Commit Graph

152 Commits

Author SHA1 Message Date
Victor Stinner 4a21e57fe5
bpo-40268: Remove unused structmember.h includes (GH-19530)
If only offsetof() is needed: include stddef.h instead.

When structmember.h is used, add a comment explaining that
PyMemberDef is used.
2020-04-15 02:35:41 +02:00
Victor Stinner 62183b8d6d
bpo-40268: Remove explicit pythread.h includes (#19529)
Remove explicit pythread.h includes: it is always included
by Python.h.
2020-04-15 02:04:42 +02:00
Victor Stinner e5014be049
bpo-40268: Remove a few pycore_pystate.h includes (GH-19510) 2020-04-14 17:52:15 +02:00
Victor Stinner 87d3b9db4a
bpo-39882: Add _Py_FatalErrorFormat() function (GH-19157) 2020-03-25 19:27:36 +01:00
Andy Lester dffe4c0709
bpo-39573: Finish converting to new Py_IS_TYPE() macro (GH-18601) 2020-03-04 14:15:20 +01:00
Berker Peksag fd5116c0e7
bpo-35950: Raise UnsupportedOperation in BufferedReader.truncate() (GH-18586)
The truncate() method of io.BufferedReader() should raise
UnsupportedOperation when it is called on a read-only
io.BufferedReader() instance.





https://bugs.python.org/issue35950



Automerge-Triggered-By: @methane
2020-02-21 09:57:26 -08:00
Petr Viktorin ffd9753a94
bpo-39245: Switch to public API for Vectorcall (GH-18460)
The bulk of this patch was generated automatically with:

    for name in \
        PyObject_Vectorcall \
        Py_TPFLAGS_HAVE_VECTORCALL \
        PyObject_VectorcallMethod \
        PyVectorcall_Function \
        PyObject_CallOneArg \
        PyObject_CallMethodNoArgs \
        PyObject_CallMethodOneArg \
    ;
    do
        echo $name
        git grep -lwz _$name | xargs -0 sed -i "s/\b_$name\b/$name/g"
    done

    old=_PyObject_FastCallDict
    new=PyObject_VectorcallDict
    git grep -lwz $old | xargs -0 sed -i "s/\b$old\b/$new/g"

and then cleaned up:

- Revert changes to in docs & news
- Revert changes to backcompat defines in headers
- Nudge misaligned comments
2020-02-11 17:46:57 +01:00
Philipp Gesang cb1c0746f2
closes bpo-39510: Fix use-after-free in BufferedReader.readinto() (GH-18295)
When called on a closed object, readinto() segfaults on account
of a write to a freed buffer:

    ==220553== Process terminating with default action of signal 11 (SIGSEGV): dumping core
    ==220553==  Access not within mapped region at address 0x2A
    ==220553==    at 0x48408A0: memmove (vg_replace_strmem.c:1272)
    ==220553==    by 0x58DB0C: _buffered_readinto_generic (bufferedio.c:972)
    ==220553==    by 0x58DCBA: _io__Buffered_readinto_impl (bufferedio.c:1053)
    ==220553==    by 0x58DCBA: _io__Buffered_readinto (bufferedio.c.h:253)

Reproducer:

    reader = open ("/dev/zero", "rb")
    _void  = reader.read (42)
    reader.close ()
    reader.readinto (bytearray (42)) ### BANG!

The problem exists since 2012 when commit dc469454ec added code
to free the read buffer on close().

