Hi,
i have the issue, that the example wont work, because there ist no "libknot.so"
on my system:
root@f-dns4:~# ldconfig -v 2>/dev/null | grep libknot
libknot.so.8 -> libknot.so.8.0.0
root@f-dns4:~# lsb_release -a; dpkg-query -W knot
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.1 LTS
Release: 18.04
Codename: bionic
root@f-dns4:~# dpkg-query -W knot
knot 2.7.3-1~ubuntu18.04.1ppa2
I has made a patch for that, with a search order, if no path is given.
Hopefully this help to solve this issue.
Greetings
Frank
--
Frank Matthieß Stapenhorster Straße 42b, DE 33615 Bielefeld
Mail: [email protected]
GnuPG: 9F81 BD57 C898 6059 86AA 0E9B 6B23 DE93 01BB 63D1
diff --git a/python/libknot/control.py b/python/libknot/control.py
index 433ad3598..cf527a956 100755
--- a/python/libknot/control.py
+++ b/python/libknot/control.py
@@ -27,7 +27,7 @@ Example:
ctl.close()
"""
-from ctypes import cdll, c_void_p, c_int, c_char_p, c_uint, byref
+from ctypes import CDLL, cdll, c_void_p, c_int, c_char_p, c_uint, byref
from enum import IntEnum
import sys
@@ -44,9 +44,28 @@ CTL_ERROR = None
def load_lib(path=None):
"""Loads the libknot library."""
+ LIB = None
+
if path is None:
- path = "libknot.dylib" if sys.platform == "darwin" else "libknot.so"
- LIB = cdll.LoadLibrary(path)
+ if sys.platform == "darwin":
+ libnames = ["libknot.dylib"]
+ else:
+ libnames = ["libknot.so", "libknot.so.8" ]
+ else:
+ libnames = [ path ]
+
+ for libname in libnames:
+ try:
+ LIB = cdll.LoadLibrary(libname)
+ except OSError:
+ pass
+
+ if type(LIB) is CDLL:
+ break
+
+ if type(LIB) is not CDLL:
+ libs = " ".join(libnames)
+ raise Exception("Could not load shared library: {}".format(libs))
global CTL_ALLOC
CTL_ALLOC = LIB.knot_ctl_alloc
--
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