Shelf.close() Synchronize and close the persistent dict object. Operations on a closed shelf will fail with a ValueError.

class collections.abc.MutableMapping ABCs for read-only and mutable mappings.

AbstractEventLoop.remove_reader(fd) Stop watching the file descriptor for read availability.

async_chat.push(data) Pushes data on to the channel’s fifo to ensure its transmission. This is all you need to do to have the channel write the data out to the network, although it is possible to use your own producers in more complex schemes to implement encryption and chunking, for example.

bytes.index(sub[, start[, end]]) bytearray.index(sub[, start[, end]]) Like find(), but raise ValueError when the subsequence is not found. The subsequence to search for may be any bytes-like object or an integer in the range 0 to 255. Changed in version 3.3: Also accept an integer in the range 0 to 255 as the subsequence.

is_normal(context=None) Return True if the argument is a normal finite number. Return False if the argument is zero, subnormal, infinite or a NaN.

email.utils.make_msgid(idstring=None, domain=None) Returns a string suitable for an RFC 2822-compliant Message-ID header. Optional idstring if given, is a string used to strengthen the uniqueness of the message id. Optional domain if given provides the portion of the msgid after the ‘@’. The default is the local hostname. It is not normally necessary to override this default, but may be useful certain cases, such as a constructing distributed system that uses a consistent domain name across

operator.__ixor__(a, b) a = ixor(a, b) is equivalent to a ^= b.

xml.sax.handler.feature_external_ges value: "http://xml.org/sax/features/external-general-entities" true: Include all external general (text) entities. false: Do not include external general entities. access: (parsing) read-only; (not parsing) read/write

ZipInfo.extract_version PKZIP version needed to extract archive.