示例#1
0
    def test_micro_usd_nearly_equal(self):
        self.assertTrue(currency.micro_usd_nearly_equal(0, 10))
        self.assertTrue(currency.micro_usd_nearly_equal(0, -10))
        self.assertTrue(currency.micro_usd_nearly_equal(-10, 0))
        self.assertTrue(currency.micro_usd_nearly_equal(10, 0))

        self.assertTrue(currency.micro_usd_nearly_equal(42143241, 42143239))
        self.assertTrue(currency.micro_usd_nearly_equal(42143241, 42143243))

        self.assertFalse(currency.micro_usd_nearly_equal(0, 400))
        self.assertFalse(currency.micro_usd_nearly_equal(0, -200))
        self.assertFalse(currency.micro_usd_nearly_equal(-500, 0))
        self.assertFalse(currency.micro_usd_nearly_equal(200, 0))
示例#2
0
    def to_mint_transactions(self,
                             t,
                             skip_free_shipping=False):
        new_transactions = []

        # More expensive items are always more interesting when it comes to
        # budgeting, so show those first (for both itemized and concatted).
        items = sorted(
            self.items, key=lambda item: item.item_total, reverse=True)

        # Itemize line-items:
        for i in items:
            new_cat = category.get_mint_category_from_unspsc(i.unspsc_code)
            item = t.split(
                amount=i.item_total,
                category=new_cat,
                desc=i.get_title(88),
                note=self.get_note())
            new_transactions.append(item)

        # Itemize the shipping cost, if any.
        is_free_shipping = (
            self.shipping_charge and
            self.total_promotions and
            micro_usd_nearly_equal(
                self.total_promotions, self.shipping_charge))

        if is_free_shipping and skip_free_shipping:
            return new_transactions

        if self.shipping_charge:
            ship = t.split(
                amount=self.shipping_charge,
                category='Shipping',
                desc='Shipping',
                note=self.get_note())
            new_transactions.append(ship)

        # All promotion(s) as one line-item.
        if self.total_promotions:
            # If there was a promo that matches the shipping cost, it's nearly
            # certainly a Free One-day/same-day/etc promo. In this case,
            # categorize the promo instead as 'Shipping', which will cancel out
            # in Mint trends.
            cat = ('Shipping' if is_free_shipping else
                   category.DEFAULT_MINT_CATEGORY)
            promo = t.split(
                amount=-self.total_promotions,
                category=cat,
                desc='Promotion(s)',
                note=self.get_note(),
                is_debit=False)
            new_transactions.append(promo)

        return new_transactions
示例#3
0
    def set_quantity(self, new_quantity):
        """Sets the quantity of this item and updates all prices."""
        original_quantity = self.quantity

        assert new_quantity > 0
        subtotal_equal = micro_usd_nearly_equal(
            self.purchase_price_per_unit * original_quantity,
            self.item_subtotal)
        assert subtotal_equal < MICRO_USD_EPS

        self.item_subtotal = self.purchase_price_per_unit * new_quantity
        self.item_subtotal_tax = (
            self.item_subtotal_tax / original_quantity) * new_quantity
        self.item_total = self.item_subtotal + self.item_subtotal_tax
        self.quantity = new_quantity
示例#4
0
def get_mint_updates(
        orders,
        items,
        refunds,
        trans,
        args,
        stats,
        mint_category_name_to_id=category.DEFAULT_MINT_CATEGORIES_TO_IDS):
    mint_historic_category_renames = get_mint_category_history_for_items(
        trans, args)

    # Remove items from canceled orders.
    items = [i for i in items if not i.is_cancelled()]
    # Remove items that haven't shipped yet (also aren't charged).
    items = [i for i in items if i.order_status == 'Shipped']
    # Remove items with zero quantity (it happens!)
    items = [i for i in items if i.quantity > 0]
    # Make more Items such that every item is quantity 1. This is critical
    # prior to associate_items_with_orders such that items with non-1
    # quantities split into different packages can be associated with the
    # appropriate order.
    items = [si for i in items for si in i.split_by_quantity()]

    itemProgress = IncrementalBar('Matching Amazon Items with Orders',
                                  max=len(items))
    amazon.associate_items_with_orders(orders, items, itemProgress)
    itemProgress.finish()

