def tree_to_stream(entries, write): """Write the give list of entries into a stream using its write method :param entries: **sorted** list of tuples with (binsha, mode, name) :param write: write method which takes a data string""" ord_zero = ord('0') bit_mask = 7 # 3 bits set for binsha, mode, name in entries: mode_str = b'' for i in xrange(6): mode_str = bchr(((mode >> (i * 3)) & bit_mask) + ord_zero) + mode_str # END for each 8 octal value # git slices away the first octal if its zero if byte_ord(mode_str[0]) == ord_zero: mode_str = mode_str[1:] # END save a byte # here it comes: if the name is actually unicode, the replacement below # will not work as the binsha is not part of the ascii unicode encoding - # hence we must convert to an utf8 string for it to work properly. # According to my tests, this is exactly what git does, that is it just # takes the input literally, which appears to be utf8 on linux. if isinstance(name, text_type): name = name.encode(defenc) write(b''.join((mode_str, b' ', name, b'\0', binsha)))
def tree_to_stream(entries, write): """Write the give list of entries into a stream using its write method :param entries: **sorted** list of tuples with (binsha, mode, name) :param write: write method which takes a data string""" ord_zero = ord('0') bit_mask = 7 # 3 bits set for binsha, mode, name in entries: mode_str = b'' for i in xrange(6): mode_str = bchr(( (mode >> (i * 3)) & bit_mask) + ord_zero) + mode_str # END for each 8 octal value # git slices away the first octal if its zero if byte_ord(mode_str[0]) == ord_zero: mode_str = mode_str[1:] # END save a byte # here it comes: if the name is actually unicode, the replacement below # will not work as the binsha is not part of the ascii unicode encoding - # hence we must convert to an utf8 string for it to work properly. # According to my tests, this is exactly what git does, that is it just # takes the input literally, which appears to be utf8 on linux. if isinstance(name, text_type): name = name.encode(defenc) write(b''.join((mode_str, b' ', name, b'\0', binsha)))