exception configparser.DuplicateOptionError Exception raised by strict parsers if a single option appears twice during reading

exception configparser.InterpolationDepthError Exception raised when string interpolation cannot be completed because the number

exception configparser.InterpolationMissingOptionError Exception raised when an option referenced from a value does not exist

exception configparser.InterpolationError Base class for exceptions raised when problems occur performing string interpolation

netrc.macros Dictionary mapping macro names to string lists.

Dialect.skipinitialspace When

set(section, option, value) If the given section exists, set the given option to the specified value; otherwise raise

add_section(section) Add a section named section to the instance. If a section by the given name already exists,

Packer.pack_array(list, pack_item) Packs a variable length list of homogeneous items. First, the length of the list

Unpacker.unpack_opaque() Unpacks and returns a variable length opaque data string, similarly to unpack_string()