peng3d.config - Configuration system

peng3d.config.CFG_FOG_DEFAULT = {'color': None, 'enable': False, 'end': 160, 'start': 128}

Default fog configuration.

This configuration simply disables fog.

peng3d.config.CFG_LIGHT_DEFAULT = {'enable': False}

Default lighting configuration.

This configuration simply disables lighting.

peng3d.config.DEFAULT_CONFIG

Default configuration values.

All default configuration values are stored here, for more information about specific config values, see Configuration Options for peng3d.

class peng3d.config.Config(config=None, defaults=None)[source]

Configuration object imitating a dictionary.

config can be any dictionary-style object and is used to store the configuration set by the user. This object only needs to implement the __getitem__, __setitem__ and __contains__ special methods.

defaults can be any dictionary-style object and is only read from in case the config object does not contain the key. Every config object is stackable, e.g. you can pass another Config object as the defaults object.

Example for stacking configs:

>>> myconf = Config()
>>> myconf2 = Config(defaults=myconf)
>>> myconf["foo"] = "bar"
>>> print(myconf2["foo"])
bar
>>> myconf2["bar"] = "foo"
>>> print(myconf2["bar"])
foo
>>> print(myconf["bar"])
Traceback (most recent call last):
...
KeyError: Key "bar" does not exist

There is no limit in stacking configurations, though higher-stacked configs may get slow when defaulting due to propagating through the whole chain.