def walk_lockstep(self, down_loc, dest_parent):
if down_loc != self.fname:
raise ValueError(down_loc, self.fname)
dest_loc = os.path.join(dest_parent, unix_basename(down_loc))
for (dirpath, dirnames, filenames) in os.walk(down_loc):
if dirpath == down_loc:
d2 = dest_loc
else:
d2 = os.path.join(dest_loc, os.path.relpath(dirpath, down_loc))
# Happens when transitioning from shallow symlinks,
# maybe we should error out anyway.
if os.path.lexists(d2):
if not os.path.isdir(d2):
LOGGER.warn('%s already exists and isn\'t a directory', d2)
# Prevent recursion
dirnames[:] = []
continue
else:
os.mkdir(d2)
for fname in filenames:
src = os.path.join(dirpath, fname)
dest = os.path.join(d2, fname)
yield src, dest
def __init__(self, fname, name=None):
self.fname = fname
if name is None:
self.name = unix_basename(fname)
else:
self.name = name
