doc is ready for the new api refactoring
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@ -4,8 +4,11 @@
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Configuration handling basics
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===============================
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`Config` and `Option` objects
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================================
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Tiramisu is designed with three main objects :
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- :class:`tiramisu.config.Config` witch is the whole configuration entry point
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- :class:`tiramisu.option.Option` stands for the option type
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- :class:`tiramisu.option.OptionDescription` stands for the description (the schema)
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Accessing the configuration `Option`'s
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-----------------------------------------
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@ -62,20 +65,6 @@ What if a value has been set and `None` is to be returned again ? Don't
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worry, an option value can be "reseted" with the help of the `option.Option.reset()`
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method.
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If you do not want to use the pythonic way, that is the attribute access
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way to obtain the value of the configuration option, you can also search
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for it recursively in the whole config namespaces with the ``get()``
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method :
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::
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>>> config.get('bool')
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True
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To find the right option, `get()` searches recursively into the whole
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tree. For example, to find an option which is in the `gc` namespace
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there are two possibilites.
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If you know the path:
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::
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@ -83,13 +72,6 @@ If you know the path:
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>>> config.gc.dummy
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False
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If you don't remember the path:
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::
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>>> config.get('dummy')
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False
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Setting the values of the options
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----------------------------------------
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@ -101,13 +83,6 @@ the first one is of course the `__setattr__` method
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cfg.name = value
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wich has the same effect that the "global" `set()` method (it expects that
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the value owner is the default)
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::
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cfg.set(name=value)
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.. module:: tiramisu.config
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The handling of options is split into two parts: the description of
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@ -117,12 +92,8 @@ bundled into a configuration object which has a reference to its option
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description (and therefore makes sure that the configuration values
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adhere to the option description).
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The configuration object important methods
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---------------------------------------------
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`config.Config()` object that lives in `config.py` hold the
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choosen values for the options (or the default value for the
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`option.Option()` object, if no choice was made).
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Configuration's interesting methods
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------------------------------------------
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A `Config` object is informed by an `option.OptionDescription`
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instance. The attributes of the ``Config`` objects are the names of the
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@ -130,26 +101,6 @@ children of the ``OptionDescription``.
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Here are the (useful) methods on ``Config``:
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.. currentmodule:: tiramisu.config
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.. autoclass:: Config
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.. automethod:: __init__
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.. rubric:: Methods
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.. autosummary::
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~Config.__init__
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~Config.set
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.. automethod:: set
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We can see that values can also be config objects, it's the
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sub-namespaces that are stored in the values as `Config()` objects.
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convenience utilities (iteration, exports...)
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-----------------------------------------------
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With this `config.Config()` configuration management entry point,
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it is possible to
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@ -165,7 +116,7 @@ way, that is something like `[(name, value) for name, value in config]`.
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To iter on groups in the same manner, use the
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`config.Config.iter_groups()` method wich yields generators too.
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**iteration utilities**
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.. currentmodule:: tiramisu.config
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.. autoclass:: Config
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@ -175,16 +126,12 @@ To iter on groups in the same manner, use the
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.. autosummary::
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~Config.get
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~Config.find
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~Config.find_first
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~Config.getpaths
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~Config.iter_groups
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~Config.__iter__
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.. automethod:: get
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.. automethod:: find
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.. automethod:: find_first
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.. automethod:: getpaths
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.. automethod:: iter_groups
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.. automethod:: __iter__
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@ -1,6 +1,6 @@
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.. default-role:: literal
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The global configuration's consistency
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The global consistency
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========================================
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Identical option names
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@ -71,5 +71,5 @@ So by now, we have
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:class:`tiramisu.option.BoolOption()`.
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Configuration option objects :class:`tiramisu.config.Config()` are produced at
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the entry points and handed down to where they are actually used. This keeps
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configuration local but available everywhere and consistent.
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the entry point and then handed down to where they are actually used. This
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keeps configuration local but available everywhere and consistent.
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@ -1,6 +1,6 @@
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.. default-role:: literal
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glossary
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Glossary
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==========
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.. glossary::
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@ -43,8 +43,8 @@ glossary
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acces rules
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Access rules are : `config.Config.cfgimpl_read_write()` or
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`config.Config.cfgimpl_read_only()`, see :doc:`status`
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Access rules are : `config.Config.read_write()` or
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`config.Config.read_only()`, see :doc:`status`
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.. glossary::
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@ -1,7 +1,7 @@
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.. default-role:: literal
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The `tiramisu.option.Option` options
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======================================
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The options
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===============
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Description of Options
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----------------------
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@ -20,33 +20,23 @@ The `OptionDescription` class
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.. module:: tiramisu.option
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.. autoclass: OptionDescription
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.. autoclass:: OptionDescription
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:special-members:
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:members:
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.. automethod:: __init__
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.. rubric:: Methods
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.. autosummary::
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~Config.__init__
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~Config.set_group_type
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.. automethod:: set_group_type
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`Options description` objects lives in the :class:`tiramisu.config.Config` attribute.
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If you need to access an option object, you can do it with the OptionDescription
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object. Not only the value of the option by attribute access, but the option
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object itself that lives behind the scene. It can always be accessed internally
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with the `_cfgimpl_descr` attribute of the `config` objects. For example, with a
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with the `impl_descr` attribute of the `config` objects. For example, with a
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option named `name` in a `gc` group the `name` object can be accessed like
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this::
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conf._cfgimpl_descr.name
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conf._impl_descr.name
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of sub configs with ::
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conf.gc._cfgimpl_descr.name
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conf.gc._impl_descr.name
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This is a binding. The option objects are in the `_children` config's attribute.
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@ -55,7 +45,7 @@ configuration option
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::
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conf.gc._cfgimpl_descr.dummy.freeze()
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conf.gc._impl_descr.dummy.freeze()
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or to hide it, or disable it, or... anything.
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@ -110,6 +100,3 @@ configuration, that is :
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.. autoclass:: ChoiceOption
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.. automethod:: __init__
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@ -3,7 +3,7 @@
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.. TODO: STATUS and settings explained
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Configuration status
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The statuses
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======================
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Available configuration statuses
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possible to modify a disabled option.
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To enable read-write status, call
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`setting.Setting.read_write()`
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`congi.Config.read_write()`
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**read only status**
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The configuration has not an access to the hidden options
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but can read the disabled options.
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To enable read only status, call `setting.Setting.read_only()`
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To enable read only status, call `config.Config.read_only()`
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.. csv-table:: **Configuration's statuses summary**
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:header: " ", "Hidden", "Disabled", "Mandatory"
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@ -108,6 +108,7 @@ class Option(BaseInformation):
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:param validator: the name of a function wich stands for a custom
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validation of the value
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:param validator_args: the validator's parameters
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"""
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if not valid_name(name):
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raise ValueError(_("invalid name: {0} for option").format(name))
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class OptionDescription(BaseInformation):
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"""Config's schema (organisation, group) and container of Options"""
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"""Config's schema (organisation, group) and container of Options
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The `OptionsDescription` objects lives in the `tiramisu.config.Config`.
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"""
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__slots__ = ('_name', '_requires', '_cache_paths', '_group_type',
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'_properties', '_children', '_consistencies')
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def __init__(self, name, doc, children, requires=None, properties=None):
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"""
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:param children: is a list of option descriptions (including
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``OptionDescription`` instances for nested namespaces).
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:param children: a list of options (including option descriptions)
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"""
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if not valid_name(name):
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raise ValueError(_("invalid name: {0} for option descr").format(name))
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