def handle_message():
"""
Example that shows how to handle messages
"""
print("handle message")
msg1 = Message(body="hello world!".encode("utf-8"), header={"h1": "val1"})
msg2 = Message(body="hello world!".encode("utf-8"), header={"h1": "val1"})
assert(msg1 == msg2)
msg2 = msg1.serialize()
msg2 = deserialize(msg2)
assert(msg1 == msg2)
msg3 = deserialize('{"body": "hello world!", "header": {"h1": "val1"}}')
assert(msg1 == msg3)
tmp = msg1.stringify()
msg4 = destringify(tmp)
assert(msg1 == msg4)
msg5 = msg1.jsonify()
assert(isinstance(msg5, dict))
msg5 = dejsonify(msg5)
assert(msg1 == msg5)
print("...handle message OK!")
def get_message(self, element):
"""
Dequeue the message from the given element and
return a :py:class:`messaging.message.Message` object.
"""
msg = self.get(element)
return deserialize(msg)
def __test_dq(self, qtype):
""" Dirq base test. """
print("checking %s queue" % qtype)
option = {"type": qtype,
"path": "%s/%s" % (self.path, qtype), }
try:
dirq = queue.new(option)
except SyntaxError:
print(">>>>>>>> Dirq %s not supported in this Python version" %
qtype)
return False
except ImportError:
print(">>>>>>>> Dirq %s not installed or not in PYTHONPATH" %
qtype)
return False
path = ["test/compliance", ]
counter = 0
for folder in path:
content = sorted(os.listdir(folder))
for each in content:
if not COMPLIANCE_NAME.match(each):
continue
filer = open("%s/%s" % (folder, each), 'rb')
serialized = EMPTY_BYTES.join(filer.readlines())
filer.close()
try:
msg = message.deserialize(serialized)
except MessageError:
error = sys.exc_info()[1]
if "decoding supported but not installed" in \
"%s" % error:
print("skipping compliance test for %s: %s"
% (each, error))
else:
raise error
md5 = re.split('[.-]', each)[0]
msg_md5 = msg.md5()
self.assertEqual(md5, msg_md5,
"deserialization of %s failed:%s\nresult:%s"
% (each, msg, msg_md5))
element = dirq.add_message(msg)
msg2 = None
if dirq.lock(element):
msg2 = dirq.get_message(element)
dirq.unlock(element)
self.assertEqual(msg, msg2,
"messages should be equal:\n%s\n###\n%s" %
(msg, msg2))
try:
msg3 = dirq.dequeue_message(element)
self.assertEqual(msg, msg3,
"messages should be equal:\n%s\n###\n%s" %
(msg, msg3))
except AttributeError:
# "dequeue method not supported by this queue type"
pass
counter += 1
print("...%s queue ok, checked it with %d files" % (qtype, counter))
def __serialize(self, **kwargs):
""" helper """
gen = Generator(**kwargs)
msg = gen.message()
for option in MESSAGE_CONVERT_OPTIONS:
serialized = msg.serialize(option)
msg_b = message.deserialize(serialized)
self.assertEqual(msg, msg_b, "Error in de/serialization")
def __fullchain(self, **kwargs):
""" helper """
gen = Generator(**kwargs)
msg_a = gen.message()
msg_b = message.deserialize(msg_a.serialize())
self.assertEqual(msg_a.size(), msg_b.size(),
"message size not matching")
self.assertEqual(msg_a, msg_b,
"Error, not the same after serialization")
msg_c = msg_a.clone()
self.assertEqual(msg_a, msg_c,
"Error, not the same after cloning\n%s\n%s\n" %
(msg_a, msg_c))
def test_messages_compliance(self):
"""
Test message compliance.
Deserialize messages in test/compliance, and check that their checksum
correspond to their filename.
This allow to prove interoperability between Perl and Python
implementations.
"""
print("checking message compliance")
path = ["test/compliance", ]
counter = 0
for folder in path:
content = sorted(os.listdir(folder))
for each in content:
if not COMPLIANCE_NAME.match(each):
continue
filer = open("%s/%s" % (folder, each), 'rb')
serialized = EMPTY_BYTES.join(filer.readlines())
filer.close()
try:
msg = message.deserialize(serialized)
except MessageError:
error = sys.exc_info()[1]
if "decoding supported but not installed" in \
"%s" % error:
print("skipping compliance test for %s: %s"
% (each, error))
else:
raise error
md5 = re.split('[\.-]', each)[0]
msg_md5 = msg.md5()
self.assertEqual(md5, msg_md5,
"deserialization of %s failed:%s\nresult:%s"
% (each, msg, msg_md5))
counter += 1
print("...compliance ok, checked for %s messages" % counter)