Signed-off-by: Philipp Gesang <philipp.gesang@intra2net.com>
2020-02-04 13:25:16 -08:00
Serhiy Storchaka b235a1b473
bpo-37960: Silence only necessary errors in repr() of buffered and text streams. (GH-15543) 2019-08-29 09:25:22 +03:00
Jeroen Demeyer 59ad110d7a bpo-37547: add _PyObject_CallMethodOneArg (GH-14685) 2019-07-11 17:59:05 +09:00
Jeroen Demeyer 762f93ff2e bpo-37337: Add _PyObject_CallMethodNoArgs() (GH-14267) 2019-07-08 17:19:25 +09:00
Jeroen Demeyer 530f506ac9 bpo-36974: tp_print -> tp_vectorcall_offset and tp_reserved -> tp_as_async (GH-13464)
Automatically replace
tp_print -> tp_vectorcall_offset
tp_compare -> tp_as_async
tp_reserved -> tp_as_async
2019-05-30 19:13:39 -07:00
Antoine Pitrou ada319bb6d
bpo-32388: Remove cross-version binary compatibility requirement in tp_flags (GH-4944)
It is now allowed to add new fields at the end of the PyTypeObject struct without having to allocate a dedicated compatibility flag in tp_flags.

This will reduce the risk of running out of bits in the 32-bit tp_flags value.
2019-05-29 22:12:38 +02:00
Victor Stinner bcda8f1d42
bpo-35081: Add Include/internal/pycore_object.h (GH-10640)
Move _PyObject_GC_TRACK() and _PyObject_GC_UNTRACK() from
Include/objimpl.h to Include/internal/pycore_object.h.
2018-11-21 22:27:47 +01:00
Victor Stinner 621cebe81b
bpo-35081: Rename internal headers (GH-10275)
Rename Include/internal/ headers:

* pycore_hash.h -> pycore_pyhash.h
* pycore_lifecycle.h -> pycore_pylifecycle.h
* pycore_mem.h -> pycore_pymem.h
* pycore_state.h -> pycore_pystate.h

Add missing headers to Makefile.pre.in and PCbuild:

* pycore_condvar.h.
* pycore_hamt.h
* pycore_pyhash.h
2018-11-12 16:53:38 +01:00
Victor Stinner 27e2d1f219
bpo-35081: Add pycore_ prefix to internal header files (GH-10263)
* Rename Include/internal/ header files:

  * pyatomic.h -> pycore_atomic.h
  * ceval.h -> pycore_ceval.h
  * condvar.h -> pycore_condvar.h
  * context.h -> pycore_context.h
  * pygetopt.h -> pycore_getopt.h
  * gil.h -> pycore_gil.h
  * hamt.h -> pycore_hamt.h
  * hash.h -> pycore_hash.h
  * mem.h -> pycore_mem.h
  * pystate.h -> pycore_state.h
  * warnings.h -> pycore_warnings.h

* PCbuild project, Makefile.pre.in, Modules/Setup: add the
  Include/internal/ directory to the search paths of header files.
* Update includes. For example, replace #include "internal/mem.h"
  with #include "pycore_mem.h".
2018-11-01 00:52:28 +01:00
Serhiy Storchaka 0353b4eaaf
bpo-33138: Change standard error message for non-pickleable and non-copyable types. (GH-6239) 2018-10-31 02:28:07 +02:00
jdemeyer fc512e3e06 bpo-34287: Do not use second argument of METH_NOARGS functions (GH-8582) 2018-08-02 20:14:54 +09:00
Nitish Chandra 059f58ce93 bpo-32228: Reset raw_pos after unwinding the raw stream (#4858)
Ensure that ``truncate()`` preserves the file position (as reported by ``tell()``) after writes longer than the buffer size.
2018-01-28 17:00:09 +01:00
Serhiy Storchaka f320be77ff bpo-32571: Avoid raising unneeded AttributeError and silencing it in C code (GH-5222)
Add two new private APIs: _PyObject_LookupAttr() and _PyObject_LookupAttrId()
2018-01-25 17:49:40 +09:00
Serhiy Storchaka 4d9aec0220
bpo-31572: Get rid of PyObject_HasAttr() and _PyObject_HasAttrId() in the _io module. (#3726) 2018-01-16 18:34:21 +02:00
Antoine Pitrou 317def9fdb bpo-17852: Revert incorrect fix based on misunderstanding of _Py_PyAtExit() semantics (#4826) 2017-12-13 01:39:26 +01:00
benfogle 9703f092ab bpo-31976: Fix race condition when flushing a file is slow. (#4331) 2017-11-10 22:03:40 +01:00
Neil Schemenauer 0a1ff24acf bpo-17852: Maintain a list of BufferedWriter objects. Flush them on exit. (#3372)
* Maintain a list of BufferedWriter objects.  Flush them on exit.

