brotherton-erpnext/erpnext/stock/report/item_prices/item_prices.py

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# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt
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from __future__ import unicode_literals
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import frappe
from frappe.utils import flt
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def execute(filters=None):
if not filters: filters = {}
columns = get_columns(filters)
item_map = get_item_details()
pl = get_price_list()
last_purchase_rate = get_last_purchase_rate()
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bom_rate = get_item_bom_rate()
val_rate_map = get_valuation_rate()
from erpnext.accounts.utils import get_currency_precision
precision = get_currency_precision() or 2
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data = []
for item in sorted(item_map):
data.append([item, item_map[item]["item_name"],
item_map[item]["description"], item_map[item]["stock_uom"],
flt(last_purchase_rate.get(item, 0), precision),
flt(val_rate_map.get(item, 0), precision),
pl.get(item, {}).get("Selling"),
pl.get(item, {}).get("Buying"),
flt(bom_rate.get(item, 0), precision),
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flt(item_map[item]["standard_rate"], precision)
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])
return columns, data
def get_columns(filters):
"""return columns based on filters"""
columns = ["Item:Link/Item:100", "Item Name::150", "Description::150", "UOM:Link/UOM:80",
"Last Purchase Rate:Currency:90", "Valuation Rate:Currency:80", "Sales Price List::80",
"Purchase Price List::80", "BOM Rate:Currency:90", "Standard Rate:Currency:100"]
return columns
def get_item_details():
"""returns all items details"""
item_map = {}
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for i in frappe.db.sql("select name, item_name, description, \
stock_uom, standard_rate from tabItem \
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order by item_code", as_dict=1):
item_map.setdefault(i.name, i)
return item_map
def get_price_list():
"""Get selling & buying price list of every item"""
rate = {}
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price_list = frappe.db.sql("""select ip.item_code, ip.buying, ip.selling,
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concat(ip.price_list, " - ", ip.currency, " ", ip.price_list_rate) as price
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from `tabItem Price` ip, `tabPrice List` pl
where ip.price_list=pl.name and pl.enabled=1""", as_dict=1)
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for j in price_list:
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if j.price:
rate.setdefault(j.item_code, {}).setdefault("Buying" if j.buying else "Selling", []).append(j.price)
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item_rate_map = {}
for item in rate:
for buying_or_selling in rate[item]:
item_rate_map.setdefault(item, {}).setdefault(buying_or_selling,
", ".join(rate[item].get(buying_or_selling, [])))
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return item_rate_map
def get_last_purchase_rate():
item_last_purchase_rate_map = {}
query = """select * from (select
result.item_code,
result.base_rate
from (
(select
po_item.item_code,
po_item.item_name,
po.transaction_date as posting_date,
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po_item.base_price_list_rate,
po_item.discount_percentage,
po_item.base_rate
from `tabPurchase Order` po, `tabPurchase Order Item` po_item
where po.name = po_item.parent and po.docstatus = 1)
union
(select
pr_item.item_code,
pr_item.item_name,
pr.posting_date,
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pr_item.base_price_list_rate,
pr_item.discount_percentage,
pr_item.base_rate
from `tabPurchase Receipt` pr, `tabPurchase Receipt Item` pr_item
where pr.name = pr_item.parent and pr.docstatus = 1)
) result
order by result.item_code asc, result.posting_date desc) result_wrapper
group by item_code"""
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for d in frappe.db.sql(query, as_dict=1):
item_last_purchase_rate_map.setdefault(d.item_code, d.base_rate)
return item_last_purchase_rate_map
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def get_item_bom_rate():
"""Get BOM rate of an item from BOM"""
item_bom_map = {}
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for b in frappe.db.sql("""select item, (total_cost/quantity) as bom_rate
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from `tabBOM` where is_active=1 and is_default=1""", as_dict=1):
item_bom_map.setdefault(b.item, flt(b.bom_rate))
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return item_bom_map
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def get_valuation_rate():
"""Get an average valuation rate of an item from all warehouses"""
item_val_rate_map = {}
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for d in frappe.db.sql("""select item_code,
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sum(actual_qty*valuation_rate)/sum(actual_qty) as val_rate
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from tabBin where actual_qty > 0 group by item_code""", as_dict=1):
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item_val_rate_map.setdefault(d.item_code, d.val_rate)
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return item_val_rate_map