Added Logging

logger-config.yaml

@@ -0,0 +1,19 @@
+version: 1
+formatters:
+ simple:
+ # format: '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
+ format: '%(name)s - %(levelname)s - %(message)s'
+handlers:
+ console:
+ class: logging.StreamHandler
+ level: DEBUG
+ formatter: simple
+ stream: ext://sys.stdout
+loggers:
+ tesseract-in-cf:
+ level: DEBUG
+ handlers: [console]
+ propagate: no
+root:
+ level: DEBUG
+ handlers: [console]

manifest.yaml

@@ -7,6 +7,7 @@ applications:
  command: python server.py
  env:
  TESSDATA_PREFIX: ../deps/0/apt/usr/share/tesseract-ocr/4.00/tessdata
+ FLASK_ENV: development
  buildpacks:
  - https://github.com/cloudfoundry/apt-buildpack
  - https://github.com/cloudfoundry/python-buildpack 

requirements.txt

@@ -1,2 +1,3 @@
 pytesseract==0.3.0
 Flask==1.0.2
+PyYAML==5.1

server.py

@@ -1,12 +1,13 @@
 import os
-import json
 
 from flask import Flask, request, make_response, send_file, Response
 from flask import json
 from time import time
 
 import pytesseract
 
+import logging 
+logger = logging.getLogger('tesseract-in-cf')
 app = Flask(__name__)
 
 #health check
@@ -23,6 +24,7 @@ def ocr_test():
  file = request.args.get('image','sample/fox.png')
  lang = request.args.get('lang', 'eng')
  config = request.args.get('config', '--psm 11')
+ logger.info("pytesseract.image_to_string({},lang={},config={})".format(file,lang,config))
  text = pytesseract.image_to_string(file,lang=lang,config=config)
  response = make_response(text)
  response.headers['Content-Type'] = 'text/plain'
@@ -43,10 +45,11 @@ def ocr_files(folder=None):
  uploaded_files = request.files.getlist('image')
  saved_files = []
  for file in uploaded_files: 
- print("Posted file: {}".format(file))
+ logger.info("Posted file: {}".format(file))
  if file.filename.split('.')[-1] in ['jpeg','png','jpg','pdf','gif','jfif']:
  saved_file = getSavedFilepath(folder,file.filename) 
  file.save( saved_file )
+ logger.info("pytesseract.image_to_string({},lang={},config={})".format(saved_file,lang,config))
  text = pytesseract.image_to_string(saved_file,lang=lang,config=config)
  saved_files.append({"file":file.filename,"saved_as":saved_file, "text":text}) 
  response = make_response(json.dumps(saved_files))
@@ -55,6 +58,13 @@ def ocr_files(folder=None):
 
 
 if __name__ == '__main__':
+ import logging.config
+ import yaml
+
+ with open('logger-config.yaml', 'r') as f:
+ config = yaml.safe_load(f.read())
+ logging.config.dictConfig(config)
+
  port = int(os.environ.get('PORT', 3000))
  host = os.environ.get('VCAP_APP_HOST', '0.0.0.0')
- app.run(host=host, port=port, debug=True)
+ app.run(host=host, port=port)