In Python 3, the buffer and the underlying file object are separate
and so the order in which objects are finalized matters.  This is
unlike Python 2 where the file and buffer were a single object and
finalization was done for both at the same time.  In Python 3, if
the file is finalized and closed before the buffer then the data in
the buffer is lost.

This change adds a doubly linked list of open file buffers.  An atexit
hook ensures they are flushed before proceeding with interpreter
shutdown.  This is addition does not remove the need to properly close
files as there are other reasons why buffered data could get lost during
finalization.

Initial patch by Armin Rigo.

* Use weakref.WeakSet instead of WeakKeyDictionary.

* Simplify buffered double-linked list types.

* In _flush_all_writers(), suppress errors from flush().

* Remove NEWS entry, use blurb.

* Take more care when flushing file buffers from atexit.

The previous implementation was not careful enough to avoid
causing issues in multi-threaded cases.  Check for buf->ok
and buf->finalizing before actually doing the flush.  Also,
increase the refcnt to ensure the object does not disappear.
2017-09-22 10:17:30 -07:00
Eric Snow 2ebc5ce42a bpo-30860: Consolidate stateful runtime globals. (#3397)
* group the (stateful) runtime globals into various topical structs
* consolidate the topical structs under a single top-level _PyRuntimeState struct
* add a check-c-globals.py script that helps identify runtime globals

Other globals are excluded (see globals.txt and check-c-globals.py).
2017-09-07 23:51:28 -06:00
Antoine Pitrou a6a4dc816d bpo-31370: Remove support for threads-less builds (#3385)
* Remove Setup.config
* Always define WITH_THREAD for compatibility.
2017-09-07 18:56:24 +02:00
Eric Snow 05351c1bd8 Revert "bpo-30860: Consolidate stateful runtime globals." (#3379)
Windows buildbots started failing due to include-related errors.
2017-09-05 21:43:08 -07:00
Eric Snow 76d5abc868 bpo-30860: Consolidate stateful runtime globals. (#2594)
* group the (stateful) runtime globals into various topical structs
* consolidate the topical structs under a single top-level _PyRuntimeState struct
* add a check-c-globals.py script that helps identify runtime globals

Other globals are excluded (see globals.txt and check-c-globals.py).
2017-09-05 18:26:16 -07:00
Neil Schemenauer db564238db Revert "bpo-17852: Maintain a list of BufferedWriter objects. Flush them on exit. (#1908)" (#3337)
This reverts commit e38d12ed34.
2017-09-04 22:13:17 -07:00
Neil Schemenauer e38d12ed34 bpo-17852: Maintain a list of BufferedWriter objects. Flush them on exit. (#1908)
* Maintain a list of BufferedWriter objects.  Flush them on exit.

In Python 3, the buffer and the underlying file object are separate
and so the order in which objects are finalized matters.  This is
unlike Python 2 where the file and buffer were a single object and
finalization was done for both at the same time.  In Python 3, if
the file is finalized and closed before the buffer then the data in
the buffer is lost.

This change adds a doubly linked list of open file buffers.  An atexit
hook ensures they are flushed before proceeding with interpreter
shutdown.  This is addition does not remove the need to properly close
files as there are other reasons why buffered data could get lost during
finalization.

Initial patch by Armin Rigo.

* Use weakref.WeakSet instead of WeakKeyDictionary.

* Simplify buffered double-linked list types.

* In _flush_all_writers(), suppress errors from flush().

* Remove NEWS entry, use blurb.
2017-09-04 20:18:38 -07:00
Serhiy Storchaka 55fe1ae970 bpo-30022: Get rid of using EnvironmentError and IOError (except test… (#1051) 2017-04-16 10:46:38 +03:00
Serhiy Storchaka 762bf40438 bpo-29852: Argument Clinic Py_ssize_t converter now supports None (#716)
if pass `accept={int, NoneType}`.
2017-03-30 09:15:31 +03:00
Serhiy Storchaka aefa7ebf0f bpo-6532: Make the thread id an unsigned integer. (#781)
* bpo-6532: Make the thread id an unsigned integer.

