Mailman 3 April 2019 - Python-checkins

bpo-36722: Style and grammar edits for ABI news entries (GH-12979)
by Victor Stinner April 27, 2019

April 27, 2019

https://github.com/python/cpython/commit/5c403b203510549a3f89d138d3265c5cc0… commit: 5c403b203510549a3f89d138d3265c5cc0cc12af branch: master author: Paul Ganssle <pganssle(a)users.noreply.github.com> committer: Victor Stinner <vstinner(a)redhat.com> date: 2019-04-27T20:14:35+02:00 summary: bpo-36722: Style and grammar edits for ABI news entries (GH-12979) files: M Doc/whatsnew/3.8.rst M Misc/NEWS.d/next/Build/2019-04-09-18-19-43.bpo-36465.-w6vx6.rst M Misc/NEWS.d/next/Build/2019-04-25-01-51-52.bpo-21536.ACQkiC.rst M Misc/SpecialBuilds.txt diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst index 444625040afb..8d94a9ff5441 100644 --- a/Doc/whatsnew/3.8.rst +++ b/Doc/whatsnew/3.8.rst @@ -101,20 +101,21 @@ subdirectories). Debug build uses the same ABI as release build ----------------------------------------------- -Python now uses the same ABI when built in release and in debug mode. On Unix, -when Python is build in debug mode, it is now possible to load C extensions -built in release mode and C extensions built using the stable ABI. - -Release build and debug build are now ABI compatible: the ``Py_DEBUG`` define -no longer implies the ``Py_TRACE_REFS`` define which introduces the only ABI -incompatibility. A new ``./configure --with-trace-refs`` build option is now -required to get ``Py_TRACE_REFS`` define which adds :func:`sys.getobjects` -function and :envvar:`PYTHONDUMPREFS` environment variable. +Python now uses the same ABI whether it built in release or debug mode. On +Unix, when Python is built in debug mode, it is now possible to load C +extensions built in release mode and C extensions built using the stable ABI. + +Release builds and debug builds are now ABI compatible: defining the +``Py_DEBUG`` macro no longer implies the ``Py_TRACE_REFS`` macro, which +introduces the only ABI incompatibility. The ``Py_TRACE_REFS`` macro, which +adds the :func:`sys.getobjects` function and the :envvar:`PYTHONDUMPREFS` +environment variable, can be set using the new ``./configure --with-trace-refs`` +build option. (Contributed by Victor Stinner in :issue:`36465`.) -On Unix, C extensions are no longer linked to libpython. It is now possible to -load a C extension built using a shared library Python -with a statically linked Python. +On Unix, C extensions are no longer linked to libpython. It is now possible +for a statically linked Python to load a C extension built using a shared +library Python. (Contributed by Victor Stinner in :issue:`21536`.) On Unix, when Python is built in debug mode, import now also looks for C diff --git a/Misc/NEWS.d/next/Build/2019-04-09-18-19-43.bpo-36465.