Options in the pyglet.options
dictionary can have defaults set through the
operating system’s environment variable. The following table shows which
environment variable is used for each option:
Environment variable
pyglet.options
keyType
Default value
PYGLET_AUDIO
audio
List of strings
directsound,openal,alsa,silent
PYGLET_DEBUG_GL
debug_gl
Boolean
1
1
Defaults to 1
unless Python is run with -O
or from a
frozen executable.