Package io.deephaven.jpy

Class JpyConfigFromSubprocess

java.lang.Object

io.deephaven.jpy.JpyConfigFromSubprocess

public final class JpyConfigFromSubprocess
extends Object

Constructor Summary

Constructors

Constructor	Description
JpyConfigFromSubprocess()

Method Summary

Modifier and Type	Method	Description
static JpyConfigSource	fromSubprocess(String pythonName, Duration timeout)	Create the configuration based off of a python subprocess that introspects itself.
static JpyConfigSource	fromSubprocess(Duration timeout)	Equivalent to fromSubprocess(getPythonName(), timeout).
static String	getPythonName()	Find the "best" python name.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

JpyConfigFromSubprocess

public JpyConfigFromSubprocess()

Method Details

getPythonName

public static String getPythonName()

Find the "best" python name. If the system property "deephaven.python.name" is set, return it. Otherwise, if the environment variable "VIRTUAL_ENV" is set, return "${VIRTUAL_ENV}/bin/python". Otherwise, return "python3".

Returns:

the python name

fromSubprocess

public static JpyConfigSource fromSubprocess(Duration timeout)
                                      throws IOException,
InterruptedException,
TimeoutException

Equivalent to fromSubprocess(getPythonName(), timeout).

Parameters:

timeout - the timeout

Returns:

the jpy configuration, based on a python execution in the current environment

Throws:

IOException - if an IO exception occurs

InterruptedException - if the current thread is interrupted while waiting for the command to execute

TimeoutException - if the command times out

See Also:

• getPythonName()
• fromSubprocess(String, Duration)

fromSubprocess

public static JpyConfigSource fromSubprocess(String pythonName,
 Duration timeout)
                                      throws IOException,
InterruptedException,
TimeoutException

Create the configuration based off of a python subprocess that introspects itself. The process will be executed based off of pythonName, which may be a path, or will otherwise be sourced from the environment PATH.

Parameters:

pythonName - the python command

timeout - the timeout

Returns:

the jpy configuration, based on a python execution in the current environment

Throws:

IOException - if an IO exception occurs

InterruptedException - if the current thread is interrupted while waiting for the command to execute

TimeoutException - if the command times out