    print underline_title('Updating i18n catalogs for cube %s' % cube)
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    chdir(cubedir)
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    if exists(join('i18n', 'entities.pot')):
        warn('entities.pot is deprecated, rename file to static-messages.pot (%s)'
             % join('i18n', 'entities.pot'), DeprecationWarning)
        potfiles = [join('i18n', 'entities.pot')]
    elif exists(join('i18n', 'static-messages.pot')):
        potfiles = [join('i18n', 'static-messages.pot')]
    else:
        potfiles = []
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    print '-> extract schema messages'
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    schemapot = join(tempdir, 'schema.pot')
    potfiles.append(schemapot)
    # explicit close necessary else the file may not be yet flushed when
    # we'll using it below
    schemapotstream = file(schemapot, 'w')
    generate_schema_pot(schemapotstream.write, cubedir)
    schemapotstream.close()
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    print '-> extract TAL messages'
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    tali18nfile = join(tempdir, 'tali18n.py')
    extract_from_tal(find('.', ('.py', '.pt'), blacklist=STD_BLACKLIST+('test',)), tali18nfile)
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    print '-> extract Javascript messages'
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    jsfiles =  [jsfile for jsfile in find('.', '.js') if basename(jsfile).startswith('cub')]
    if jsfiles:
        tmppotfile = join(tempdir, 'js.pot')
        execute('xgettext --no-location --omit-header -k_ -L java --from-code=utf-8 -o %s %s'
                % (tmppotfile, ' '.join(jsfiles)))
        # no pot file created if there are no string to translate
        if exists(tmppotfile):
            potfiles.append(tmppotfile)
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    print '-> create cube-specific catalog'
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    tmppotfile = join(tempdir, 'generated.pot')
    cubefiles = find('.', '.py', blacklist=STD_BLACKLIST+('test',))
    cubefiles.append(tali18nfile)
    execute('xgettext --no-location --omit-header -k_ -o %s %s'
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            % (tmppotfile, ' '.join('"%s"' % f for f in cubefiles)))
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    if exists(tmppotfile): # doesn't exists of no translation string found
        potfiles.append(tmppotfile)
    potfile = join(tempdir, 'cube.pot')
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    print '-> merging %i .pot files:' % len(potfiles)
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    execute('msgcat -o %s %s' % (potfile,
                                 ' '.join('"%s"' % f for f in potfiles)))
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    print '-> merging main pot file with existing translations:'
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    chdir('i18n')
    for lang in LANGS:
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        print '-> language', lang
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        cubepo = '%s.po' % lang
        if not exists(cubepo):
            shutil.copy(potfile, cubepo)
        else:
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            execute('msgmerge -N -s -o %snew %s %s' % (cubepo, cubepo, potfile))
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            ensure_fs_mode(cubepo)
            shutil.move('%snew' % cubepo, cubepo)
        toedit.append(abspath(cubepo))
    # cleanup
    rm(tempdir)
    return toedit


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# XXX totally broken, fix it
# class LiveServerCommand(Command):
#     """Run a server from within a cube directory.
#     """
#     name = 'live-server'
#     arguments = ''
#     options = ()
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#     def run(self, args):
#         """run the command with its specific arguments"""
#         from cubicweb.devtools.livetest import runserver
#         runserver()
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class NewCubeCommand(Command):
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    """Create a new cube.

    <cubename>
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      the name of the new cube. It should be a valid python module name.
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    """
    name = 'newcube'
    arguments = '<cubename>'

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    options = (
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        ("layout",
         {'short': 'L', 'type' : 'choice', 'metavar': '<cube layout>',
          'default': 'simple', 'choices': ('simple', 'full'),
          'help': 'cube layout. You\'ll get a minimal cube with the "simple" \
layout, and a full featured cube with "full" layout.',
          }
         ),
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        ("directory",
         {'short': 'd', 'type' : 'string', 'metavar': '<cubes directory>',
          'help': 'directory where the new cube should be created',
          }
         ),
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        ("verbose",
         {'short': 'v', 'type' : 'yn', 'metavar': '<verbose>',
          'default': 'n',
          'help': 'verbose mode: will ask all possible configuration questions',
          }
         ),
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        ("author",
         {'short': 'a', 'type' : 'string', 'metavar': '<author>',
          'default': 'LOGILAB S.A. (Paris, FRANCE)',
          'help': 'cube author',
          }
         ),
        ("author-email",
         {'short': 'e', 'type' : 'string', 'metavar': '<email>',
          'default': 'contact@logilab.fr',
          'help': 'cube author\'s email',
          }
         ),
        ("author-web-site",
         {'short': 'w', 'type' : 'string', 'metavar': '<web site>',
          'default': 'http://www.logilab.fr',
          'help': 'cube author\'s web site',
          }
         ),
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        ("license",
         {'short': 'l', 'type' : 'choice', 'metavar': '<license>',
          'default': 'LGPL', 'choices': ('GPL', 'LGPL', ''),
          'help': 'cube license',
          }
         ),
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        )