-w6vx6.rst b/Misc/NEWS.d/next/Build/2019-04-09-18-19-43.bpo-36465.-w6vx6.rst index 52de1ef44830..8969d3c4df18 100644 --- a/Misc/NEWS.d/next/Build/2019-04-09-18-19-43.bpo-36465.-w6vx6.rst +++ b/Misc/NEWS.d/next/Build/2019-04-09-18-19-43.bpo-36465.-w6vx6.rst @@ -1,5 +1,6 @@ -Release build and debug build are now ABI compatible: the ``Py_DEBUG`` define -no longer implies ``Py_TRACE_REFS`` define which introduces the only ABI -incompatibility. A new ``./configure --with-trace-refs`` build option is now -required to get ``Py_TRACE_REFS`` define which adds :func:`sys.getobjects` -function and ``PYTHONDUMPREFS`` environment variable. +Release builds and debug builds are now ABI compatible: defining the +``Py_DEBUG`` macro no longer implies the ``Py_TRACE_REFS`` macro, which +introduces the only ABI incompatibility. The ``Py_TRACE_REFS`` macro, which +adds the :func:`sys.getobjects` function and the :envvar:`PYTHONDUMPREFS` +environment variable, can be set using the new ``./configure --with-trace-refs`` +build option. diff --git a/Misc/NEWS.d/next/Build/2019-04-25-01-51-52.bpo-21536.ACQkiC.rst b/Misc/NEWS.d/next/Build/2019-04-25-01-51-52.bpo-21536.ACQkiC.rst index 5e1e717b1ea8..8cfad76ab172 100644 --- a/Misc/NEWS.d/next/Build/2019-04-25-01-51-52.bpo-21536.ACQkiC.rst +++ b/Misc/NEWS.d/next/Build/2019-04-25-01-51-52.bpo-21536.ACQkiC.rst @@ -1,12 +1,12 @@ On Unix, C extensions are no longer linked to libpython. -It is now possible to load a C extension built using a shared library Python -with a statically linked Python. +It is now possible for a statically linked Python to load a C extension built +using a shared library Python. When Python is embedded, ``libpython`` must not be loaded with ``RTLD_LOCAL``, but ``RTLD_GLOBAL`` instead. Previously, using ``RTLD_LOCAL``, it was already -not possible to load C extensions which were not linked to ``libpython``, like -C extensions of the standard library built by the ``*shared*`` section of +not possible to load C extensions which were not linked to ``libpython``, such +as C extensions of the standard library built by the ``*shared*`` section of ``Modules/Setup``. distutils, python-config and python-config.py have been modified. diff --git a/Misc/SpecialBuilds.txt b/Misc/SpecialBuilds.txt index 193de57b0850..d1a032165f85 100644 --- a/Misc/SpecialBuilds.txt +++ b/Misc/SpecialBuilds.txt @@ -1,5 +1,5 @@ This file describes some special Python build types enabled via compile-time -preprocessor defines. +preprocessor directives. IMPORTANT: if you want to build a debug-enabled Python, it is recommended that you use ``./configure --with-pydebug``, rather than the options listed here.

