KF3: Api additions and improvements.

This commit is contained in:
Katboi01 2023-09-04 14:20:35 +02:00
parent 12df873ead
commit 37225532c8
17 changed files with 353 additions and 169 deletions

18
app.py
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@ -1,12 +1,5 @@
from flask import Flask
from flask_restful import Api
from resources.KF3.friend import KF3_Friend
from resources.KF3.friends import KF3_Friends
from resources.Kingdom.friend import Kingdom_Friend
from resources.Kingdom.friends import Kingdom_Friends
from resources.Kingdom.item import Kingdom_Item
from resources.Kingdom.items import Kingdom_Items
from loaders.KF3.kf3db import KF3DB
from loaders.Kingdom.kingdomdb import KingdomDB
@ -14,17 +7,10 @@ app = Flask(__name__)
app.config['JSON_AS_ASCII'] = False
app.databases = {}
KF3DB(app)
KingdomDB(app)
api = Api(app)
api.add_resource(KF3_Friend, "/KF3/Friend/<int:id>")
api.add_resource(KF3_Friends, "/KF3/Friends")
api.add_resource(Kingdom_Friend, "/Kingdom/Friend/<int:id>")
api.add_resource(Kingdom_Friends, "/Kingdom/Friends")
api.add_resource(Kingdom_Item, "/Kingdom/Item/<int:id>")
api.add_resource(Kingdom_Items, "/Kingdom/Items")
KF3DB(api)
KingdomDB(api)
if __name__ == '__main__':
app.run(host='127.0.0.1', port=8080, debug=True)

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@ -5,8 +5,9 @@ import json
class KF3_Friend(Resource):
def get(self, id:int):
db = app.databases["KF3"]
if "wiki" in request.args:
result = app.databases["KF3"].get_chara_wiki(id)
result = db.get_chara_wiki(id)
response = app.response_class(
response=result,
@ -14,8 +15,8 @@ class KF3_Friend(Resource):
mimetype='text/plain'
)
else:
result = app.databases["KF3"].get_chara(id)
result = json.dumps(result)
result = db.get_chara(id)
result = json.dumps(result, ensure_ascii=False, indent=1)
response = app.response_class(
response=result,

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@ -1,15 +1,20 @@
import json
from flask_restful import Resource
from flask import current_app as app
from flask import request
class KF3_Friends(Resource):
def get(self):
db = app.databases["KF3"]
result = []
for value in db.charaData.values():
result.append({"id": value["id"], "name": value["nameEn"]})
for value in db.processed_friends.values():
result.append({"id": value["id"], "name": value["nameEn"], "startTime" : value["startTime"], "startTimeRaw" : value["startTimeRaw"]})
result = sorted(result, key=lambda f: f["id"])
sort_arg = request.args["sort"] if "sort" in request.args and request.args["sort"] in result[0] else "id"
if sort_arg == "startTime":
sort_arg = "startTimeRaw"
result = sorted(result, key=lambda f: f[sort_arg])
response = app.response_class(
response=json.dumps(result, ensure_ascii=False, indent=1),

27
endpoints/KF3/update.py Normal file
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@ -0,0 +1,27 @@
from flask_restful import Resource
from flask import current_app as app
from flask import request
import json
class KF3_Update(Resource):
def post(self):
db = app.databases["KF3"]
try:
db.reload_data()
response = app.response_class(
response="update successful",
status=200,
mimetype='text/plain'
)
except:
response = app.response_class(
response="update failed",
status=500,
mimetype='text/plain'
)
response.headers.add("Access-Control-Allow-Origin", "*")
return response
def get(self):
return self.post()

