Send and receive messages without thinking about it
Send Amazon SQS messages without really thinking about it.
1 Minute Getting Started
Send and receive a
First, let's set our environment variable:
Second, let's create a
import morp class Foo(morp.Message): def target(self): # this will be run when a message is consumed print(self.fields)
Third, let's start our message consumer
$ morp --quiet
Fourth, let's send a message:
f = Foo() f.some_field = 1 f.some_other_field = 2 f.send()
And we're done, take a look in the example folder for the actual code.
You configure your connection using a dsn in the form:
So, to connect to SQS, you would do:
You can also override some default values like
If you would like to encrypt all your messages, you can pass in a
key argument to your dsn that either contains a key or a path to a key file and Morp will take care of encrypting and decrypting the messages for you transparently.
Let's just modify our dsn to pass in our key:
That's it, every message will now be encrypted on send and decrypted on receive.
What if you want to use Amazon's Key Management Service? Then just set the
KmsMasterKeyId value on your dsn:
You can also use your own key by using the key ID, which would be a value like:
XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXXX as the value for
By default every message will be sent, if you just want to test functionality without actually sending the message you can set this environment variable to turn off all the queues.
MORP_DISABLED = 1 # queue is off MORP_DISABLED = 0 # queue is on
By default, the queue name is just the class name, but if you would like to have that prefixed with something (eg,
dev) then you can set this environment variable and it will be prefixed to the queue name.
If you set the environment variable
MORP_DSN with your connection dsn, morp will automatically configure itself on first import.
I would like to have multiple queues
By default, Morp will send any message from any
morp.Message derived class to
Message.get_name(), you can override this behavior by giving your child class a
class childMsg(morp.Message): name = "custom-queue-name"
Now, you can have the Morp command line consumer read from that queue instead:
$ morp --quiet="" custom-queue-name
Use pip to install the latest stable version:
pip install morp
To install the development version:
pip install -U "git+https://github.com/Jaymon/morp#egg=morp"
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