mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-09-21 11:28:58 +03:00
91 lines
2.5 KiB
Python
91 lines
2.5 KiB
Python
import pickle
|
|
|
|
from PIL import Image
|
|
|
|
|
|
def helper_pickle_file(tmp_path, pickle, protocol=0, mode=None):
|
|
# Arrange
|
|
with Image.open("Tests/images/hopper.jpg") as im:
|
|
filename = str(tmp_path / "temp.pkl")
|
|
if mode:
|
|
im = im.convert(mode)
|
|
|
|
# Act
|
|
with open(filename, "wb") as f:
|
|
pickle.dump(im, f, protocol)
|
|
with open(filename, "rb") as f:
|
|
loaded_im = pickle.load(f)
|
|
|
|
# Assert
|
|
assert im == loaded_im
|
|
|
|
|
|
def helper_pickle_string(
|
|
pickle, protocol=0, test_file="Tests/images/hopper.jpg", mode=None
|
|
):
|
|
with Image.open(test_file) as im:
|
|
if mode:
|
|
im = im.convert(mode)
|
|
|
|
# Act
|
|
dumped_string = pickle.dumps(im, protocol)
|
|
loaded_im = pickle.loads(dumped_string)
|
|
|
|
# Assert
|
|
assert im == loaded_im
|
|
|
|
|
|
def test_pickle_image(tmp_path):
|
|
# Act / Assert
|
|
for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1):
|
|
helper_pickle_string(pickle, protocol)
|
|
helper_pickle_file(tmp_path, pickle, protocol)
|
|
|
|
|
|
def test_pickle_p_mode():
|
|
# Act / Assert
|
|
for test_file in [
|
|
"Tests/images/test-card.png",
|
|
"Tests/images/zero_bb.png",
|
|
"Tests/images/zero_bb_scale2.png",
|
|
"Tests/images/non_zero_bb.png",
|
|
"Tests/images/non_zero_bb_scale2.png",
|
|
"Tests/images/p_trns_single.png",
|
|
"Tests/images/pil123p.png",
|
|
"Tests/images/itxt_chunks.png",
|
|
]:
|
|
for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1):
|
|
helper_pickle_string(pickle, protocol=protocol, test_file=test_file)
|
|
|
|
|
|
def test_pickle_pa_mode(tmp_path):
|
|
# Act / Assert
|
|
for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1):
|
|
helper_pickle_string(pickle, protocol, mode="PA")
|
|
helper_pickle_file(tmp_path, pickle, protocol, mode="PA")
|
|
|
|
|
|
def test_pickle_l_mode(tmp_path):
|
|
# Act / Assert
|
|
for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1):
|
|
helper_pickle_string(pickle, protocol, mode="L")
|
|
helper_pickle_file(tmp_path, pickle, protocol, mode="L")
|
|
|
|
|
|
def test_pickle_la_mode_with_palette(tmp_path):
|
|
# Arrange
|
|
filename = str(tmp_path / "temp.pkl")
|
|
with Image.open("Tests/images/hopper.jpg") as im:
|
|
im = im.convert("PA")
|
|
|
|
# Act / Assert
|
|
for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1):
|
|
im.mode = "LA"
|
|
with open(filename, "wb") as f:
|
|
pickle.dump(im, f, protocol)
|
|
with open(filename, "rb") as f:
|
|
loaded_im = pickle.load(f)
|
|
|
|
im.mode = "PA"
|
|
assert im == loaded_im
|