from __future__ import absolute_import, print_function
from array import array
+from binascii import hexlify
from traceback import print_exception
import sys
if py3:
+ from os import environb as environ
+
+ lc_ctype = environ.get(b'LC_CTYPE')
+ if lc_ctype and lc_ctype.lower() != b'iso-8859-1':
+ # Because of argv, options.py, pwd, grp, and any number of other issues
+ print('error: bup currently only works with ISO-8859-1, not LC_CTYPE=%s'
+ % lc_ctype.decode(),
+ file=sys.stderr)
+ print('error: this should already have been arranged, so indicates a bug',
+ file=sys.stderr)
+ sys.exit(2)
+
+ from os import fsencode
from shlex import quote
range = range
str_type = str
+ int_types = (int,)
+
+ def hexstr(b):
+ """Return hex string (not bytes as with hexlify) representation of b."""
+ return b.hex()
def add_ex_tb(ex):
"""Do nothing (already handled by Python 3 infrastructure)."""
def items(x):
return x.items()
+ def argv_bytes(x):
+ """Return the original bytes passed to main() for an argv argument."""
+ return fsencode(x)
+
def bytes_from_uint(i):
return bytes((i,))
def join_bytes(*items):
"""Return the concatenated bytes or memoryview arguments as bytes."""
- return b''.join(*items)
+ return b''.join(items)
else: # Python 2
+ def fsencode(x):
+ return x
+
from pipes import quote
+ from os import environ
range = xrange
str_type = basestring
+ int_types = (int, long)
+
+ hexstr = hexlify
def add_ex_tb(ex):
"""Add a traceback to ex if it doesn't already have one. Return ex.
def items(x):
return x.iteritems()
+ 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)
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
+
def wrap_main(main):
"""Run main() and raise a SystemExit with the return value if it
returns, pass along any SystemExit it raises, convert