Tkinter回调中的异常
Traceback (most recent call last): File "C:\Users\Claire\AppData\Roaming\Python\Python36\site-packages\pandas\core\indexes\base.py", line 2898, in get_loc return self._engine.get_loc(casted_key) File "pandas_libs\index.pyx", line 70, in pandas._libs.index.IndexEngine.get_loc File "pandas_libs\index.pyx", line 101, in pandas._libs.index.IndexEngine.get_loc File "pandas_libs\hashtable_class_helper.pxi", line 1675, in pandas._libs.hashtable.PyObjectHashTable.get_item File "pandas_libs\hashtable_class_helper.pxi", line 1683, in pandas._libs.hashtable.PyObjectHashTable.get_item KeyError: 'Id'
上述异常是以下异常的直接原因:
Traceback (most recent call last): File "C:\Program Files\Python36\lib\tkinter_init_.py", line 1702, in call return self.func(*args) File "C:\Users\Claire\Desktop\New folder (6)\login-verification-master\run.py", line 161, in login_submit TrackImages(a) File "C:\Users\Claire\Desktop\New folder (6)\login-verification-master\run.py", line 135, in TrackImages aa=df.loc[df['Id'] == Id]['Name'].values File "C:\Users\Claire\AppData\Roaming\Python\Python36\site-packages\pandas\core\frame.py", line 2906, in getitem indexer = self.columns.get_loc(key) File "C:\Users\Claire\AppData\Roaming\Python\Python36\site-packages\pandas\core\indexes\base.py", line 2900, in get_loc raise KeyError(key) from err KeyError: 'Id'
这是产生错误的代码
def TrackImages(UserId):
recognizer = cv2.face.LBPHFaceRecognizer_create()#cv2.createLBPHFaceRecognizer()
recognizer.read("TrainingImageLabel\Trainner.yml")
harcascadePath = "haarcascade_frontalface_default.xml"
faceCascade = cv2.CascadeClassifier(harcascadePath);
df=pd.read_csv("Details\Details.csv")
cam = cv2.VideoCapture(0)
font = cv2.FONT_HERSHEY_SIMPLEX
run_count=0;run=True
while run:
ret, im =cam.read()
gray=cv2.cvtColor(im,cv2.COLOR_BGR2GRAY)
faces=faceCascade.detectMultiScale(gray, 1.2,5)
for(x,y,w,h) in faces:
cv2.rectangle(im,(x,y),(x+w,y+h),(225,0,0),2)
Id, conf = recognizer.predict(gray[y:y+h,x:x+w])
print(Id, conf)
if(conf < 50):
aa=df.loc[df.get['Id'] == Id]['Name'].values
tt=str(Id)+"-"+aa
if (str(Id)==UserId):
print(Id, conf)
message.configure(text="Face Recognised Successfully")
run=False
else:
Id='Unknown'
tt=str(Id)
cv2.putText(im,str(tt),(x,y+h), font, 1,(255,255,255),2)
run_count += 1
cv2.imshow('im',im)
if (cv2.waitKey(1)==ord('q') or run_count==150):
message.configure(text="Unable to Recognise Face")
break
cam.release()
cv2.destroyAllWindows()
def login_submit():
a=txt.get()
b=txt2.get()
if (a in data):
if(data[a] == b):
TrackImages(a)
else:
message.configure(text="Id and Password does not Match")
else:
message.configure(text="Entered Id does not Exists")
login_clear()
下面是存储数据帧的代码
以下是我的csv的外观。 enter image description here
您的错误如下:
您使用了
square
方括号而不是small
方括号改用这个:
或者,您也可以使用以下选项:
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