/usr/lib/python3/dist-packages/wormhole/util.py is in magic-wormhole 0.10.3-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | # No unicode_literals
import os, json, unicodedata
from binascii import hexlify, unhexlify
def to_bytes(u):
return unicodedata.normalize("NFC", u).encode("utf-8")
def bytes_to_hexstr(b):
assert isinstance(b, type(b""))
hexstr = hexlify(b).decode("ascii")
assert isinstance(hexstr, type(u""))
return hexstr
def hexstr_to_bytes(hexstr):
assert isinstance(hexstr, type(u""))
b = unhexlify(hexstr.encode("ascii"))
assert isinstance(b, type(b""))
return b
def dict_to_bytes(d):
assert isinstance(d, dict)
b = json.dumps(d).encode("utf-8")
assert isinstance(b, type(b""))
return b
def bytes_to_dict(b):
assert isinstance(b, type(b""))
d = json.loads(b.decode("utf-8"))
assert isinstance(d, dict)
return d
def estimate_free_space(target):
# f_bfree is the blocks available to a root user. It might be more
# accurate to use f_bavail (blocks available to non-root user), but we
# don't know which user is running us, and a lot of installations don't
# bother with reserving extra space for root, so let's just stick to the
# basic (larger) estimate.
try:
s = os.statvfs(os.path.dirname(os.path.abspath(target)))
return s.f_frsize * s.f_bfree
except AttributeError:
return None
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