Files
scrape-giant/scrape_costco.py

645 lines
19 KiB
Python

import csv
import json
import time
import re
from calendar import monthrange
from datetime import datetime, timedelta
from pathlib import Path
import click
from curl_cffi import requests
from retailer_sessions import load_costco_session
BASE_URL = "https://ecom-api.costco.com/ebusiness/order/v1/orders/graphql"
RETAILER = "costco"
SUMMARY_QUERY = """
query receiptsWithCounts($startDate: String!, $endDate: String!, $documentType: String!, $documentSubType: String!) {
receiptsWithCounts(startDate: $startDate, endDate: $endDate, documentType: $documentType, documentSubType: $documentSubType) {
inWarehouse
gasStation
carWash
gasAndCarWash
receipts {
warehouseName
receiptType
documentType
transactionDateTime
transactionBarcode
warehouseName
transactionType
total
totalItemCount
itemArray {
itemNumber
}
tenderArray {
tenderTypeCode
tenderDescription
amountTender
}
couponArray {
upcnumberCoupon
}
}
}
}
""".strip()
DETAIL_QUERY = """
query receiptsWithCounts($barcode: String!, $documentType: String!) {
receiptsWithCounts(barcode: $barcode, documentType: $documentType) {
receipts {
warehouseName
receiptType
documentType
transactionDateTime
transactionDate
companyNumber
warehouseNumber
operatorNumber
warehouseShortName
registerNumber
transactionNumber
transactionType
transactionBarcode
total
warehouseAddress1
warehouseAddress2
warehouseCity
warehouseState
warehouseCountry
warehousePostalCode
totalItemCount
subTotal
taxes
total
invoiceNumber
sequenceNumber
itemArray {
itemNumber
itemDescription01
frenchItemDescription1
itemDescription02
frenchItemDescription2
itemIdentifier
itemDepartmentNumber
unit
amount
taxFlag
merchantID
entryMethod
transDepartmentNumber
fuelUnitQuantity
fuelGradeCode
itemUnitPriceAmount
fuelUomCode
fuelUomDescription
fuelUomDescriptionFr
fuelGradeDescription
fuelGradeDescriptionFr
}
tenderArray {
tenderTypeCode
tenderSubTypeCode
tenderDescription
amountTender
displayAccountNumber
sequenceNumber
approvalNumber
responseCode
tenderTypeName
transactionID
merchantID
entryMethod
tenderAcctTxnNumber
tenderAuthorizationCode
tenderTypeNameFr
tenderEntryMethodDescription
walletType
walletId
storedValueBucket
}
subTaxes {
tax1
tax2
tax3
tax4
aTaxPercent
aTaxLegend
aTaxAmount
aTaxPrintCode
aTaxPrintCodeFR
aTaxIdentifierCode
bTaxPercent
bTaxLegend
bTaxAmount
bTaxPrintCode
bTaxPrintCodeFR
bTaxIdentifierCode
cTaxPercent
cTaxLegend
cTaxAmount
cTaxIdentifierCode
dTaxPercent
dTaxLegend
dTaxAmount
dTaxPrintCode
dTaxPrintCodeFR
dTaxIdentifierCode
uTaxLegend
uTaxAmount
uTaxableAmount
}
instantSavings
membershipNumber
}
}
}
""".strip()
ORDER_FIELDS = [
"retailer",
"order_id",
"order_date",
"delivery_date",
"service_type",
"order_total",
"payment_method",
"total_item_count",
"total_savings",
"your_savings_total",
"coupons_discounts_total",
"store_name",
"store_number",
"store_address1",
"store_city",
"store_state",
"store_zipcode",
"refund_order",
"ebt_order",
"raw_history_path",
"raw_order_path",
]
ITEM_FIELDS = [
"retailer",
"order_id",
"line_no",
"order_date",
"retailer_item_id",
"pod_id",
"item_name",
"upc",
"category_id",
"category",
"qty",
"unit",
"unit_price",
"line_total",
"picked_weight",
"mvp_savings",
"reward_savings",
"coupon_savings",
"coupon_price",
"image_url",
"raw_order_path",
"is_discount_line",
"is_coupon_line",
]
def build_headers(auth_headers):
headers = {
"accept": "*/*",
"content-type": "application/json-patch+json",
"costco.service": "restOrders",
"costco.env": "ecom",
"origin": "https://www.costco.com",
"referer": "https://www.costco.com/",
"user-agent": (
"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:148.0) "
"Gecko/20100101 Firefox/148.0"
),
}
headers.update(auth_headers)
return headers
def build_session():
