当前位置: 首页>>代码示例>>Python>>正文

Python BaseEngine.get_orientation方法代码示例

本文整理汇总了Python中thumbor.engines.BaseEngine.get_orientation方法的典型用法代码示例。如果您正苦于以下问题：Python BaseEngine.get_orientation方法的具体用法？Python BaseEngine.get_orientation怎么用？Python BaseEngine.get_orientation使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类thumbor.engines.BaseEngine的用法示例。


在下文中一共展示了BaseEngine.get_orientation方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: BaseEngineTestCase

# 需要导入模块: from thumbor.engines import BaseEngine [as 别名]
# 或者: from thumbor.engines.BaseEngine import get_orientation [as 别名]
class BaseEngineTestCase(TestCase):

    def get_context(self):
        cfg = Config(
            SECURITY_KEY='ACME-SEC',
            ENGINE='thumbor.engines',
        )
        cfg.STORAGE = 'thumbor.storages.no_storage'

        return Context(config=cfg)

    def flip_horizontally(self):
        ((a, b), (c, d)) = self.image
        self.image = (
            (b, a),
            (d, c)
        )

    def flip_vertically(self):
        ((a, b), (c, d)) = self.image
        self.image = (
            (c, d),
            (a, b)
        )

    def rotate(self, value):
        ((a, b), (c, d)) = self.image
        if value == 270:
            self.image = (
                (c, a),
                (d, b)
            )
        elif value == 180:
            self.image = (
                (d, c),
                (b, a)
            )
        elif value == 90:
            self.image = (
                (b, d),
                (a, c)
            )

    def setUp(self):
        self.image = (
            (1, 2),
            (3, 4)
        )
        self.context = self.get_context()
        self.engine = BaseEngine(self.context)
        self.engine.flip_horizontally = mock.MagicMock()
        self.engine.flip_horizontally.side_effect = self.flip_horizontally
        self.engine.flip_vertically = mock.MagicMock()
        self.engine.flip_vertically.side_effect = self.flip_vertically
        self.engine.rotate = mock.MagicMock()
        self.engine.rotate.side_effect = self.rotate

    def test_create_engine(self):
        expect(self.engine).to_be_instance_of(BaseEngine)

    def test_convert_svg_to_png(self):
        buffer = """<svg width="10px" height="20px" viewBox="0 0 10 20"
                    xmlns="http://www.w3.org/2000/svg">
                        <rect width="100%" height="10" x="0" y="0"/>
                    </svg>"""
        self.engine.convert_svg_to_png(buffer)
        expect(self.engine.extension).to_equal('.png')

    def test_convert_svg_with_xml_preamble_to_png(self):
        buffer = """<?xml version="1.0" encoding="utf-8"?>
                    <svg width="10px" height="20px" viewBox="0 0 10 20"
                    xmlns="http://www.w3.org/2000/svg">
                        <rect width="100%" height="10" x="0" y="0"/>
                    </svg>""".encode('utf-8')
        self.engine.convert_svg_to_png(buffer)
        expect(self.engine.extension).to_equal('.png')

    def test_convert_svg_utf16_to_png(self):
        buffer = """<?xml version="1.0" encoding="utf-16"?>
                    <svg width="10px" height="20px" viewBox="0 0 10 20"
                    xmlns="http://www.w3.org/2000/svg">
                        <rect width="100%" height="10" x="0" y="0"/>
                    </svg>""".encode('utf-16')
        self.engine.convert_svg_to_png(buffer)
        expect(self.engine.extension).to_equal('.png')

