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import sys
import pickle
import dlib
import pytest
import utils
# Paths are relative to dlib root
image_path = "examples/faces/Tom_Cruise_avp_2014_4.jpg"
shape_path = "tools/python/test/shape.pkl"
face_chip_path = "tools/python/test/test_face_chip.npy"
def get_test_image_and_shape():
img = dlib.load_rgb_image(image_path)
shape = utils.load_pickled_compatible(shape_path)
return img, shape
def get_test_face_chips():
rgb_img, shape = get_test_image_and_shape()
shapes = dlib.full_object_detections()
shapes.append(shape)
return dlib.get_face_chips(rgb_img, shapes)
def get_test_face_chip():
rgb_img, shape = get_test_image_and_shape()
return dlib.get_face_chip(rgb_img, shape)
@pytest.mark.skipif(not utils.is_numpy_installed(), reason="requires numpy")
def test_partition_pixels():
truth = (102, 159, 181);
img, shape = get_test_image_and_shape()
assert(dlib.partition_pixels(img) == truth[0])
assert(dlib.partition_pixels(img,3) == truth)
# Call all these versions of this mainly to make sure binding to
# various image types works.
assert(dlib.partition_pixels(img[:,:,0]) == 125)
assert(dlib.partition_pixels(img[:,:,0].astype('float32')) == 125)
assert(dlib.partition_pixels(img[:,:,0].astype('float64')) == 125)
assert(dlib.partition_pixels(img[:,:,0].astype('uint16')) == 125)
assert(dlib.partition_pixels(img[:,:,0].astype('uint32')) == 125)
# The tests below will be skipped if Numpy is not installed
@pytest.mark.skipif(not utils.is_numpy_installed(), reason="requires numpy")
def test_get_face_chip():
import numpy
face_chip = get_test_face_chip()
expected = numpy.load(face_chip_path)
assert numpy.array_equal(face_chip, expected)
@pytest.mark.skipif(not utils.is_numpy_installed(), reason="requires numpy")
def test_get_face_chips():
import numpy
face_chips = get_test_face_chips()
expected = numpy.load(face_chip_path)
assert numpy.array_equal(face_chips[0], expected)
@pytest.mark.skipif(not utils.is_numpy_installed(), reason="requires numpy")
def test_regression_issue_1220_get_face_chip():
"""
Memory leak in Python get_face_chip
https://github.com/davisking/dlib/issues/1220
"""
face_chip = get_test_face_chip()
# we expect two references:
# 1.) the local variable
# 2.) the temporary passed to getrefcount
assert sys.getrefcount(face_chip) == 2
@pytest.mark.skipif(not utils.is_numpy_installed(), reason="requires numpy")
def test_regression_issue_1220_get_face_chips():
"""
Memory leak in Python get_face_chip
https://github.com/davisking/dlib/issues/1220
"""
face_chips = get_test_face_chips()
count = sys.getrefcount(face_chips)
assert count == 2
count = sys.getrefcount(face_chips[0])
assert count == 2
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