    # Only match orders that have items.
    orders = [o for o in orders if o.items]

    trans = mint.Transaction.unsplit(trans)
    stats['trans'] = len(trans)
    # Skip t if the original description doesn't contain 'amazon'
    merch_whitelist = args.mint_input_merchant_filter.lower().split(',')
    trans = [
        t for t in trans if any(merch_str in t.omerchant.lower()
                                for merch_str in merch_whitelist)
    ]
    stats['amazon_in_desc'] = len(trans)
    # Skip t if it's pending.
    trans = [t for t in trans if not t.is_pending]
    stats['pending'] = stats['amazon_in_desc'] - len(trans)
    # Skip t if a category filter is given and t does not match.
    if args.mint_input_categories_filter:
        cat_whitelist = set(
            args.mint_input_categories_filter.lower().split(','))
        trans = [t for t in trans if t.category.lower() in cat_whitelist]

    # Match orders.
    orderMatchProgress = IncrementalBar('Matching Amazon Orders w/ Mint Trans',
                                        max=len(orders))
    match_transactions(trans, orders, orderMatchProgress)
    orderMatchProgress.finish()

    unmatched_trans = [t for t in trans if not t.orders]

    # Match refunds.
    refundMatchProgress = IncrementalBar(
        'Matching Amazon Refunds w/ Mint Trans', max=len(refunds))
    match_transactions(unmatched_trans, refunds, refundMatchProgress)
    refundMatchProgress.finish()

    unmatched_orders = [o for o in orders if not o.matched]
    unmatched_trans = [t for t in trans if not t.orders]
    unmatched_refunds = [r for r in refunds if not r.matched]

    num_gift_card = len([
        o for o in unmatched_orders
        if 'Gift Certificate' in o.payment_instrument_type
    ])
    num_unshipped = len([o for o in unmatched_orders if not o.shipment_date])

    matched_orders = [o for o in orders if o.matched]
    matched_trans = [t for t in trans if t.orders]
    matched_refunds = [r for r in refunds if r.matched]

    stats['trans_unmatch'] = len(unmatched_trans)
    stats['order_unmatch'] = len(unmatched_orders)
    stats['refund_unmatch'] = len(unmatched_refunds)
    stats['trans_match'] = len(matched_trans)
    stats['order_match'] = len(matched_orders)
    stats['refund_match'] = len(matched_refunds)
    stats['skipped_orders_gift_card'] = num_gift_card
    stats['skipped_orders_unshipped'] = num_unshipped

    merged_orders = []
    merged_refunds = []

    updateCounter = IncrementalBar('Determining Mint Updates',
                                   max=len(matched_trans))
    updates = []
    for t in matched_trans:
        updateCounter.next()
        if t.is_debit:
            order = amazon.Order.merge(t.orders)
            merged_orders.extend(orders)

            prefix = '{}: '.format(order.website)
            if args.description_prefix_override:
                prefix = args.description_prefix_override

            if order.attribute_subtotal_diff_to_misc_charge():
                stats['misc_charge'] += 1
            # It's nice when "free" shipping cancels out with the shipping
            # promo, even though there is tax on said free shipping. Spread
            # that out across the items instead.
            # if order.attribute_itemized_diff_to_shipping_tax():
            #     stats['add_shipping_tax'] += 1
            if order.attribute_itemized_diff_to_per_item_tax():
                stats['adjust_itemized_tax'] += 1

            assert micro_usd_nearly_equal(t.amount, order.total_charged)
            assert micro_usd_nearly_equal(t.amount, order.total_by_subtotals())
            assert micro_usd_nearly_equal(t.amount, order.total_by_items())

            new_transactions = order.to_mint_transactions(
                t, skip_free_shipping=not args.verbose_itemize)

        else:
            refunds = amazon.Refund.merge(t.orders)
            merged_refunds.extend(refunds)
            prefix = '{} refund: '.format(refunds[0].website)

            if args.description_return_prefix_override:
                prefix = args.description_return_prefix_override

            new_transactions = [r.to_mint_transaction(t) for r in refunds]

        assert micro_usd_nearly_equal(
            t.amount, mint.Transaction.sum_amounts(new_transactions))

        for nt in new_transactions:
            # Look if there's a personal category tagged.
            item_name = amazon.rm_leading_qty(nt.merchant.lower())
            if (mint_historic_category_renames
                    and item_name in mint_historic_category_renames):
                suggested_cat = mint_historic_category_renames[item_name]
                if suggested_cat != nt.category:
                    stats['personal_cat'] += 1
                    nt.category = mint_historic_category_renames[item_name]

