ZipInfo.header_offset Byte offset to the file header.

exception tarfile.ReadError Is raised when a tar archive is opened, that either cannot be handled by the tarfile module or is somehow invalid.

json.dump(obj, fp, skipkeys=False, ensure_ascii=True, check_circular=True, allow_nan=True, cls=None, indent=None, separators=None, default=None, sort_keys=False, **kw) Serialize obj as a JSON formatted stream to fp (a .write()-supporting file-like object) using this conversion table. If skipkeys is true (default: False), then dict keys that are not of a basic type (str, int, float, bool, None) will be skipped instead of raising a TypeError. The json module always produces str objects, not by

copyreg.constructor(object) Declares object to be a valid constructor. If object is not callable (and hence not valid as a constructor), raises TypeError.

class urllib.request.CacheFTPHandler Open FTP URLs, keeping a cache of open FTP connections to minimize delays.

items() Return a list of 2-tuples containing all the message’s field headers and values.

radiogroup(name, x, y, width, height, attributes, property, text, next_control) Add and return a RadioButtonGroup control.

unicodedata.unidata_version The version of the Unicode database used in this module.

find_module(fullname[, path]) Search for a module specified by fullname. fullname must be the fully qualified (dotted) module name. It returns the zipimporter instance itself if the module was found, or None if it wasn’t. The optional path argument is ignored—it’s there for compatibility with the importer protocol.

class io.IncrementalNewlineDecoder A helper codec that decodes newlines for universal newlines mode. It inherits codecs.IncrementalDecoder.