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Syntax highlight IDLE html doc code example. (GH-12981)
by Miss Islington (bot) April 26, 2019

April 26, 2019

https://github.com/python/cpython/commit/5d90954856cc1d999dd5d153b807055fde… commit: 5d90954856cc1d999dd5d153b807055fde0d53ea branch: 3.7 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: GitHub <noreply(a)github.com> date: 2019-04-26T20:42:05-07:00 summary: Syntax highlight IDLE html doc code example. (GH-12981) The new markup is currently ignored by IDLE's tk doc display. (cherry picked from commit 55d035113dfb1bd90495c8571758f504ae8d4802) Co-authored-by: Terry Jan Reedy <tjreedy(a)udel.edu> files: M Doc/library/idle.rst M Lib/idlelib/help.html diff --git a/Doc/library/idle.rst b/Doc/library/idle.rst index 11e137bf1092..ad4491128326 100644 --- a/Doc/library/idle.rst +++ b/Doc/library/idle.rst @@ -724,11 +724,9 @@ to begin after the next tab stop. (They occur every 8 'characters'). Newline characters cause following text to appear on a new line. Other control characters are ignored or displayed as a space, box, or something else, depending on the operating system and font. (Moving the text cursor through -such output with arrow keys may exhibit some surprising spacing behavior.) +such output with arrow keys may exhibit some surprising spacing behavior.) :: -.. code-block:: none - - >>> s = 'a\tb\a<\x02><\r>\bc\nd' + >>> s = 'a\tb\a<\x02><\r>\bc\nd' # Enter 22 chars. >>> len(s) 14 >>> s # Display repr(s) diff --git a/Lib/idlelib/help.html b/Lib/idlelib/help.html index b654ab7f2c5f..7e743e6d8137 100644 --- a/Lib/idlelib/help.html +++ b/Lib/idlelib/help.html @@ -6,7 +6,7 @@ <head> <meta http-equiv="X-UA-Compatible" content="IE=Edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> - <title>IDLE — Python 3.8.0a1 documentation</title> + <title>IDLE — Python 3.8.0a3 documentation</title> <link rel="stylesheet" href="../_static/pydoctheme.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> @@ -19,7 +19,7 @@ <script type="text/javascript" src="../_static/sidebar.js"></script> <link rel="search" type="application/opensearchdescription+xml" - title="Search within Python 3.8.0a1 documentation" + title="Search within Python 3.8.0a3 documentation" href="../_static/opensearch.xml"/> <link rel="author" title="About these documents" href="../about.html" /> <link rel="index" title="Index" href="../genindex.html" /> @@ -72,7 +72,7 @@ <h3>Navigation</h3> <li> - <a href="../index.html">3.8.0a1 Documentation</a> » + <a href="../index.html">3.8.0a3 Documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> @@ -372,8 +372,8 @@ <h3>Help menu (Shell and Editor)<a class="headerlink" href="#help-menu-shell-and <dt>Go to file/line</dt> <dd>Same as in Debug menu.</dd> </dl> -The Shell window also has an output squeezing facility explained in the -the Python Shell window subsection below. +The Shell window also has an output squeezing facility explained in the Python +Shell window subsection below. <dl class="docutils"> <dt>Squeeze</dt> <dd>If the cursor is over an output line, squeeze all the output between @@ -673,24 +673,22 @@ <h3>User output in Shell<a class="headerlink" href="#user-output-in-shell" title In contrast, some system text windows only keep the last n lines of output. A Windows console, for instance, keeps a user-settable 1 to 9999 lines, with 300 the default. -A Tk Text widget, and hence IDLE’s Shell, displays characters (codepoints) -in the the BMP (Basic Multilingual Plane) subset of Unicode. -Which characters are displayed with a proper glyph and which with a -replacement box depends on the operating system and installed fonts. -Tab characters cause the following text to begin after -the next tab stop. (They occur every 8 ‘characters’). -Newline characters cause following text to appear on a new line. -Other control characters are ignored or displayed as a space, box, or -something else, depending on the operating system and font. -(Moving the text cursor through such output with arrow keys may exhibit -some surprising spacing behavior.) -<div class="highlight-none notranslate"><div class="highlight"><pre>>>> s = 'a\tb\a<\x02><\r>\bc\nd' ->>> len(s) -14 ->>> s # Display repr(s) -'a\tb\x07<\x02><\r>\x08c\nd' ->>> print(s, end='') # Display s as is. -# Result varies by OS and font. Try it. +A Tk Text widget, and hence IDLE’s Shell, displays characters (codepoints) in +the BMP (Basic Multilingual Plane) subset of Unicode. Which characters are +displayed with a proper glyph and which with a replacement box depends on the +operating system and installed fonts. Tab characters cause the following text +to begin after the next tab stop. (They occur every 8 ‘characters’). Newline +characters cause following text to appear on a new line. Other control +characters are ignored or displayed as a space, box, or something else, +depending on the operating system and font. (Moving the text cursor through +such output with arrow keys may exhibit some surprising spacing behavior.) +<div class="highlight-python3 notranslate"><div class="highlight"><pre>>>> s = 'a\tb\a<\x02><\r>\bc\nd' # Enter 22 chars. +>>> len(s) +14 +>>> s # Display repr(s) +'a\tb\x07<\x02><\r>\x08c\nd' +>>> print(s, end='') # Display s as is. +# Result varies by OS and font. Try it. </pre></div> </div> The <code class="docutils literal notranslate">repr</code> function is used for interactive echo of expression @@ -912,7 +910,7 @@ <h3>Navigation</h3> <li> - <a href="../index.html">3.8.0a1 Documentation</a> » + <a href="../index.html">3.8.0a3 Documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> @@ -943,7 +941,7 @@ <h3>Navigation</h3> - Last updated on Feb 23, 2019. + Last updated on Apr 26, 2019. <a href="https://docs.python.org/3/bugs.html">Found a bug</a>?