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@ -1,44 +1,55 @@
import gzip
import json
import platform
import UnityPy
from loaders.KF3.charaData import get_all_stats, fill_miracle_numbers
from datetime import datetime
from loaders.KF3.statCalculation import get_all_stats, fill_miracle_numbers
from endpoints.KF3.friend import KF3_Friend
from endpoints.KF3.friends import KF3_Friends
from endpoints.KF3.update import KF3_Update
class KF3DB:
processed_friends = {}
paramAbilities = {}
paramAbilities1 = {}
paramAbilities2 = {}
paramAlphaBases = {}
paramArts = {}
paramSpecialAttacks = {}
paramWaitActions = {}
charaData = {}
promoteData = {}
promotePresetData = {}
charaClothesData = {}
limitlevel_rising_status = {}
def __init__(self, app) -> None:
def __init__(self, api) -> None:
app = api.app
if "KF3" in app.databases:
del app.databases["KF3"]
self.parse_parameter()
self.reload_data()
with gzip.open("data/KF3/CHARA_DATA.d", mode="rt", encoding="utf-8") as file:
app.databases["KF3"] = self
api.add_resource(KF3_Friend, "/KF3/Friend/<int:id>")
api.add_resource(KF3_Friends, "/KF3/Friends")
api.add_resource(KF3_Update, "/KF3/Update")
def reload_data(self):
self.charaData = {}
self.promoteData = {}
self.promotePresetData = {}
self.charaClothesData = {}
self.limitlevel_rising_status = {}
if platform.system() == "Windows":
path = "H:\\Apache\\Katworks\\KF\\assets\\KF3\\mst\\"
else:
path = "/media/USB2/Apache/Katworks/KF/assets/KF3/mst//"
with gzip.open(path + "CHARA_DATA.d", mode="rt", encoding="utf-8") as file:
for entry in json.loads(file.read()):
self.charaData[entry["id"]] = entry
with gzip.open("data/KF3/CHARA_PROMOTE_DATA.d", mode="rt", encoding="utf-8") as file:
with gzip.open(path + "CHARA_PROMOTE_DATA.d", mode="rt", encoding="utf-8") as file:
for entry in json.loads(file.read()):
self.promoteData[entry["promoteId"]] = entry
with gzip.open("data/KF3/CHARA_PROMOTE_PRESET_DATA.d", mode="rt", encoding="utf-8") as file:
with gzip.open(path + "CHARA_PROMOTE_PRESET_DATA.d", mode="rt", encoding="utf-8") as file:
for entry in json.loads(file.read()):
if entry["promotePresetId"] not in self.promotePresetData:
self.promotePresetData[entry["promotePresetId"]] = []
self.promotePresetData[entry["promotePresetId"]].append(entry)
with gzip.open("data/KF3/CHARA_CLOTHES_DATA.d", mode="rt", encoding="utf-8") as file:
with gzip.open(path + "CHARA_CLOTHES_DATA.d", mode="rt", encoding="utf-8") as file:
for entry in json.loads(file.read()):
if entry["clothesPresetId"] not in self.charaClothesData:
self.charaClothesData[entry["clothesPresetId"]] = []
@ -48,11 +59,24 @@ class KF3DB:
for entry in json.loads(file.read()):
self.limitlevel_rising_status[entry["patternId"]] = entry
self.parse_parameter()
self.process_friends()
app.databases["KF3"] = self
def parse_parameter(self):
paramAsset = UnityPy.load("data/KF3/assets/parameter.asset")
self.paramAbilities = {}
self.paramAbilities1 = {}
self.paramAbilities2 = {}
self.paramAlphaBases = {}
self.paramArts = {}
self.paramSpecialAttacks = {}
self.paramWaitActions = {}
if platform.system() == "Windows":
path = "H:\\Apache\\Katworks\\KF\\assets\\KF3\\assets\\"
else:
path = "/media/USB2/Apache/Katworks/KF/assets/KF3/assets//"
paramAsset = UnityPy.load(path + "parameter.asset")
for obj in paramAsset.objects:
data = obj.read()
if data.name.split('_')[0] == "ParamAbility":
@ -122,10 +146,18 @@ class KF3DB:
chara["promoteBonus"] = promote_bonus
chara["costumeBonus"] = costume_bonus
chara["attribute"] = charaData["attribute"]
chara["name"] = charaData["name"]
chara["nameEn"] = charaData["nameEn"]
chara["nickname"] = charaData["nickname"]
chara["rankLow"] = charaData["rankLow"]
chara["rankHigh"] = charaData["rankHigh"]
chara["castName"] = charaData["castName"]
chara["loginText"] = charaData["loginText"]
chara["flavorText"] = charaData["flavorText"]
chara["kizunaupText"] = charaData["kizunaupText"]
chara["greetingText"] = charaData["greetingText"]
chara["startTimeRaw"] = charaData["startTime"]
chara["startTime"] = datetime.fromtimestamp(charaData["startTime"]/1000.0).strftime('%A, %B %d, %Y')
chara["wr"] = 4 if wrLocked else 5
chara["is_wr5"] = chara["wr"] == 5
@ -158,6 +190,8 @@ class KF3DB:
chara["wait_action"] = self.paramWaitActions[id] if id in self.paramWaitActions else None
chara["special_attack"] = self.paramSpecialAttacks[id] if id in self.paramSpecialAttacks else None
chara["costumes"] = self.get_costumes(id, chara["rankLow"])
return chara
def get_chara(self, id : int):
@ -168,6 +202,8 @@ class KF3DB:
def get_chara_wiki(self, id : int):
chara = self.get_chara(id)
if chara is None:
return None
lines = []
@ -182,7 +218,7 @@ class KF3DB:
f"[[Category:{stars_word} Star KF3 Friends]]",
f"[[Category:Missing Content]]",
f"[[Category:Needs Audio]]",
f"{{{{#vardefine:id|{str(chara['id'])}}}}}"
f"{{{{#vardefine:id|{str(chara['id']).zfill(4)}}}}}"
]
if chara['has_party_dress']:
@ -200,7 +236,7 @@ class KF3DB:
lines.append(f"|apprarity={{{{KF3{chara['rankLow']}Star}}}}")
lines.append(f"|seiyuu={chara['castName']}")
lines.append(f"|attribute={attribute_word} {{{{KF3{attribute_word}}}}}")
