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python 3.4, 3.5, 3.6: Don't use ldconfig and speed up uuid load, fixes #28349

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These patches had already been merged for 3.5 and 3.6 but not yet for
3.4. However, they did contain a mistake as explained in #28349.
This commit is contained in:
Frederik Rietdijk 2017-08-28 09:42:59 +02:00
parent aa1e535b1b
commit a7ddca6e3d
4 changed files with 171 additions and 20 deletions
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4
pkgs/development/interpreters/python/cpython/3.4/default.nix
View File

@ -64,6 +64,10 @@ in stdenv.mkDerivation {
substituteInPlace configure --replace '-Wl,-stack_size,1000000' ' ' substituteInPlace configure --replace '-Wl,-stack_size,1000000' ' '
''; '';
patches = [
./no-ldconfig.patch
];
postPatch = '' postPatch = ''
# Determinism # Determinism
substituteInPlace "Lib/py_compile.py" --replace "source_stats['mtime']" "(1 if 'DETERMINISTIC_BUILD' in os.environ else source_stats['mtime'])" substituteInPlace "Lib/py_compile.py" --replace "source_stats['mtime']" "(1 if 'DETERMINISTIC_BUILD' in os.environ else source_stats['mtime'])"

147
pkgs/development/interpreters/python/cpython/3.4/no-ldconfig.patch Normal file
View File

@ -0,0 +1,147 @@
From 81bd99ad9058feb1d0361bc8862e8567c21a6142 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Mon, 28 Aug 2017 09:24:06 +0200
Subject: [PATCH] Don't use ldconfig and speed up uuid load
---
Lib/ctypes/util.py | 52 ++--------------------------------------------------
Lib/uuid.py | 50 ++------------------------------------------------
2 files changed, 4 insertions(+), 98 deletions(-)
diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
index 595113bffd..780cd5d21b 100644
--- a/Lib/ctypes/util.py
+++ b/Lib/ctypes/util.py
@@ -88,28 +88,7 @@ elif os.name == "posix":
import re, tempfile
def _findLib_gcc(name):
- expr = r'[^\(\)\s]*lib%s\.[^\(\)\s]*' % re.escape(name)
- fdout, ccout = tempfile.mkstemp()
- os.close(fdout)
- cmd = 'if type gcc >/dev/null 2>&1; then CC=gcc; elif type cc >/dev/null 2>&1; then CC=cc;else exit 10; fi;' \
- 'LANG=C LC_ALL=C $CC -Wl,-t -o ' + ccout + ' 2>&1 -l' + name
- try:
- f = os.popen(cmd)
- try:
- trace = f.read()
- finally:
- rv = f.close()
- finally:
- try:
- os.unlink(ccout)
- except FileNotFoundError:
- pass
- if rv == 10:
- raise OSError('gcc or cc command not found')
- res = re.search(expr, trace)
- if not res:
- return None
- return res.group(0)
+ return None
if sys.platform == "sunos5":
@@ -200,34 +179,7 @@ elif os.name == "posix":
else:
def _findSoname_ldconfig(name):
- import struct
- if struct.calcsize('l') == 4:
- machine = os.uname().machine + '-32'
- else:
- machine = os.uname().machine + '-64'
- mach_map = {
- 'x86_64-64': 'libc6,x86-64',
- 'ppc64-64': 'libc6,64bit',
- 'sparc64-64': 'libc6,64bit',
- 's390x-64': 'libc6,64bit',
- 'ia64-64': 'libc6,IA-64',
- }
- abi_type = mach_map.get(machine, 'libc6')
-
- # XXX assuming GLIBC's ldconfig (with option -p)
- regex = os.fsencode(
- '\s+(lib%s\.[^\s]+)\s+\(%s' % (re.escape(name), abi_type))
- try:
- with subprocess.Popen(['/sbin/ldconfig', '-p'],
- stdin=subprocess.DEVNULL,
- stderr=subprocess.DEVNULL,
- stdout=subprocess.PIPE,
- env={'LC_ALL': 'C', 'LANG': 'C'}) as p:
- res = re.search(regex, p.stdout.read())
- if res:
- return os.fsdecode(res.group(1))
- except OSError:
- pass
+ return None
def find_library(name):
return _findSoname_ldconfig(name) or _get_soname(_findLib_gcc(name))
diff --git a/Lib/uuid.py b/Lib/uuid.py
index 1061bffc43..846f5819f5 100644
--- a/Lib/uuid.py
+++ b/Lib/uuid.py
@@ -451,57 +451,11 @@ def _netbios_getnode():
return ((bytes[0]<<40) + (bytes[1]<<32) + (bytes[2]<<24) +
(bytes[3]<<16) + (bytes[4]<<8) + bytes[5])
-# Thanks to Thomas Heller for ctypes and for his help with its use here.
-# If ctypes is available, use it to find system routines for UUID generation.
-# XXX This makes the module non-thread-safe!
_uuid_generate_random = _uuid_generate_time = _UuidCreate = None
-try:
- import ctypes, ctypes.util
- # The uuid_generate_* routines are provided by libuuid on at least
- # Linux and FreeBSD, and provided by libc on Mac OS X.
- for libname in ['uuid', 'c']:
- try:
- lib = ctypes.CDLL(ctypes.util.find_library(libname))
- except:
- continue
- if hasattr(lib, 'uuid_generate_random'):
- _uuid_generate_random = lib.uuid_generate_random
- if hasattr(lib, 'uuid_generate_time'):
- _uuid_generate_time = lib.uuid_generate_time
- if _uuid_generate_random is not None:
- break # found everything we were looking for
-
- # The uuid_generate_* functions are broken on MacOS X 10.5, as noted
- # in issue #8621 the function generates the same sequence of values
- # in the parent process and all children created using fork (unless
- # those children use exec as well).
- #
- # Assume that the uuid_generate functions are broken from 10.5 onward,
- # the test can be adjusted when a later version is fixed.
- import sys
- if sys.platform == 'darwin':
- import os
- if int(os.uname().release.split('.')[0]) >= 9:
- _uuid_generate_random = _uuid_generate_time = None
-
- # On Windows prior to 2000, UuidCreate gives a UUID containing the
- # hardware address. On Windows 2000 and later, UuidCreate makes a
- # random UUID and UuidCreateSequential gives a UUID containing the
- # hardware address. These routines are provided by the RPC runtime.
- # NOTE: at least on Tim's WinXP Pro SP2 desktop box, while the last
- # 6 bytes returned by UuidCreateSequential are fixed, they don't appear
- # to bear any relationship to the MAC address of any network device
- # on the box.
- try:
- lib = ctypes.windll.rpcrt4
- except:
- lib = None
- _UuidCreate = getattr(lib, 'UuidCreateSequential',
- getattr(lib, 'UuidCreate', None))
-except:
- pass
+_uuid_generate_time = _UuidCreate = None
+
def _unixdll_getnode():
"""Get the hardware address on Unix using ctypes."""
--
2.14.1