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Syntax highlight IDLE html doc code example. (GH-12981)
by Terry Jan Reedy April 26, 2019

April 26, 2019

https://github.com/python/cpython/commit/55d035113dfb1bd90495c8571758f504ae… commit: 55d035113dfb1bd90495c8571758f504ae8d4802 branch: master author: Terry Jan Reedy <tjreedy(a)udel.edu> committer: GitHub <noreply(a)github.com> date: 2019-04-26T23:22:36-04:00 summary: Syntax highlight IDLE html doc code example. (GH-12981) The new markup is currently ignored by IDLE's tk doc display. files: M Doc/library/idle.rst M Lib/idlelib/help.html diff --git a/Doc/library/idle.rst b/Doc/library/idle.rst index 11e137bf1092..ad4491128326 100644 --- a/Doc/library/idle.rst +++ b/Doc/library/idle.rst @@ -724,11 +724,9 @@ to begin after the next tab stop. (They occur every 8 'characters'). Newline characters cause following text to appear on a new line. Other control characters are ignored or displayed as a space, box, or something else, depending on the operating system and font. (Moving the text cursor through -such output with arrow keys may exhibit some surprising spacing behavior.) +such output with arrow keys may exhibit some surprising spacing behavior.) :: -.. code-block:: none - - >>> s = 'a\tb\a<\x02><\r>\bc\nd' + >>> s = 'a\tb\a<\x02><\r>\bc\nd' # Enter 22 chars. >>> len(s) 14 >>> s # Display repr(s) diff --git a/Lib/idlelib/help.html b/Lib/idlelib/help.html index b654ab7f2c5f..7e743e6d8137 100644 --- a/Lib/idlelib/help.html +++ b/Lib/idlelib/help.html @@ -6,7 +6,7 @@ <head> <meta http-equiv="X-UA-Compatible" content="IE=Edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> - <title>IDLE — Python 3.8.0a1 documentation</title> + <title>IDLE — Python 3.8.0a3 documentation</title> <link rel="stylesheet" href="../_static/pydoctheme.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> @@ -19,7 +19,7 @@ <script type="text/javascript" src="../_static/sidebar.js"></script> <link rel="search" type="application/opensearchdescription+xml" - title="Search within Python 3.8.0a1 documentation" + title="Search within Python 3.8.0a3 documentation" href="../_static/opensearch.xml"/> <link rel="author" title="About these documents" href="../about.html" /> <link rel="index" title="Index" href="../genindex.html" /> @@ -72,7 +72,7 @@ <h3>Navigation</h3> <li> - <a href="../index.html">3.8.0a1 Documentation</a> » + <a href="../index.html">3.8.0a3 Documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> @@ -372,8 +372,8 @@ <h3>Help menu (Shell and Editor)<a class="headerlink" href="#help-menu-shell-and <dt>Go to file/line</dt> <dd>Same as in Debug menu.</dd> </dl> -The Shell window also has an output squeezing facility explained in the -the Python Shell window subsection below. +The Shell window also has an output squeezing facility explained in the Python +Shell window subsection below. <dl class="docutils"> <dt>Squeeze</dt> <dd>If the cursor is over an output line, squeeze all the output between @@ -673,24 +673,22 @@ <h3>User output in Shell<a class="headerlink" href="#user-output-in-shell" title In contrast, some system text windows only keep the last n lines of output. A Windows console, for instance, keeps a user-settable 1 to 9999 lines, with 300 the default. -A Tk Text widget, and hence IDLE’s Shell, displays characters (codepoints) -in the the BMP (Basic Multilingual Plane) subset of Unicode. -Which characters are displayed with a proper glyph and which with a -replacement box depends on the operating system and installed fonts. -Tab characters cause the following text to begin after -the next tab stop. (They occur every 8 ‘characters’). -Newline characters cause following text to appear on a new line. -Other control characters are ignored or displayed as a space, box, or -something else, depending on the operating system and font. -(Moving the text cursor through such output with arrow keys may exhibit -some surprising spacing behavior.) -<div class="highlight-none notranslate"><div class="highlight"><pre>>>> s = 'a\tb\a<\x02><\r>\bc\nd' ->>> len(s) -14 ->>> s # Display repr(s) -'a\tb\x07<\x02><\r>\x08c\nd' ->>> print(s, end='') # Display s as is. -# Result varies by OS and font. Try it. +A Tk Text widget, and hence IDLE’s Shell, displays characters (codepoints) in +the BMP (Basic Multilingual Plane) subset of Unicode. Which characters are +displayed with a proper glyph and which with a replacement box depends on the +operating system and installed fonts. Tab characters cause the following text +to begin after the next tab stop. (They occur every 8 ‘characters’). Newline +characters cause following text to appear on a new line. Other control +characters are ignored or displayed as a space, box, or something else, +depending on the operating system and font. (Moving the text cursor through +such output with arrow keys may exhibit some surprising spacing behavior.) +<div class="highlight-python3 notranslate"><div class="highlight"><pre>>>> s = 'a\tb\a<\x02><\r>\bc\nd' # Enter 22 chars. +>>> len(s) +14 +>>> s # Display repr(s) +'a\tb\x07<\x02><\r>\x08c\nd' +>>> print(s, end='') # Display s as is. +# Result varies by OS and font. Try it. </pre></div> </div> The <code class="docutils literal notranslate">repr</code> function is used for interactive echo of expression @@ -912,7 +910,7 @@ <h3>Navigation</h3> <li> - <a href="../index.html">3.8.0a1 Documentation</a> » + <a href="../index.html">3.8.0a3 Documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> @@ -943,7 +941,7 @@ <h3>Navigation</h3> - Last updated on Feb 23, 2019. + Last updated on Apr 26, 2019. <a href="https://docs.python.org/3/bugs.html">Found a bug</a>?

