package/python-augeas: new package
We backport an upstream patch that fixes the loading of the native library by the FFI logic. Without this, "import augeas" doesn't work as it goes into the ctypes.utils.find_library() logic that tries to use a compiler on the target to find the augeas native library. Based on initial work from Nicolas Carrier <nicolas.carrier@orolia.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Thomas Petazzoni
Yann E. MORIN
parent
150038166f
commit
c2767180bd
@ -1986,6 +1986,7 @@ F: configs/galileo_defconfig
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N: Nicolas Carrier <nicolas.carrier@orolia.com>
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F: package/php-xdebug/
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F: package/python-augeas/
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N: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
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F: package/libgit2/
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@ -2672,6 +2673,7 @@ F: package/pkg-autotools.mk
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F: package/pkg-generic.mk
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F: package/python/
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F: package/python3/
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F: package/python-augeas/
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F: package/python-mad/
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F: package/python-serial/
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F: package/qextserialport/
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@ -908,6 +908,7 @@ menu "External python modules"
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source "package/python-async-lru/Config.in"
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source "package/python-async-timeout/Config.in"
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source "package/python-attrs/Config.in"
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source "package/python-augeas/Config.in"
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source "package/python-autobahn/Config.in"
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source "package/python-automat/Config.in"
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source "package/python-avro/Config.in"
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@ -0,0 +1,101 @@
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From 9de73fefbe83c74840a93c039258845c49271b9b Mon Sep 17 00:00:00 2001
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From: Jeffery To <jeffery.to@gmail.com>
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Date: Sun, 8 Nov 2020 21:51:09 +0800
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Subject: [PATCH] Use CFFI in out-of-line API mode (#49)
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Currently, ffi.py is called during setup to generate augeas.py; this
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file would normally be used for out-of-line ABI mode. ffi.py is also
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imported at run-time, instead of the generated augeas.py, and used in
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in-line ABI mode.
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This changes usage of CFFI to out-of-line API mode (CFFI's "main mode of
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usage"): ffi.py is called during setup to generate _augeas.abi3.so (a C
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extension module); this generated module is imported at run-time.
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With this change, the headers/development files for augeas (i.e.
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libaugeas-dev on Debian, augeas-devel on Fedora, etc.) and the C
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compiler are required for build/setup. (These were not necessary
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previously.)
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Closes https://github.com/hercules-team/python-augeas/issues/48.
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Upstream: commit 712c2028568df7760bc98d95577e35709078bfea
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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---
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augeas/__init__.py | 2 +-
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augeas/ffi.py | 27 ++++++++++++++++++++++-----
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setup.py | 1 +
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3 files changed, 24 insertions(+), 6 deletions(-)
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diff --git a/augeas/__init__.py b/augeas/__init__.py
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index 9bd97bf..1c0f580 100644
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--- a/augeas/__init__.py
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+++ b/augeas/__init__.py
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@@ -32,7 +32,7 @@ format and the transformation into a tree.
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from sys import version_info as _pyver
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-from augeas.ffi import ffi, lib
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+from _augeas import ffi, lib
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__author__ = "Nathaniel McCallum <nathaniel@natemccallum.com>"
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__credits__ = """Jeff Schroeder <jeffschroeder@computer.org>
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diff --git a/augeas/ffi.py b/augeas/ffi.py
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index a24daf5..1931764 100644
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--- a/augeas/ffi.py
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+++ b/augeas/ffi.py
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@@ -1,9 +1,28 @@
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+import os
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+import subprocess
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+
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from cffi import FFI
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+def get_include_dirs():
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+ XML2_CONFIG = os.environ.get('XML2_CONFIG', 'xml2-config')
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+ PKG_CONFIG = os.environ.get('PKG_CONFIG', 'pkg-config')
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+ try:
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+ stdout = subprocess.check_output([XML2_CONFIG, '--cflags'])
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+ except (OSError, subprocess.CalledProcessError):
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+ try:
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+ stdout = subprocess.check_output([PKG_CONFIG, '--cflags', 'libxml-2.0'])
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+ except (OSError, subprocess.CalledProcessError):
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+ stdout = b''
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+ cflags = stdout.decode('utf-8').split()
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+ return [cflag[2:] for cflag in cflags if cflag.startswith('-I')]
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+
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ffi = FFI()
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-ffi.set_source("augeas",
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- None,
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- libraries=['augeas'])
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+ffi.set_source("_augeas",
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+ """
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+ #include <augeas.h>
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+ """,
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+ libraries=['augeas'],
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+ include_dirs=get_include_dirs())
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ffi.cdef("""
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typedef struct augeas augeas;
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@@ -44,7 +63,5 @@ const char *aug_error_details(augeas *aug);
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void free(void *);
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""")
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-lib = ffi.dlopen("augeas")
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-
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if __name__ == "__main__":
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ffi.compile(verbose=True)
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diff --git a/setup.py b/setup.py
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index 7d55877..17f9516 100755
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--- a/setup.py
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+++ b/setup.py
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@@ -22,6 +22,7 @@ setup(name=name,
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setup_requires=["cffi>=1.0.0"],
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cffi_modules=["augeas/ffi.py:ffi"],
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install_requires=["cffi>=1.0.0"],
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+ zip_safe=False,
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url="http://augeas.net/",
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classifiers=[
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"Programming Language :: Python :: 2.7",
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--
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2.31.1
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8
package/python-augeas/Config.in
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8
package/python-augeas/Config.in
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@ -0,0 +1,8 @@
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config BR2_PACKAGE_PYTHON_AUGEAS
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bool "python-augeas"
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depends on BR2_PACKAGE_AUGEAS
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select BR2_PACKAGE_PYTHON_CFFI # runtime
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help
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Pure python bindings for Augeas.
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https://github.com/hercules-team/python-augeas
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3
package/python-augeas/python-augeas.hash
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3
package/python-augeas/python-augeas.hash
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@ -0,0 +1,3 @@
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# Locally computed
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sha256 1a1d2cdaf2ad4c091ed5ec7976c52d16e14ecfbf40b1bdcaced2465255fb0f87 python-augeas-1.1.0.tar.gz
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sha256 dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551 COPYING
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21
package/python-augeas/python-augeas.mk
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21
package/python-augeas/python-augeas.mk
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@ -0,0 +1,21 @@
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################################################################################
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#
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# python-augeas
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#
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################################################################################
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PYTHON_AUGEAS_VERSION = 1.1.0
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PYTHON_AUGEAS_SITE = $(call github,hercules-team,python-augeas,v$(PYTHON_AUGEAS_VERSION))
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PYTHON_AUGEAS_SETUP_TYPE = setuptools
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PYTHON_AUGEAS_LICENSE = LGPL-2.1+
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PYTHON_AUGEAS_LICENSE_FILES = COPYING
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PYTHON_AUGEAS_DEPENDENCIES = augeas host-python-cffi host-pkgconf
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# This will tell python-augeas to not call xml2-config, and instead
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# use pkg-config to find libxml2. libxml2 is an indirect dependency of
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# augeas, which is why it's not in our dependencies. It's odd that
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# python-augeas searches for libxml2, but that's what it
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# does. Question asked in the pull request at
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# https://github.com/hercules-team/python-augeas/pull/49.
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PYTHON_AUGEAS_ENV = XML2_CONFIG=/bin/false
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$(eval $(python-package))
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