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    LICENSES = {
        'LGPL': 'GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses',
        'GPL': 'GNU General Public License, v2.1 - http://www.gnu.org/licenses',
        '': 'closed source'
        }
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    def run(self, args):
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        import re
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        from logilab.common.shellutils import ASK
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        if len(args) != 1:
            raise BadCommandUsage("exactly one argument (cube name) is expected")
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        cubename = args[0]
        if not re.match('[_A-Za-z][_A-Za-z0-9]*$', cubename):
            raise BadCommandUsage("cube name should be a valid python module name")
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        verbose = self.get('verbose')
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        cubesdir = self.get('directory')
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        if not cubesdir:
            cubespath = ServerConfiguration.cubes_search_path()
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            if len(cubespath) > 1:
                raise BadCommandUsage("can't guess directory where to put the new cube."
                                      " Please specify it using the --directory option")
            cubesdir = cubespath[0]
        if not isdir(cubesdir):
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            print "-> creating cubes directory", cubesdir
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            try:
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                mkdir(cubesdir)
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            except OSError, err:
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                self.fail("failed to create directory %r\n(%s)" % (cubesdir, err))
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        cubedir = join(cubesdir, cubename)
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        if exists(cubedir):
            self.fail("%s already exists !" % (cubedir))
        skeldir = join(BASEDIR, 'skeleton')
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        default_name = 'cubicweb-%s' % cubename.lower().replace('_', '-')
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        if verbose:
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            distname = raw_input('Debian name for your cube ? [%s]): ' % default_name).strip()
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            if not distname:
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                distname = default_name
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            elif not distname.startswith('cubicweb-'):
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                if ASK.confirm('Do you mean cubicweb-%s ?' % distname):
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                    distname = 'cubicweb-' + distname
        else:
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            distname = default_name
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        if not re.match('[a-z][-a-z0-9]*$', distname):
            raise BadCommandUsage("cube distname should be a valid debian package name")
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        longdesc = shortdesc = raw_input('Enter a short description for your cube: ')
        if verbose:
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            longdesc = raw_input('Enter a long description (leave empty to reuse the short one): ')
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        if verbose:
            includes = self._ask_for_dependancies()
            if len(includes) == 1:
                dependancies = '%r,' % includes[0]
            else:
                dependancies = ', '.join(repr(cube) for cube in includes)
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        else:
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            dependancies = ''
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        context = {'cubename' : cubename,
                   'distname' : distname,
                   'shortdesc' : shortdesc,
                   'longdesc' : longdesc or shortdesc,
                   'dependancies' : dependancies,
                   'version'  : cubicwebversion,
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                   'year'  : str(datetime.now().year),
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                   'author': self['author'],
                   'author-email': self['author-email'],
                   'author-web-site': self['author-web-site'],
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                   'license': self['license'],
                   'long-license': self.LICENSES[self['license']],
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                   }
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        exclude = SKEL_EXCLUDE
        if self['layout'] == 'simple':
            exclude += ('sobjects.py*', 'precreate.py*', 'realdb_test*',
                        'cubes.*', 'external_resources*')
        copy_skeleton(skeldir, cubedir, context, exclude=exclude)
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    def _ask_for_dependancies(self):
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        from logilab.common.shellutils import ASK
        from logilab.common.textutils import splitstrip
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        includes = []
        for stdtype in ServerConfiguration.available_cubes():
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            answer = ASK.ask("Depends on cube %s? " % stdtype,
                             ('N','y','skip','type'), 'N')
            if answer == 'y':
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                includes.append(stdtype)
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            if answer == 'type':
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                includes = splitstrip(raw_input('type dependancies: '))
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                break
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            elif answer == 'skip':
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                break
        return includes
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class ExamineLogCommand(Command):
    """Examine a rql log file.

