def tail_file(self, file_uuid, num_lines=10):
'''
Read the last num_lines lines from the given file uuid.
Return an empty buffer if and only if this file handle is at EOF.
'''
file_handle = self.file_handles[file_uuid]
return xmlrpclib.Binary(file_util.tail(file_handle));
def tail_file(self, target):
(bundle_spec, subpath) = target
file_handle = self.open_target(target)
with contextlib.closing(file_handle):
# Print last 10 lines
tail = file_util.tail(file_handle)
print tail
def read_line():
return file_handle.readline()
return self.watch(bundle_spec, [read_line])
