4.1 Task

4.1.1 Overall

class task.Dependency

Note

This attributes and methods are basic task configuration.

Task.dependencys

List of all dependecys. This attribute must be reimplemented.

Task.output_file

Path to a file which will be created. This file will be checked testing which file is newwer.

Task.build()

What to do with this task to rebuild it. This method needs to be reimplemented after inheriting.

4.1.2 Dependency methods

Note

This methods creates dependency, that can be used in different tasks.

classmethod Task.dependency_FileExists()

Dependency that will run this task if not crated before.

Returns:dependency

classmethod Task.dependency_FileChanged()

Dependency that will run this task if nessesery and return True if file is newwer then task.output_file.

Returns:dependency

4.1.3 Inner methods

Note

This methods describe how the inner mechanizm works. This section is only for advaced users.

classmethod Task.name()

Returns:name of the tasks provided by class value _name, or just classname if _name is None. Return type:str

classmethod Task._get_runned()

Was this task runned.

classmethod Task._set_runned(value)

Sets runned flag.

Parameters:value – bool flag

classmethod Task.test_dependencys([dependency_force=False])

Test all dependency of the task and rebuild the dependency tasks.

Parameters:dependency_force – force dependency of task to rebuild Returns:True if this task needs to be rebuilded. Return type:bool

classmethod Task.run([log_uptodate=True, force=False, dependency_force=False, parent=None])

Test dependency of this task, and rebuild it if nessesery.

Parameters:

• log_uptodate – show ‘task is up to date’ information
• force – force task to rebuild
• dependency_force – force dependency of task to rebuild
• parent – parent task which invoked this one

Returns:

True if this task needs to be rebuilded.

Return type:

bool

4.1.4 Graph specyfic methods

Note

This methods are responsible for drawing a graph.

classmethod Task.write_graph_detailed(datalog)

Writes graph data (in dot language) to datalog file pipe.

classmethod Task.get_graph_details()

Returns graph data details (in dot language) of task object.

Return type:str