doctest with variable return value

[Rob Sinclar]

On Tuesday 25 July 2006 09:53, 3KWA wrote:
> Hi all,
>
> I am wondering what is the standard doctest (test) practice for
> functions who's returned value change all the time e.g. forex rate:
>
> import urllib
>
> def get_rate(symbol):
>     """get_rate(symbol) connects to yahoo finance to return the rate of
> symbol.
>
>     >>>get_rate('AUDEUR')
>
>     """
>
>     url=
> "http://finance.yahoo.com/d/quotes.csv?s=%s=X&f=sl1d1t1c1ohgv&e=.csv" %
> \
>          symbol
>     f=urllib.urlopen(url)
>     return float(f.readline().split(',')[1])
>
> As you can guess I am very new to unittest and doctest in general ...
>
> Thanks for your help,
>
> EuGeNe

Hi EuGeNe,
Pass it through a variable before returning a value.
Here's how I would do it:

import urllib2
def get_rate(symbol):
   
URL='http://finance.yahoo.com/d/quotes.csv?s=AUDEUR=X&f=sl1d1t1c1ohgv&e=.csv'
   request_headers = { 'User-Agent': 'Linuxinclar/0.1' }
   request = urllib2.Request(URL, None, request_headers)
   response = urllib2.urlopen(request)
   STR = response.read()
   return STR.split(',')[1].strip()

SYMB='AUDEUR'
print SYMB,'=',get_rate(SYMB)

Python rocks.
That's be nice to indicate hour though (4th array element)...

Best Regards,
Rob Sinclar