[英]Testing FastAPI FormData Upload
我正在嘗試使用Python和FastAPI測試文件及其元數據的上傳。
這是我定義上傳路由的方式:
@app.post("/upload_files")
async def creste_upload_files(uploaded_files: List[UploadFile], selectedModel: str = Form(...),
patientId: str = Form(...), patientSex: str = Form(...),
actualMedication: str = Form(...), imageDim: str = Form(...),
imageFormat: str = Form(...), dateOfScan: str = Form(...)):
for uploaded_dicom in uploaded_files:
upload_folder = "webapp/src/data/"
file_object = uploaded_dicom.file
#create empty file to copy the file_object to
upload_folder = open(os.path.join(upload_folder, uploaded_dicom.filename), 'wb+')
shutil.copyfileobj(file_object, upload_folder)
upload_folder.close()
return "hello"
(我沒有使用元數據,但我稍后會使用)。
我使用 unittest 進行測試:
class TestServer(unittest.TestCase):
def setUp(self):
self.client = TestClient(app)
self.metadata = {
"patientId": "1",
"patient_age": "M",
"patientSex": "59",
"patient_description": "test",
"actualeMedication": "test",
"dateOfScan": datetime.strftime(datetime.now(), "%d/%m/%Y"),
"selectedModel": "unet",
"imageDim": "h",
"imageFormat": "h"
}
def tearDown(self):
pass
def test_dcm_upload(self):
dicom_file = pydicom.read_file("tests/data/1-001.dcm")
bytes_data = dicom_file.PixelData
files = {"uploaded_files": ("dicom_file", bytes_data, "multipart/form-data")}
response = self.client.post(
"/upload_files",
json=self.metadata,
files=files
)
print(response.json())
但似乎上傳不起作用,我得到以下響應打印:
{'detail': [{'loc': ['body', 'selectedModel'], 'msg': 'field required', 'type': 'value_error.missing'}, {'loc': ['body', 'patientId'], 'msg': 'field required', 'type': 'value_error.missing'}, {'loc': ['body', 'patientSex'], 'msg': 'field required', 'type': 'value_error.missing'}, {'loc': ['body', 'actualMedication'], 'msg': 'field required', 'type': 'value_error.missing'}, {'loc': ['body', 'imageDim'], 'msg': 'field required', 'type': 'value_error.missing'}, {'loc': ['body', 'imageFormat'], 'msg': 'field required', 'type': 'value_error.missing'}, {'loc': ['body', 'dateOfScan'], 'msg': 'field required', 'type': 'value_error.missing'}]}
我可能應該使用 Formdata 而不是正文請求 ( json=self.metadata
) json=self.metadata
但我不知道應該如何完成。
答案只是用data=self.metadata
for a formData 替換可用於 body 參數的json=self.metadata
self.metadata
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