Consideration about python logging and file configuration(1)

Python has a standard logging library. I used that with configuration file (.conf) that is useful for have configuration point with separating it from application code. Environment MacOS Catalina 10.15.7 Python 3.9.7 1. Simple file output for debugging A simple example for logging file with configuration is: logging.conf 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 [loggers] keys=root [handlers] keys=fileHandler [logger_root] handlers=fileHandler level=DEBUG [handler_fileHandler] class=handlers.

tox InterpreterNotFound error with pyenv

Environment MacOS Catalina 10.15.7 Python 3.9.7 Problem When running tox with pyenv virtual environment, an error is raised like 1 2 3 4 5 6 $ tox -r ... py37 create: /Users/tatsuro.homma/repo/a/lib/thrift/AltKankoku/.tox/py37 ERROR: InterpreterNotFound: python3.7 py38 create: /Users/tatsuro.homma/repo/a/lib/thrift/AltKankoku/.tox/py38 ERROR: InterpreterNotFound: python3.8 tox.ini 1 2 3 4 5 6 7 8 [tox] envlist=py27, py37, py38, py39 indexserver = default = https://hoge/simple deps = -rrequirements.txt [testenv] commands = python setup.

Hello Flask

Environment MacOS 10.15.7 Catalina 1. Install 1 pip3 install Flask 2. HTTP GET 2.1 Composition 1 2 3 4 5 6 7 (main directory) ├app/ │ ├templates/ │ │ └index.html │ ├static/ │ └app.py └run.py 2.2 Source code app/run.py 1 2 3 4 from app.app import app if __name__ == "__main__": app.run() app/app.py 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 from flask import Flask, render_template, request app = Flask(__name__) # @app.

Install Octave on Mac

When drawing plot by octave on Mac, I had an error like: 1 2 3 octave3.8.0 gnuplot> set terminal aqua enhanced title "Figure 1" size 560 420 font "*,6" dashlength 1 ^ line 0: unknown or ambiguous terminal type; type just 'set terminal' for a list Install to Mac with M1 Chip Environment 1 2 3 4 5 $ sw_vers ProductName: macOS ProductVersion: 12.0 BuildVersion: 21A344 tmbp:~ tato$ Install 1 2 3 4 brew update brew upgrade brew doctor brew install octave Install to Mac with Intel Chip Environment MacOS 10.

Express application with Mongoose

1 Environment Mac OS Catalina 10.15.7 1 2 3 4 5 6 7 $ node -v v14.17.0 $ npm -v 6.14.13 $ mongo --version MongoDB shell version v4.4.5 ... 2 Prerequisite Create database name: “news_db” on MongoDB. See: Install MongoDB and use commands 1 Install Mongoose At the project repository, 1 $ npm i mongoose -S 2 Set MongoDB on Node.

Install MongoDB and use commands

1 Environment Mac OS Catalina 10.15.7 1 2 3 4 $ node -v v14.17.0 $ npm -v 6.14.13 2 Install MongoDB 1 2 $ brew tap mongodb/brew $ brew install mongodb-community@4.4 Ref. MongoDB document Warning $ brew install mongodb is failed as mongodb is removed from brew. 3 Start / Stop MongoDB 3.1 Start 1 2 3 $ brew services start mongodb-community@4.