    will print out the following table

      total execution time || number of occurences || rql query

    sorted by descending total execution time

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    chances are the lines at the top are the ones that will bring the higher
    benefit after optimisation. Start there.
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    """
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    arguments = '< rql.log'
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    name = 'exlog'
    options = (
        )
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    def run(self, args):
        if args:
            raise BadCommandUsage("no argument expected")
        import re
        requests = {}
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        for lineno, line in enumerate(sys.stdin):
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            if not ' WHERE ' in line:
                continue
            #sys.stderr.write( line )
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            try:
                rql, time = line.split('--')
                rql = re.sub("(\'\w+': \d*)", '', rql)
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                if '{' in rql:
                    rql = rql[:rql.index('{')]
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                req = requests.setdefault(rql, [])
                time.strip()
                chunks = time.split()
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                clocktime = float(chunks[0][1:])
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                cputime = float(chunks[-3])
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                req.append( (clocktime, cputime) )
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            except Exception, exc:
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                sys.stderr.write('Line %s: %s (%s)\n' % (lineno, exc, line))
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        stat = []
        for rql, times in requests.items():
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            stat.append( (sum(time[0] for time in times),
                          sum(time[1] for time in times),
                          len(times), rql) )
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        stat.sort()
        stat.reverse()
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        total_time = sum(clocktime for clocktime, cputime, occ, rql in stat)*0.01
        print 'Percentage;Cumulative Time (clock);Cumulative Time (CPU);Occurences;Query'
        for clocktime, cputime, occ, rql in stat:
            print '%.2f;%.2f;%.2f;%s;%s' % (clocktime/total_time, clocktime, cputime, occ, rql)
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class GenerateSchema(Command):
    """Generate schema image for the given cube"""
    name = "schema"
    arguments = '<cube>'
    options = [('output-file', {'type':'file', 'default': None,
                 'metavar': '<file>', 'short':'o', 'help':'output image file',
                 'input':False}),
               ('viewer', {'type': 'string', 'default':None,
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                'short': "d", 'metavar':'<cmd>',
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                 'help':'command use to view the generated file (empty for none)'}
               ),
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               ('show-meta', {'action': 'store_true', 'default':False,
                'short': "m", 'metavar': "<yN>",
                 'help':'include meta and internal entities in schema'}
               ),
               ('show-workflow', {'action': 'store_true', 'default':False,
                'short': "w", 'metavar': "<yN>",
                'help':'include workflow entities in schema'}
               ),
               ('show-cw-user', {'action': 'store_true', 'default':False,
                'metavar': "<yN>",
                'help':'include cubicweb user entities in schema'}
               ),
               ('exclude-type', {'type':'string', 'default':'',
                'short': "x", 'metavar': "<types>",
                 'help':'coma separated list of entity types to remove from view'}
               ),
               ('include-type', {'type':'string', 'default':'',
                'short': "i", 'metavar': "<types>",
                 'help':'coma separated list of entity types to include in view'}
               ),
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              ]

    def run(self, args):
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        from subprocess import Popen
        from tempfile import NamedTemporaryFile
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        from logilab.common.textutils import splitstrip
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        from yams import schema2dot, BASE_TYPES
        from cubicweb.schema import (META_RTYPES, SCHEMA_TYPES, SYSTEM_RTYPES,
                                     WORKFLOW_TYPES, INTERNAL_TYPES)
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        cubes = splitstrip(pop_arg(args, 1))
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        dev_conf = DevConfiguration(*cubes)
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        schema = dev_conf.load_schema()
        out, viewer = self['output-file'], self['viewer']
        if out is None:
            tmp_file = NamedTemporaryFile(suffix=".svg")
            out = tmp_file.name
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        skiptypes = BASE_TYPES | SCHEMA_TYPES
        if not self['show-meta']:
            skiptypes |=  META_RTYPES | SYSTEM_RTYPES | INTERNAL_TYPES
        if not self['show-workflow']:
            skiptypes |= WORKFLOW_TYPES
        if not self['show-cw-user']:
            skiptypes |= set(('CWUser', 'CWGroup', 'EmailAddress'))
        skiptypes |= set(self['exclude-type'].split(','))
        skiptypes -= set(self['include-type'].split(','))
        schema2dot.schema2dot(schema, out, skiptypes=skiptypes)
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        if viewer:
            p = Popen((viewer, out))
            p.wait()

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register_commands((UpdateCubicWebCatalogCommand,
                   UpdateTemplateCatalogCommand,
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                   #LiveServerCommand,
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                   NewCubeCommand,
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                   ExamineLogCommand,
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                   GenerateSchema,
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                   ))