HNB Exchange Rate CLI

Displays exchange rates for Croatian Kuna (HRK) from the Croatian National Bank (HNB). Data is fetched from the [HNB API](https://api.hnb.hr/).

Installation

Requires Python 3.7 or greater.

Drawing charts requires gnuplot.

Install from the Python Package Index:

pip install hnbex-cli

Usage

Commands:

• daily - Show daily exchange rates for all currencies
• range - Show exchange rates for a single currency in the given date range
• chart - Draw exchange rate chart for a single currency
• convert - Convert between currencies

Daily

Show rates for all currencies on a given date (if not given, date defaults to today):

$ hnbex daily 2017-07-03

HNB exchange rates on 2017-07-03

Currency  Unit    Buying    Median   Selling
--------  ----  --------  --------  --------
AUD          1  4.974959  4.989929  5.004899
CAD          1  4.984697  4.999696  5.014695
CZK          1  0.281550  0.282397  0.283244
DKK          1  0.993132  0.996120  0.999108
HUF        100  2.390306  2.397498  2.404690
JPY        100  5.783341  5.800743  5.818145
NOK          1  0.772153  0.774476  0.776799
SEK          1  0.764812  0.767113  0.769414
CHF          1  6.756313  6.776643  6.796973
GBP          1  8.410575  8.435883  8.461191
USD          1  6.474949  6.494432  6.513915
EUR          1  7.385326  7.407549  7.429772
PLN          1  1.748834  1.754096  1.759358

Range

Show rates for a single currency, for range of days.

The range defaults to the last 30 days, and can be changed by giving one or more of:

• --start or -s - the first day of the range (default calculated as end - days)
• --end or -e - the last day of the range (defaults to tomorrow)
• --days or -d - number of days in the range (defaults to 30)

$ hnbex range usd -d 10

HNB exchange rates for USD from 2021-08-26 to 2021-09-04

      Date  Unit    Buying    Median   Selling    Diff
----------  ----  --------  --------  --------  ------
2021-08-26     1  6.353770  6.372889  6.392008
2021-08-27     1  6.341215  6.360296  6.379377  -0.20%
2021-08-28     1  6.346328  6.365424  6.384520  +0.08%
2021-08-29     1  6.346328  6.365424  6.384520   0.00%
2021-08-30     1  6.346328  6.365424  6.384520   0.00%
2021-08-31     1  6.323093  6.342119  6.361145  -0.37%
2021-09-01     1  6.314960  6.333962  6.352964  -0.13%
2021-09-02     1  6.315040  6.334042  6.353044  +0.00%
2021-09-03     1  6.294947  6.313889  6.332831  -0.32%
2021-09-04     1  6.291559  6.310490  6.329421  -0.05%

Chart

This command requires gnuplot to be installed.

Draw a chart of exchange rate movement for range of days. Options are identical as hnbex range.

$ hnbex chart usd

USD Exchange Rates

6.42 +-+--+-+-+-+--+-+-+-+--+-+-+-+--+-+-+--+-+-+-+--+-+-+-+--+-+-+-+--+-+

            + + + x*x*x** + |

6.4 +-+ * +-+

6.38 +-+ x*x* * x +-+

                           x*x x*x |

6.36 +-+ * * * * +-+

                          * x*x*x xx x*x

6.34 +-+ * * +-+ | x x | 6.32 +-+ * +-+ 6.3 +-+ * +-+ | x | 6.28 +-+ x * +-+ x*xx*x* ** * | 6.26 +-+ x* * * * +-+ 6.24 +-+ x** * * * +-+ | * x*x**x + + + | 6.22 +-+--+-+-+-+--x-+-+-+--+-+-+-+--+-+-+--+-+-+-+--+-+-+-+--+-+-+-+--+-+ 09/21 09/28 10/05 10/12 Date

Also supports graphical charts:

$ hnbex chart usd --template qt

Which displays the chart:

Convert

Convert between HRK and anouther currency:

$ hnbex convert 150 hrk usd

150.0 HRK = 23.82 USD

Using the median rate 1 USD = 6.296589 HRK defined on 2017-08-21

When converting to HRK, the target currency can be ommited:

$ hnbex convert 500 jpy

500.0 JPY = 28.85 HRK

Using the median rate 100 JPY = 5.769743 HRK defined on 2017-08-21

If --value-only or -v option is used, only the resulting value will be output.

$ hnbex convert 500 jpy

28.85

The resulting value is rounded to 2 decimal places by default but can be changed by using the -p or --precision option:

$ hnbex convert 500 jpy -p 10

28.8487150000

License

Copyright © 2017-2021 Ivan Habunek <ivan@habunek.com>

Licensed under the GPLv3: http://www.gnu.org/licenses/gpl-3.0.html