            nt.update_category_id(mint_category_name_to_id)

        summarize_single_item_order = (t.is_debit and len(order.items) == 1
                                       and not args.verbose_itemize)
        if args.no_itemize or summarize_single_item_order:
            new_transactions = mint.summarize_new_trans(
                t, new_transactions, prefix)
        else:
            new_transactions = mint.itemize_new_trans(new_transactions, prefix)

        if mint.Transaction.old_and_new_are_identical(
                t, new_transactions, ignore_category=args.no_tag_categories):
            stats['already_up_to_date'] += 1
            continue

        valid_prefixes = (args.amazon_domains.lower().split(',') +
                          [prefix.lower()])
        if any(t.merchant.lower().startswith(pre) for pre in valid_prefixes):
            if args.prompt_retag:
                if args.num_updates > 0 and len(updates) >= args.num_updates:
                    break
                logger.info('\nTransaction already tagged:')
                print_dry_run([(t, new_transactions)],
                              ignore_category=args.no_tag_categories)
                logger.info('\nUpdate tag to proposed? [Yn] ')
                action = readchar.readchar()
                if action == '':
                    exit(1)
                if action not in ('Y', 'y', '\r', '\n'):
                    stats['user_skipped_retag'] += 1
                    continue
                stats['retag'] += 1
            elif not args.retag_changed:
                stats['no_retag'] += 1
                continue
            else:
                stats['retag'] += 1
        else:
            stats['new_tag'] += 1
        updates.append((t, new_transactions))

    if args.num_updates > 0:
        updates = updates[:args.num_updates]

    return updates, unmatched_orders + unmatched_refunds
示例#5
0
def associate_items_with_orders(
        all_orders, all_items, item_progress=NoProgress()):
    items_by_oid = defaultdict(list)
    for i in all_items:
        items_by_oid[i.order_id].append(i)
    orders_by_oid = defaultdict(list)
    for o in all_orders:
        orders_by_oid[o.order_id].append(o)

    for oid, orders in orders_by_oid.items():
        oid_items = items_by_oid[oid]

        if not micro_usd_nearly_equal(
                Order.sum_subtotals(orders),
                Item.sum_subtotals(oid_items)):
            # This is likely due to reports being pulled before all outstanding
            # orders have shipped. Just skip this order for now.
            continue

        if len(orders) == 1:
            orders[0].set_items(oid_items, assert_unmatched=True)
            item_progress.next(len(oid_items))
            continue

        # First try to divy up the items by tracking.
        items_by_tracking = defaultdict(list)
        for i in oid_items:
            items_by_tracking[i.tracking].append(i)

        # It is never the case that multiple orders with the same order id will
        # have the same tracking number. Try using tracking number to split up
        # the items between the orders.
        for order in orders:
            items = items_by_tracking[order.tracking]
            if micro_usd_nearly_equal(
                    Item.sum_subtotals(items),
                    order.subtotal):
                # A perfect fit.
                order.set_items(items, assert_unmatched=True)
                item_progress.next(len(items))
                # Remove the selected items.
                oid_items = [i for i in oid_items if i not in items]
        # Remove orders that have items.
        orders = [o for o in orders if not o.items]
        if not orders and not oid_items:
            continue

        orders = sorted(orders, key=lambda o: o.subtotal)

        # Partition the remaining items into every possible arrangement and
        # validate against the remaining orders.
        # TODO: Make a custom algorithm with backtracking.

        # The number of combinations are factorial, so limit the number of
        # attempts (by a 1 sec timeout) before giving up.
        start_time = time.time()
        for item_groupings in algorithm_u(oid_items, len(orders)):
            if time.time() - start_time > 1:
                break
            subtotals_with_groupings = sorted(
                [(Item.sum_subtotals(itms), itms)
                 for itms in item_groupings],
                key=lambda g: g[0])
            if all([micro_usd_nearly_equal(
                    subtotals_with_groupings[i][0],
                    orders[i].subtotal) for i in range(len(orders))]):
                for idx, order in enumerate(orders):
                    items = subtotals_with_groupings[idx][1]
                    order.set_items(items,
                                    assert_unmatched=True)
                    item_progress.next(len(items))
                break
    item_progress.finish()