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from ctypes_configure import configure
import ctypes
class CConfigure:
_compilation_info_ = configure.ExternalCompilationInfo(
# all lines landing in C header before includes
pre_include_lines = [],
# list of .h files to include
includes = ['time.h', 'sys/time.h', 'unistd.h'],
# list of directories to search for include files
include_dirs = [],
# all lines landing in C header after includes
post_include_lines = [],
# libraries to link with
libraries = [],
# library directories
library_dirs = [],
# additional C sources to compile with (that go to
# created .c files)
separate_module_sources = [],
# additional existing C source file names
separate_module_files = [],
)
# get real int type out of hint and name
size_t = configure.SimpleType('size_t', ctypes.c_int)
# grab value of numerical #define
NULL = configure.ConstantInteger('NULL')
# grab #define, whether it's defined or not
EXISTANT = configure.Defined('NULL')
NOT_EXISTANT = configure.Defined('XXXNOTNULL')
# check for existance of C functions
has_write = configure.Has('write')
no_xxxwrite = configure.Has('xxxwrite')
# check for size of type
sizeof_size_t = configure.SizeOf('size_t')
# structure, with given hints for interesting fields,
# types does not need to be too specific.
# all interesting fields would end up with right offset
# size and order
struct_timeval = configure.Struct('struct timeval',[
('tv_sec', ctypes.c_int),
('tv_usec', ctypes.c_int)])
info = configure.configure(CConfigure)
assert info['has_write']
assert not info['no_xxxwrite']
assert info['NULL'] == 0
size_t = info['size_t']
print "size_t in ctypes is ", size_t
assert ctypes.sizeof(size_t) == info['sizeof_size_t']
assert info['EXISTANT']
assert not info['NOT_EXISTANT']
print
print "fields of struct timeval are "
for name, value in info['struct_timeval']._fields_:
print " ", name, " ", value
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