1 0

[3.7] bpo-36679: Rename duplicate test_class_getitem function (GH-12892) (GH-12978)
by Ivan Levkivskyi April 26, 2019

April 26, 2019

https://github.com/python/cpython/commit/d111490a1f63db2dcc3714157726dc6a5c… commit: d111490a1f63db2dcc3714157726dc6a5c0fa1cd branch: 3.7 author: Ivan Levkivskyi <levkivskyi(a)gmail.com> committer: GitHub <noreply(a)github.com> date: 2019-04-26T18:21:45-07:00 summary: [3.7] bpo-36679: Rename duplicate test_class_getitem function (GH-12892) (GH-12978) (cherry picked from commit d437012cdd4a38b5b3d05f139d5f0a28196e4769) Co-authored-by: Windson yang <wiwindson(a)outlook.com> files: M Lib/test/test_genericclass.py diff --git a/Lib/test/test_genericclass.py b/Lib/test/test_genericclass.py index 37a87bc6815e..27420d4f2bad 100644 --- a/Lib/test/test_genericclass.py +++ b/Lib/test/test_genericclass.py @@ -158,7 +158,7 @@ def __class_getitem__(*args, **kwargs): self.assertEqual(getitem_args[0], (C, (int, str))) self.assertEqual(getitem_args[1], {}) - def test_class_getitem(self): + def test_class_getitem_format(self): class C: def __class_getitem__(cls, item): return f'C[{item.__name__}]'

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Zdravstvuyte! Vas interesuyut kliyentskiye bazy dannykh?
by Python-checkins＠python.org April 26, 2019

April 26, 2019

Zdravstvuyte! Vas interesuyut kliyentskiye bazy dannykh?

