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nexedi
mitogen
Commits
b809d438
Commit
b809d438
authored
Sep 18, 2017
by
David Wilson
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Plain Diff
Move more docstrings out of core.py.
parent
918edf51
Changes
3
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3 changed files
with
74 additions
and
61 deletions
+74
-61
docs/api.rst
docs/api.rst
+26
-6
docs/internals.rst
docs/internals.rst
+43
-1
mitogen/core.py
mitogen/core.py
+5
-54
No files found.
docs/api.rst
View file @
b809d438
...
@@ -20,7 +20,11 @@ mitogen Package
...
@@ -20,7 +20,11 @@ mitogen Package
mitogen.core
mitogen.core
------------
------------
.. automodule:: mitogen.core
.. module:: mitogen.core
This module implements most package functionality, but remains separate from
non-essential code in order to reduce its size, since it is also serves as the
bootstrap implementation sent to every new slave context.
.. function:: mitogen.core.takes_econtext
.. function:: mitogen.core.takes_econtext
...
@@ -107,8 +111,24 @@ Utility Functions
...
@@ -107,8 +111,24 @@ Utility Functions
Exceptions
Exceptions
==========
==========
.. autoclass:: mitogen.core.Error
.. class:: mitogen.core.Error (fmt, \*args)
.. autoclass:: mitogen.core.CallError
.. autoclass:: mitogen.core.ChannelError
Base for all exceptions raised by Mitogen.
.. autoclass:: mitogen.core.StreamError
.. autoclass:: mitogen.core.TimeoutError
.. class:: mitogen.core.CallError (e)
Raised when :py:meth:`Context.call() <mitogen.master.Context.call>` fails.
A copy of the traceback from the external context is appended to the
exception message.
.. class:: mitogen.core.ChannelError (fmt, \*args)
Raised when a channel dies or has been closed.
.. class:: mitogen.core.StreamError (fmt, \*args)
Raised when a stream cannot be established.
.. autoclass:: mitogen.core.TimeoutError (fmt, \*args)
Raised when a timeout occurs on a stream.
docs/internals.rst
View file @
b809d438
...
@@ -44,7 +44,38 @@ Other Stream Subclasses
...
@@ -44,7 +44,38 @@ Other Stream Subclasses
ExternalContext Class
ExternalContext Class
---------------------
---------------------
.. autoclass:: mitogen.core.ExternalContext
.. class:: mitogen.core.ExternalContext
External context implementation.
.. attribute:: broker
The :py:class:`mitogen.core.Broker` instance.
.. attribute:: context
The :py:class:`mitogen.core.Context` instance.
.. attribute:: channel
The :py:class:`mitogen.core.Channel` over which
:py:data:`CALL_FUNCTION` requests are received.
.. attribute:: stdout_log
The :py:class:`mitogen.core.IoLogger` connected to ``stdout``.
.. attribute:: importer
The :py:class:`mitogen.core.Importer` instance.
.. attribute:: stdout_log
The :py:class:`IoLogger` connected to ``stdout``.
.. attribute:: stderr_log
The :py:class:`IoLogger` connected to ``stderr``.
mitogen.master
mitogen.master
...
@@ -56,6 +87,17 @@ mitogen.master
...
@@ -56,6 +87,17 @@ mitogen.master
Helper Functions
Helper Functions
----------------
----------------
.. function:: mitogen.core.io_op (func, \*args)
When connected over a TTY (i.e. sudo), disconnection of the remote end is
signalled by EIO, rather than an empty read like sockets or pipes. Ideally
this will be replaced later by a 'goodbye' message to avoid reading from a
disconnected endpoint, allowing for more robust error reporting.
When connected over a socket (e.g. mitogen.master.create_child()),
ECONNRESET may be triggered by any read or write.
.. autofunction:: mitogen.master.create_child
.. autofunction:: mitogen.master.create_child
.. autofunction:: mitogen.master.get_child_modules
.. autofunction:: mitogen.master.get_child_modules
.. autofunction:: mitogen.master.minimize_source
.. autofunction:: mitogen.master.minimize_source
mitogen/core.py
View file @
b809d438
"""
This module implements most package functionality, but remains separate from
non-essential code in order to reduce its size, since it is also serves as the
bootstrap implementation sent to every new slave context.
"""
import
Queue
import
Queue
import
cPickle
import
cPickle
...
@@ -47,7 +42,6 @@ else:
...
