+ def argv_bytes(x):
+ """Return the original bytes passed to main() for an argv argument."""
+ return x
+
+ def bytes_from_uint(i):
+ return chr(i)
+
+ def bytes_from_byte(b):
+ return b
+
+ byte_int = ord
+
+ buffer = buffer
+
+ def join_bytes(x, y):
+ """Return the concatenated bytes or buffer arguments as bytes."""
+ if type(x) == buffer:
+ assert type(y) in (bytes, buffer)
+ return x + y
+ assert type(x) == bytes
+ if type(y) == bytes:
+ return b''.join((x, y))
+ assert type(y) in (bytes, buffer)
+ return buffer(x) + y
+
+
+def restore_lc_env():
+ # Once we're up and running with iso-8859-1, undo the bup-python
+ # LC_CTYPE hackery, so we don't affect unrelated subprocesses.
+ bup_lc_all = environ.get(b'BUP_LC_ALL')
+ if bup_lc_all:
+ del environ[b'LC_COLLATE']
+ del environ[b'LC_CTYPE']
+ del environ[b'LC_MONETARY']
+ del environ[b'LC_NUMERIC']
+ del environ[b'LC_TIME']
+ del environ[b'LC_MESSAGES']
+ del environ[b'LC_MESSAGES']
+ environ[b'LC_ALL'] = bup_lc_all
+ return
+ bup_lc_ctype = environ.get(b'BUP_LC_CTYPE')
+ if bup_lc_ctype:
+ environ[b'LC_CTYPE'] = bup_lc_ctype