The Mule
TheMule is an async task runner for python.
About
The purpose of this library is to run long running, heavy tasks in the background using cloud-native solutions. It's modular design allows you to use different backends for individual background tasks.
TheMule vs. Celery
TheMule is not intended to replace Celery. They play well together: Celery used to run small and fast tasks, while TheMule is used to run heavy and slow task.
| Design principal | TheMule | Celery |
|---|---|---|
| Worker lifecycle | One docker container per task | Long living worker process |
| Application codebase | Main application and worker can run from different docker images, but the syntax is simpler when they share the codebase | Main application and worker share codebase |
| Task assignment | Tasks can run on different backends; Tasks assignment is done in backend | Tasks can be assigned to workers with routing |
| Task queueing | Backend-specific | External queueing service (Redis, RabbitMQ) |
Available Backends
TheMule comes with pre-made backends and you can write your own.
AWS Batch
Installation: pip install themule[aws_batch]
Class path: themule.backends.AwsBatchBackend
Configuration:
| Job parameter | Env variable | Required | Default | Description |
|---|---|---|---|---|
| aws_batch_queue_name | THEMULE_AWS_BATCH_QUEUE_NAME | Yes | - | The name of AWS Batch queue |
| aws_batch_job_definition | THEMULE_AWS_BATCH_JOB_DEFINITION | Yes | - | The name of AWS Batch job definition |
Local Docker
Installation: pip install themule[docker]
Class path: themule.backends.LocalDockerBackend
Configuration:
| Job parameter | Env variable | Required | Default | Description |
|---|---|---|---|---|
| docker_image | THEMULE_DOCKER_IMAGE | Yes | - | The name of the Docker image |
| docker_entrypoint | THEMULE_DOCKER_ENTRYPOINT | No | None | Override of the container's entrypoint |
| docker_pass_environment | THEMULE_DOCKER_PASS_ENVIRONMENT | No | True | Passes application's env to worker container if true |
| docker_environment | THEMULE_DOCKER_ENVIRONMENT | No | None | Additional container environment variables |
| docker_auto_remove | THEMULE_DOCKER_AUTO_REMOVE | No | True | Removes the container after worker exit if true |
| run_options | THEMULE_DOCKER_RUN_OPTIONS | No | - | Allows to set docker run options |
1 maintainer
Metadata
1 maintainer
Release files for themule 0.3.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
|---|---|---|---|---|
| themule-0.3.0.tar.gz | 9.5 kB | Without provenance | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| themule-0.3.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 19.3 kB
Release files / themule-0.3.0.tar.gz
| Download URL | themule-0.3.0.tar.gz |
|---|---|
| Size | 9.5 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
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Release files / themule-0.3.0-py3-none-any.whl
| Download URL | themule-0.3.0-py3-none-any.whl |
|---|---|
| Size | 9.7 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
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No |
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twine/4.0.1 CPython/3.9.18
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Security for themule 0.3.0
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