/doc/decorators/follows.rst
https://code.google.com/p/ruffus/ · ReStructuredText · 69 lines · 44 code · 25 blank · 0 comment · 0 complexity · a0f2e0a15ce3e40d3f4698ffede55253 MD5 · raw file
- .. include:: ../global.inc
- .. _decorators.follows:
- .. index::
- pair: @follows; Syntax
- .. seealso::
- * :ref:`Decorators <decorators>` for more decorators
- * More on @follows in the ``Ruffus`` :ref:`Manual <manual.follows>`
- ############
- @follows
- ############
- .. |task| replace:: `task`
- .. _task: `decorators.follows.task`_
- .. |task_name| replace:: `"task_name"`
- .. _task_name: `decorators.follows.task_name`_
- .. |directory_name| replace:: `directory_name`
- .. _directory_name: `decorators.follows.directory_name`_
- ***************************************************************************************************************************************************
- *@follows*\ (|task|_ | |task_name|_ | :ref:`mkdir<decorators.mkdir>` (|directory_name|_), [more_tasks, ...])
- ***************************************************************************************************************************************************
- **Purpose:**
-
- Indicates task dependencies
- **Example**::
-
- def task1():
- print "doing task 1"
-
- @follows(task1)
- def task2():
- print "doing task 2"
- **Parameters:**
-
- .. _decorators.follows.task:
-
- * *task*:
- a list of tasks which have to be run **before** this function
-
- .. _decorators.follows.task_name:
-
- * *"task_name"*:
- Dependencies can be quoted function names.
- Quoted function names allow dependencies to be added before the function is defined.
- Functions in other modules need to be fully qualified.
-
-
- .. _decorators.follows.directory_name:
-
- * *directory_name*:
- Directories which need to be created (if they don't exist) before
- the task is run can be specified via a ``mkdir`` indicator object:
- ::
- @follows(task_x, mkdir("/output/directory") ...)
- def task():
- pass