django-luigi 0.2.5

Creator: codyrutscher

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djangoluigi 0.2.5

=====luigi=====Luigi is a simple Django app to be able to link Django to the workflow manager luigi.Quick start-----------1. Add 'django_luigi' to you INSTALLED_APPS settings like this:: INSTALLED_APP = [... 'django_luigi', ]2. Create your `app` and `models` in Django as usual3. Run `python manage.py migrate` to create the models.You can know create objects in your luigi pipeline.Assuming a django model Test in the test app with two CharField, item1, and item2, properly migrated.. code-block:: python from django.db import models class Test(models.Model): item1 = models.CharField(max_length=120) item2 = models.CharField(max_length=120)Here is a minimal example of a job to copy data to database using Django :.. code-block:: python import luigi from django_luigi.django import ToORM class TestTask(ToORM): django_root = 'path_to_your_django_root' # Where manage.py is settings_path = 'my_site.settings' model = 'Test' app = 'test' def rows(self): for row in [("item1", "property1"), ("item2", "property2")]: yield row if __name__ == '__main__': task = TestTask() luigi.build([task], local_scheduler=True)In the above examples, the data that needs to be copied was directly provided byoverriding the rows method. Alternately, if the data comes from another task, themodified example would look as shown below:.. code-block:: python import luigi from django_luigi.django import ToORM from luigi.mock import MockTarget class BaseTask(luigi.Task): def output(self): return MockTarget("BaseTask") def run(self): out = self.output().open("w") TASK_LIST = ["item%d\tproperty%d\n" % (i, i) for i in range(1,3)] for task in TASK_LIST: out.write(task) out.close() class TestTask(ToORM): django_root = 'path_to_your_django_root' # Where manage.py is settings_path = 'my_site.settings' model = 'Test' app = 'test' def requires(self): return BaseTask() if __name__ == '__main__': task1, task2 = TestTask(), BaseTask() luigi.build([task1, task2], local_scheduler=True)

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