50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
import re
|
|
import scrapers
|
|
from decimal import Decimal, ROUND_UP
|
|
|
|
|
|
our_margin = Decimal('1.3')
|
|
|
|
|
|
def find_product_details(vendor_and_sku):
|
|
[vendor, sku] = vendor_and_sku.split(':', 2)
|
|
|
|
if vendor == 'ah':
|
|
return scrapers.ah_get_by_sku(sku)
|
|
|
|
raise Exception(f'unknown vendor: {vendor}')
|
|
|
|
|
|
def update_product_pricings(src):
|
|
lines = src.split('\n')
|
|
|
|
find_updatable = re.compile(r'#\s*(?P<sku>\S+)\s+(?P<units>\d+)x$')
|
|
find_aliases = re.compile(r'^(?P<aliases>\S+)')
|
|
|
|
lines_out = []
|
|
|
|
for line in lines:
|
|
m = find_updatable.search(line)
|
|
if not m:
|
|
lines_out.append(line)
|
|
continue
|
|
|
|
d = find_product_details(m['sku'])
|
|
|
|
product_aliases = set()
|
|
if not line.startswith('#'):
|
|
product_aliases = set(find_aliases.search(line)['aliases'].split(','))
|
|
product_aliases.add(d['ean'])
|
|
|
|
aliases = ','.join(sorted(product_aliases))
|
|
units = int(m["units"])
|
|
price = d['price']
|
|
|
|
# Apply a 30% margin and divide by the number of units per sold packaging.
|
|
unit_price = price * our_margin / units
|
|
# Round up to 5ct.
|
|
unit_price = (unit_price * 20).quantize(Decimal('1'), rounding=ROUND_UP) / 20
|
|
|
|
lines_out.append(f'{aliases}\t{unit_price:.2f}\t{d["name"]} # {m["sku"]} {units}x')
|
|
|
|
return '\n'.join(lines_out)
|