我有一個 Flask 應用程式,它應該接收兩個影像并輸出 a ,但是當我運行應用程式時出現這些錯誤,代碼在沒有 Flask 的情況下運行良好
錯誤:
[ WARN:0@11.916] global /io/opencv/modules/imgcodecs/src/loadsave.cpp (239) findDecoder imread_('/home/criuser/T??l??chargements/20210728_122019.jpg'): can't open/read file: check file path/integrity
[2022-02-15 22:17:15,439] ERROR in app: Exception on / [GET]
Traceback (most recent call last):
File "/home/criuser/PycharmProjects/FINAL_AI/venv/lib/python3.8/site-packages/flask/app.py", line 2073, in wsgi_app
response = self.full_dispatch_request()
File "/home/criuser/PycharmProjects/FINAL_AI/venv/lib/python3.8/site-packages/flask/app.py", line 1518, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/criuser/PycharmProjects/FINAL_AI/venv/lib/python3.8/site-packages/flask/app.py", line 1516, in full_dispatch_request
rv = self.dispatch_request()
File "/home/criuser/PycharmProjects/FINAL_AI/venv/lib/python3.8/site-packages/flask/app.py", line 1502, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
File "/home/criuser/PycharmProjects/FINAL_AI/venv/final.py", line 19, in API
result = change_bg.change_bg_img(f_image_path=original,
File "/home/criuser/PycharmProjects/FINAL_AI/venv/lib/python3.8/site-packages/pixellib/tune_bg/__init__.py", line 236, in change_bg_img
seg_image = self.segmentAsPascalvoc(f_image_path)
File "/home/criuser/PycharmProjects/FINAL_AI/venv/lib/python3.8/site-packages/pixellib/tune_bg/__init__.py", line 53, in segmentAsPascalvoc
h, w, n = image.shape
AttributeError: 'NoneType' object has no attribute 'shape'
127.0.0.1 - - [15/Feb/2022 22:17:15] "GET /?original=/home/criuser/T??l??chargements/20210728_122019.jpg&background=/home/criuser/T??l??chargements/Tableau_Dashboard.jpg HTTP/1.1" 500 -
代碼:
curl "http://127.0.0.1:5000?original=/home/criuser/Téléchargements/20210728_122019.jpg&background=/home/criuser/Téléchargements/Tableau_Dashboard.jpg"
@app.route('/',methods=['GET'])
def API():
if request.method == 'GET':
original = request.args.get('original')
background = request.args.get('background')
change_bg = alter_bg(model_type="pb")
change_bg.load_pascalvoc_model("/home/criuser/Téléchargements/xception_pascalvoc.pb")
result = change_bg.change_bg_img(f_image_path=original,
b_image_path=background,
output_image_name="/home/criuser/Téléchargements/new.jpg")
img_base64 = base64.b64encode(result.read())
return jsonify(img_base64.decode())
uj5u.com熱心網友回復:
問題是curl,不是flask。
似乎curl將其發送為latin1( iso-8859-1) 而不是utf-8因此它轉換é為??- 并且稍后flask打開有問題T??l??chargements(而不是Téléchargements)
代碼'??'.encode('latin1').decode()給出é- 所以它可以確認它使用latin1.
這適用于curl:
curl -GET 'http://127.0.0.1:5000' --data-urlencode 'original=/home/criuser/Téléchargements/20210728_122019.jpg' --data-urlencode 'background=/home/criuser/Téléchargements/Tableau_Dashboard.jpg'
原始網址
http://127.0.0.1:5000?original=/home/criuser/Téléchargements/20210728_122019.jpg&background=/home/criuser/Téléchargements/Tableau_Dashboard.jpg
正常作業(對我來說):
- 網路瀏覽器(火狐、Chrome)
- 控制臺命令
wget - 控制臺命令
http(python 模塊httpie) - 蟒蛇模塊
requests - 測驗網頁(API)郵遞員,失眠的工具
但標準模塊urllib.request與本機字符有問題(它用 編碼ascii)
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