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from inspect import isclass, ismodule
from ranger.ext.openstruct import OpenStruct
from ranger.gui.colorscheme import ColorScheme
ALLOWED_SETTINGS = """
show_hidden scroll_offset directories_first
preview_files max_history_size colorscheme
apps keys
""".split()
# overwrite single default options with custom options
from ranger.defaults import options
try:
import options as custom_options
for setting in ALLOWED_SETTINGS:
if hasattr(custom_options, setting):
setattr(options, setting, getattr(custom_options, setting))
elif not hasattr(options, setting):
raise Exception("Following option was not defined: " + setting)
except ImportError:
pass
# If a module is specified as the colorscheme, replace it with one
# valid colorscheme inside that module.
if isclass(options.colorscheme) and \
issubclass(options.colorscheme, ColorScheme):
options.colorscheme = options.colorscheme()
elif ismodule(options.colorscheme):
for var_name in dir(options.colorscheme):
var = getattr(options.colorscheme, var_name)
if var != ColorScheme and isclass(var) and issubclass(var, ColorScheme):
options.colorscheme = var()
break
else:
raise Exception("The given colorscheme module contains no valid colorscheme!")
else:
raise Exception("Cannot locate colorscheme!")
# -- globalize the settings --
class SettingsAware(object):
settings = OpenStruct()
for setting in ALLOWED_SETTINGS:
SettingsAware.settings[setting] = getattr(options, setting)
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