lines.append(f"|implemented={0}")
lines.append(f"|implemented={chara['startTime']} (App)")
lines.append(f"|id={chara['id']}")
lines.append(f"|wr5={'Yes' if chara['is_wr5'] else 'No'}")
lines.append(f"|rainbowtrait={'Yes' if chara['has_rainbow_trait'] else 'No'}")
@ -226,6 +262,7 @@ class KF3DB:
lines.append(f"|maxbeat={chara['stats_max']['beat']}%")
lines.append(f"|maxaction={chara['stats_max']['act']}%")
lines.append(f"|maxtry={chara['stats_max']['try']}%")
lines.append("")
cards_str = "|flags="
for card in chara["cards"]:
cards_str += " {{"
@ -271,6 +308,214 @@ class KF3DB:
else:
lines.append(f"|rainbowtrait=N/A")
lines.append(f"|rainbowtraitskill=Not Implemented.")
lines.append("")
lines.append(f"|bondup={chara['kizunaupText']}")
lines.append(f"|profile={chara['flavorText']}")
lines.append(f"|greeting={chara['loginText']}")
lines.append(f"|selfintro={chara['greetingText']}")
lines.append(f"|enselfintro=")
cos_images = "|cos = " + ",".join([costume["image_name"] for costume in chara["costumes"]]) + ",end"
cos_obtain = "|cosobt = " + ",".join([costume["obtain"] for costume in chara["costumes"]])
cos_names = "|cosname = " + ",".join([costume["name"] for costume in chara["costumes"]])
lines.append("")
lines.append(cos_images)
lines.append(cos_names)
lines.append(cos_obtain)
lines.append("}}")
return "\n".join(lines)
return "\n".join(lines)
def get_costumes(self, id : int, defaultRarity : int):
if id not in self.charaClothesData:
return []
output = []
data = self.charaClothesData[id]
for costume in data:
cos = {
"image_name" : f"icon dressup {costume['id']}.png",
"obtain" : "Limited"
}
cosId = costume['clothesId']
if cosId == 1:
cos["name"] = "Default"
cos["obtain"] = "Default"
elif cosId == 2:
cos["name"] = "Personal Fashion"
cos["obtain"] = f"Upgrade to {costume['getRank']} Stars" if defaultRarity < costume['getRank'] else "Default"
elif cosId == 3:
cos["name"] = "Tracksuit"
cos["obtain"] = f"Upgrade to {costume['getRank']} Stars" if defaultRarity < costume['getRank'] else "Default"
elif cosId == 4:
cos["name"] = "Park Staff"
cos["obtain"] = f"Upgrade to {costume['getRank']} Stars" if defaultRarity < costume['getRank'] else "Default"
elif cosId == 5:
cos["name"] = "Café Uniform"
cos["obtain"] = f"Upgrade to {costume['getRank']} Stars" if defaultRarity < costume['getRank'] else "Default"
elif cosId == 6:
cos["name"] = "Special Outfit 1"
elif cosId == 8:
cos["name"] = "Party Dress"
cos["obtain"] = "Increase Photo Pocket level to 12"
elif cosId == 9:
cos["name"] = "School Uniform"
elif cosId == 10:
cos["name"] = "Gym Clothes"
elif cosId == 11:
cos["name"] = "Raincoat"
elif cosId == 12:
cos["name"] = "Hanamaru Animal Swimsuit"
elif cosId == 13:
cos["name"] = "Cafe Uniform (Green)"
cos["obtain"] = "Dojo reward"
elif cosId == 14:
cos["name"] = "Cafe Uniform (Blue)"
cos["obtain"] = "Dojo reward"
elif cosId == 15:
cos["name"] = "Cafe Uniform (Pink)"
cos["obtain"] = "Dojo reward"
elif cosId == 16:
cos["name"] = "Orihime Costume"
elif cosId == 17:
cos["name"] = "Arle's Outfit"
elif cosId == 18:
cos["name"] = "Marine Nanoda! Swimsuit"
elif cosId == 19:
cos["name"] = "Batten Japari Dan Swimsuit"
elif cosId == 20:
cos["name"] = "Lifeguard Swimsuit"
elif cosId == 21:
cos["name"] = "Harvest Festival Outfit"
elif cosId == 22:
cos["name"] = "Halloween Costume"
elif cosId == 23:
cos["name"] = "Classic Maid Uniform"
elif cosId == 24:
cos["name"] = "Arle's Outfit"
elif cosId == 25:
cos["name"] = "Swimsuit"
elif cosId == 26:
cos["name"] = "Swimsuit"
elif cosId == 27:
cos["name"] = "Swimsuit"
elif cosId == 28:
cos["name"] = "Matching Clothes"
elif cosId == 29:
cos["name"] = "Frilly Frilly PPP Bikini"
elif cosId == 30:
cos["name"] = "Venus Flower Bikini"
elif cosId == 31:
cos["name"] = "Christmas Dress"
elif cosId == 32:
cos["name"] = "Chinese Shrine Maiden"
elif cosId == 33:
cos["name"] = "Chinese Dress"
elif cosId == 34:
cos["name"] = "Hanamaru Stage Costume"
elif cosId == 35:
cos["name"] = "Camo Outfit"
elif cosId == 36:
cos["name"] = "でびでび・ふりる"
elif cosId == 37:
cos["name"] = "夜に紛れし闇の衣"
elif cosId == 38:
cos["name"] = "Santa"
elif cosId == 39:
cos["name"] = "Fluffy Pajamas"
elif cosId == 40:
cos["name"] = "Japanese Armor"
elif cosId == 41:
cos["name"] = "Miko Outfit"
elif cosId == 42:
cos["name"] = "PPP Hoodie"
elif cosId == 43:
cos["name"] = "Blue Tracksuit"
elif cosId == 44:
cos["name"] = "Park Staff (beige)"
elif cosId == 45:
cos["name"] = "Sailor School Uniform"
elif cosId == 46:
cos["name"] = "Snow Knight Dress"
elif cosId == 47:
cos["name"] = "Sparkling Tree Dress"
elif cosId == 48:
cos["name"] = "Retro Detective"
elif cosId == 49:
cos["name"] = "Steampunk Detective"
elif cosId == 50:
cos["name"] = "鞠と花びらのはんなり和風服"
elif cosId == 51:
cos["name"] = "Numazu Deep Sea Aquarium Clothes"
elif cosId == 52:
cos["name"] = "たのしいことをお届け!"
elif cosId == 53:
cos["name"] = "かわいい勝負ですよ!ワンピース水着"
elif cosId == 54:
cos["name"] = "どきどき♡ずっきゅんビキニ"
elif cosId == 55:
cos["name"]= "のんほいパークの服"
else:
print(f"{costume['clothesId']}\t{costume['id']}\t{costume['name']}")
continue
output.append(cos)
return output

