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"""
Configuration
"""
import os
class ConfigException(Exception):
"""
Configuration error. Maybe a missing config variable.
"""
class Config(object):
"""
The Config class handles all configuration for pokemontools. Other classes
and functions use a Config object to determine where expected files can be
located.
"""
def __init__(self, **kwargs):
"""
Store all parameters.
"""
self._config = {}
for (key, value) in kwargs.items():
if key not in self.__dict__:
self._config[key] = value
else:
raise ConfigException(
"Can't store \"{0}\" in configuration because the key conflicts with an existing property."
.format(key)
)
if "path" not in self._config:
self._config["path"] = os.getcwd()
# vba save states go into ./save-states/
if "save_state_path" not in self._config:
self._config["save_state_path"] = os.path.join(self._config["path"], "save-states/")
# assume rom is at ./baserom.gbc
if "rom" not in self._config:
self._config["rom_path"] = os.path.join(self._config["path"], "baserom.gbc")
def __getattr__(self, key):
"""
Grab the value from the class properties, then check the configuration,
and raise an exception if nothing works.
"""
if key in self.__dict__:
return self.__dict__[key]
elif key in self._config:
return self._config[key]
else:
raise ConfigException(
"no config found for \"{0}\"".format(key)
)
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