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A Python library to retrieve information on Ptax rates

Project description


PyPtax is a Python library and CLI to retrieve information on Ptax rates

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Features | Installation | Quickstart | Documentation | Contributing

What is Ptax?

Ptax exchange rate is the reference exchange rate for U.S. Dollar, expressed as the amount of Brazilian Reais per one U.S. Dollar, published by the Central Bank of Brazil.


  • Closing Ptax rates for a requested date
  • Historical Ptax rates for a requested period
  • Intermediary Ptax rates for a requested date


$ pip install pyptax


Closing Ptax rates for a requested date

Command line:

$ pyptax close --date 2020-01-20


>>> from pyptax import ptax
>>> bulletin = ptax.close("2020-01-20")
>>> bulletin.as_dict
    "datetime": "2020-01-20 13:09:02.871",
    "bid": 4.1823,
    "ask": 4.1829,
>>> bulletin.datetime
"2020-01-20 13:09:02.871"
>>> bulletin.ask

Historical Ptax rates for a requested period

Command line:

$ pyptax historical --start_date 2020-01-01 --end_date 2020-01-05


>>> from pyptax import ptax
>>> historical_bulletin = ptax.historical('2020-01-01', '2020-01-05')
>>> historical_bulletin
        Bulletin("2020-01-02 13:11:10.762", 4.0207, 4.0213, "close"),
        Bulletin("2020-01-03 13:06:22.606", 4.0516, 4.0522, "close"),

>>> historical_bulletin.as_dict
    "start_date": "2020-01-01",
    "end_date": "2020-01-03",
    "bulletins": [
            "datetime": "2020-01-02 13:11:10.762",
            "bid": 4.0207,
            "ask": 4.0213,
            "bulletin_type": "close"
            "datetime": "2020-01-03 13:06:22.606",
            "bid": 4.0516,
            "ask": 4.0522,
            "bulletin_type": "close"

:warning: Enter all dates in the format YYYY-MM-DD


The full documentation is available on


Please see the contributing page for guidance on setting up a development environment and how to contribute.

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