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nixpkgs/pkgs/tools/filesystems/glusterfs/glusterfs-python-remove-find_library.patch
Niklas Hambüchen 85f6ff48e1 glusterfs: Make commands that gluster calls work. Fixes #25620. 
Done by setting PATH and PYTHONPATH appropriately.

Adds the following patches:

* One that removes hardcodes to /sbin, /usr/bin, etc.
  from gluster, so that programs like `lvm` and `xfs_info` can be
  called at runtime; see https://bugzilla.redhat.com/show_bug.cgi?id=1450546.
* One that fixes unsubstituted autoconf macros in paths (a problem
  in the 3.10 release); see https://bugzilla.redhat.com/show_bug.cgi?id=1450588.
* One that removes uses of the `find_library()` Python function that does
  not behave as expected in Python < 3.6 (and would not behave correctly
  even on 3.6 in nixpkgs due to #25763);
  see https://bugzilla.redhat.com/show_bug.cgi?id=1450593.

I think that all of these patches should be upstreamed.

Also adds tests to check that none of the Python based utilities
throw import errors, calling `--help` or equivalent on them.
2017-05-19 16:56:30 +02:00

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From d321df349d10f038f0c89b9c11f8059572264f1b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niklas=20Hamb=C3=BCchen?= <mail@nh2.me>
Date: Sat, 13 May 2017 18:54:36 +0200
Subject: [PATCH] python: Remove all uses of find_library. Fixes #1450593
`find_library()` doesn't consider LD_LIBRARY_PATH on Python < 3.6.
---
api/examples/getvolfile.py | 2 +-
geo-replication/syncdaemon/libcxattr.py | 3 +--
geo-replication/syncdaemon/libgfchangelog.py | 3 +--
tests/features/ipctest.py | 10 ++--------
tests/utils/libcxattr.py | 5 ++---
tools/glusterfind/src/libgfchangelog.py | 3 +--
.../features/changelog/lib/examples/python/libgfchangelog.py | 3 +--
7 files changed, 9 insertions(+), 20 deletions(-)
diff --git a/api/examples/getvolfile.py b/api/examples/getvolfile.py
index 0c95213..32c2268 100755
--- a/api/examples/getvolfile.py
+++ b/api/examples/getvolfile.py
@@ -3,7 +3,7 @@
import ctypes
import ctypes.util
-api = ctypes.CDLL(ctypes.util.find_library("gfapi"))
+api = ctypes.CDLL("libgfapi.so")
api.glfs_get_volfile.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_ulong]
diff --git a/geo-replication/syncdaemon/libcxattr.py b/geo-replication/syncdaemon/libcxattr.py
index 3671e10..f576648 100644
--- a/geo-replication/syncdaemon/libcxattr.py
+++ b/geo-replication/syncdaemon/libcxattr.py
@@ -10,7 +10,6 @@
import os
from ctypes import CDLL, create_string_buffer, get_errno
-from ctypes.util import find_library
class Xattr(object):
@@ -25,7 +24,7 @@ class Xattr(object):
sizes we expect
"""
- libc = CDLL(find_library("c"), use_errno=True)
+ libc = CDLL("libc.so.6", use_errno=True)
@classmethod
def geterrno(cls):
diff --git a/geo-replication/syncdaemon/libgfchangelog.py b/geo-replication/syncdaemon/libgfchangelog.py
index d87b56c..003c28c 100644
--- a/geo-replication/syncdaemon/libgfchangelog.py
+++ b/geo-replication/syncdaemon/libgfchangelog.py
@@ -10,12 +10,11 @@
import os
from ctypes import CDLL, RTLD_GLOBAL, create_string_buffer, get_errno, byref, c_ulong
-from ctypes.util import find_library
from syncdutils import ChangelogException, ChangelogHistoryNotAvailable
class Changes(object):
- libgfc = CDLL(find_library("gfchangelog"), mode=RTLD_GLOBAL, use_errno=True)
+ libgfc = CDLL("libgfchangelog.so", mode=RTLD_GLOBAL, use_errno=True)
@classmethod
def geterrno(cls):
diff --git a/tests/features/ipctest.py b/tests/features/ipctest.py
index 5aff319..9339248 100755
--- a/tests/features/ipctest.py
+++ b/tests/features/ipctest.py
@@ -1,14 +1,8 @@
#!/usr/bin/python
import ctypes
-import ctypes.util
-
-# find_library does not lookup LD_LIBRARY_PATH and may miss the
-# function. In that case, retry with less portable but explicit name.
-libgfapi = ctypes.util.find_library("gfapi")
-if libgfapi == None:
- libgfapi = "libgfapi.so"
-api = ctypes.CDLL(libgfapi,mode=ctypes.RTLD_GLOBAL)
+
+api = ctypes.CDLL("libgfapi.so",mode=ctypes.RTLD_GLOBAL)
api.glfs_ipc.argtypes = [ ctypes.c_void_p, ctypes.c_int, ctypes.c_void_p, ctypes.c_void_p ]
api.glfs_ipc.restype = ctypes.c_int
diff --git a/tests/utils/libcxattr.py b/tests/utils/libcxattr.py
index 149db72..4e6e6c4 100644
--- a/tests/utils/libcxattr.py
+++ b/tests/utils/libcxattr.py
@@ -11,7 +11,6 @@
import os
import sys
from ctypes import CDLL, c_int, create_string_buffer
-from ctypes.util import find_library
class Xattr(object):
@@ -28,9 +27,9 @@ class Xattr(object):
if sys.hexversion >= 0x02060000:
from ctypes import DEFAULT_MODE
- libc = CDLL(find_library("libc"), DEFAULT_MODE, None, True)
+ libc = CDLL("libc.so.6", DEFAULT_MODE, None, True)
else:
- libc = CDLL(find_library("libc"))
+ libc = CDLL("libc.so.6")
@classmethod
def geterrno(cls):
diff --git a/tools/glusterfind/src/libgfchangelog.py b/tools/glusterfind/src/libgfchangelog.py
index dd8153e..da822cf 100644
--- a/tools/glusterfind/src/libgfchangelog.py
+++ b/tools/glusterfind/src/libgfchangelog.py
@@ -12,14 +12,13 @@
import os
from ctypes import CDLL, get_errno, create_string_buffer, c_ulong, byref
from ctypes import RTLD_GLOBAL
-from ctypes.util import find_library
class ChangelogException(OSError):
pass
-libgfc = CDLL(find_library("gfchangelog"), use_errno=True, mode=RTLD_GLOBAL)
+libgfc = CDLL("libgfchangelog.so", use_errno=True, mode=RTLD_GLOBAL)
def raise_oserr():
diff --git a/xlators/features/changelog/lib/examples/python/libgfchangelog.py b/xlators/features/changelog/lib/examples/python/libgfchangelog.py
index 10e73c0..2cdbf11 100644
--- a/xlators/features/changelog/lib/examples/python/libgfchangelog.py
+++ b/xlators/features/changelog/lib/examples/python/libgfchangelog.py
@@ -1,9 +1,8 @@
import os
from ctypes import *
-from ctypes.util import find_library
class Changes(object):
- libgfc = CDLL(find_library("gfchangelog"), mode=RTLD_GLOBAL, use_errno=True)
+ libgfc = CDLL("libgfchangelog.so", mode=RTLD_GLOBAL, use_errno=True)
@classmethod
def geterrno(cls):
--
2.7.4
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