@@ -47,7 +42,6 @@ else:
class
Error
(
Exception
):
class
Error
(
Exception
):
"""Base for all exceptions raised by this module."""
def
__init__
(
self
,
fmt
,
*
args
):
def
__init__
(
self
,
fmt
,
*
args
):
if
args
:
if
args
:
fmt
%=
args
fmt
%=
args
...
@@ -55,10 +49,6 @@ class Error(Exception):
...
@@ -55,10 +49,6 @@ class Error(Exception):
class
CallError
(
Error
):
class
CallError
(
Error
):
"""Raised when :py:meth:`Context.call() <mitogen.master.Context.call>`
fails. A copy of the traceback from the external context is appended to the
exception message.
"""
def
__init__
(
self
,
e
):
def
__init__
(
self
,
e
):
s
=
'%s.%s: %s'
%
(
type
(
e
).
__module__
,
type
(
e
).
__name__
,
e
)
s
=
'%s.%s: %s'
%
(
type
(
e
).
__module__
,
type
(
e
).
__name__
,
e
)
tb
=
sys
.
exc_info
()[
2
]
tb
=
sys
.
exc_info
()[
2
]
...
@@ -70,6 +60,7 @@ class CallError(Error):
...
@@ -70,6 +60,7 @@ class CallError(Error):
def
__reduce__
(
self
):
def
__reduce__
(
self
):
return
(
_unpickle_call_error
,
(
self
[
0
],))
return
(
_unpickle_call_error
,
(
self
[
0
],))
def
_unpickle_call_error
(
s
):
def
_unpickle_call_error
(
s
):
assert
type
(
s
)
is
str
and
len
(
s
)
<
10000
assert
type
(
s
)
is
str
and
len
(
s
)
<
10000
inst
=
CallError
.
__new__
(
CallError
)
inst
=
CallError
.
__new__
(
CallError
)
...
@@ -78,15 +69,15 @@ def _unpickle_call_error(s):
...
@@ -78,15 +69,15 @@ def _unpickle_call_error(s):
class
ChannelError
(
Error
):
class
ChannelError
(
Error
):
"""Raised when a channel dies or has been closed."""
pass
class
StreamError
(
Error
):
class
StreamError
(
Error
):
"""Raised when a stream cannot be established."""
pass
class
TimeoutError
(
StreamError
):
class
TimeoutError
(
StreamError
):
"""Raised when a timeout occurs on a stream."""
pass
class
Dead
(
object
):
class
Dead
(
object
):
...
@@ -99,6 +90,7 @@ class Dead(object):
...
@@ -99,6 +90,7 @@ class Dead(object):
def
__repr__
(
self
):
def
__repr__
(
self
):
return
'<Dead>'
return
'<Dead>'
def
_unpickle_dead
():
def
_unpickle_dead
():
return
_DEAD
return
_DEAD
...
@@ -133,15 +125,6 @@ def set_cloexec(fd):
...
@@ -133,15 +125,6 @@ def set_cloexec(fd):
def
io_op
(
func
,
*
args
):
def
io_op
(
func
,
*
args
):
"""
When connected over a TTY (i.e. sudo), disconnection of the remote end is
signalled by EIO, rather than an empty read like sockets or pipes. Ideally
this will be replaced later by a 'goodbye' message to avoid reading from a
disconnected endpoint, allowing for more robust error reporting.
When connected over a socket (e.g. mitogen.master.create_child()),
ECONNRESET may be triggered by any read or write.
"""
try
:
try
:
return
func
(
*
args
),
False
return
func
(
*
args
),
False
except
OSError
,
e
:
except
OSError
,
e
:
...
@@ -1076,38 +1059,6 @@ class Broker(object):
...
@@ -1076,38 +1059,6 @@ class Broker(object):
class
ExternalContext
(
object
):
class
ExternalContext
(
object
):
"""
External context implementation.
.. attribute:: broker
The :py:class:`mitogen.core.Broker` instance.
.. attribute:: context
The :py:class:`mitogen.core.Context` instance.
.. attribute:: channel
The :py:class:`mitogen.core.Channel` over which
:py:data:`CALL_FUNCTION` requests are received.
.. attribute:: stdout_log
The :py:class:`mitogen.core.IoLogger` connected to ``stdout``.
.. attribute:: importer
The :py:class:`mitogen.core.Importer` instance.
.. attribute:: stdout_log
The :py:class:`IoLogger` connected to ``stdout``.
.. attribute:: stderr_log
The :py:class:`IoLogger` connected to ``stderr``.
"""
def
_on_broker_shutdown
(
self
):
def
_on_broker_shutdown
(
self
):
self
.
channel
.
close
()
self
.
channel
.
close
()
...
...
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