daviddwlee84 / financenotifier

Periodically send webhook with stock or other finance feed summary.

Finance Notifier

Periodically send webhook with stock or other finance feed summary.

This can do what Chart-Img can do, and it's free.

Getting Started

Config your setting in config.yml

pip install -r requirements.txt
playwright install

python app.py
# or
flask run

docker compose up --build

Todo

• Able to host TradingView widget
• Able to take screenshot
• Discord webhook
• Able to pass HTTP GET parameter to create chart
• Periodically trigger
• Docker
  • Install Docker Engine on Ubuntu | Docker Documentation
  • Run the Docker daemon as a non-root user (Rootless mode) | Docker Documentation
• Load config into periodic/server.py's docker
• Try add indicators, strategies, studies on the TradingView Advanced Chart
• What if "click" the save image button on the TradingView Advanced Chart?
• Timezone alignment
  • Server time
  • Scheduler time
  • TradingView chart time
  • Timezones | Advanced Charts Documentation
• UI for changing config.yml
  • Pop error message for invalid config
    • Invalid scheduler config
    • Invalid YAML syntax
• Make notification time configurable
  • Error handling for scheduler job loading
• TradingView Screener
• Deploy to Heroku Heroku Buttons | Heroku, Creating a 'Deploy to Heroku' Button | Heroku Dev Center Since November 28, 2022, Heroku no longer offers its users a free tier or free Dynos / Netlify can only serve static website / PythonAnywhere's WSGI doesn't enable threads, which we are not able to use scheduler

Note

• gitattributes - How can I make git ignore future revisions to a file? - Stack Overflow
  • git update-index --skip-worktree config.yml

Resources

• Discord Webhook
  • lovvskillz/python-discord-webhook: execute discord webhooks
• Information
  • microsoft/playwright-python: Python version of the Playwright testing and automation library.
    • microsoft/playwright-pytest: Pytest plugin to write end-to-end browser tests with Playwright.
  • pyppeteer/pyppeteer: Headless chrome/chromium automation library (unofficial port of puppeteer)
  • CHART-IMG | Capture Chart Image By API
  • Free Stock Widgets — Financial Web Components — TradingView
    • Free Financial Chart Widget for Technical Analysis — TradingView
    • Technical Analysis Widget — Free and Powerful Tool — TradingView
    • Brokerage Integration to a Powerful Financial Platform — TradingView
• Period Run
  • schedule — schedule 1.2.0 documentation
    • dbader/schedule: Python job scheduling for humans.
  • python - How can I run an async function using the schedule library? - Stack Overflow
  • sched — Event scheduler — Python 3.11.4 documentation
  • threading — Thread-based parallelism — Python 3.11.4 documentation
  • Advanced Python Scheduler — APScheduler 3.9.1.post1 documentation
    • agronholm/apscheduler: Task scheduling library for Python
  • Flask APScheduler
    • viniciuschiele/flask-apscheduler: Adds APScheduler support to Flask
• Data Source
  • TradingView
    • Screener API
      • AnalyzerREST/python-tradingview-ta: Unofficial TradingView technical analysis API wrapper.
      • shner-elmo/TradingView-Screener: A package that lets you create TradingView screeners in Python!
    • Simulate user
      • Mathieu2301/TradingView-API: 📈 Get real-time stocks from TradingView

Trouble Shooting

pyppeteer (deprecated)

OSError: [WinError 14001] The application has failed to start because its side-by-side configuration is incorrect. Please see the application event log or use the command-line sxstrace.exe tool for more detail

• Crash on running the example screenshot script from the documentation in VSCode Windows 10 · Issue #248 · pyppeteer/pyppeteer
  • If anyone is having this issue; what fixed it for me was to uninstall the python version downloaded from the windows store and install python directly from their webpage. After doing so, I was able to launch Chromium using Pyppeteer.
• Can't run pyppeteer in local, or on web-based machine such as Replit · Issue #425 · pyppeteer/pyppeteer
  • longer updated. Check README.md for more info. You can use Playright instead.

Scheduler API 404

• python - Get list of all routes defined in the Flask app - Stack Overflow

$ flask routes
 * Ignoring a call to 'app.run()' that would block the current 'flask' CLI command.
   Only call 'app.run()' in an 'if __name__ == "__main__"' guard.
Endpoint                        Methods  Rule
------------------------------  -------  --------------------------------------
add_job                         POST     /scheduler/jobs
delete_job                      DELETE   /scheduler/jobs/<job_id>
discord_webhook                 GET      /discord_webhook
get_job                         GET      /scheduler/jobs/<job_id>
get_jobs                        GET      /scheduler/jobs
get_scheduler_info              GET      /scheduler
home                            GET      /
pause_job                       POST     /scheduler/jobs/<job_id>/pause
resume_job                      POST     /scheduler/jobs/<job_id>/resume
run_job                         POST     /scheduler/jobs/<job_id>/run
screenshot                      GET      /screenshot/<chart>
static                          GET      /static/<path:filename>
tradingview_advanced_chart      GET      /widget/tradingview_advanced_chart
tradingview_technical_analysis  GET      /widget/tradingview_technical_analysis
update_job                      PATCH    /scheduler/jobs/<job_id>

Seems if host is 0.0.0.0 will have some issue

Just because I am running an old one...

playwright dependencies in docker

 playwright._impl._api_types.Error:
 ╔══════════════════════════════════════════════════════╗
 ║ Host system is missing dependencies to run browsers. ║
 ║ Missing libraries:                                   ║
 ║     libgobject-2.0.so.0                              ║
 ║     libglib-2.0.so.0                                 ║
 ║     libnss3.so                                       ║
 ║     libnssutil3.so                                   ║
 ║     libsmime3.so                                     ║
 ║     libnspr4.so                                      ║
 ║     libatk-1.0.so.0                                  ║
 ║     libatk-bridge-2.0.so.0                           ║
 ║     libcups.so.2                                     ║
 ║     libgio-2.0.so.0                                  ║
 ║     libdrm.so.2                                      ║
 ║     libdbus-1.so.3                                   ║
 ║     libxcb.so.1                                      ║
 ║     libxkbcommon.so.0                                ║
 ║     libatspi.so.0                                    ║
 ║     libX11.so.6                                      ║
 ║     libXcomposite.so.1                               ║
 ║     libXdamage.so.1                                  ║
 ║     libXext.so.6                                     ║
 ║     libXfixes.so.3                                   ║
 ║     libXrandr.so.2                                   ║
 ║     libgbm.so.1                                      ║
 ║     libpango-1.0.so.0                                ║
 ║     libcairo.so.2                                    ║
 ║     libasound.so.2                                   ║
 ╚══════════════════════════════════════════════════════╝

• Docker | Playwright Python

playwright._impl._api_types.Error: Executable doesn't exist at /ms-playwright/chromium-1071/chrome-linux/chrome
╔═══════════════════════════════════════════════════════════════╗
║ Looks like Playwright was just updated to 1.36.0.             ║
║ Please update docker image as well.                           ║
║ -  current: mcr.microsoft.com/playwright/python:v1.35.0-jammy ║
║ - required: mcr.microsoft.com/playwright/python:v1.36.0-jammy ║
║                                                               ║
║ <3 Playwright Team                                            ║
╚═══════════════════════════════════════════════════════════════╝

RuntimeError: The scheduler seems to be running under uWSGI, but threads have been disabled. You must run uWSGI with the --enable-threads option for the scheduler to work.

• You must run uWSGI with the --enable-threads option for the scheduler to work. : Forums : PythonAnywhere
  • Async work in Web apps | PythonAnywhere help