1 0

bpo-36722: Don't define ALT_SOABI for Py_TRACE_REFS build (GH-12973)
by Victor Stinner April 26, 2019

April 26, 2019

https://github.com/python/cpython/commit/6d13e5b35ba7165db3f38fccdd6e1e5283… commit: 6d13e5b35ba7165db3f38fccdd6e1e5283f96a74 branch: master author: Victor Stinner <vstinner(a)redhat.com> committer: GitHub <noreply(a)github.com> date: 2019-04-26T18:56:19+02:00 summary: bpo-36722: Don't define ALT_SOABI for Py_TRACE_REFS build (GH-12973) Py_TRACE_REFS ABI is incompatible with release and debug (Py_DEBUG) ABI. files: M Include/pyport.h M configure M configure.ac diff --git a/Include/pyport.h b/Include/pyport.h index acbae5bafeb5..568ab8f757d2 100644 --- a/Include/pyport.h +++ b/Include/pyport.h @@ -797,9 +797,9 @@ extern _invalid_parameter_handler _Py_silent_invalid_parameter_handler; #endif /* Py_BUILD_CORE */ #ifdef __ANDROID__ -/* The Android langinfo.h header is not used. */ -#undef HAVE_LANGINFO_H -#undef CODESET + /* The Android langinfo.h header is not used. */ +# undef HAVE_LANGINFO_H +# undef CODESET #endif /* Maximum value of the Windows DWORD type */ @@ -810,7 +810,13 @@ extern _invalid_parameter_handler _Py_silent_invalid_parameter_handler; * for compatibility. */ #ifndef WITH_THREAD -#define WITH_THREAD +# define WITH_THREAD +#endif + +/* Check that ALT_SOABI is consistent with Py_TRACE_REFS: + ./configure --with-trace-refs should must be used to define Py_TRACE_REFS */ +#if defined(ALT_SOABI) && defined(Py_TRACE_REFS) +# error "Py_TRACE_REFS ABI is not compatible with release and debug ABI" #endif #endif /* Py_PYPORT_H */ diff --git a/configure b/configure index b2775cf04000..7f26fab81fe5 100755 --- a/configure +++ b/configure @@ -15128,7 +15128,8 @@ SOABI='cpython-'`echo $VERSION | tr -d .`${ABIFLAGS}${PLATFORM_TRIPLET:+-$PLATFO { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SOABI" >&5 $as_echo "$SOABI" >&6; } -if test "$Py_DEBUG" = 'true'; then +# Release and debug (Py_DEBUG) ABI are compatible, but not Py_TRACE_REFS ABI +if test "$Py_DEBUG" = 'true' -a "$with_trace_refs" != "yes"; then # Similar to SOABI but remove "d" flag from ABIFLAGS ALT_SOABI='cpython-'`echo $VERSION | tr -d .``echo $ABIFLAGS | tr -d d`${PLATFORM_TRIPLET:+-$PLATFORM_TRIPLET} diff --git a/configure.ac b/configure.ac index 312758788e4d..157e9bf40679 100644 --- a/configure.ac +++ b/configure.ac @@ -4627,7 +4627,8 @@ AC_MSG_CHECKING(SOABI) SOABI='cpython-'`echo $VERSION | tr -d .`${ABIFLAGS}${PLATFORM_TRIPLET:+-$PLATFORM_TRIPLET} AC_MSG_RESULT($SOABI) -if test "$Py_DEBUG" = 'true'; then +# Release and debug (Py_DEBUG) ABI are compatible, but not Py_TRACE_REFS ABI +if test "$Py_DEBUG" = 'true' -a "$with_trace_refs" != "yes"; then # Similar to SOABI but remove "d" flag from ABIFLAGS AC_SUBST(ALT_SOABI) ALT_SOABI='cpython-'`echo $VERSION | tr -d .``echo $ABIFLAGS | tr -d d`${PLATFORM_TRIPLET:+-$PLATFORM_TRIPLET}

