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load lammps shared object for directory in LD_LIBRARY_PATH, if not found in same directory than lammps.py

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Axel Kohlmeyer
2016-02-11 13:22:46 +01:00
parent f5c2e4c895
commit 7183e000e7
1 changed files with 9 additions and 5 deletions
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14
python/lammps.py
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@ -39,16 +39,20 @@ class lammps:
modpath = dirname(abspath(getsourcefile(lambda:0))) modpath = dirname(abspath(getsourcefile(lambda:0)))
# load liblammps.so by default # load liblammps.so unless name is given.
# if name = "g++", load liblammps_g++.so # e.g. if name = "g++", load liblammps_g++.so
# try loading the LAMMPS shared object from the location
# of lammps.py with an absolute path (so that LD_LIBRARY_PATH
# does not need to be set for regular installations.
# fall back to loading with a relative path, which typically
# requires LD_LIBRARY_PATH to be set appropriately.
try: try:
if not name: self.lib = CDLL(join(modpath,"liblammps.so"),RTLD_GLOBAL) if not name: self.lib = CDLL(join(modpath,"liblammps.so"),RTLD_GLOBAL)
else: self.lib = CDLL(join(modpath,"liblammps_%s.so" % name),RTLD_GLOBAL) else: self.lib = CDLL(join(modpath,"liblammps_%s.so" % name),RTLD_GLOBAL)
except: except:
type,value,tb = sys.exc_info() if not name: self.lib = CDLL("liblammps.so",RTLD_GLOBAL)
traceback.print_exception(type,value,tb) else: self.lib = CDLL("liblammps_%s.so" % name,RTLD_GLOBAL)
raise OSError,"Could not load LAMMPS dynamic library from %s" % modpath
# if no ptr provided, create an instance of LAMMPS # if no ptr provided, create an instance of LAMMPS
# don't know how to pass an MPI communicator from PyPar # don't know how to pass an MPI communicator from PyPar