20
pkgs/development/interpreters/python/cpython/3.5/no-ldconfig.patch
View File

@ -1,12 +1,12 @@
From f0ed87f4066296b7aa3c095d04672c138506fa45 Mon Sep 17 00:00:00 2001 From 590c46bb04f79ab611b2f8fd682dd7e43a01f268 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl> From: Frederik Rietdijk <fridh@fridh.nl>
Date: Sat, 29 Jul 2017 20:33:56 +0200 Date: Mon, 28 Aug 2017 09:24:06 +0200
Subject: [PATCH] Don't use ldconfig and speed up uuid load Subject: [PATCH] Don't use ldconfig and speed up uuid load
--- ---
Lib/ctypes/util.py | 70 ++---------------------------------------------------- Lib/ctypes/util.py | 70 ++----------------------------------------------------
Lib/uuid.py | 52 ---------------------------------------- Lib/uuid.py | 49 --------------------------------------
2 files changed, 2 insertions(+), 120 deletions(-) 2 files changed, 2 insertions(+), 117 deletions(-)
diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
index 7684eab81d..e9957d7951 100644 index 7684eab81d..e9957d7951 100644
@ -97,22 +97,22 @@ index 7684eab81d..e9957d7951 100644
def find_library(name): def find_library(name):
return _findSoname_ldconfig(name) or _get_soname(_findLib_gcc(name)) return _findSoname_ldconfig(name) or _get_soname(_findLib_gcc(name))
diff --git a/Lib/uuid.py b/Lib/uuid.py diff --git a/Lib/uuid.py b/Lib/uuid.py
index e96e7e034c..a099ab4b4a 100644 index e96e7e034c..31160ace95 100644
--- a/Lib/uuid.py --- a/Lib/uuid.py
+++ b/Lib/uuid.py +++ b/Lib/uuid.py
@@ -455,58 +455,6 @@ def _netbios_getnode(): @@ -455,58 +455,9 @@ def _netbios_getnode():
continue continue
return int.from_bytes(bytes, 'big') return int.from_bytes(bytes, 'big')
-# Thanks to Thomas Heller for ctypes and for his help with its use here. -# Thanks to Thomas Heller for ctypes and for his help with its use here.
-
-# If ctypes is available, use it to find system routines for UUID generation. -# If ctypes is available, use it to find system routines for UUID generation.
-# XXX This makes the module non-thread-safe! -# XXX This makes the module non-thread-safe!
-_uuid_generate_time = _UuidCreate = None _uuid_generate_time = _UuidCreate = None
-try: -try:
- import ctypes, ctypes.util - import ctypes, ctypes.util
- import sys - import sys
-
- # The uuid_generate_* routines are provided by libuuid on at least - # The uuid_generate_* routines are provided by libuuid on at least
- # Linux and FreeBSD, and provided by libc on Mac OS X. - # Linux and FreeBSD, and provided by libc on Mac OS X.
- _libnames = ['uuid'] - _libnames = ['uuid']
@ -160,5 +160,5 @@ index e96e7e034c..a099ab4b4a 100644
def _unixdll_getnode(): def _unixdll_getnode():
"""Get the hardware address on Unix using ctypes.""" """Get the hardware address on Unix using ctypes."""
-- --
2.13.3 2.14.1

