def _store_python_version(self, python_version):
"""Configure the python version."""
if python_version:
if isinstance(python_version, str):
version = utils.version_from_string(python_version)
else:
version = python_version
else:
version = sys.version_info[:2]
if len(version) != 2:
self.error("--python_version must be <major>.<minor>: %r" %
python_version)
# Check that we have a version supported by pytype.
utils.validate_version(version)
self.output_options.python_version = version
if utils.can_compile_bytecode_natively(
self.output_options.python_version):
# pytype does not need an exe for bytecode compilation. Abort early to
# avoid extracting a large unused exe into /tmp.
self.output_options.python_exe = None
return
for exe in utils.get_python_exes(self.output_options.python_version):
exe_version = utils.get_python_exe_version(exe)
if exe_version == self.output_options.python_version:
self.output_options.python_exe = exe
break
else:
self.error("Need a valid python%d.%d executable in $PATH" %
self.output_options.python_version)
def _store_python_exe(self, python_exe):
"""Postprocess --python_exe."""
if python_exe is None:
python_exe, flags = utils.get_python_exe(
self.output_options.python_version)
user_provided_exe = False
else:
if isinstance(python_exe, tuple):
python_exe, flags = python_exe
else:
flags = []
user_provided_exe = True
python_exe_version = utils.get_python_exe_version(python_exe)
if python_exe_version != self.output_options.python_version:
if not user_provided_exe:
err = ("Need a valid python%d.%d executable in $PATH" %
self.output_options.python_version)
elif python_exe_version:
err = (
"--python_exe version %d.%d does not match "
"--python_version %d.%d" %
(python_exe_version + self.output_options.python_version))
else:
err = "Bad flag --python_exe: could not run %s" % python_exe
self.error(err)
self.output_options.python_exe = (python_exe, flags)
def _store_python_exe(self, python_exe):
"""Postprocess --python_exe."""
if python_exe is None and utils.can_compile_bytecode_natively(
self.output_options.python_version):
# The user has not requested a custom exe and pytype does not need an exe
# for bytecode compilation. Abort early to avoid extracting a large unused
# exe into /tmp.
self.output_options.python_exe = (None, None)
return
if python_exe is None:
python_exe, flags = utils.get_python_exe(
self.output_options.python_version)
user_provided_exe = False
else:
if isinstance(python_exe, tuple):
python_exe, flags = python_exe
else:
flags = []
user_provided_exe = True
python_exe_version = utils.get_python_exe_version(python_exe)
if python_exe_version != self.output_options.python_version:
if not user_provided_exe:
err = ("Need a valid python%d.%d executable in $PATH" %
self.output_options.python_version)
elif python_exe_version:
err = ("--python_exe version %d.%d does not match "
"--python_version %d.%d" % (
python_exe_version + self.output_options.python_version))
else:
err = "Bad flag --python_exe: could not run %s" % python_exe
self.error(err)
self.output_options.python_exe = (python_exe, flags)
def test_get_python_exe_version(self): version = utils.get_python_exe_version(["python"]) self.assertIsInstance(version, tuple) self.assertEqual(len(version), 2)
def testGetPythonExeVersion(self):
version = utils.get_python_exe_version("python")
self.assertIsInstance(version, tuple)
self.assertEqual(len(version), 2)
