def test_run(self):
pkg_dir, dist = self.create_dist()
cmd = build_clib(dist)
foo_c = os.path.join(pkg_dir, 'foo.c')
self.write_file(foo_c, 'int main(void) { return 1;}\n')
cmd.libraries = [('foo', {'sources': [foo_c]})]
build_temp = os.path.join(pkg_dir, 'build')
os.mkdir(build_temp)
cmd.build_temp = build_temp
cmd.build_clib = build_temp
# before we run the command, we want to make sure
# all commands are present on the system
# by creating a compiler and checking its executables
from packaging.compiler import new_compiler, customize_compiler
compiler = new_compiler()
customize_compiler(compiler)
for ccmd in compiler.executables.values():
if ccmd is None:
continue
if find_executable(ccmd[0]) is None:
raise unittest.SkipTest("can't test")
# this should work
cmd.run()
# let's check the result
self.assertIn('libfoo.a', os.listdir(build_temp))
def run(self):
from packaging.compiler import new_compiler
if not self.extensions:
return
# If we were asked to build any C/C++ libraries, make sure that the
# directory where we put them is in the library search path for
# linking extensions.
if self.distribution.has_c_libraries():
build_clib = self.get_finalized_command('build_clib')
self.libraries.extend(build_clib.get_library_names() or [])
self.library_dirs.append(build_clib.build_clib)
# Setup the CCompiler object that we'll use to do all the
# compiling and linking
self.compiler_obj = new_compiler(compiler=self.compiler,
dry_run=self.dry_run,
force=self.force)
customize_compiler(self.compiler_obj)
# If we are cross-compiling, init the compiler now (if we are not
# cross-compiling, init would not hurt, but people may rely on
# late initialization of compiler even if they shouldn't...)
if os.name == 'nt' and self.plat_name != get_platform():
self.compiler_obj.initialize(self.plat_name)
# And make sure that any compile/link-related options (which might
# come from the command line or from the setup script) are set in
# that CCompiler object -- that way, they automatically apply to
# all compiling and linking done here.
if self.include_dirs is not None:
self.compiler_obj.set_include_dirs(self.include_dirs)
if self.define is not None:
# 'define' option is a list of (name,value) tuples
for name, value in self.define:
self.compiler_obj.define_macro(name, value)
if self.undef is not None:
for macro in self.undef:
self.compiler_obj.undefine_macro(macro)
if self.libraries is not None:
self.compiler_obj.set_libraries(self.libraries)
if self.library_dirs is not None:
self.compiler_obj.set_library_dirs(self.library_dirs)
if self.rpath is not None:
self.compiler_obj.set_runtime_library_dirs(self.rpath)
if self.link_objects is not None:
self.compiler_obj.set_link_objects(self.link_objects)
# Now actually compile and link everything.
self.build_extensions()
def test_customize_compiler(self):
os.environ['AR'] = 'my_ar'
os.environ['ARFLAGS'] = '-arflags'
# make sure AR gets caught
class compiler:
name = 'unix'
def set_executables(self, **kw):
self.exes = kw
comp = compiler()
customize_compiler(comp)
self.assertEqual(comp.exes['archiver'], 'my_ar -arflags')
def _check_compiler(self):
"""Check that 'self.compiler' really is a CCompiler object;
if not, make it one.
"""
# We do this late, and only on-demand, because this is an expensive
# import.
from packaging.compiler.ccompiler import CCompiler
from packaging.compiler import new_compiler
if not isinstance(self.compiler, CCompiler):
self.compiler = new_compiler(compiler=self.compiler, dry_run=self.dry_run, force=True)
customize_compiler(self.compiler)
if self.include_dirs:
self.compiler.set_include_dirs(self.include_dirs)
if self.libraries:
self.compiler.set_libraries(self.libraries)
if self.library_dirs:
self.compiler.set_library_dirs(self.library_dirs)
def run(self):
if not self.libraries:
return
# Yech -- this is cut 'n pasted from build_ext.py!
self.compiler = new_compiler(compiler=self.compiler,
dry_run=self.dry_run,
force=self.force)
customize_compiler(self.compiler)
if self.include_dirs is not None:
self.compiler.set_include_dirs(self.include_dirs)
if self.define is not None:
# 'define' option is a list of (name,value) tuples
for name, value in self.define:
self.compiler.define_macro(name, value)
if self.undef is not None:
for macro in self.undef:
self.compiler.undefine_macro(macro)
self.build_libraries(self.libraries)