    @mock.patch('thumbor.engines.cairosvg', new=None)
    @mock.patch('thumbor.engines.logger.error')
    def test_not_imported_cairosvg_failed_to_convert_svg_to_png(self, mockLogError):
        buffer = """<svg width="10px" height="20px" viewBox="0 0 10 20"
                    xmlns="http://www.w3.org/2000/svg">
                        <rect width="100%" height="10" x="0" y="0"/>
                    </svg>"""
        returned_buffer = self.engine.convert_svg_to_png(buffer)
        expect(mockLogError.called).to_be_true()
        expect(buffer).to_equal(returned_buffer)

    def test_get_orientation(self):
        self.engine.exif = exif_str(1)
        expect(self.engine.get_orientation()).to_equal(1)
#.........这里部分代码省略.........
开发者ID:5um1th，项目名称:thumbor，代码行数:103，代码来源:test_base_engine.py

示例2: BaseEngineTestCase

# 需要导入模块: from thumbor.engines import BaseEngine [as 别名]
# 或者: from thumbor.engines.BaseEngine import get_orientation [as 别名]

#.........这里部分代码省略.........
                        <!ENTITY ns_imrep "http://ns.foo.com/ImageReplacement/1.0/">
                        <!ENTITY ns_sfw "http://ns.foo.com/SaveForWeb/1.0/">
                        <!ENTITY ns_custom "http://ns.foo.com/GenericCustomNamespace/1.0/">
                        <!ENTITY ns_foo_xpath "http://ns.foo.com/XPath/1.0/">
                        <!ENTITY ns_svg "http://www.w3.org/2000/svg">
                        <!ENTITY ns_xlink "http://www.w3.org/1999/xlink">
                    ]>
                    <svg width="10px" height="20px" viewBox="0 0 10 20"
                    xmlns="http://www.w3.org/2000/svg">
                        <rect width="100%" height="10" x="0" y="0"/>
                    </svg>""".encode('utf-8')
        mime = self.engine.get_mimetype(buffer)
        expect(mime).to_equal('image/svg+xml')

    def test_convert_svg_already_converted_to_png(self):
        svg_buffer = """<svg width="10px" height="20px" viewBox="0 0 10 20"
                    xmlns="http://www.w3.org/2000/svg">
                        <rect width="100%" height="10" x="0" y="0"/>
                    </svg>"""
        png_buffer = self.engine.convert_svg_to_png(svg_buffer)
        png_buffer_dupe = self.engine.convert_svg_to_png(png_buffer)
        expect(self.engine.extension).to_equal('.png')
        expect(png_buffer).to_equal(png_buffer_dupe)

    def test_convert_not_well_formed_svg_to_png(self):
        buffer = """<<svg width="10px" height="20px" viewBox="0 0 10 20"
                    xmlns="http://www.w3.org/2000/svg">
                        <rect width="100%" height="10" x="0" y="0"/>
                    </svg>""".encode('utf-8')
        with expect.error_to_happen(ParseError):
            self.engine.convert_svg_to_png(buffer)
        expect(self.engine.extension).to_be_null()

    def test_get_orientation_no_exif(self):
        expect(hasattr(self.engine, 'exif')).to_be_false()
        expect(self.engine.get_orientation()).to_be_null()

    def test_get_orientation_null_exif(self):
        self.engine.exif = None
        expect(self.engine.get_orientation()).to_be_null()

    def test_get_orientation_without_orientation_in_exif(self):
        self.engine.exif = piexif.load(exif_str(1))
        self.engine.exif['0th'].pop(piexif.ImageIFD.Orientation, None)
        expect(self.engine.get_orientation()).to_be_null()

    def test_get_orientation(self):
        self.engine.exif = exif_str(1)
        expect(self.engine.get_orientation()).to_equal(1)
        expect(self.engine.get_orientation()).to_equal(1)
        self.engine.exif = exif_str(6)
        expect(self.engine.get_orientation()).to_equal(6)
        expect(self.engine.get_orientation()).to_equal(6)
        self.engine.exif = exif_str(8)
        expect(self.engine.get_orientation()).to_equal(8)
        expect(self.engine.get_orientation()).to_equal(8)

    def test_reorientate_no_exif(self):
        expect(hasattr(self.engine, 'exif')).to_be_false()
        self.engine.reorientate()
        expect(self.engine.get_orientation()).to_be_null()

    def test_reorientate_null_exif(self):
        self.engine.exif = None
        self.engine.reorientate()
        expect(self.engine.get_orientation()).to_be_null()
开发者ID:caeugusmao，项目名称:thumbor，代码行数:70，代码来源:test_base_engine.py

