def test_obtain_from_python_path(self):
self.assertEquals(
os.path.sep,
LoaderUtilities.obtain_from_python_path('os.path.sep'))
self.assertEquals(os.open,
LoaderUtilities.obtain_from_python_path('os.open'))
self.assertEquals(os.path,
LoaderUtilities.obtain_from_python_path('os.path'))
self.assertRaises(LoaderErrors.InvalidConfigurationError,
LoaderUtilities.obtain_from_python_path,
'I guess this does not exist')
self.assertRaises(LoaderErrors.InvalidConfigurationError,
LoaderUtilities.obtain_from_python_path,
'os.path.thisdoesnt')
def _parse_server_type_module(self, server_type_node):
text_value = LoaderUtilities.obtain_text_safe(server_type_node)
if text_value.count('::') != 1:
raise LoaderErrors.InvalidConfigurationError(
'Unknown format: %s. module::variable expected' % text_value
)
module_name, _ = text_value.split('::')
module_inst = LoaderUtilities.obtain_from_python_path(module_name)
return module_inst
def test_obtain_from_python_path(self):
self.assertEquals(
os.path.sep,
LoaderUtilities.obtain_from_python_path('os.path.sep')
)
self.assertEquals(
os.open,
LoaderUtilities.obtain_from_python_path('os.open')
)
self.assertEquals(
os.path,
LoaderUtilities.obtain_from_python_path('os.path')
)
self.assertRaises(
LoaderErrors.InvalidConfigurationError,
LoaderUtilities.obtain_from_python_path,
'I guess this does not exist'
)
self.assertRaises(
LoaderErrors.InvalidConfigurationError,
LoaderUtilities.obtain_from_python_path,
'os.path.thisdoesnt'
)
def _retrieve_variable(self, format_node):
text_value = LoaderUtilities.obtain_text_safe(format_node)
if text_value.count('::') != 1:
raise LoaderErrors.InvalidConfigurationError(
'Unknown format: %s. module::variable expected' % text_value
)
module_name, variable = text_value.split('::')
module_inst = LoaderUtilities.obtain_from_python_path(module_name)
try:
return getattr(module_inst, variable)
except AttributeError:
raise LoaderErrors.InvalidConfigurationError(
'Unknown format: couldn\'t find %s in %s' % (variable, module_name)
)
def _parse_implementation(self, implementation_node):
implementation_class_name = LoaderUtilities.obtain_text_safe(implementation_node)
return LoaderUtilities.obtain_from_python_path(implementation_class_name)
