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Python-i18n: (inefficiently) search for suitable gettext dirs

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This commit is contained in:
Adriaan de Groot 2017-08-18 12:56:34 -04:00
parent 40335d9f1e
commit 3a1d5ed533
1 changed files with 45 additions and 6 deletions
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51
src/libcalamares/PythonJobApi.cpp
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@ -27,7 +27,9 @@
#include "GlobalStorage.h"
#include "JobQueue.h"
#include <QCoreApplication>
#include <QDir>
#include <QStandardPaths>
#undef slots
#include <boost/python.hpp>
@ -203,10 +205,10 @@ obscure( const std::string& string )
return CalamaresUtils::obscure( QString::fromStdString( string ) ).toStdString();
}
bp::list
gettext_languages()
static QStringList
_gettext_languages()
{
bp::list pyList;
QStringList languages;
// There are two ways that Python jobs can be initialised:
// - through JobQueue, in which case that has an instance which holds
@ -224,27 +226,64 @@ gettext_languages()
if ( lang_.canConvert< QString >() )
{
QString lang = lang_.value< QString >();
pyList.append( lang.toStdString() );
languages.append(lang);
if ( lang.indexOf( '.' ) > 0)
{
lang.truncate( lang.indexOf( '.' ) );
pyList.append( lang.toStdString() );
languages.append(lang);
}
if ( lang.indexOf( '_' ) > 0)
{
lang.truncate( lang.indexOf( '_' ) );
pyList.append( lang.toStdString() );
languages.append(lang);
}
}
}
return languages;
}
bp::list
gettext_languages()
{
bp::list pyList;
for (auto lang : _gettext_languages())
pyList.append( lang.toStdString() );
return pyList;
}
static void
_add_localedirs(QStringList &pathList, const QString &candidate)
{
if (!candidate.isEmpty())
{
pathList.prepend(candidate);
if (QDir(candidate).cd("lang"))
{
pathList.prepend(candidate + "/lang");
}
}
}
bp::object
gettext_path()
{
// TODO: distinguish between -d runs and normal runs
// TODO: can we detect DESTDIR-installs?
QStringList candidatePaths = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, "locale", QStandardPaths::LocateDirectory);
QString extra = QCoreApplication::applicationDirPath();
_add_localedirs(candidatePaths, extra);
_add_localedirs(candidatePaths, QDir().canonicalPath());
cDebug() << "Standard paths" << candidatePaths;
for (auto lang : _gettext_languages())
for (auto localedir : candidatePaths)
{
QDir ldir(localedir);
cDebug() << "Checking" << lang << "in" <<ldir.canonicalPath();
if (ldir.cd(lang))
return bp::object( localedir.toStdString() );
}
return bp::object(); // None
}