python.emptydir Namespace Reference

Functions
def	main
def	help
def	emptydir
def	rmdir

Variables
tuple	Ifdh = ifdh.ifdh()
tuple	rc = main(sys.argv)

Function Documentation

def python.emptydir.emptydir	(		dir,
			verbose
	)

Definition at line 104 of file emptydir.py.

def emptydir(dir, verbose):

    # Remove trailing '/' character(s), if any (except if or until entire path is '/').

    while len(dir) > 1 and dir[-1] == '/':
        dir = dir[:-1]

    # Get contents of directory.

    files = []
    try:
        files = Ifdh.ls(dir, 1)
    except:
        files = []
        print('Caught exception from Ifdh.ls for directory %s.' % dir)

    # First pass: delete files.

    for file in files:

        # Ifdh signals that a file is a directory by ending the path with '/'.

        if file[-1] != '/':
            if verbose:
                print('Deleting %s' % file)
            try:
                Ifdh.rm(file)
            except:
                print('Caught exception from Ifdh.rm for file %s.' % file)
                

    # Second pass: delete subdirectories.

    first = True
    for subdir in files:

        # Ifdh signals that a file is a directory by ending the path
        # with '/'.  Ifdh seems to include the directory itself in its
        # listing.  Furthermore, it can be hard to recognize that a
        # listed path is identical with the original directory.
        # However, ifdh seems to always return the directory itself as
        # the first element of its listing (not sure if this is
        # documented behavior.  Therefore, we only delete the first
        # returned element if its basename doesn't match the basename
        # of the original directory.

        if subdir[-1] == '/':
            if not first or os.path.basename(subdir[:-1]) != os.path.basename(dir):
                rmdir(subdir[:-1], verbose)
            first = False


# Function to recursively delete a directory.