def company_page_analysis(stock_company):
    try:
        page = requests.get('http://money.rediff.com/%s' % stock_company)
        time.sleep(2)
        tree = html.fromstring(page.content)
        company = CompanyPage(tree)
        primary_stats = _get_company_primary_stats(company, tree)
        if all([primary_stats.get('pe_ratio') > MIN_PE_THRESHOLD, primary_stats.get('pe_ratio') < MAX_PE_THRESHOLD, primary_stats.get('eps') > MIN_EPS_THRESHOLD, primary_stats.get('price_of_stock') < ((primary_stats.get('fifty_two_wk_high') + primary_stats.get('fifty_two_wk_low'))/2)]):


            #get all links
            balance_sheet_link = company.get_balance_sheet_link(tree)
            dividend_link = company.get_dividend_link(tree)
            ratio_link = company.get_ratio_link(tree)

            # go to balance sheet page for further analysis
            balance_sheet_page = requests.get('%s' % ''.join(balance_sheet_link))
            balance_sheet_tree = html.fromstring(balance_sheet_page.content)
            balance_sheet = BalanceSheet(balance_sheet_tree)
            current_assets_loans_advances = balance_sheet.get_current_assets_loans_advances(balance_sheet_tree)
            current_liabilities_and_provisions = balance_sheet.get_current_liabilities_and_provisions(balance_sheet_tree)
            total_net_current_assets = balance_sheet.get_total_net_current_assets(balance_sheet_tree)
            if total_net_current_assets > current_liabilities_and_provisions:
                # go to ratio page
                ratio_page = requests.get('%s' % ''.join(ratio_link))
                ratio_tree = html.fromstring(ratio_page.content)
                ratio = Ratio(ratio_tree)
                if ratio.consistent_dividend_payout(ratio_tree):
                    print(stock_company)

    except Exception as err:
        logger.error(err)


    return
from balance_sheet import BalanceSheet, add_expense, deposit

sheet = BalanceSheet()
deposit(sheet, 100)
print sheet.balance

for snapshot in sheet.replay():
    print snapshot