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Write in binary format

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This commit is contained in:
Andrew Murray 2022-10-23 15:17:54 +11:00
parent be8a28d03d
commit 64e5baaaf1
1 changed files with 9 additions and 9 deletions
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18
Tests/test_file_ppm.py
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@ -240,8 +240,8 @@ def test_header_token_too_long(tmp_path):
def test_truncated_file(tmp_path): def test_truncated_file(tmp_path):
# Test EOF in header # Test EOF in header
path = str(tmp_path / "temp.pgm") path = str(tmp_path / "temp.pgm")
with open(path, "w", encoding="utf-8") as f: with open(path, "wb") as f:
f.write("P6") f.write(b"P6")
with pytest.raises(ValueError) as e: with pytest.raises(ValueError) as e:
with Image.open(path): with Image.open(path):
@ -256,11 +256,11 @@ def test_truncated_file(tmp_path):
im.load() im.load()
@pytest.mark.parametrize("maxval", (0, 65536)) @pytest.mark.parametrize("maxval", (b"0", b"65536"))
def test_invalid_maxval(maxval, tmp_path): def test_invalid_maxval(maxval, tmp_path):
path = str(tmp_path / "temp.ppm") path = str(tmp_path / "temp.ppm")
with open(path, "w", encoding="utf-8") as f: with open(path, "wb") as f:
f.write("P6\n3 1 " + str(maxval)) f.write(b"P6\n3 1 " + maxval)
with pytest.raises(ValueError) as e: with pytest.raises(ValueError) as e:
with Image.open(path): with Image.open(path):
@ -283,13 +283,13 @@ def test_neg_ppm():
def test_mimetypes(tmp_path): def test_mimetypes(tmp_path):
path = str(tmp_path / "temp.pgm") path = str(tmp_path / "temp.pgm")
with open(path, "w", encoding="utf-8") as f: with open(path, "wb") as f:
f.write("P4\n128 128\n255") f.write(b"P4\n128 128\n255")
with Image.open(path) as im: with Image.open(path) as im:
assert im.get_format_mimetype() == "image/x-portable-bitmap" assert im.get_format_mimetype() == "image/x-portable-bitmap"
with open(path, "w", encoding="utf-8") as f: with open(path, "wb") as f:
f.write("PyCMYK\n128 128\n255") f.write(b"PyCMYK\n128 128\n255")
with Image.open(path) as im: with Image.open(path) as im:
assert im.get_format_mimetype() == "image/x-portable-anymap" assert im.get_format_mimetype() == "image/x-portable-anymap"