Exscript.util.pidutil module¶

Handling PID (process id) files.

Exscript.util.pidutil.isalive(path)[source]¶

Returns True if the file with the given name contains a process id that is still alive. Returns False otherwise.

Parameters:	path (str) – The name of the pidfile.
Return type:	bool
Returns:	Whether the process is alive.

Exscript.util.pidutil.kill(path)[source]¶

Kills the process, if it still exists.

Parameters:	path (str) – The name of the pidfile.

Exscript.util.pidutil.read(path)[source]¶

Returns the process id from the given file if it exists, or None otherwise. Raises an exception for all other types of OSError while trying to access the file.

Parameters:	path (str) – The name of the pidfile.
Return type:	int or None
Returns:	The PID, or none if the file was not found.

Exscript.util.pidutil.remove(path)[source]¶

Deletes the pidfile if it exists.

Parameters:	path (str) – The name of the pidfile.

Exscript.util.pidutil.write(path)[source]¶

Writes the current process id to the given pidfile.

Parameters:	path (str) – The name of the pidfile.