class INIReader(object):
"""ConfigParser wrapper able to cast value when reading INI options."""
# Helper casters
cast_boolean = casts.Boolean()
cast_dict = casts.Dict()
cast_list = casts.List()
cast_logging_level = casts.LoggingLevel()
cast_tuple = casts.Tuple()
cast_webdriver_desired_capabilities = casts.WebdriverDesiredCapabilities()
def __init__(self, path):
self.config_parser = ConfigParser()
with open(path) as handler:
self.config_parser.readfp(handler)
if sys.version_info[0] < 3:
# ConfigParser.readfp is deprecated on Python3, read_file
# replaces it
self.config_parser.readfp(handler)
else:
self.config_parser.read_file(handler)
def get(self, section, option, default=None, cast=None):
"""Read an option from a section of a INI file.
The default value will return if the look up option is not available.
The value will be cast using a callable if specified otherwise a string
will be returned.
:param section: Section to look for.
:param option: Option to look for.
:param default: The value that should be used if the option is not
defined.
:param cast: If provided the value will be cast using the cast
provided.
"""
try:
value = self.config_parser.get(section, option)
if cast is not None:
if cast is bool:
value = self.cast_boolean(value)
elif cast is dict:
value = self.cast_dict(value)
elif cast is list:
value = self.cast_list(value)
elif cast is tuple:
value = self.cast_tuple(value)
else:
value = cast(value)
except (NoSectionError, NoOptionError):
value = default
return value
def has_section(self, section):
"""Check if section is available."""
return self.config_parser.has_section(section)
def setUp(self):
self.cast_boolean = casts.Boolean()
def cast_boolean(self):
"""An instance of casts.Boolean"""
return casts.Boolean()