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@ -87,6 +87,31 @@ def calculate_stats(friend, awaken : int, level : int, trust_percent = 0, trustA
return stats
def get_stat_growth(friend, awaken : int):
stats_array = friend["attrScriptParam"]
max_awaken = friend["maxAwaken"]
awaken_step = max_awaken + 2
atk_ptr = 1 * awaken_step
satk_ptr = 2 * awaken_step
pdef_ptr = 3 * awaken_step
sdef_ptr = 4 * awaken_step
hp_ptr = 5 * awaken_step
speed_ptr = 6 * awaken_step
stats = {}
i = awaken
stats["patk"] += stats_array[atk_ptr + 1 + i]
stats["satk"] += stats_array[satk_ptr + 1 + i]
stats["pdef"] += stats_array[pdef_ptr + 1 + i]
stats["sdef"] += stats_array[sdef_ptr + 1 + i]
stats["hp"] += stats_array[hp_ptr + 1 + i]
stats["speed"] += stats_array[speed_ptr + 1 + i]
return stats
def clean_skill_string(input_string):
if input_string is None:
return None

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@ -3,6 +3,11 @@ import platform
from loaders.Kingdom.numeric import numeric
from loaders.Kingdom.kemono import clean_skill_string, calculate_stats, fill_miracle, get_awaken_materials, get_skill_materials
from endpoints.Kingdom.friend import Kingdom_Friend
from endpoints.Kingdom.friends import Kingdom_Friends
from endpoints.Kingdom.item import Kingdom_Item
from endpoints.Kingdom.items import Kingdom_Items
#element 1-orange 2-blue 3-green
#showSkillType 1-control 2-guard 3-heal 4-support 5-assault 6-aoe
@ -10,7 +15,8 @@ class KingdomDB:
processed_friends = {}
item_stages = {}
def __init__(self, app) -> None:
def __init__(self, api) -> None:
app = api.app
if "Kingdom" in app.databases:
del app.databases["Kingdom"]
@ -45,6 +51,10 @@ class KingdomDB:
self.process_stages()
app.databases["Kingdom"] = self
api.add_resource(Kingdom_Friend, "/Kingdom/Friend/<int:id>")
api.add_resource(Kingdom_Friends, "/Kingdom/Friends")
api.add_resource(Kingdom_Item, "/Kingdom/Item/<int:id>")
api.add_resource(Kingdom_Items, "/Kingdom/Items")
def process_friends(self):
self.processed_friends = {}
@ -87,11 +97,15 @@ class KingdomDB:
raise Exception()
if bk_value["effectType1"] == 4:
lb = self.kfk_en_kemono_WkPaDc.get(bk_value['effectParam1'][0] * 100)
if lb is None:
lb = {"name": None, "describe": None}
limit_breaks.append({"name": lb["name"], "desc": clean_skill_string(lb["describe"])})
habits = []
for habit in friend["habitSn"]:
hbt = self.kfk_en_kemono_WkPaDc.get(habit*100)
if hbt is None:
hbt = {"name": None, "describe": None}
habits.append({"name":hbt["name"], "desc":hbt["describe"]})
for i in range (3):
if len(habits) < i+1:
@ -103,6 +117,8 @@ class KingdomDB:
awaken_id = friend_id * 100 + i
awaken = self.kfk_kemono_waken.get(awaken_id)
awaken1 = self.kfk_en_kemono_waken.get(awaken_id)
if awaken1 == None:
awaken1 = {"describe":"missing", "brilliance":"missing"}
if awaken != None and awaken1 != None:
awaken["en"] = awaken1
awakens.append(awaken)

