cement.core.extension
¶
Cement core extensions module.
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class
cement.core.extension.
IExtension
¶ Bases:
cement.core.interface.Interface
This class defines the Extension Handler Interface. Classes that implement this handler must provide the methods and attributes defined below.
Implementations do not subclass from interfaces.
Usage:
from cement.core import extension class MyExtensionHandler(object): class Meta: interface = extension.IExtension label = 'my_extension_handler' ...
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class
IMeta
¶ Bases:
object
Interface meta-data.
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label
= 'extension'¶ The string identifier of the interface.
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validator
(klass, obj)¶ The interface validator function.
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IExtension.
_setup
(app_obj)¶ The _setup function is called during application initialization and must ‘setup’ the handler object making it ready for the framework or the application to make further calls to it.
Parameters: app_obj – The application object. Returns: None
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IExtension.
load_extension
(ext_module)¶ Load an extension whose module is ‘ext_module’. For example, ‘cement.ext.ext_configobj’.
Parameters: ext_module ( str
) – The name of the extension to load.
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IExtension.
load_extensions
(ext_list)¶ Load all extensions from ext_list.
Parameters: ext_list ( list
) – A list of extension modules to load. For example:['cement.ext.ext_configobj', 'cement.ext.ext_logging']
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class
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cement.core.extension.
extension_validator
(klass, obj)¶ Validates an handler implementation against the IExtension interface.