def numbits_union(numbits1, numbits2):
"""Compute the union of two numbits.
Returns:
A new numbits, the union of `numbits1` and `numbits2`.
"""
byte_pairs = zip_longest(bytes_to_ints(numbits1), bytes_to_ints(numbits2), fillvalue=0)
return _to_blob(binary_bytes(b1 | b2 for b1, b2 in byte_pairs))
def numbits_intersection(numbits1, numbits2):
"""Compute the intersection of two numbits.
Returns:
A new numbits, the intersection `numbits1` and `numbits2`.
"""
byte_pairs = zip_longest(bytes_to_ints(numbits1), bytes_to_ints(numbits2), fillvalue=0)
intersection_bytes = binary_bytes(b1 & b2 for b1, b2 in byte_pairs)
return _to_blob(intersection_bytes.rstrip(b'\0'))
def test_running_pyc_from_wrong_python(self):
pycfile = self.make_pyc()
# Jam Python 2.1 magic number into the .pyc file.
with open(pycfile, "r+b") as fpyc:
fpyc.seek(0)
fpyc.write(binary_bytes([0x2a, 0xeb, 0x0d, 0x0a]))
with self.assertRaisesRegex(NoCode, "Bad magic number in .pyc file"):
run_python_file(pycfile, [pycfile])
def test_running_pyc_from_wrong_python(self):
pycfile = self.make_pyc()
# Jam Python 2.1 magic number into the .pyc file.
with open(pycfile, "r+b") as fpyc:
fpyc.seek(0)
fpyc.write(binary_bytes([0x2a, 0xeb, 0x0d, 0x0a]))
with self.assertRaisesRegex(NoCode, "Bad magic number in .pyc file"):
run_python_file(pycfile, [pycfile])
def test_running_pyc_from_wrong_python(self):
pycfile = self.make_pyc()
# Jam Python 2.1 magic number into the .pyc file.
fpyc = open(pycfile, "r+b")
fpyc.seek(0)
fpyc.write(binary_bytes([0x2A, 0xEB, 0x0D, 0x0A]))
fpyc.close()
self.assertRaisesRegexp(NoCode, "Bad magic number in .pyc file", run_python_file, pycfile, [pycfile])
def numbits_union(numbits1, numbits2):
"""Compute the union of two numbits.
Arguments:
numbits1, numbits2: packed number sets.
Returns:
A new numbits, the union of the two number sets.
"""
byte_pairs = zip_longest(bytes_to_ints(numbits1), bytes_to_ints(numbits2), fillvalue=0)
return _to_blob(binary_bytes(b1 | b2 for b1, b2 in byte_pairs))
def test_running_pyc_from_wrong_python(self):
pycfile = self.make_pyc()
# Jam Python 2.1 magic number into the .pyc file.
with open(pycfile, "r+b") as fpyc:
fpyc.seek(0)
fpyc.write(binary_bytes([0x2a, 0xeb, 0x0d, 0x0a]))
with self.assertRaisesRegex(NoCode, "Bad magic number in .pyc file"):
run_python_file([pycfile])
# In some environments, the pycfile persists and pollutes another test.
os.remove(pycfile)
def test_running_pyc_from_wrong_python(self):
pycfile = self.make_pyc()
# Jam Python 2.1 magic number into the .pyc file.
fpyc = open(pycfile, "r+b")
fpyc.seek(0)
fpyc.write(binary_bytes([0x2a, 0xeb, 0x0d, 0x0a]))
fpyc.close()
self.assertRaisesRegexp(
NoCode, "Bad magic number in .pyc file",
run_python_file, pycfile, [pycfile]
)
def test_binary_bytes(self):
byte_values = [0, 255, 17, 23, 42, 57]
bb = binary_bytes(byte_values)
self.assertEqual(len(bb), len(byte_values))
self.assertEqual(byte_values, list(bytes_to_ints(bb)))
def test_binary_bytes(self):
byte_values = [0, 255, 17, 23, 42, 57]
bb = binary_bytes(byte_values)
self.assertEqual(len(bb), len(byte_values))
self.assertEqual(byte_values, list(bytes_to_ints(bb)))
def test_binary_bytes(self):
byte_values = [0, 255, 17, 23, 42, 57]
bb = binary_bytes(byte_values)
assert len(bb) == len(byte_values)
assert byte_values == list(bytes_to_ints(bb))
def merge_bitmaps(map1, map2):
"""Merge two bitmaps"""
byte_pairs = zip_longest(bytes_to_ints(map1), bytes_to_ints(map2), fillvalue=0)
return binary_bytes(b1 | b2 for b1, b2 in byte_pairs)
