def test_pack_unpack(repeat):
"""Test gmpy2.pack and gmpy2.unpack."""
r = gmpy2.random_state(42)
for counter in range(repeat):
for t in (10, 1000, 2000, 10000, 100000):
v = gmpy2.mpz_rrandomb(r, t)
for b in range(1, max(1001, t)):
temp = gmpy2.unpack(v, b)
u = gmpy2.pack(temp, b)
assert u == v
def test_pack_unpack(bits = 200, chunk = 500, terms = 50):
"""Test gmpy2.pack and gmpy2.unpack."""
for t in range(2, terms):
for b in range(1, bits):
# Test with all bits set to 1.
v = [ 2**b - 1 ] * t
for c in range(b, chunk):
temp = gmpy2.pack(v, c)
u = gmpy2.unpack(temp, c)
assert u == v, (v, temp, u, (t, b, c))
def test_pack_unpack(repeat):
"""Test gmpy2.pack and gmpy2.unpack."""
r = gmpy2.random_state(42)
for counter in range(repeat):
for t in (10, 1000, 2000, 10000, 100000):
v = gmpy2.mpz_rrandomb(r, t)
for b in range(1, max(1001,t)):
temp = gmpy2.unpack(v, b)
u = gmpy2.pack(temp, b)
assert u == v
def test(repeat=1):
"""Test gmpy2.pack and gmpy2.unpack."""
r = gmpy2.random_state(42)
try:
for counter in range(repeat):
for t in (10, 30, 60, 500, 1000, 2000, 10000, 100000):
v = gmpy2.mpz_rrandomb(r, t)
for b in range(1, max(1001,t)):
temp = gmpy2.unpack(v, b)
u = gmpy2.pack(temp, b)
if u != v:
raise ValueError
return True
except ValueError:
return False
def apply_hash_actor(frame):
"""
Reads the data stored by apply_hash_initalizer and applies cropping and hashing to
each of the frames passed to this function. Returns a HashedFrame() with the results.
"""
global mp_data
hash_function, hash_args, hash_window_size, tolerance = mp_data
data = ImageTool.crop_image_only_outside(frame.frame, tolerance,
hash_window_size,
hash_window_size)
hashed_frame = HashedFrame()
hashed_frame.hash = hash_function(data, *hash_args)
hashed_frame.hash = pack(
hashed_frame.hash.astype(int).flatten().tolist(), 1)
hashed_frame.position = frame.position
hashed_frame.filename = frame.filename
return hashed_frame