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bpo-31525: Increase minimum sqlite version number check (GH-12923)
by Miss Islington (bot) April 26, 2019

April 26, 2019

https://github.com/python/cpython/commit/967f14ec2aff908b7f9e84e93aa60f2a34… commit: 967f14ec2aff908b7f9e84e93aa60f2a34e2ca96 branch: 3.7 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: GitHub <noreply(a)github.com> date: 2019-04-26T09:15:31-07:00 summary: bpo-31525: Increase minimum sqlite version number check (GH-12923) (cherry picked from commit ad0daf5b374dc43540d4ffcf32ca30e5c5147b90) Co-authored-by: Charles Pigott <charlespigott(a)googlemail.com> files: M setup.py diff --git a/setup.py b/setup.py index b4357e39cf19..bcc4bfa89d15 100644 --- a/setup.py +++ b/setup.py @@ -1130,7 +1130,7 @@ class db_found(Exception): pass sqlite_setup_debug = False # verbose debug prints from this script? # We hunt for #define SQLITE_VERSION "n.n.n" - # We need to find >= sqlite version 3.0.8 + # We need to find >= sqlite version 3.3.9, for sqlite3_prepare_v2 sqlite_incdir = sqlite_libdir = None sqlite_inc_paths = [ '/usr/include', '/usr/include/sqlite', @@ -1141,7 +1141,7 @@ class db_found(Exception): pass ] if cross_compiling: sqlite_inc_paths = [] - MIN_SQLITE_VERSION_NUMBER = (3, 0, 8) + MIN_SQLITE_VERSION_NUMBER = (3, 3, 9) MIN_SQLITE_VERSION = ".".join([str(x) for x in MIN_SQLITE_VERSION_NUMBER]) @@ -1175,7 +1175,7 @@ class db_found(Exception): pass break else: if sqlite_setup_debug: - print("%s: version %d is too old, need >= %s"%(d, + print("%s: version %s is too old, need >= %s"%(d, sqlite_version, MIN_SQLITE_VERSION)) elif sqlite_setup_debug: print("sqlite: %s had no SQLITE_VERSION"%(f,))

1 0

bpo-36722: Add What's New entry for debug ABI (GH-12957)
by Victor Stinner April 26, 2019

April 26, 2019

https://github.com/python/cpython/commit/404606974051c5ec093312aa57cf1bcbc5… commit: 404606974051c5ec093312aa57cf1bcbc52e1d85 branch: master author: Victor Stinner <vstinner(a)redhat.com> committer: GitHub <noreply(a)github.com> date: 2019-04-26T17:56:44+02:00 summary: bpo-36722: Add What's New entry for debug ABI (GH-12957) files: M Doc/whatsnew/3.8.rst diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst index 4cb9c4f0f20e..444625040afb 100644 --- a/Doc/whatsnew/3.8.rst +++ b/Doc/whatsnew/3.8.rst @@ -98,6 +98,30 @@ subdirectories). (Contributed by Carl Meyer in :issue:`33499`.) +Debug build uses the same ABI as release build +----------------------------------------------- + +Python now uses the same ABI when built in release and in debug mode. On Unix, +when Python is build in debug mode, it is now possible to load C extensions +built in release mode and C extensions built using the stable ABI. + +Release build and debug build are now ABI compatible: the ``Py_DEBUG`` define +no longer implies the ``Py_TRACE_REFS`` define which introduces the only ABI +incompatibility. A new ``./configure --with-trace-refs`` build option is now +required to get ``Py_TRACE_REFS`` define which adds :func:`sys.getobjects` +function and :envvar:`PYTHONDUMPREFS` environment variable. +(Contributed by Victor Stinner in :issue:`36465`.) + +On Unix, C extensions are no longer linked to libpython. It is now possible to +load a C extension built using a shared library Python +with a statically linked Python. +(Contributed by Victor Stinner in :issue:`21536`.) + +On Unix, when Python is built in debug mode, import now also looks for C +extensions compiled in release mode and for C extensions compiled with the +stable ABI. +(Contributed by Victor Stinner in :issue:`36722`.) + Other Language Changes ======================

