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package org.openecomp.sdc.toscaparser;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Properties;
import org.openecomp.sdc.toscaparser.utils.JarExtractor;
import org.python.util.PythonInterpreter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class JythonRuntime {
private static final Logger LOGGER = LoggerFactory.getLogger(JythonRuntime.class);
private final JarExtractor jarExtractor;
private Path homePath;
public JythonRuntime(JarExtractor jarExtractor) {
this.jarExtractor = jarExtractor;
}
public void initialize() throws IOException {
tryExtractPyhtonPackages();
initRuntime();
}
private void initRuntime() {
Properties systemProperties = System.getProperties();
Properties properties = getPythonProperties();
PythonInterpreter.initialize(systemProperties, properties, new String[0]);
}
private void tryExtractPyhtonPackages() throws IOException {
homePath = jarExtractor.extractPyhtonPackages();
}
private Properties getPythonProperties() {
Properties properties = new Properties();
if (homePath != null) {
LOGGER.debug("getPythonProperties - Setting python.home to {}", homePath);
properties.put("python.home", homePath.toString());
}
// Used to prevent: console: Failed to install '': java.nio.charset.UnsupportedCharsetException: cp0.
properties.put("python.console.encoding", "UTF-8");
return properties;
}
public void terminate() throws IOException {
if (homePath != null) {
jarExtractor.deleteDirectory(homePath);
}
}
}
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