示例3: BaseEngineTestCase

# 需要导入模块: from thumbor.engines import BaseEngine [as 别名]
# 或者: from thumbor.engines.BaseEngine import get_orientation [as 别名]
class BaseEngineTestCase(TestCase):

    def get_context(self):
        cfg = Config(
                SECURITY_KEY='ACME-SEC',
                ENGINE = 'thumbor.engines',
        )
        cfg.STORAGE = 'thumbor.storages.no_storage'

        return Context(config=cfg)

    def flip_horizontally(self):
        ((a, b), (c, d)) = self.image
        self.image = (
            (b, a),
            (d, c)
        )

    def flip_vertically(self):
        ((a, b), (c, d)) = self.image
        self.image = (
            (c, d),
            (a, b)
        )

    def rotate(self, value):
        ((a, b), (c, d)) = self.image
        if value == 270:
            self.image = (
                (c, a),
                (d, b)
            )
        elif value == 180:
            self.image = (
                (d, c),
                (b, a)
            )
        elif value == 90:
            self.image = (
                (b, d),
                (a, c)
            )

    def setUp(self):
        self.image = (
            (1, 2),
            (3, 4)
        )
        self.context = self.get_context()
        self.engine = BaseEngine(self.context)
        self.engine.flip_horizontally = mock.MagicMock()
        self.engine.flip_horizontally.side_effect = self.flip_horizontally
        self.engine.flip_vertically = mock.MagicMock()
        self.engine.flip_vertically.side_effect = self.flip_vertically
        self.engine.rotate = mock.MagicMock()
        self.engine.rotate.side_effect = self.rotate

    def test_create_engine(self):
        expect(self.engine).to_be_instance_of(BaseEngine)

    def test_get_orientation(self):
        self.engine.exif = exif_str(1)
        expect(self.engine.get_orientation()).to_equal(1)
        expect(self.engine.get_orientation()).to_equal(1)
        self.engine.exif = exif_str(6)
        expect(self.engine.get_orientation()).to_equal(6)
        expect(self.engine.get_orientation()).to_equal(6)
        self.engine.exif = exif_str(8)
        expect(self.engine.get_orientation()).to_equal(8)
        expect(self.engine.get_orientation()).to_equal(8)

    def test_reorientate1(self):
        # No rotation
        self.engine.exif = exif_str(1)
        self.engine.reorientate()
        expect(self.engine.rotate.called).to_be_false()
        expect(self.engine.flip_horizontally.called).to_be_false()
        expect(self.engine.flip_vertically.called).to_be_false()
        expect(self.image).to_equal(((1, 2), (3, 4)))

        expect(self.engine.get_orientation()).to_equal(1)

    def test_reorientate2(self):
        self.image = (
            (2, 1),
            (4, 3)
        )
        # Flipped horizontally
        self.engine.exif = exif_str(2)
        self.engine.reorientate()
        expect(self.engine.rotate.called).to_be_false()
        expect(self.engine.flip_horizontally.called).to_be_true()
        expect(self.engine.flip_vertically.called).to_be_false()
        expect(self.image).to_equal(((1, 2), (3, 4)))

        expect(self.engine.get_orientation()).to_equal(1)

    def test_reorientate3(self):
        # Rotated 180°  Ⅎ
        self.image = (
#.........这里部分代码省略.........
开发者ID:Wharenn，项目名称:thumbor，代码行数:103，代码来源:test_base_engine.py


注：本文中的thumbor.engines.BaseEngine.get_orientation方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。