calendar.monthrange(year, month) Returns weekday of first day of the month and number of days in month, for the specified year and month.

nis.cat(mapname, domain=default_domain) Return a dictionary mapping key to value such that match(key, mapname)==value. Note that both keys and values of the dictionary are arbitrary arrays of bytes. Note that mapname is first checked if it is an alias to another name. The domain argument allows overriding the NIS domain used for the lookup. If unspecified, lookup is in the default NIS domain.

class urllib.parse.ParseResultBytes(scheme, netloc, path, params, query, fragment) Concrete class for urlparse() results containing bytes data. The decode() method returns a ParseResult instance. New in version 3.2.

importlib.machinery.OPTIMIZED_BYTECODE_SUFFIXES A list of strings representing the file suffixes for optimized bytecode modules. New in version 3.3. Deprecated since version 3.5: Use BYTECODE_SUFFIXES instead.

date.toordinal() Return the proleptic Gregorian ordinal of the date, where January 1 of year 1 has ordinal 1. For any date object d, date.fromordinal(d.toordinal()) == d.

SubprocessProtocol.process_exited() Called when the child process has exited.

Event() Create a shared threading.Event object and return a proxy for it.

os.environb Bytes version of environ: a mapping object representing the environment as byte strings. environ and environb are synchronized (modify environb updates environ, and vice versa). environb is only available if supports_bytes_environ is True. New in version 3.2.

wfile Contains the output stream for writing a response back to the client. Proper adherence to the HTTP protocol must be used when writing to this stream.

epoll.register(fd[, eventmask]) Register a fd descriptor with the epoll object.