dolarPy

Checks USD/PYG exchange rate from several sites, with a calculator, RESTful API and a twitter bot

• Scraper: Checks USD/PYG exchange rate from several sites every 10 minutes, saves the info in a json file
• Webservice: Flask app to serve the API and display the main website with the calculator
• TwitterBot: Reads the webservice output and tweet it(in a human readable format)

DEMO/Webservice

http://dolar.melizeche.com/api/1.0/

Twitter Bot

https://twitter.com/DolarPy

Mobile

• For Android https://github.com/ivankoop/DolarPy-Android
• For Android-Kotlin https://github.com/LucasGinard/DolarPy-Android-Kotlin
• For iOS https://github.com/LucasGinard/DolarPy-iOS

API wrappers

• For Java https://github.com/melizeche/dolarpy-wrapper-java
• For Python https://github.com/melizeche/dolarpy-wrapper-python

Documentation in progress

Requirements

• Python 2.7+ or 3.5+
• BeautifulSoup4
• Flask
• Tweepy

Install

git clone git@github.com:melizeche/dolarPy.git
cd dolarPy
python3 -m venv env
# if venv module is not installed install with `sudo apt install python3-venv`
source env/bin/activate
pip install -r requirements.txt
crontab -e (add coti.py) // See example below
python cotiapp.py

On macOS High Sierra with python3 (also most linux distros)

# pip3 is installed with Python3
pip3 install virtualenv
# creating the virtualenv
virtualenv -p python3 env
# activate the virtualenv:
source env/bin/activate
pip3 install -r requirements.txt
# and the run
# if you need to deactivate the virtualenv:
deactivate

Crontab format and example

MIN HOUR DAYofMONTH MONTH DAYofWEEK PYTHONPATH SCRIPT

So for check/update the exchange rate every 10 minutes between 6am and 8pm on weekdays

*/10 6-20 * * 1-5 /apps/dolarPy/env/bin/python /apps/dolarPy/coti.py

And for tweet the exchange rate at 8am, 12pm and 6pm on weekdays

0 8,12,18 * * 1-5 /apps/dolarPy/env/bin/python /apps/dolarPy/single_tweet_bot.py

Contributing

1. Fork it!
2. Create your feature branch: git checkout -b my-new-feature
3. Commit your changes: git commit -am 'Add some feature'
4. Push to the branch: git push origin my-new-feature
5. Submit a pull request :D

Author

• Marcelo Elizeche Landó https://github.com/melizeche

Contributors / Thanks

• Alejo Carballude https://github.com/AlejoAsd
• Carlos Carvallo https://github.com/carloscarvallo
• Carlos Laspina https://github.com/claspina
• Carlos Vallejos https://github.com/cabupy
• Christian Zelaya https://github.com/eduzetapy
• Diego Díaz https://github.com/berithpy
• Diego Zacarías https://github.com/zv3
• Ivan Koop https://github.com/ivankoop
• Matías Sánchez https://github.com/MatiSanchez25
• Mauricio Medina https://github.com/mauri-medina
• Taras Samoilenko https://github.com/cos1715
• Alcides Rivarola https://github.com/alcides29
• Lucas Ginard https://github.com/LucasGinard
• Padaleiana https://github.com/padaleiana
• nestorcde https://github.com/nestorcde

TODO(APIv2)

• Better Documentation
• Add more currencies
• Databases support
• Historical data API endpoint

License

This project is licensed under the Apache 2.0 License - see the LICENSE.txt file for details