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トップに関する質問Herokuでデプロイしたものに500 Internet Server Errorが出る。

編集履歴

質問編集履歴

4

修正

2020/07/24 14:14

投稿

退会済みユーザー
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  ```
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- 2020-07-24T14:08:32.261401+00:00 app[web.1]: return self.view_functions[rule.endpoint](**req.view_args)
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+ 2020-07-24T14:08:32.261401+00:00 app[web.1]: return render_template("index.html",message="モザイクアート生成完了", image_url=base64Img)
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-
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+
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- 2020-07-24T14:08:32.261401+00:00 app[web.1]: File "/app/app.py", line 113, in post
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+ 2020-07-24T14:08:32.261402+00:00 app[web.1]: NameError: name 'base64Img' is not defined
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  ```
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3

追記

2020/07/24 14:14

投稿

退会済みユーザー
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  ```
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- 2020-07-23T16:05:23.807421+00:00 app[web.1]: "The view function did not return a valid response. The"
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-
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- 2020-07-23T16:05:23.807448+00:00 app[web.1]: TypeError: The view function did not return a valid response. The function either returned None or ended without a return statement.
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-
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- 2020-07-23T16:05:23.807722+00:00 heroku[router]: at=info method=POST path="/" host=mosaicart.herokuapp.com request_id=7c967a70-52ac-407e-90b2-306db0ad6922 fwd="180.145.10.214" dyno=web.1 connect=1ms service=435ms status=500 bytes=470 protocol=https
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-
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- 2020-07-23T16:05:23.808997+00:00 app[web.1]: 10.45.252.73 - - [23/Jul/2020:16:05:23 +0000] "POST / HTTP/1.1" 500 290 "https://mosaicart.herokuapp.com/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36"
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+ 2020-07-24T14:08:32.261401+00:00 app[web.1]: return self.view_functions[rule.endpoint](**req.view_args)
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+
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+ 2020-07-24T14:08:32.261401+00:00 app[web.1]: File "/app/app.py", line 113, in post
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  ```
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@@ -256,9 +252,11 @@
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  Target.save(buffer, "PNG")
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+ global base64Img
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+
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  base64Img=base64.b64encode(buffer.getvalue()).decode("utf-8")
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- return render_template("index.html",message="モザイクアート生成完了", image_url=base64Img)
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+ return render_template("index.html",message="モザイクアート生成完了", image_url=base64Img)
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@@ -268,4 +266,6 @@
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  app.run()
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+
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+
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  ```

2

追記

2020/07/24 14:10

投稿

退会済みユーザー
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  2020-07-23T16:05:23.808997+00:00 app[web.1]: 10.45.252.73 - - [23/Jul/2020:16:05:23 +0000] "POST / HTTP/1.1" 500 290 "https://mosaicart.herokuapp.com/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36"
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  ```
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+
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+
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+ 以下がコードです。
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+
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+
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+ ```python
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+ from flask import Flask, render_template, request, send_file
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+
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+ from PIL import Image,ImageFilter
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+
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+ import subprocess
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+
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+ import os
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+
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+ import random
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+
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+ import math
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+
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+ import time
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+
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+ import numpy as np
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+
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+ import glob
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+
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+ import cv2
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+
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+ import io
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+
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+ import base64
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+
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+
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+
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+
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+
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+ app = Flask(__name__)
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+
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+
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+
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+ # getのときの処理
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+ @app.route('/', methods=['GET'])
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+ def get():
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+ return render_template('index.html', \
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+ title = 'モザイクアートジェネレーター', \
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+ message = '設定してください')
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+
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+
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+
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+ # postのときの処理
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+ @app.route('/', methods=['POST'])
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+
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+ def post():
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+ SourceDir = request.form['source']
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+
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+ GoalImage = request.files["goal"]
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+ OutputImage="./output.jpg"
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+ SourceImageSize=(40,30)
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+
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+ TargetZoom=11
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+
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+ used_count = 3
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+
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+
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+
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+
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+
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+ def __create_tile(org_image,height,width):
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+
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+
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+ w, h = org_image.size
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+
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+ RectList=[]
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+
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+ for y in range(0, math.floor(h / height) + 1):
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+ for x in range(0, math.floor(w / width) + 1):
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+
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+ height2 = y * height
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+
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+ width2 = x * width
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+
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+ crap_img = org_image.crop((width2, height2, width2 + width, height2 + height))
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+ RectList.append((crap_img,width2,height2))
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+ return RectList
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+
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+
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+ def __clac_hist(img):
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+
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+
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+ hist_list = []
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+ color = ['r','g','b']
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+ images = np.asarray(img)
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+
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+
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+ for i in enumerate(color):
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+ hist_list.append(cv2.calcHist([images],[i[0]],None,[256],[0,256]))
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+ return hist_list
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+
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+
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+
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+ if __name__=="__main__":
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+
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+ startTime=time.time()
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+
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+
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+
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+ target=Image.open(GoalImage)
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+ target=target.resize(tuple(math.floor(i*TargetZoom) for i in target.size))
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+
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+
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+ tiles = __create_tile(target,SourceImageSize[1],SourceImageSize[0])
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+
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+ file_paths = glob.glob(SourceDir+"\*")
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+ src_hist_dict = {}
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+ for file_path in file_paths:
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+ file_name = file_path.split("\")[-1]
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+
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+
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+
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+ try:
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+ src_image = Image.open(file_path).resize(SourceImageSize)
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+ except Exception:
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+
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+ continue
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+ src_hist_dict[file_name] = [src_image,__clac_hist(src_image),0]
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+
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+ Target=Image.new("RGB",target.size,255)
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+ while(len(tiles) > 0):
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+ result = []
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+
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+ r=random.randrange(len(tiles))
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+ tileRect=tiles[r]
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+ del tiles[r]
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+
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+
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+ tile_hist = __clac_hist(tileRect[0])
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+
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+ tile_hist = np.array(tile_hist)
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+ tile_hist = tile_hist.reshape(tile_hist.shape[0] * tile_hist.shape[1], 1)
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+
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+
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+
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+ for file_name,src_hist in src_hist_dict.items():
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+ src_hist = np.array(src_hist[1])
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+ src_hist = src_hist.reshape(src_hist.shape[0] * src_hist.shape[1], 1)
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+
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+
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+ d = cv2.compareHist(tile_hist, src_hist, cv2.HISTCMP_INTERSECT)
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+ result.append([d,file_name])
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+ result.sort(reverse=True)
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+
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+
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+
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+ Target.paste(src_hist_dict[result[0][1]][0],(tileRect[1],tileRect[2]))
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+
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+
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+ src_hist_dict[result[0][1]][2] = src_hist_dict[result[0][1]][2] + 1
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+
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+
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+
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+
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+
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+ buffer=io.BytesIO()
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+
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+ Target.save(buffer, "PNG")
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+
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+ base64Img=base64.b64encode(buffer.getvalue()).decode("utf-8")
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+ return render_template("index.html",message="モザイクアート生成完了", image_url=base64Img)
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+
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+
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+
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+
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+
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+ if __name__=="__main__":
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+
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+ app.run()
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+ ```

1

誤字

2020/07/24 03:55

投稿

退会済みユーザー
test CHANGED
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test CHANGED
@@ -1,6 +1,8 @@
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  pythonとflaskで書いたコードをherokuでデプロイしました。
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+ ローカル環境ではうまく動いていましたが、
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+
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- しかし、500 Internet Server Errorとなり、
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+ 500 Internal Server Errorとなり、
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  うまく動きませんでした。
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