From C API side the type of results of PyThread_start_new_thread() and
PyThread_get_thread_ident(), the id parameter of
PyThreadState_SetAsyncExc(), and the thread_id field of PyThreadState
changed from "long" to "unsigned long".

* Restore a check in thread_get_ident().
2017-03-23 14:48:39 +01:00
Serhiy Storchaka fff9a31a91 bpo-29865: Use PyXXX_GET_SIZE macros rather than Py_SIZE for concrete types. (#748) 2017-03-21 08:53:25 +02:00
Serhiy Storchaka a5af6e1af7 bpo-25455: Fixed crashes in repr of recursive buffered file-like objects. (#514) 2017-03-19 19:25:29 +02:00
Serhiy Storchaka 228b12edcc Issue #28999: Use Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE wherever
possible.  Patch is writen with Coccinelle.
2017-01-23 09:47:21 +02:00
Victor Stinner 61bdb0d319 Use _PyObject_CallMethodIdObjArgs() in _io
Issue #28915: Replace _PyObject_CallMethodId() with
_PyObject_CallMethodIdObjArgs() when the format string was only made of "O"
formats, PyObject* arguments.

_PyObject_CallMethodIdObjArgs() avoids the creation of a temporary tuple and
doesn't have to parse a format string.
2016-12-09 15:39:28 +01:00
Serhiy Storchaka 85b0f5beb1 Added the const qualifier to char* variables that refer to readonly internal
UTF-8 represenatation of Unicode objects.
2016-11-20 10:16:47 +02:00
Martin Panter ccb2c0e310 Issue #23214: Implement optional BufferedReader, BytesIO read1() argument 2016-10-20 23:48:14 +00:00
Martin Panter c249221dfd Issue #20699: Merge io bytes-like fixes from 3.5 2016-05-28 01:07:08 +00:00
Martin Panter 6bb91f3b6e Issue #20699: Document that “io” methods accept bytes-like objects
This matches the usage of ZipFile and BufferedWriter. This still requires
return values to be bytes() objects.

Also document and test that the write() methods should only access their
argument before they return.
2016-05-28 00:41:57 +00:00
Serhiy Storchaka ec39756960 Issue #22570: Renamed Py_SETREF to Py_XSETREF. 2016-04-06 09:50:03 +03:00
Serhiy Storchaka 48842714b9 Issue #22570: Renamed Py_SETREF to Py_XSETREF. 2016-04-06 09:45:48 +03:00
Martin Panter 047f3b7376 Issue #22854: Merge UnsupportedOperation fixes from 3.5 2016-03-31 08:25:59 +00:00
Martin Panter 754aab28ed Issue #22854: Clarify documentation about UnsupportedOperation and add tests
Also change BufferedReader.writable() and BufferedWriter.readable() to always
return False.
2016-03-31 07:21:56 +00:00
Serhiy Storchaka bdb908ea54 Issue #20440: Applied yet one patch for using Py_SETREF.
The patch is automatically generated, it replaces the code that uses Py_CLEAR.
2015-12-27 12:38:28 +02:00
Serhiy Storchaka 4a1e70fc31 Issue #20440: Applied yet one patch for using Py_SETREF.
The patch is automatically generated, it replaces the code that uses Py_CLEAR.
2015-12-27 12:36:18 +02:00
Serhiy Storchaka ef1585eb9a Issue #25923: Added more const qualifiers to signatures of static and private functions. 2015-12-25 20:01:53 +02:00
Serhiy Storchaka 5c4064e8bd Issue #25421: __sizeof__ methods of builtin types now use dynamic basic size.
This allows sys.getsize() to work correctly with their subclasses with
__slots__ defined.
2015-12-19 20:05:25 +02:00
Steve Dower 6baa0f9805 Fixes cast warning in bufferedio.c 2015-05-23 08:59:25 -07:00