common_funny Names in both a and b, such that the type differs between the directories, or names for which

common_dirs Subdirectories in both a and b.

tempfile.mkstemp(suffix=None, prefix=None, dir=None, text=False) Creates a temporary file in the most secure manner possible

fileinput.filelineno() Return the line number in the current file. Before the first line has been read, returns 0

os.path.normcase(path) Normalize the case of a pathname. On Unix and Mac OS X, this returns the path unchanged; on case-insensitive

os.path.relpath(path, start=os.curdir) Return a relative filepath to path either from the current directory or from

same_files Files which are identical in both a and b, using the class’s file comparison operator.

report_partial_closure() Print a comparison between a and b and common immediate subdirectories.

PurePath.drive A string representing the drive letter or name, if any:

shutil.ignore_patterns(*patterns) This factory function creates a function that can be used as a callable for copytree()‘s