# django-temporalio
___
A small Django app that provides helpers for integrating [Temporal.io](https://temporal.io/) with Django.
## Features
- Registry: Provides a registry that holds mappings between queue names and registered activities and workflows.
- Management Commands: Includes management commands to manage Temporal.io workers and sync schedules.
## Installation
You can install `django_temporalio` using pip:
```bash
$ pip install django-temporalio
```
Add `django_temporalio` to your `INSTALLED_APPS`:
```python
INSTALLED_APPS = [
...
'django_temporalio.apps.DjangoTemporalioConfig',
...
]
```
Add the following settings to your `settings.py`:
```python
from temporalio.worker import WorkerConfig
DJANGO_TEMPORALIO = {
"URL": "localhost:7233",
"BASE_MODULE": "path.to.module",
"WORKER_CONFIGS": {
"main": WorkerConfig(
task_queue="MAIN_TASK_QUEUE",
...
),
...
},
}
```
## Usage
Activities, workflows and schedules should be placed inside the base module defined by the `BASE_MODULE` setting,
preferably outside of any Django application, in order to keep the uses of
the [imports_passed_through](https://python.temporal.io/temporalio.workflow.unsafe.html) context manager encapsulated
inside the module, along with Temporal.io related code.
### Workflow and Activity Registry
The registry is a singleton that holds mappings between queue names and registered activities and workflows.
You can register activities and workflows using the `register` method.
Activities and workflows should be declared in modules matching the following patterns `*workflows*.py` and
`*activities*.py` respectively.
```python
from temporalio import activity, workflow
from django_temporalio.registry import queue_activities, queue_workflows
@queue_activities.register("HIGH_PRIORITY_TASK_QUEUE", "MAIN_TASK_QUEUE")
@activity.defn
def my_activity():
pass
@queue_workflows.register("HIGH_PRIORITY_TASK_QUEUE", "MAIN_TASK_QUEUE")
@workflow.defn
class MyWorkflow:
pass
```
### Schedule Registry
You can register schedules using the `register` method.
Schedules should be declared in `schedules.py` module.
```python
from django_temporalio.registry import schedules
from temporalio.client import Schedule
schedules.register("do-cool-stuff-every-hour", Schedule(...))
```
### Management Commands
To see a queue's registered activities and workflows:
```bash
$ ./manage.py show_temporalio_queue_registry
```
To start a worker defined in the settings (for production):
```bash
$ ./manage.py start_temporalio_worker <worker_name>
```
To start a worker for development (starts a worker for each registered queue, WORKER_CONFIGS setting is ignored):
```bash
$ ./manage.py start_temporalio_worker --all
```
To sync schedules with Temporal.io:
```bash
$ ./manage.py sync_temporalio_schedules
```
To see what sync operation would do without actually syncing:
```bash
$ ./manage.py sync_temporal_schedules --dry-run
```
## Configuration
You can configure the app using the following settings:
DJANGO_TEMPORALIO: A dictionary containing the following keys:
- URL: The Temporal.io host to connect to, defaults to `http://localhost:7233`
- NAMESPACE: The Temporal.io namespace to use, defaults to `default`
- WORKER_CONFIGS: A dictionary containing worker configurations.
The key is the worker name and the value is a `WorkerConfig` instance.
- BASE_MODULE: A python module that holds workflows, activities and schedules, defaults to `None`
## 1.0.0 (2024-05-16)
* Initial release
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"description": "# django-temporalio\n___\n\nA small Django app that provides helpers for integrating [Temporal.io](https://temporal.io/) with Django.\n\n## Features\n\n- Registry: Provides a registry that holds mappings between queue names and registered activities and workflows.\n- Management Commands: Includes management commands to manage Temporal.io workers and sync schedules.\n\n## Installation\n\nYou can install `django_temporalio` using pip:\n\n```bash\n$ pip install django-temporalio\n```\n\nAdd `django_temporalio` to your `INSTALLED_APPS`:\n\n```python\nINSTALLED_APPS = [\n ...\n 'django_temporalio.apps.DjangoTemporalioConfig',\n ...\n]\n```\n\nAdd the following settings to your `settings.py`:\n\n```python\nfrom temporalio.worker import WorkerConfig\n\nDJANGO_TEMPORALIO = {\n \"URL\": \"localhost:7233\",\n \"BASE_MODULE\": \"path.to.module\",\n \"WORKER_CONFIGS\": {\n \"main\": WorkerConfig(\n task_queue=\"MAIN_TASK_QUEUE\",\n ...\n ),\n ...\n },\n}\n```\n\n## Usage\n\nActivities, workflows and schedules should be placed inside the base module defined by the `BASE_MODULE` setting, \npreferably outside of any Django application, in order to keep the uses of \nthe [imports_passed_through](https://python.temporal.io/temporalio.workflow.unsafe.html) context manager encapsulated \ninside the module, along with Temporal.io related code.\n\n### Workflow and Activity Registry\n\nThe registry is a singleton that holds mappings between queue names and registered activities and workflows.\nYou can register activities and workflows using the `register` method. \n\nActivities and workflows should be declared in modules matching the following patterns `*workflows*.py` and \n`*activities*.py` respectively. \n\n```python\nfrom temporalio import activity, workflow\nfrom django_temporalio.registry import queue_activities, queue_workflows\n\n@queue_activities.register(\"HIGH_PRIORITY_TASK_QUEUE\", \"MAIN_TASK_QUEUE\")\n@activity.defn\ndef my_activity():\n pass\n\n@queue_workflows.register(\"HIGH_PRIORITY_TASK_QUEUE\", \"MAIN_TASK_QUEUE\")\n@workflow.defn\nclass MyWorkflow:\n pass\n```\n\n### Schedule Registry\n\nYou can register schedules using the `register` method. \n\nSchedules should be declared in `schedules.py` module.\n\n```python\nfrom django_temporalio.registry import schedules\nfrom temporalio.client import Schedule\n\n\nschedules.register(\"do-cool-stuff-every-hour\", Schedule(...))\n```\n\n### Management Commands\n\nTo see a queue's registered activities and workflows:\n\n```bash\n$ ./manage.py show_temporalio_queue_registry\n```\n\nTo start a worker defined in the settings (for production):\n\n```bash\n$ ./manage.py start_temporalio_worker <worker_name>\n```\n\nTo start a worker for development (starts a worker for each registered queue, WORKER_CONFIGS setting is ignored):\n\n```bash\n$ ./manage.py start_temporalio_worker --all\n```\n\nTo sync schedules with Temporal.io:\n\n```bash\n$ ./manage.py sync_temporalio_schedules\n```\n\nTo see what sync operation would do without actually syncing:\n\n```bash\n$ ./manage.py sync_temporal_schedules --dry-run\n```\n\n## Configuration\n\nYou can configure the app using the following settings:\n\nDJANGO_TEMPORALIO: A dictionary containing the following keys:\n\n- URL: The Temporal.io host to connect to, defaults to `http://localhost:7233`\n- NAMESPACE: The Temporal.io namespace to use, defaults to `default`\n- WORKER_CONFIGS: A dictionary containing worker configurations. \n The key is the worker name and the value is a `WorkerConfig` instance.\n- BASE_MODULE: A python module that holds workflows, activities and schedules, defaults to `None`\n\n\n## 1.0.0 (2024-05-16)\n\n* Initial release\n",
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