def convert_wf_file_for_p2_5(origin_file_path, target_file_path):
'''
This method requires Python >= 2.6.
It converts a workflow file created using Python >= 2.6 to workflow file
usable in Python 2.5.
'''
if sys.version_info[:2] < (2, 6):
raise Exception("convert_wf_file_for_p2_5 requires Python >= 2.6.")
try:
o_file = open(origin_file_path, "r")
dict_from_json = json.load(o_file)
workflow = Workflow.from_dict(dict_from_json)
o_file.close()
t_file = open(target_file_path, "w")
pickle.dump(workflow, t_file)
t_file.close()
except Exception, e:
SerializationError("%s: %s" %(type(e), e))
Raises *SerializationError*
'''
if sys.version_info[:2] >= (2, 6):
try:
file = open(file_path, "r")
except Exception, e:
raise SerializationError("%s: %s" %(type(e), e))
workflow = None
try:
dict_from_json = json.load(file)
except ValueError, e:
pass
else:
workflow = Workflow.from_dict(dict_from_json)
if not workflow:
file.close()
file = open(file_path, "r")
try:
workflow = pickle.load(file)
except Exception, e:
raise SerializationError("%s: %s" %(type(e), e))
try:
file.close()
except Exception, e:
raise SerializationError("%s: %s" %(type(e), e))
else:
