### `UploadFile` { #uploadfile }

`UploadFile` 的属性如下：

* `filename`：上传的原始文件名字符串（`str`），例如 `myimage.jpg`。
* `content_type`：内容类型（MIME 类型 / 媒体类型）的字符串（`str`），例如 `image/jpeg`。

app = FastAPI()


class PNGStreamingResponse(StreamingResponse):
    media_type = "image/png"


@app.get("/image/stream", response_class=PNGStreamingResponse)
async def stream_image() -> AsyncIterable[bytes]:
    with read_image() as image_file:
        for chunk in image_file:
            yield chunk


@app.get("/image/stream-no-async", response_class=PNGStreamingResponse)
def stream_image_no_async() -> Iterable[bytes]:

        assertTrue("application/pdf".matches("application/pdf"));
        assertTrue("image/jpeg".matches("image/jpeg"));
        assertTrue("image/png".matches("image/png"));
        assertTrue("image/gif".matches("image/gif"));
        assertTrue("image/tiff".matches("image/tiff"));
    }

    @Test
    public void test_addConditionWithSvgMimetype() {

            "name": "Foo",
            "price": 35.4,
            "image": {"url": "http://example.com/image.png"},
        },
    )
    assert response.status_code == 422, response.text
    assert response.json() == {
        "detail": [
            {
                "loc": ["body", "image", "name"],
                "input": {"url": "http://example.com/image.png"},
                "msg": "Field required",

drawing/x-dwf                  dwf              # AutoCAD
image/gif                      gif              # GIF image file
image/ief                      ief              # Image Exchange
image/jpeg                     jpeg jpg jpe     # JPG image file
image/png                      png              # Portable Network Graphics
image/tiff                     tiff tif         # TIFF image file
image/x-cmu-raster             ras              #

    // we programmatically extend from the Cloud image.
    CLOUD_ESS(null, "-cloud-ess");

    private final String image;
    private final String suffix;

    DockerBase(String image, String suffix) {
        this.image = image;
        this.suffix = suffix;
    }

    public String getImage() {
        return image;
    }

    public String getSuffix() {

            "name": "Foo",
            "price": 35.4,
            "image": {"url": "http://example.com/image.png"},
        },
    )
    assert response.status_code == 422, response.text
    assert response.json() == {
        "detail": [
            {
                "loc": ["body", "image", "name"],
                "input": {"url": "http://example.com/image.png"},
                "msg": "Field required",

pkg image, method (*Gray) SetRGBA64(int, int, color.RGBA64)
pkg image, method (*Gray16) RGBA64At(int, int) color.RGBA64
pkg image, method (*Gray16) SetRGBA64(int, int, color.RGBA64)
pkg image, method (*NRGBA) RGBA64At(int, int) color.RGBA64
pkg image, method (*NRGBA) SetRGBA64(int, int, color.RGBA64)
pkg image, method (*NRGBA64) RGBA64At(int, int) color.RGBA64
pkg image, method (*NRGBA64) SetRGBA64(int, int, color.RGBA64)

            "${GENERATE_THUMBNAIL}" "image" "file:${TEST_DIR}/400x400.jpg" "${OUTPUT_DIR}/jpg_thumb.png" "image/jpeg"
    fi

    # Test: GIF thumbnail generation
    if [[ -f "${TEST_DIR}/400x400.gif" ]]; then
        run_file_test "GIF thumbnail" "${OUTPUT_DIR}/gif_thumb.png" \
            "${GENERATE_THUMBNAIL}" "image" "file:${TEST_DIR}/400x400.gif" "${OUTPUT_DIR}/gif_thumb.png" "image/gif"
    fi

"feColorMatrix","feComponentTransfer","feComposite","feConvolveMatrix","feDiffuseLighting","feDisplacementMap","feDistantLight","feDropShadow","feFlood","feFuncA","feFuncB","feFuncG","feFuncR","feGaussianBlur","feImage","feMerge","feMergeNode","feMorphology","feOffset","fePointLight","feSpecularLighting","feSpotLight","feTile","feTurbulence"]),L=i(["animate","color-profile","cursor","discard","font-face","font-face-format","font-face-name","font-face-src","font-face-uri","foreignobject","hatch",...