41 lines
1.0 KiB
Python
41 lines
1.0 KiB
Python
# stock.py
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class Stock:
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types = (str, int, float)
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def __init__(self, name, shares, price):
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self.name = name
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self.shares = shares
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self.price = price
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@classmethod
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def from_row(cls, row):
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values = [func(val) for func, val in zip(cls.types, row)]
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return cls(*values)
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def cost(self):
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return self.shares * self.price
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def sell(self, nshares):
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self.shares -= nshares
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def read_portfolio(filename):
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'''
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Read a CSV file of stock data into a list of Stocks
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'''
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import csv
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portfolio = []
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with open(filename) as f:
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rows = csv.reader(f)
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headers = next(rows)
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for row in rows:
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record = Stock.from_row(row)
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portfolio.append(record)
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return portfolio
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if __name__ == '__main__':
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import tableformat
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import reader
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# portfolio = read_portfolio('../../Data/portfolio.csv')
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portfolio = reader.read_csv_as_instances('../../Data/portfolio.csv', Stock)
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tableformat.print_table(portfolio, ['name', 'shares', 'price'])
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