82 lines
2.5 KiB
Python
82 lines
2.5 KiB
Python
"""
|
|
A utility to build a Python extension module from C, wrapping distutils.
|
|
"""
|
|
import py
|
|
|
|
# XXX we should distutils in a subprocess, because it messes up the
|
|
# environment and who knows what else. Currently we just save
|
|
# and restore os.environ.
|
|
|
|
def make_module_from_c(cfile):
|
|
import os, sys, imp
|
|
from distutils.core import setup
|
|
from distutils.extension import Extension
|
|
import stdoutcapture
|
|
debug = 0
|
|
|
|
#try:
|
|
# from distutils.log import set_threshold
|
|
# set_threshold(10000)
|
|
#except ImportError:
|
|
# print "ERROR IMPORTING"
|
|
# pass
|
|
|
|
dirpath = cfile.dirpath()
|
|
modname = cfile.purebasename
|
|
|
|
# find the expected extension of the compiled C module
|
|
for ext, mode, filetype in imp.get_suffixes():
|
|
if filetype == imp.C_EXTENSION:
|
|
break
|
|
else:
|
|
raise ValueError, "cannot find the file name suffix of C ext modules"
|
|
lib = dirpath.join(modname+ext)
|
|
|
|
# argl! we need better "build"-locations alltogether!
|
|
if lib.check():
|
|
lib.remove()
|
|
|
|
c = stdoutcapture.Capture(mixed_out_err = True)
|
|
try:
|
|
try:
|
|
saved_environ = os.environ.items()
|
|
try:
|
|
lastdir = dirpath.chdir()
|
|
try:
|
|
setup(
|
|
name = "pylibmodules",
|
|
ext_modules=[
|
|
Extension(modname, [str(cfile)])
|
|
],
|
|
script_name = 'setup.py',
|
|
script_args = ['-q', 'build_ext', '--inplace']
|
|
#script_args = ['build_ext', '--inplace']
|
|
)
|
|
finally:
|
|
lastdir.chdir()
|
|
finally:
|
|
for key, value in saved_environ:
|
|
if os.environ.get(key) != value:
|
|
os.environ[key] = value
|
|
finally:
|
|
foutput, foutput = c.done()
|
|
except KeyboardInterrupt:
|
|
raise
|
|
except SystemExit, e:
|
|
raise RuntimeError("cannot compile %s: %s\n%s" % (cfile, e,
|
|
foutput.read()))
|
|
# XXX do we need to do some check on fout/ferr?
|
|
# XXX not a nice way to import a module
|
|
if debug:
|
|
print "inserting path to sys.path", dirpath
|
|
sys.path.insert(0, str(dirpath))
|
|
if debug:
|
|
print "import %(modname)s as testmodule" % locals()
|
|
exec py.code.compile("import %(modname)s as testmodule" % locals())
|
|
try:
|
|
sys.path.remove(str(dirpath))
|
|
except ValueError:
|
|
pass
|
|
|
|
return testmodule
|