retailer_session = load_costco_session()
click.echo(
"session bootstrap: "
f"cookies={bool(retailer_session.cookies)}, "
f"authorization={'costco-x-authorization' in retailer_session.headers}, "
f"client_id={'costco-x-wcs-clientId' in retailer_session.headers}, "
f"client_identifier={'client-identifier' in retailer_session.headers}"
)
auth = retailer_session.headers.get("costco-x-authorization", "")
if auth:
click.echo(
f"auth prefix ok={auth.startswith('Bearer ')} len={len(auth)} token_prefix={auth[:24]}"
)
click.echo(
"header values: "
f"client_id={retailer_session.headers.get('costco-x-wcs-clientId', '')} "
f"client_identifier={retailer_session.headers.get('client-identifier', '')}"
)
session = requests.Session()
session.cookies.update(retailer_session.cookies)
session.headers.update(build_headers(retailer_session.headers))
return session
def graphql_post(session, query, variables):
last_response = None
for attempt in range(3):
try:
response = session.post(
BASE_URL,
json={"query": query, "variables": variables},
impersonate="firefox",
timeout=30,
)
last_response = response
if response.status_code == 200:
return response.json()
click.echo(f"retry {attempt + 1}/3 status={response.status_code} body={response.text[:500]}")
except Exception as exc: # pragma: no cover - network error path
click.echo(f"retry {attempt + 1}/3 error={exc}")
time.sleep(3)
if last_response is not None:
last_response.raise_for_status()
raise RuntimeError("failed to fetch Costco GraphQL payload")
def safe_filename(value):
return re.sub(r'[<>:"/\\|?*]+', "-", str(value))
def summary_receipts(payload):
return payload.get("data", {}).get("receiptsWithCounts", {}).get("receipts", [])
def detail_receipts(payload):
return payload.get("data", {}).get("receiptsWithCounts", {}).get("receipts", [])
def summary_counts(payload):
counts = payload.get("data", {}).get("receiptsWithCounts", {})
return {
"inWarehouse": counts.get("inWarehouse", 0) or 0,
"gasStation": counts.get("gasStation", 0) or 0,
"carWash": counts.get("carWash", 0) or 0,
"gasAndCarWash": counts.get("gasAndCarWash", 0) or 0,
}
def parse_cli_date(value):
return datetime.strptime(value, "%m/%d/%Y").date()
def format_cli_date(value):
return f"{value.month}/{value.day:02d}/{value.year}"
def subtract_months(value, months):
year = value.year
month = value.month - months
while month <= 0:
month += 12
year -= 1
day = min(value.day, monthrange(year, month)[1])
return value.replace(year=year, month=month, day=day)
def resolve_date_range(months_back, today=None):
if months_back < 1:
raise click.ClickException("months-back must be at least 1")
end = today or datetime.now().date()
start = subtract_months(end, months_back)
return format_cli_date(start), format_cli_date(end)
def build_date_windows(start_date, end_date, window_days):
start = parse_cli_date(start_date)
end = parse_cli_date(end_date)
if end < start:
raise click.ClickException("end-date must be on or after start-date")
if window_days < 1:
raise click.ClickException("window-days must be at least 1")
windows = []
current = start
while current <= end:
window_end = min(current + timedelta(days=window_days - 1), end)
windows.append(
{
"startDate": format_cli_date(current),
"endDate": format_cli_date(window_end),
}
)
current = window_end + timedelta(days=1)
return windows
def unique_receipts(receipts):
by_barcode = {}
for receipt in receipts:
key = receipt_key(receipt)
if key:
by_barcode[key] = receipt
return list(by_barcode.values())
def receipt_key(receipt):
barcode = receipt.get("transactionBarcode", "")
transaction_date_time = receipt.get("transactionDateTime", "")
if not barcode:
return ""
return f"{barcode}::{transaction_date_time}"
def fetch_summary_windows(
session,
start_date,
end_date,
document_type,
document_sub_type,
window_days,
