add logger to flask

Author: kohago

README.md

@@ -21,3 +21,7 @@ when errors happen at windows,maybe some VC++ compile tools are needed.can use w
 
 
 	python -m pip install e:/download/statsmodels-0.8.0-cp36-cp36m-win32.whl
+
+- python versions at windows
+   python -V
+   py -V 

flask/hello_world.py

@@ -12,4 +12,6 @@ def hello():
 $ export FLASK_APP=hello_world.py
 $ export FLASK_ENV=development
 $ flask.run
+
+change export to set when using windows!
 '''

flask/sample/sample_index.py

@@ -1,8 +1,16 @@
 import numpy
 from flask import Flask,render_template,request,redirect,url_for
 
+import logging
+import logging.handlers
+
 app = Flask(__name__)
 
+handler = logging.handlers.RotatingFileHandler("test.log","a+",maxBytes=3000, backupCount = 5)
+handler.setLevel(logging.INFO)
+handler.setFormatter(logging.Formatter('[%(asctime)s] %(levelname)s in %(module)s: %(message)s'))
+app.logger.addHandler(handler)
+
 def pick_up():
  messages = [ "hello!",
  "Good Moreing",
@@ -12,11 +20,11 @@ def pick_up():
 
 @app.route("/")
 def index():
+    app.logger.info("here is index")
     title = "this is test title!"
     messages = pick_up()
     return render_template('index.html',messages=messages, title=title)
 
-
 @app.route("/post",methods = ['GET' , 'POST'])
 def post():
     title = "there is a post"
@@ -26,7 +34,6 @@ def post():
     else:
         return redirect(url_for('index'))
 
-
 if __name__ == "__main__":
     app.debug = True
     app.run(host = '0.0.0.0') # can access from anywhere

hello/try_child_logger.py

@@ -0,0 +1,11 @@
+# coding:utf-8
+import logging
+from logging import getLogger,StreamHandler,Formatter
+
+logger = getLogger("LogTest").getChild("childTest")
+
+def i_am_here():
+    logger.debug("Hi ,I am a child!")
+    # can set parent logger by 
+    # logger.parent.setLever()
+    # logger.parent.addHandler(stream_handler)

hello/try_logger.py

@@ -1,19 +1,31 @@
+# coding:utf-8
+
 import logging
-from logging import getLogger,StreamHandler,Formatter
+from logging import getLogger,StreamHandler,Formatter,FileHandler
+
+# use other file
+import try_child_logger
 
 #logger
 logger = getLogger("LogTest")
 logger.setLevel(logging.DEBUG)
 
-#Handler
-stream_handler = StreamHandler()
-stream_handler.setLevel(logging.DEBUG)
 #handler foramt
 handler_format = Formatter('%(asctime)s - %(name)s- %(levelname)s - %(message)s')
+
+#Handler StreamHandler!
+stream_handler = StreamHandler()
+stream_handler.setLevel(logging.DEBUG)
 stream_handler.setFormatter(handler_format)
 
+#FileHandler
+file_handler = FileHandler('sample03.log','a')
+file_handler.setLevel(logging.DEBUG)
+file_handler.setFormatter(handler_format)
+
 # set handler to logger
 logger.addHandler(stream_handler)
+logger.addHandler(file_handler)
 
 # noset -> debug -> info -> warn -> error -> critical
 logger.debug("I am debug")
@@ -22,9 +34,11 @@
 logger.error("I am error")
 logger.critical("I am critical")
 
+try_child_logger.i_am_here()
 
 # 2018-09-21 19:07:22,688 - LogTest- DEBUG - I am debug
 # 2018-09-21 19:07:22,688 - LogTest- INFO - I am info
 # 2018-09-21 19:07:22,688 - LogTest- WARNING - I am warn
 # 2018-09-21 19:07:22,688 - LogTest- ERROR - I am error
 # 2018-09-21 19:07:22,688 - LogTest- CRITICAL - I am critical
+# 2018-09-21 19:07:22,688 - LogTest- DEBUG - Hi,I am a child!

mining/try_pandas.py

@@ -0,0 +1,21 @@
+'''
+Created on 2018/04/30
+
+@author: syuu
+'''
+import pandas as pd
+from matplotlib import pyplot
+
+indata = [('Toms', 174, 75), ('Jam', 144, 45), ('Lily', 114, 25)]
+df = pd.DataFrame(data = indata, columns= ['name','weight','length'], index = ['one','two','threes'])
+
+print(df)
+print("====================")
+print(df['name'])
+print("====================")
+print(df[['name','length']])
+print("====================")
+print(df['weight'].sum())
+
+df['length'].plot.bar()
+pyplot.show()