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import sys
import os
print('Installation start')
#==================================================================================================================================================================================
#get the platform used
platform = sys.platform
#==================================================================================================================================================================================
#checks the Numarray installation
print('\nNumarray installation check...')
try:
from numarray import *
except:
print('FAILURE - PyNEC requires Numarray to be installed. Please install Numarrray first.')
print('Installation aborted')
sys.exit(-1)
print('SUCCESS - Numarray seems to be installed.')
#==================================================================================================================================================================================
#Detects the Python version number
print('\nDetecting Python version number...')
print(sys.version)
python_version = sys.version[:3]
if python_version != '2.3' and python_version != '2.4' :
print('WARNING - This python version has not yet been tested. Try and move to Python version 2.3 or 2.4 if you encounter problems')
api_version = sys.api_version
if api_version != 1012 :
print('WARNING - This api version has not yet been tested. Try and move to API version 1012 if you encounter problems')
#==================================================================================================================================================================================
#Looks for the python "include path"
print('\nLooking for the Python include path...')
def test_include_path(str):
open(os.path.join(str, 'Python.h'), 'rb')
return 0
def search_include_path(flag):
try:
if platform == 'win32' :
include_path = os.path.join(sys.prefix, 'include')
else :
include_path = os.path.join(sys.prefix, 'include', 'python'+python_version)
test_include_path(include_path)
return include_path
except:
if flag == False :
print("PROBLEM - Can not find the Python include path.\nPlease enter the actual Python include path ( example : " + include_path + ") :")
else :
print('Try again :')
include_provided = False
while(include_provided == False) :
include_path = sys.stdin.readline()[:-1]
include_provided = True
try :
test_include_path(include_path)
return include_path
except :
print('Wrong Python include path')
return search_include_path(True)
if flag == False :
print('The include path provided seems to be correct')
python_include_path = search_include_path(False)
print('SUCCESS - Python include path found')
#==================================================================================================================================================================================
#Looks for the Numarray "API path"
print('\nLooking for the Numarray API path...')
def test_api_path(str):
open(os.path.join(str, 'libnumarray.h'), 'rb')
return 0
def search_api_path(flag):
try:
if platform == 'win32' :
api_path = os.path.join(sys.prefix, 'include','numarray')
else :
api_path = os.path.join(sys.prefix, 'include', 'python'+python_version, 'numarray')
test_api_path(api_path)
return api_path
except:
if flag == False :
print("PROBLEM - Can not find the Numarray API path.\nPlease enter the actual Numarray API path ( example : " + api_path + ") :")
else :
print('Try again :')
api_provided = False
while(api_provided == False) :
api_path = sys.stdin.readline()[:-1]
api_provided = True
try :
test_api_path(api_path)
return api_path
except :
print('Wrong Numarray API path')
return search_api_path(True)
if flag == False :
print('The API path provided seems to be correct')
numarray_api_path = search_api_path(False)
print('SUCCESS - Numarray API path found')
#==================================================================================================================================================================================
#Looks for the python "lib path"
print('\nLooking for the Python lib path...')
def test_lib_path(str):
open(os.path.join(str, 'os.py'), 'rb')
return 0
def search_lib_path(flag):
try:
if platform == 'win32' :
lib_path = os.path.join(sys.prefix, 'lib')
else :
lib_path = os.path.join(sys.prefix, 'lib', 'python'+python_version)
test_lib_path(lib_path)
return lib_path
except:
if flag == False :
print("PROBLEM - Can not find the Python lib path.\nPlease enter the actual Python lib path ( example : " + lib_path + ") :")
else :
print('Try again :')
lib_provided = False
while(lib_provided == False) :
lib_path = sys.stdin.readline()[:-1]
lib_provided = True
try :
test_lib_path(lib_path)
return lib_path
except :
print('Wrong Python lib path')
return search_lib_path(True)
if flag == False :
print('The lib path provided seems to be correct.')
python_lib_path = search_lib_path(False)
print('SUCCESS - Python lib path found')
#==================================================================================================================================================================================
#Generates the makefile
print('\nGenerating the makefile...')
if platform == 'linux2' or platform == 'win32' or platform == 'gnukfreebsd5' or platform == 'gnukfreebsd6':
try :
f = open ('makefile.'+platform, 'wb')
except :
print('FAILURE - the install process failed to create a file.')
