Yury Selivanov [Tue, 30 Jun 2015 22:19:01 +0000 (18:19 -0400)]
Issue #24400: Remove inspect.isawaitable().
isawaitable() was added before collections.abc.Awaitable; now,
with Awaitable, it is no longer needed (we don't have ishashable()
or isiterable() methods in the inspect module either).
Serhiy Storchaka [Mon, 29 Jun 2015 20:08:52 +0000 (23:08 +0300)]
Issue #19176: Fixed doctype() related bugs in C implementation of ElementTree.
A deprecation warning no longer issued by XMLParser subclass with default
doctype() method. Direct call of doctype() now issues a warning. Parser's
doctype() now is not called if target's doctype() is called. Based on patch
by Martin Panter.
Serhiy Storchaka [Mon, 29 Jun 2015 19:35:58 +0000 (22:35 +0300)]
Issue #19176: Fixed doctype() related bugs in C implementation of ElementTree.
A deprecation warning no longer issued by XMLParser subclass with default
doctype() method. Direct call of doctype() now issues a warning. Parser's
doctype() now is not called if target's doctype() is called. Based on patch
by Martin Panter.
Serhiy Storchaka [Mon, 29 Jun 2015 18:18:01 +0000 (21:18 +0300)]
Issue #24467: Fixed possible buffer over-read in bytearray. The bytearray
object now always allocates place for trailing null byte and it's buffer now
is always null-terminated.
Serhiy Storchaka [Mon, 29 Jun 2015 18:14:06 +0000 (21:14 +0300)]
Issue #24467: Fixed possible buffer over-read in bytearray. The bytearray
object now always allocates place for trailing null byte and it's buffer now
is always null-terminated.
Yury Selivanov [Mon, 22 Jun 2015 16:19:30 +0000 (12:19 -0400)]
Issue #24400: Introduce a distinct type for 'async def' coroutines.
Summary of changes:
1. Coroutines now have a distinct, separate from generators
type at the C level: PyGen_Type, and a new typedef PyCoroObject.
PyCoroObject shares the initial segment of struct layout with
PyGenObject, making it possible to reuse existing generators
machinery. The new type is exposed as 'types.CoroutineType'.
As a consequence of having a new type, CO_GENERATOR flag is
no longer applied to coroutines.
2. Having a separate type for coroutines made it possible to add
an __await__ method to the type. Although it is not used by the
interpreter (see details on that below), it makes coroutines
naturally (without using __instancecheck__) conform to
collections.abc.Coroutine and collections.abc.Awaitable ABCs.
[The __instancecheck__ is still used for generator-based
coroutines, as we don't want to add __await__ for generators.]
3. Add new opcode: GET_YIELD_FROM_ITER. The opcode is needed to
allow passing native coroutines to the YIELD_FROM opcode.
Before this change, 'yield from o' expression was compiled to:
(o)
GET_ITER
LOAD_CONST
YIELD_FROM
Now, we use GET_YIELD_FROM_ITER instead of GET_ITER.
The reason for adding a new opcode is that GET_ITER is used
in some contexts (such as 'for .. in' loops) where passing
a coroutine object is invalid.
4. Add two new introspection functions to the inspec module:
getcoroutinestate(c) and getcoroutinelocals(c).
5. inspect.iscoroutine(o) is updated to test if 'o' is a native
coroutine object. Before this commit it used abc.Coroutine,
and it was requested to update inspect.isgenerator(o) to use
abc.Generator; it was decided, however, that inspect functions
should really be tailored for checking for native types.
6. sys.set_coroutine_wrapper(w) API is updated to work with only
native coroutines. Since types.coroutine decorator supports
any type of callables now, it would be confusing that it does
not work for all types of coroutines.
7. Exceptions logic in generators C implementation was updated
to raise clearer messages for coroutines:
Victor Stinner [Fri, 12 Jun 2015 20:01:54 +0000 (22:01 +0200)]
(Merge 3.4) Issue #15745: Rewrite os.utime() tests in test_os
* Don't use the timestamp of an existing file anymore, only use fixed
timestamp
* Enhance the code checking the resolution of the filesystem timestamps.
* Check timestamps with a resolution of 1 microsecond instead of 1 millisecond
* When os.utime() uses the current system clock, tolerate a delta of 20 ms.
Before some os.utime() tolerated a different of 10 seconds.
* Merge duplicated tests and simplify the code
Victor Stinner [Fri, 12 Jun 2015 19:58:00 +0000 (21:58 +0200)]
Issue #15745: Rewrite os.utime() tests in test_os
* Don't use the timestamp of an existing file anymore, only use fixed
timestamp
* Enhance the code checking the resolution of the filesystem timestamps.
* Check timestamps with a resolution of 1 microsecond instead of 1 millisecond
* When os.utime() uses the current system clock, tolerate a delta of 20 ms.
Before some os.utime() tolerated a different of 10 seconds.
* Merge duplicated tests and simplify the code
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