def _convert_val(self, param_type, val):
if param_type["type"] == "native":
switch = {
"str" : lambda x: str(x),
"list" : lambda x: list(x),
"tuple" : lambda x: tuple(x),
"dict" : lambda x: dict(x),
"int" : lambda x: int(x),
"float" : lambda x: float(x),
"unicode" : lambda x: unicode(x)
}
return switch[param_type["name"]](val)
elif param_type["type"] == "fileset":
val = FileSet(val)
return val
elif param_type["type"] == "component":
# val should be like this:
# { "class": "SpecificComponent", "params": {} }
#
# allow for inheritance by letting the json specify the
# specific class that will be used
component_cls = self._get_component_cls(val["class"])
component_args = self._convert_params(val["params"], component_cls)
val = component_cls(parent_log = self._log, job = self)
val.init(**component_args)
return val
elif param_type["type"] == "fileset":
val = FileSet(val)
return val
elif param_type["type"] == "component":
# val should be like this:
# { "class": "SpecificComponent", "params": {} }
#
# allow for inheritance by letting the json specify the
# specific class that will be used
component_cls = self._get_component_cls(val["class"])
component_args = self._convert_params(val["params"], component_cls)
val = component_cls(parent_log=self._log, job=self)
val.init(**component_args)
return val
def _get_param_types(self, cls):
cls_name = cls.__name__
filename = inspect.getfile(cls)
filename = filename.replace(".pyc", ".py")
with open(filename, "r") as f:
source = f.read()
pyclass = None
mod = ast.parse(source)
for node in mod.body:
if isinstance(node, ast.ClassDef):
cls = PyClass(self._log, filename, node)
