from netaddr.compat import _zip
def chr_range(low, high):
"""Returns all characters between low and high chars."""
return [chr(i) for i in range(ord(low), ord(high) + 1)]
#: Base 85 integer index to character lookup table.
BASE_85 = (chr_range('0', '9') + chr_range('A', 'Z') + chr_range('a', 'z') + [
'!', '#', '$', '%', '&', '(', ')', '*', '+', '-', ';', '<', '=', '>', '?',
'@', '^', '_', '`', '{', '|', '}', '~'
])
#: Base 85 digit to integer lookup table.
BASE_85_DICT = dict(_zip(BASE_85, range(0, 86)))
def ipv6_to_base85(addr):
"""Convert a regular IPv6 address to base 85."""
ip = IPAddress(addr)
int_val = int(ip)
remainder = []
while int_val > 0:
remainder.append(int_val % 85)
int_val //= 85
encoded = ''.join([BASE_85[w] for w in reversed(remainder)])
leading_zeroes = (20 - len(encoded)) * "0"
return leading_zeroes + encoded
def chr_range(low, high):
"""Returns all characters between low and high chars."""
return [chr(i) for i in range(ord(low), ord(high) + 1)]
#: Base 85 integer index to character lookup table.
BASE_85 = (
chr_range('0', '9') + chr_range('A', 'Z') +
chr_range('a', 'z') +
['!', '#', '$', '%', '&', '(', ')', '*', '+', '-', ';', '<', '=', '>',
'?', '@', '^', '_', '`', '{', '|', '}', '~']
)
#: Base 85 digit to integer lookup table.
BASE_85_DICT = dict(_zip(BASE_85, range(0, 86)))
def ipv6_to_base85(addr):
"""Convert a regular IPv6 address to base 85."""
ip = IPAddress(addr)
int_val = int(ip)
remainder = []
while int_val > 0:
remainder.append(int_val % 85)
int_val //= 85
encoded = ''.join([BASE_85[w] for w in reversed(remainder)])
leading_zeroes = (20 - len(encoded)) * "0"
return leading_zeroes + encoded
def compact(self):
"""
Compact internal list of `IPNetwork` objects using a CIDR merge.
"""
cidrs = cidr_merge(list(self._cidrs))
self._cidrs = dict(_zip(cidrs, [True] * len(cidrs)))
def test_compat_zip():
l2 = _zip([0], [1])
assert hasattr(_zip(l2), 'pop')
assert l2 == [(0, 1)]
def compact(self):
"""
Compact internal list of L{IPNetwork} objects using a CIDR merge.
"""
cidrs = cidr_merge(list(self._cidrs))
self._cidrs = dict(_zip(cidrs, [True] * len(cidrs)))
def test_compat_zip():
l2 = _zip([0], [1])
assert hasattr(_zip(l2), 'pop')
assert l2 == [(0, 1)]