):
requests_metadata = []
combined_receipts = []
for window in build_date_windows(start_date, end_date, window_days):
variables = {
"startDate": window["startDate"],
"endDate": window["endDate"],
"text": "custom",
"documentType": document_type,
"documentSubType": document_sub_type,
}
payload = graphql_post(session, SUMMARY_QUERY, variables)
receipts = summary_receipts(payload)
counts = summary_counts(payload)
warehouse_count = sum(
1 for receipt in receipts if receipt.get("receiptType") == "In-Warehouse"
)
mismatch = counts["inWarehouse"] != warehouse_count
requests_metadata.append(
{
**variables,
"returnedReceipts": len(receipts),
"returnedInWarehouseReceipts": warehouse_count,
"inWarehouse": counts["inWarehouse"],
"gasStation": counts["gasStation"],
"carWash": counts["carWash"],
"gasAndCarWash": counts["gasAndCarWash"],
"countMismatch": mismatch,
}
)
if mismatch:
click.echo(
(
"warning: summary count mismatch for "
f"{window['startDate']} to {window['endDate']}: "
f"inWarehouse={counts['inWarehouse']} "
f"returnedInWarehouseReceipts={warehouse_count}"
),
err=True,
)
combined_receipts.extend(receipts)
unique = unique_receipts(combined_receipts)
aggregate_payload = {
"data": {
"receiptsWithCounts": {
"inWarehouse": sum(row["inWarehouse"] for row in requests_metadata),
"gasStation": sum(row["gasStation"] for row in requests_metadata),
"carWash": sum(row["carWash"] for row in requests_metadata),
"gasAndCarWash": sum(row["gasAndCarWash"] for row in requests_metadata),
"receipts": unique,
}
}
}
return aggregate_payload, requests_metadata
def flatten_costco_data(summary_payload, detail_payloads, raw_dir):
summary_lookup = {
receipt_key(receipt): receipt
for receipt in summary_receipts(summary_payload)
if receipt_key(receipt)
}
orders = []
items = []
for detail_payload in detail_payloads:
for receipt in detail_receipts(detail_payload):
order_id = receipt["transactionBarcode"]
receipt_id = receipt_key(receipt)
summary_row = summary_lookup.get(receipt_id, {})
coupon_numbers = {
row.get("upcnumberCoupon", "")
for row in summary_row.get("couponArray", []) or []
if row.get("upcnumberCoupon")
}
raw_order_path = raw_dir / f"{safe_filename(receipt_id or order_id)}.json"
orders.append(
{
"retailer": RETAILER,
"order_id": order_id,
"order_date": receipt.get("transactionDate", ""),
"delivery_date": receipt.get("transactionDate", ""),
"service_type": receipt.get("receiptType", ""),
"order_total": stringify(receipt.get("total")),
"payment_method": compact_join(
summary_row.get("tenderArray", []) or [], "tenderDescription"
),
"total_item_count": stringify(receipt.get("totalItemCount")),
"total_savings": stringify(receipt.get("instantSavings")),
"your_savings_total": stringify(receipt.get("instantSavings")),
"coupons_discounts_total": stringify(receipt.get("instantSavings")),
"store_name": receipt.get("warehouseName", ""),
"store_number": stringify(receipt.get("warehouseNumber")),
"store_address1": receipt.get("warehouseAddress1", ""),
"store_city": receipt.get("warehouseCity", ""),
"store_state": receipt.get("warehouseState", ""),
"store_zipcode": receipt.get("warehousePostalCode", ""),
"refund_order": "false",
"ebt_order": "false",
"raw_history_path": (raw_dir / "summary.json").as_posix(),
"raw_order_path": raw_order_path.as_posix(),
}
)
for line_no, item in enumerate(receipt.get("itemArray", []), start=1):
item_number = stringify(item.get("itemNumber"))
description = join_descriptions(
item.get("itemDescription01"), item.get("itemDescription02")
)
is_discount = is_discount_line(item)
is_coupon = is_discount and (
item_number in coupon_numbers
or description.startswith("/")
)
items.append(
{
"retailer": RETAILER,
"order_id": order_id,
"line_no": str(line_no),
"order_date": receipt.get("transactionDate", ""),
