script

#!/bin/env python

import sys
import os
sys.path.append('/home/mikee/progs/gnucash-maint/lib/python2.7/site-packages')
import gnucash
from gnucash import Session, Account, Split
import gnucash
import datetime
from fractions import Fraction

FILE = "./bare.gnucash"
url = "xml://"+FILE

# Read data from file
f = open('GB00B4PQW151.L')
data = []
while 1:
    tmp = f.readline()
    if(len(tmp)<2):
        break

    data.append(tmp)

f.close()

stock_date = []
stock_price = []
for i in range(1,len(data)):
    year = int(data[i].rsplit(',')[1].rsplit('/')[0])
    month = int(data[i].rsplit(',')[1].rsplit('/')[1])
    day = int(data[i].rsplit(',')[1].rsplit('/')[2])
    stock_date.append(datetime.datetime(year,month,day))
    stock_price.append(float(data[i].rsplit(',')[5]))

# Initialize Gnucash session
session = Session(url, True, False, False)
root = session.book.get_root_account()
book = session.book
account = book.get_root_account()
pdb = book.get_price_db()
commod_table = book.get_table()
stock = commod_table.lookup('FUND', 'GB00B4PQW151.L')
cur = commod_table.lookup('CURRENCY', 'GBP')
# Add the prices
pdb = book.get_price_db()
# Get stock data
pl = pdb.get_prices(stock,cur)
if len(pl)<1:
  print 'Need at least one database entry to clone ...'

pl0 = pl[0]
for i in range(1,len(pl)):
  pdb.remove_price(pl[i])

for i in range(0,len(stock_date)):
  p_new = pl0.clone(book)
  p_new = gnucash.GncPrice(instance=p_new)
  print 'Adding',i,stock_date[i],stock_price[i]
  p_new.set_time(stock_date[i])
  v = p_new.get_value()
  v.num = int(Fraction.from_float(stock_price[i]).limit_denominator(100000).numerator)
  v.denom = int(Fraction.from_float(stock_price[i]).limit_denominator(100000).denominator)
  p_new.set_value(v)
  pdb.add_price(p_new)

# Clean up
session.save()
session.end()
session.destroy()