mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-27 10:26:19 +03:00
1008644dd6
To help debug and show supported formats, users can run:
$ python -m PIL
to get basic format and support information about the installed version
of Pillow.
The new feature works as follows:
$ python -m PIL
--------------------------------------------------------------------
Pillow 6.1.0.dev0
--------------------------------------------------------------------
Python modules loaded from .../Pillow/src/PIL
Binary modules loaded from .../Pillow/src/PIL
--------------------------------------------------------------------
Python 3.7.3 (default, May 11 2019, 00:38:04)
[GCC 9.1.1 20190503 (Red Hat 9.1.1-1)]
--------------------------------------------------------------------
--- PIL CORE support ok
--- TKINTER support ok
--- FREETYPE2 support ok
--- LITTLECMS2 support ok
--- WEBP support ok
--- WEBP Transparency support ok
--- WEBPMUX support ok
--- WEBP Animation support ok
--- JPEG support ok
--- OPENJPEG (JPEG2000) support ok
--- ZLIB (PNG/ZIP) support ok
--- LIBTIFF support ok
--- RAQM (Bidirectional Text) support ok
--------------------------------------------------------------------
BLP
Extensions: .blp
Features: open
--------------------------------------------------------------------
BMP image/bmp
Extensions: .bmp
Features: open, save
--------------------------------------------------------------------
BUFR
Extensions: .bufr
Features: open, save
--------------------------------------------------------------------
…
92 lines
3.2 KiB
Python
92 lines
3.2 KiB
Python
from __future__ import unicode_literals
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import io
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from .helper import unittest, PillowTestCase
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from PIL import features
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try:
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from PIL import _webp
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HAVE_WEBP = True
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except ImportError:
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HAVE_WEBP = False
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class TestFeatures(PillowTestCase):
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def test_check(self):
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# Check the correctness of the convenience function
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for module in features.modules:
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self.assertEqual(features.check_module(module),
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features.check(module))
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for codec in features.codecs:
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self.assertEqual(features.check_codec(codec),
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features.check(codec))
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for feature in features.features:
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self.assertEqual(features.check_feature(feature),
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features.check(feature))
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@unittest.skipUnless(HAVE_WEBP, "WebP not available")
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def test_webp_transparency(self):
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self.assertEqual(features.check('transp_webp'),
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not _webp.WebPDecoderBuggyAlpha())
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self.assertEqual(features.check('transp_webp'),
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_webp.HAVE_TRANSPARENCY)
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@unittest.skipUnless(HAVE_WEBP, "WebP not available")
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def test_webp_mux(self):
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self.assertEqual(features.check('webp_mux'),
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_webp.HAVE_WEBPMUX)
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@unittest.skipUnless(HAVE_WEBP, "WebP not available")
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def test_webp_anim(self):
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self.assertEqual(features.check('webp_anim'),
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_webp.HAVE_WEBPANIM)
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def test_check_modules(self):
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for feature in features.modules:
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self.assertIn(features.check_module(feature), [True, False])
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for feature in features.codecs:
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self.assertIn(features.check_codec(feature), [True, False])
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def test_supported_modules(self):
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self.assertIsInstance(features.get_supported_modules(), list)
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self.assertIsInstance(features.get_supported_codecs(), list)
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self.assertIsInstance(features.get_supported_features(), list)
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self.assertIsInstance(features.get_supported(), list)
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def test_unsupported_codec(self):
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# Arrange
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codec = "unsupported_codec"
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# Act / Assert
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self.assertRaises(ValueError, features.check_codec, codec)
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def test_unsupported_module(self):
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# Arrange
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module = "unsupported_module"
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# Act / Assert
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self.assertRaises(ValueError, features.check_module, module)
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def test_pilinfo(self):
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buf = io.StringIO()
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features.pilinfo(buf)
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out = buf.getvalue()
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lines = out.splitlines()
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self.assertEqual(lines[0], "-" * 68)
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self.assertTrue(lines[1].startswith("Pillow "))
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self.assertEqual(lines[2], "-" * 68)
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self.assertTrue(lines[3].startswith("Python modules loaded from "))
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self.assertTrue(lines[4].startswith("Binary modules loaded from "))
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self.assertEqual(lines[5], "-" * 68)
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self.assertTrue(lines[6].startswith("Python "))
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jpeg = (
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"\n" +
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"-" * 68 + "\n" +
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"JPEG image/jpeg\n" +
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"Extensions: .jfif, .jpe, .jpeg, .jpg\n" +
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"Features: open, save\n" +
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"-" * 68 + "\n"
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)
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self.assertIn(jpeg, out)
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