"retailer_item_id": item_number,
"pod_id": "",
"item_name": description,
"upc": "",
"category_id": stringify(item.get("itemDepartmentNumber")),
"category": stringify(item.get("transDepartmentNumber")),
"qty": stringify(item.get("unit")),
"unit": stringify(item.get("itemIdentifier")),
"unit_price": stringify(item.get("itemUnitPriceAmount")),
"line_total": stringify(item.get("amount")),
"picked_weight": "",
"mvp_savings": "",
"reward_savings": "",
"coupon_savings": stringify(item.get("amount") if is_coupon else ""),
"coupon_price": "",
"image_url": "",
"raw_order_path": raw_order_path.as_posix(),
"is_discount_line": "true" if is_discount else "false",
"is_coupon_line": "true" if is_coupon else "false",
}
)
return orders, items
def join_descriptions(*parts):
return " ".join(str(part).strip() for part in parts if part).strip()
def compact_join(rows, field):
values = [str(row.get(field, "")).strip() for row in rows if row.get(field)]
return " | ".join(values)
def is_discount_line(item):
amount = item.get("amount")
unit = item.get("unit")
description = join_descriptions(
item.get("itemDescription01"), item.get("itemDescription02")
)
try:
amount_val = float(amount)
except (TypeError, ValueError):
amount_val = 0.0
try:
unit_val = float(unit)
except (TypeError, ValueError):
unit_val = 0.0
return amount_val < 0 or unit_val < 0 or description.startswith("/")
def stringify(value):
if value is None:
return ""
return str(value)
def write_json(path, payload):
path.parent.mkdir(parents=True, exist_ok=True)
path.write_text(json.dumps(payload, indent=2), encoding="utf-8")
def write_csv(path, rows, fieldnames):
path.parent.mkdir(parents=True, exist_ok=True)
with path.open("w", newline="", encoding="utf-8") as handle:
writer = csv.DictWriter(handle, fieldnames=fieldnames)
writer.writeheader()
writer.writerows(rows)
@click.command()
@click.option(
"--outdir",
default="costco_output",
show_default=True,
help="Output directory for Costco raw and flattened files.",
)
@click.option(
"--document-type",
default="all",
show_default=True,
help="Summary document type.",
)
@click.option(
"--document-sub-type",
default="all",
show_default=True,
help="Summary document sub type.",
)
@click.option(
"--window-days",
default=92,
show_default=True,
type=int,
help="Maximum number of days to request per summary window.",
)
@click.option(
"--months-back",
default=36,
show_default=True,
type=int,
help="How many months of receipts to enumerate back from today.",
)
def main(outdir, document_type, document_sub_type, window_days, months_back):
outdir = Path(outdir)
raw_dir = outdir / "raw"
try:
session = build_session()
except Exception as exc:
raise click.ClickException(
f"failed to load Costco browser session: {exc}"
) from exc
start_date, end_date = resolve_date_range(months_back)
summary_payload, request_metadata = fetch_summary_windows(
session,
start_date,
end_date,
document_type,
document_sub_type,
window_days,
)
write_json(raw_dir / "summary.json", summary_payload)
write_json(raw_dir / "summary_requests.json", request_metadata)
receipts = summary_receipts(summary_payload)
detail_payloads = []
for receipt in receipts:
barcode = receipt["transactionBarcode"]
receipt_id = receipt_key(receipt) or barcode
click.echo(f"fetching {barcode}")
detail_payload = graphql_post(
session,
DETAIL_QUERY,
{"barcode": barcode, "documentType": "warehouse"},
)
detail_payloads.append(detail_payload)
write_json(raw_dir / f"{safe_filename(receipt_id)}.json", detail_payload)
orders, items = flatten_costco_data(summary_payload, detail_payloads, raw_dir)
write_csv(outdir / "orders.csv", orders, ORDER_FIELDS)
write_csv(outdir / "items.csv", items, ITEM_FIELDS)
click.echo(f"wrote {len(orders)} orders and {len(items)} item rows to {outdir}")
if __name__ == "__main__":
main()