Files
EDMarketConnector/commodity.py
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Python

"""Export various CSV formats."""
# -*- coding: utf-8 -*-
import time
import csv
from pathlib import Path
from config import config
from edmc_data import commodity_bracketmap as bracketmap
# DEFAULT means semi-colon separation
# CSV means comma separation
(COMMODITY_DEFAULT, COMMODITY_CSV) = range(2)
def export(data, kind=COMMODITY_DEFAULT, filename=None) -> None: # noqa: CCR001
"""
Export commodity data from the given CAPI data.
:param data: CAPI data.
:param kind: The type of file to write.
:param filename: Filename to write to, or None for a standard format name.
:return:
"""
querytime = config.get_int("querytime", default=int(time.time()))
if not filename:
sysname = data["lastSystem"]["name"].strip()
station = data["lastStarport"]["name"].strip()
timestamp = time.strftime("%Y-%m-%dT%H.%M.%S", time.localtime(querytime))
ext = "csv" if kind == COMMODITY_CSV else "scsv"
filename = (
Path(config.get_str("outdir")) / f"{sysname}.{station}.{timestamp}.{ext}"
)
system = data["lastSystem"]["name"]
station = data["lastStarport"]["name"]
if kind == COMMODITY_CSV:
header = ["System", "Station", "Commodity", "Sell", "Buy", "Demand",
"", "Supply", "", "Date"]
else:
header = ["System", "Station", "Commodity", "Sell", "Buy", "Demand",
"", "Supply", "", "Average", "FDevID", "Date"]
with open(filename, "w", newline="", encoding="utf-8") as output_file:
writer = csv.writer(output_file, delimiter=";" if kind == COMMODITY_DEFAULT else ",")
writer.writerow(header)
for commodity in data["lastStarport"]["commodities"]:
row = [
system,
station,
commodity["name"],
int(commodity["sellPrice"]) if commodity.get("sellPrice") is not None else "",
int(commodity["buyPrice"]) if commodity.get("buyPrice") is not None else "",
int(commodity["demand"]) if commodity.get("demandBracket") is not None else "",
bracketmap.get(commodity.get("demandBracket"), ""),
int(commodity["stock"]) if commodity.get("stockBracket") is not None else "",
bracketmap.get(commodity.get("stockBracket"), ""),
]
if kind == COMMODITY_DEFAULT:
mean = int(commodity["meanPrice"]) if commodity.get("meanPrice") is not None else ""
row.extend([mean, commodity["id"]])
row.append(data["timestamp"])
writer.writerow(row)