python-pyudev: new package

Add a patch, that fixes find_library() issue on the systems
without library cache.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/package/python-pyudev/0001-Workaround-finding-libudev-on-systems-without-ldconf.patch b/package/python-pyudev/0001-Workaround-finding-libudev-on-systems-without-ldconf.patch
new file mode 100644
index 0000000000..93b9568593
--- /dev/null
+++ b/package/python-pyudev/0001-Workaround-finding-libudev-on-systems-without-ldconf.patch
@@ -0,0 +1,47 @@
+From e86a1c199d45c9751da67f947af202927dee07f8 Mon Sep 17 00:00:00 2001
+From: Yegor Yefremov <yegorslists@googlemail.com>
+Date: Thu, 10 Dec 2015 08:44:55 +0100
+Subject: [PATCH] Workaround finding libudev on systems without ldconf
+
+This patch tries to load libudev.so directly without relying on
+Python's find_library(). find_library() fails on systems
+without library cache mechanism.
+
+Taken from pyudev issue 117 discussion:
+https://github.com/pyudev/pyudev/pull/117
+
+Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
+---
+ src/pyudev/_libudev.py | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/src/pyudev/_libudev.py b/src/pyudev/_libudev.py
+index a0de8fb..1348d17 100644
+--- a/src/pyudev/_libudev.py
++++ b/src/pyudev/_libudev.py
+@@ -30,7 +30,7 @@
+ from __future__ import (print_function, division, unicode_literals,
+                         absolute_import)
+ 
+-from ctypes import (CDLL, Structure, POINTER,
++from ctypes import (cdll, CDLL, Structure, POINTER,
+                     c_char, c_char_p, c_int, c_uint, c_ulonglong)
+ from ctypes.util import find_library
+ 
+@@ -265,10 +265,10 @@ def load_udev_library():
+ 
+     Raise :exc:`~exceptions.ImportError`, if the udev library was not found.
+     """
+-    udev_library_name = find_library('udev')
+-    if not udev_library_name:
++    try:
++        libudev = cdll.LoadLibrary('libudev.so')
++    except OSError:
+         raise ImportError('No library named udev')
+-    libudev = CDLL(udev_library_name, use_errno=True)
+     # context function signature
+     for namespace, members in SIGNATURES.items():
+         for funcname in members:
+-- 
+2.1.4
+