20
pkgs/development/interpreters/python/cpython/3.6/no-ldconfig.patch
View File

@ -1,12 +1,12 @@
From a831df344ec1c883a0ef04d8cc8f5c53a942f6de Mon Sep 17 00:00:00 2001 From 105621b99cc30615c79b5aa3d12d6732e14b0d59 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl> From: Frederik Rietdijk <fridh@fridh.nl>
Date: Sat, 29 Jul 2017 20:17:40 +0200 Date: Mon, 28 Aug 2017 09:24:06 +0200
Subject: [PATCH] Don't use ldconfig and speed up uuid load Subject: [PATCH] Don't use ldconfig and speed up uuid load
--- ---
Lib/ctypes/util.py | 70 ++---------------------------------------------------- Lib/ctypes/util.py | 70 ++----------------------------------------------------
Lib/uuid.py | 51 --------------------------------------- Lib/uuid.py | 48 -------------------------------------
2 files changed, 2 insertions(+), 119 deletions(-) 2 files changed, 2 insertions(+), 116 deletions(-)
diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
index 339ae8aa8a..2944985c30 100644 index 339ae8aa8a..2944985c30 100644
@ -97,22 +97,22 @@ index 339ae8aa8a..2944985c30 100644
def _findLib_ld(name): def _findLib_ld(name):
# See issue #9998 for why this is needed # See issue #9998 for why this is needed
diff --git a/Lib/uuid.py b/Lib/uuid.py diff --git a/Lib/uuid.py b/Lib/uuid.py
index 200c800b34..a099ab4b4a 100644 index 200c800b34..31160ace95 100644
--- a/Lib/uuid.py --- a/Lib/uuid.py
+++ b/Lib/uuid.py +++ b/Lib/uuid.py
@@ -455,57 +455,6 @@ def _netbios_getnode(): @@ -455,57 +455,9 @@ def _netbios_getnode():
continue continue
return int.from_bytes(bytes, 'big') return int.from_bytes(bytes, 'big')
-# Thanks to Thomas Heller for ctypes and for his help with its use here. -# Thanks to Thomas Heller for ctypes and for his help with its use here.
-
-# If ctypes is available, use it to find system routines for UUID generation. -# If ctypes is available, use it to find system routines for UUID generation.
-# XXX This makes the module non-thread-safe! -# XXX This makes the module non-thread-safe!
-_uuid_generate_time = _UuidCreate = None _uuid_generate_time = _UuidCreate = None
-try: -try:
- import ctypes, ctypes.util - import ctypes, ctypes.util
- import sys - import sys
-
- # The uuid_generate_* routines are provided by libuuid on at least - # The uuid_generate_* routines are provided by libuuid on at least
- # Linux and FreeBSD, and provided by libc on Mac OS X. - # Linux and FreeBSD, and provided by libc on Mac OS X.
- _libnames = ['uuid'] - _libnames = ['uuid']
@ -159,5 +159,5 @@ index 200c800b34..a099ab4b4a 100644
def _unixdll_getnode(): def _unixdll_getnode():
"""Get the hardware address on Unix using ctypes.""" """Get the hardware address on Unix using ctypes."""
-- --
2.13.3 2.14.1