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bpo-21536: Revert Makefile change on python-config (GH-12971)
by Victor Stinner April 26, 2019

April 26, 2019

https://github.com/python/cpython/commit/01f073f5e43329547471c846c37e231572… commit: 01f073f5e43329547471c846c37e23157255e30a branch: master author: Victor Stinner <vstinner(a)redhat.com> committer: GitHub <noreply(a)github.com> date: 2019-04-26T17:55:17+02:00 summary: bpo-21536: Revert Makefile change on python-config (GH-12971) Misc/python-config.sh lives in the build directory, not in the source directory. files: M Makefile.pre.in diff --git a/Makefile.pre.in b/Makefile.pre.in index d06ad0bc939c..89479ee7f1a3 100644 --- a/Makefile.pre.in +++ b/Makefile.pre.in @@ -1460,7 +1460,9 @@ libinstall: build_all $(srcdir)/Modules/xxmodule.c -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \ $(PYTHON_FOR_BUILD) -m lib2to3.pgen2.driver $(DESTDIR)$(LIBDEST)/lib2to3/PatternGrammar.txt -python-config: $(srcdir)/Misc/python-config.in $(srcdir)/Misc/python-config.sh +# bpo-21536: Misc/python-config.sh is generated in the build directory +# from $(srcdir)Misc/python-config.sh.in. +python-config: $(srcdir)/Misc/python-config.in Misc/python-config.sh @ # Substitution happens here, as the completely-expanded BINDIR @ # is not available in configure sed -e "s,@EXENAME@,$(BINDIR)/python$(LDVERSION)$(EXE)," < $(srcdir)/Misc/python-config.in >python-config.py

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bpo-31525: Increase minimum sqlite version number check (GH-12923)
by Berker Peksag April 26, 2019

April 26, 2019

https://github.com/python/cpython/commit/ad0daf5b374dc43540d4ffcf32ca30e5c5… commit: ad0daf5b374dc43540d4ffcf32ca30e5c5147b90 branch: master author: Charles Pigott <charlespigott(a)googlemail.com> committer: Berker Peksag <berker.peksag(a)gmail.com> date: 2019-04-26T18:38:12+03:00 summary: bpo-31525: Increase minimum sqlite version number check (GH-12923) files: M setup.py diff --git a/setup.py b/setup.py index 58c16e8ba49d..96a49b4e353c 100644 --- a/setup.py +++ b/setup.py @@ -1299,7 +1299,7 @@ def detect_sqlite(self): sqlite_setup_debug = False # verbose debug prints from this script? # We hunt for #define SQLITE_VERSION "n.n.n" - # We need to find >= sqlite version 3.0.8 + # We need to find >= sqlite version 3.3.9, for sqlite3_prepare_v2 sqlite_incdir = sqlite_libdir = None sqlite_inc_paths = [ '/usr/include', '/usr/include/sqlite', @@ -1310,7 +1310,7 @@ def detect_sqlite(self): ] if CROSS_COMPILING: sqlite_inc_paths = [] - MIN_SQLITE_VERSION_NUMBER = (3, 0, 8) + MIN_SQLITE_VERSION_NUMBER = (3, 3, 9) MIN_SQLITE_VERSION = ".".join([str(x) for x in MIN_SQLITE_VERSION_NUMBER]) @@ -1344,7 +1344,7 @@ def detect_sqlite(self): break else: if sqlite_setup_debug: - print("%s: version %d is too old, need >= %s"%(d, + print("%s: version %s is too old, need >= %s"%(d, sqlite_version, MIN_SQLITE_VERSION)) elif sqlite_setup_debug: print("sqlite: %s had no SQLITE_VERSION"%(f,))

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