def _load(f: TextIOBase, close) -> Configuration:
# here's the thing -- it's just python!
try:
source = f.read()
finally:
if close:
f.close()
config = Configuration()
value_cap = ConfigHandler(config, config.is_config_value)
# capture configuration values
# the code should define a method called "configure"
# that method will be called with the config obj as the only argument
cfg_vars = {}
exec(source, cfg_vars)
if 'configure' not in cfg_vars:
raise KeyError(
"Configure code did not define a method named 'configure'")
cfg_vars['configure'](value_cap)
config.validate_values()
return config
def get_next_output_file(book_output_path: str,
current_output_file: TextIOBase = None):
global current_file_to_write
if current_output_file is not None:
current_output_file.close()
open_new_file(book_output_path)
return current_file_to_write
