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Description: Find libnexus by name and in multi-arch paths
CDLL already has a path search facility that looks in the standard
paths and gets multi-arch paths correct; the path search code in nxs
gets this wrong and so for unix at least, it's best to just rip it
all out.
Author: Stuart Prescott <stuart@debian.org>
--- a/nxs/napi.py
+++ b/nxs/napi.py
@@ -272,50 +272,19 @@
# this will get changed as part of the install process
# it should correspond to --libdir specified to ./configure
# NEXUSLIB takes precedence
+ file = 'libNeXus.so.1'
if 'NEXUSLIB' in os.environ:
file = os.environ['NEXUSLIB']
if not os.path.isfile(file):
raise OSError("File %s from environment variable NEXUSLIB does "
"exist" % file)
- files = [file]
- else:
- files = []
-
- # Default names and locations to look for the library are system dependent
- filedir = os.path.dirname(__file__)
- if sys.platform in ('win32','cygwin'):
- # NEXUSDIR is set by the Windows installer for NeXus
- if 'NEXUSDIR' in os.environ:
- winnxdir = os.environ['NEXUSDIR']
- else:
- winnxdir = 'C:/Program Files/NeXus Data Format'
-
- files += [filedir+"/libNeXus-0.dll",
- winnxdir + '/bin/libNeXus-0.dll',
- filedir+"/libNeXus.dll"]
- else:
- if sys.platform in ('darwin'):
- lib = 'libNeXus.0.dylib'
- ldenv = 'DYLD_LIBRARY_PATH'
- else:
- lib = 'libNeXus.so.1'
- ldenv = 'LD_LIBRARY_PATH'
- # Search the load library path as well as the standard locations
- ldpath = [p for p in os.environ.get(ldenv,'').split(':') if p != '']
- stdpath = [ '/usr/local/lib', '/usr/local/lib64',
- '/usr/lib', '/usr/lib64']
- files += [os.path.join(p,lib) for p in [filedir]+ldpath+stdpath]
# Given a list of files, try loading the first one that is available.
- for file in files:
- if not os.path.isfile(file): continue
- try:
- return ctypes.cdll[file]
- except:
- raise OSError("NeXus library %s could not be loaded: %s" %
- (file,sys.exc_info()))
- raise OSError("Set NEXUSLIB or move NeXus to one of: %s" %
- ", ".join(files))
+ try:
+ return ctypes.cdll[file]
+ except OSError:
+ pass
+ raise OSError("Set NEXUSLIB or put it in a standard location.")
def _init():
lib = _libnexus()
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