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mitogen/docs/internals.rst

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7 years ago
Internal API Reference
**********************
.. note::
Internal APIs are subject to rapid change even across minor releases. This
page exists to help users modify and extend the library.
.. toctree::
:hidden:
signals
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Constants
=========
.. currentmodule:: mitogen.core
.. autodata:: CHUNK_SIZE
Pollers
=======
.. currentmodule:: mitogen.core
.. autoclass:: Poller
:members:
.. currentmodule:: mitogen.parent
.. autoclass:: KqueuePoller
.. currentmodule:: mitogen.parent
.. autoclass:: EpollPoller
.. currentmodule:: mitogen.parent
.. autoclass:: PollPoller
Latch
=====
.. currentmodule:: mitogen.core
.. autoclass:: Latch
:members:
Logging
=======
See also :class:`mitogen.core.IoLoggerProtocol`.
.. currentmodule:: mitogen.master
.. autoclass:: LogForwarder
:members:
.. currentmodule:: mitogen.core
.. autoclass:: PidfulStreamHandler
:members:
Stream, Side & Protocol
=======================
.. currentmodule:: mitogen.core
.. autoclass:: Stream
:members:
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.. currentmodule:: mitogen.core
.. autoclass:: Side
:members:
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.. currentmodule:: mitogen.core
.. autoclass:: Protocol
:members:
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.. currentmodule:: mitogen.parent
.. autoclass:: BootstrapProtocol
:members:
.. currentmodule:: mitogen.core
.. autoclass:: DelimitedProtocol
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:members:
.. currentmodule:: mitogen.core
.. autoclass:: IoLoggerProtocol
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:members:
.. currentmodule:: mitogen.core
.. autoclass:: MitogenProtocol
:members:
.. currentmodule:: mitogen.parent
.. autoclass:: MitogenProtocol
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:members:
.. currentmodule:: mitogen.core
.. autoclass:: Waker
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:members:
Connection & Options
====================
.. currentmodule:: mitogen.fork
.. autoclass:: Options
:members:
.. autoclass:: Connection
:members:
.. currentmodule:: mitogen.parent
.. autoclass:: Options
:members:
.. autoclass:: Connection
:members:
.. currentmodule:: mitogen.ssh
.. autoclass:: Options
:members:
.. autoclass:: Connection
:members:
.. currentmodule:: mitogen.sudo
.. autoclass:: Options
:members:
.. autoclass:: Connection
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:members:
Import Mechanism
================
.. currentmodule:: mitogen.core
.. autoclass:: Importer
:members:
.. currentmodule:: mitogen.master
.. autoclass:: ModuleResponder
:members:
.. currentmodule:: mitogen.parent
.. autoclass:: ModuleForwarder
:members:
Module Finders
==============
.. currentmodule:: mitogen.master
.. autoclass:: ModuleFinder
:members:
.. currentmodule:: mitogen.master
.. autoclass:: FinderMethod
:members:
.. currentmodule:: mitogen.master
.. autoclass:: DefectivePython3xMainMethod
:members:
.. currentmodule:: mitogen.master
.. autoclass:: PkgutilMethod
:members:
.. currentmodule:: mitogen.master
.. autoclass:: SysModulesMethod
:members:
.. currentmodule:: mitogen.master
.. autoclass:: ParentEnumerationMethod
:members:
Routing Management
==================
.. currentmodule:: mitogen.parent
.. autoclass:: RouteMonitor
:members:
Timer Management
================
.. currentmodule:: mitogen.parent
.. autoclass:: TimerList
:members:
.. currentmodule:: mitogen.parent
.. autoclass:: Timer
:members:
Context ID Allocation
=====================
.. currentmodule:: mitogen.master
.. autoclass:: IdAllocator
:members:
.. currentmodule:: mitogen.parent
.. autoclass:: ChildIdAllocator
:members:
Child Implementation
====================
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.. currentmodule:: mitogen.core
.. autoclass:: ExternalContext
:members:
.. currentmodule:: mitogen.core
.. autoclass:: Dispatcher
:members:
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Process Management
==================
.. currentmodule:: mitogen.parent
.. autoclass:: Reaper
:members:
.. currentmodule:: mitogen.parent
.. autoclass:: Process
:members:
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.. currentmodule:: mitogen.parent
.. autoclass:: PopenProcess
:members:
.. currentmodule:: mitogen.fork
.. autoclass:: Process
:members:
Helper Functions
================
Subprocess Functions
---------------------
.. currentmodule:: mitogen.parent
.. autofunction:: create_child
.. autofunction:: hybrid_tty_create_child
.. autofunction:: tty_create_child
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Helpers
-------
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.. currentmodule:: mitogen.core
.. autofunction:: has_parent_authority
.. autofunction:: io_op
.. autofunction:: pipe
.. autofunction:: set_block
.. autofunction:: set_cloexec
.. autofunction:: set_nonblock
.. autofunction:: to_text
.. currentmodule:: mitogen.parent
.. autofunction:: create_socketpair
.. currentmodule:: mitogen.master
.. autofunction:: get_child_modules
.. currentmodule:: mitogen.minify
.. autofunction:: minimize_source
Signals
=======
Mitogen contains a simplistic signal mechanism to decouple its components. When
a signal is fired by an instance of a class, functions registered to receive it
are called back.
.. warning::
As signals execute on the Broker thread, and without exception handling,
they are generally unsafe for consumption by user code, as any bugs could
trigger crashes and hangs for which the broker is unable to forward logs,
or ensure the buggy context always shuts down on disconnect.
Functions
---------
.. currentmodule:: mitogen.core
.. autofunction:: listen
.. autofunction:: unlisten
.. autofunction:: fire
List
----
These signals are used internally by Mitogen.
.. list-table::
:header-rows: 1
:widths: auto
* - Class
- Name
- Description
* - :py:class:`mitogen.core.Stream`
- ``disconnect``
- Fired on the Broker thread when disconnection is detected.
* - :py:class:`mitogen.core.Context`
- ``disconnect``
- Fired on the Broker thread during shutdown (???)
* - :py:class:`mitogen.core.Broker`
- ``shutdown``
- Fired after Broker.shutdown() is called.
* - :py:class:`mitogen.core.Broker`
- ``exit``
- Fired immediately prior to the broker thread exit.