print('Installation aborted')
sys.exit(-1)
print('File created')
print('Writting the file...')
try :
f.write('# MAKEFILE FOR THE PYTHON WRAPPING OF NEC-2\n')
l = ['misc', 'c_ggrid', 'c_evlcom', 'c_plot_card', 'matrix_algebra', 'nec_output', 'c_geometry']
list_hdrs = l + ['math_util', 'common', 'nec_results']
list_src = l + ['nec_context', 'nec_ground', 'nec_radiation_pattern', 'nec_exception', 'nec_structure_currents']
if platform == 'linux2' or platform == 'gnukfreebsd5' or platform == 'gnukfreebsd6':
f.write('\nPYMOD=python_module/_PyNEC.so\n');
hdrs = '\nHDRS = '
i = -1
for j in range(list_hdrs.__len__()) :
i += 1
if i == 4 :
hdrs += "\\\n "
i = 0
hdrs += "wrap/src/" + list_hdrs[j] + ".h" + " "
f.write(hdrs + "\n")
src = '\nSRC = '
i = -1
for j in range(list_src.__len__()) :
i += 1
if i == 4 :
src += "\\\n "
i = 0
src += "wrap/src/" + list_src[j] + ".cpp" + " "
f.write(src + "\n")
f.write("\nOBJS = $(SRC:.cpp=.o)\n")
f.write("\nCXX=g++\n")
f.write("\nLDFLAGS=-shared -lstdc++\n")
f.write("\nCXXFLAGS=-Wall\n")
swigcxxflags = "\nSWIGCXXFLAGS=-c"
swigcxxflags += " -I"+python_include_path
swigcxxflags += " -I"+numarray_api_path
swigcxxflags += " -I"+python_lib_path
swigcxxflags += " -DHAVE_CONFIG_H"
f.write(swigcxxflags+"\n")
f.write("\nSWIGFLAGS=-python -c++\n")
f.write("\n\n")
f.write("\nall: $(PYMOD)\n")
pynec_so = "\npython_module/_PyNEC.so: $(OBJS) wrap/PyNEC_wrap.o\n"
pynec_so += " cd ..\n"
pynec_so += " $(CXX) $(LDFLAGS) $^ -o $@\n"
pynec_so += " @echo\n"
pynec_so += " @echo To install the module on your python system, type make -f makefile." + platform + " install - root privileges may be required"
f.write(pynec_so)
pynec_wrap_o = "\nwrap/PyNEC_wrap.o: wrap/PyNEC_wrap.cxx\n"
pynec_wrap_o += " $(CXX) $(SWIGCXXFLAGS) $< wrap/src/nec_context.cpp\n"
pynec_wrap_o += " @mv PyNEC_wrap.o wrap/\n"
pynec_wrap_o += " @rm -rf nec_context.o\n"
f.write(pynec_wrap_o)
pynec_wrap_cxx = "\nwrap/PyNEC_wrap.cxx: wrap/PyNEC.i\n"
pynec_wrap_cxx += " swig $(SWIGFLAGS) $<\n"
pynec_wrap_cxx += " @rm -rf wrap/PyNEC.py\n"
f.write(pynec_wrap_cxx)
o_from_cpp = "\n%.o: %.cpp\n"
o_from_cpp += " $(CXX) $(CXXFLAGS) -o $@ -c $<\n"
f.write(o_from_cpp)
install = "\ninstall:\n"
install += " @rm -fr " + python_lib_path + "/site-packages/PyNEC\n"
install += " @mkdir " + python_lib_path + "/site-packages/PyNEC\n"
install += " cp python_module/*.* " + python_lib_path + "/site-packages/PyNEC/\n"
f.write(install)
clean = "\nclean:\n"
clean += " rm -rf wrap/src/*.o wrap/PyNEC_wrap.cxx wrap/PyNEC_wrap.o python_module/*.pyc python_module/_PyNEC.so"
f.write(clean)
print('File written\n')
print('You can now use the generated makefile (named makefile.' + platform +') to compile PyNEC\n')
except :
print('FAILURE - an error occured so the file has not been filled properly.')
print('Installation aborted')
sys.exit(-1)
else :
print('FAILURE - The installation of PyNEC has not yet been tested on this platform.')
print('Installation aborted')
sys.exit(-1)
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