Python, object not supporting indexing

Question

I'm extracting data from Y!F using yahoo_finance module. A type error:

'Share' object does not support indexing

is occurring.

Any ideas?

import yahoo_finance
from yahoo_finance import Share

class ticker(object):
    def __init__(self, symbol):

        self.price = symbol.get_price()
        self.change = symbol.get_change()
        self.volume = symbol.get_volume()

symbol = ['GOOG','AAPL','MSFT']

lenSymbol = len(symbol)
cc = 0

while cc < lenSymbol:
    stringSymb = symbol[cc]
    symbol = Share(stringSymb) #TypeError occurring here
    c = ticker(symbol)
    output = ([c.volume, c.price, c.change, c.volume])
    print (output)
    cc += 1

Please provide the full traceback, not just the last line. — Martijn Pieters
– Martijn Pieters, Commented Jul 20, 2015 at 7:43
I'd bet the problem is shadowing the list symbol = ['GOOG', ...] with the Share instance symbol = Share(...)... — jonrsharpe
– jonrsharpe, Commented Jul 20, 2015 at 7:45

user3636636 · Accepted Answer · 2015-07-20 07:57:56Z

1

You are reassigning your list symbol to:

symbol = Share(stringSymb)

then next loop, you are trying to index symbol

stringSymb = symbol[cc]

And as the error states, the Share object that you reassigned symbol to, does not support indexing.

edited Jul 20, 2015 at 7:57

answered Jul 20, 2015 at 7:54

user3636636

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Comments

adrianus · Accepted Answer · 2015-07-20 08:03:08Z

You're using symbol twice:

symbol = ['GOOG','AAPL','MSFT']

And in the loop:

symbol = Share(stringSymb)

It seems that Share from yahoo_finance does not support indexing.

Try changing it to the following:

import yahoo_finance
from yahoo_finance import Share

class ticker(object):
    def __init__(self, symbol):
        self.price = symbol.get_price()
        self.change = symbol.get_change()
        self.volume = symbol.get_volume()

symbols = ['GOOG','AAPL','MSFT']

cc = 0
while cc < len(symbols):
    stringSymb = symbols[cc]
    symbol = Share(stringSymb)
    c = ticker(symbol)
    output = ([c.volume, c.price, c.change, c.volume])
    print (output)
    cc += 1

Output:

['11164943', '672.93', '+93.08', '11164943']
['46164710', '129.62', '+1.11', '46164710']
['29467107', '46.62', '-0.04', '29467107']

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