PyExt module

C extension interface.

PyExt.FFI

cffi interface.

Type

ffi

PyExt.FFILIB

cffi library.

Type

object

class PyExt.EvPoll

Bases: object

Evpoll interface.

ffi

cffi interface.

Type

ffi

ffilib

cffi library.

Type

object

pollpairs

cffi polling pair buffer.

Type

object

close()

Handle close.

modify(evfd, events)

Modify event flag.

Parameters

• evfd (int) – File descriptor.

• events (int) – Event flag.

Returns

None

poll(timeout, maxevts=65536)

Poll events.

Parameters

• timeout (int) – Timeout.

• maxevts (int) – Maximum number of events which are polled.

Returns

Event pairs (fd, events).

Return type

[(int, int)]

register(evfd, events)

Register event.

Parameters

• evfd (int) – File descriptor.

• events (int) – Event flag.

Returns

None

unregister(evfd)

Unregister event.

Parameters

evfd (int) – File descriptor.

Returns

None

PyExt.create_task(exe_path, argv, envp, fd_mapping, work_path, root_path, uid, gid, timelimit, memlimit, restrict_level)

Create a task.

Parameters

• exe_path (string) – Executable file path.

• argv ([string]) – List of arguments.

• envp ([string]) – List of environment variables.

• fd_mapping (dict) – File descriptor mapping.

• work_path (string) – Working directory.

• root_path (string) – Root directory.

• uid (int) – UID of sandbox.

• gid (int) – GID of sandbox.

• timelimit (int) – Timelimit of sandbox.

• memlimit (int) – Memlimit of sandbox.

• restrict_level (int) – Restriction level of sandbox.

Returns

Task ID, or None if failed to create the task.

Return type

int

PyExt.emit_task()

Emit tasks.

PyExt.init()

Initialize the module.

PyExt.start_task(task_id, callback, started_callback=None)

Start a task.

The task may be pended if the running queue is full.

Parameters

• task_id (int) – Task ID.

• callback (function) – Done callback.

• started_callback (function, optinal) – Started callback.

Returns

None