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#!/usr/bin/env python
"""
A generic wrapper to access nmodl binaries from a python installation
Please create a softlink with the binary name to be called.
"""
import os
import sys
import stat
from pkg_resources import working_set
from find_libpython import find_libpython
def _config_exe(exe_name):
"""Sets the environment to run the real executable (returned)"""
package_name = "nmodl"
if package_name not in working_set.by_key:
print ("INFO : Using nmodl-nightly Package (Developer Version)")
package_name = 'nmodl-nightly'
assert (
package_name in working_set.by_key
), "NMODL package not found! Verify PYTHONPATH"
NMODL_PREFIX = os.path.join(working_set.by_key[package_name].location, "nmodl")
NMODL_HOME = os.path.join(NMODL_PREFIX, ".data")
NMODL_BIN = os.path.join(NMODL_HOME, "bin")
NMODL_LIB = os.path.join(NMODL_HOME, "lib")
# add pywrapper path to environment
if sys.platform == "darwin":
os.environ["NMODL_WRAPLIB"] = os.path.join(NMODL_LIB, "libpywrapper.dylib")
else:
os.environ["NMODL_WRAPLIB"] = os.path.join(NMODL_LIB, "libpywrapper.so")
# add libpython*.so path to environment
os.environ["NMODL_PYLIB"] = find_libpython()
# add nmodl home to environment (i.e. necessary for nrnunits.lib)
os.environ["NMODLHOME"] = NMODL_HOME
# set PYTHONPATH for embedded python to properly find the nmodl module
os.environ["PYTHONPATH"] = working_set.by_key[package_name].location + ':' + os.environ.get("PYTHONPATH", "")
return os.path.join(NMODL_BIN, exe_name)
if __name__ == "__main__":
"""Set the pointed file as executable"""
exe = _config_exe(os.path.basename(sys.argv[0]))
st = os.stat(exe)
os.chmod(exe, st.st_mode | stat.S_IEXEC)
os.execv(exe, sys.argv)
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