in src/main/groovy/com/jetbrains/python/envs/PythonEnvsExtension.groovy [169:183]
void ironpython(final String envName,
final String architecture = null,
final List<String> packages = null,
final URL urlToArchive = null) {
URL urlToIronPythonZip = new URL("https://github.com/IronLanguages/ironpython2/releases/download/ipy-2.7.9/IronPython.2.7.9.zip")
pythonsFromZip << new Python(
envName,
bootstrapDirectory,
EnvType.IRONPYTHON,
null,
is64(architecture),
packages,
urlToArchive ?: urlToIronPythonZip
)
}