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@ -1,36 +0,0 @@
import requests
from datetime import datetime
from flask_restful import Resource
from flask import jsonify, make_response
from resources.shared import API_URL, VALID_CURRENCIES_A, ERROR_CURRENCY_CODE, ERROR_DATE_FORMAT, ERROR_NO_DATA
class AverageRate(Resource):
def get(self, date : str, currency : str):
"""
Returns average exchange rate for the specified currency and date.
Weekends and holidays return code 404.
"""
if not currency.upper() in VALID_CURRENCIES_A:
return make_response(jsonify({"error": ERROR_CURRENCY_CODE}), 400)
try:
date_temp = datetime.strptime(date, "%Y-%m-%d")
if date_temp.weekday() in [5,6]:
return make_response(jsonify({"error": ERROR_NO_DATA}), 404)
#ensure correct date string format
date = date_temp.strftime("%Y-%m-%d")
except:
return make_response(jsonify({"error": ERROR_DATE_FORMAT}), 400)
url = f"{API_URL}/exchangerates/rates/a/{currency}/{date}/"
response = requests.get(url)
if response.status_code == 200:
data = response.json()
return make_response(jsonify({"mid": data["rates"][0]["mid"]}), 200)
elif response.status_code == 404:
return make_response(jsonify({"error": ERROR_NO_DATA}), 404)
else:
return make_response(jsonify({"error": response.text}), 400)

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@ -1,34 +0,0 @@
import requests
from flask_restful import Resource
from flask import jsonify, make_response
from resources.shared import API_URL, ERROR_CURRENCY_CODE, ERROR_DATE_RANGE, VALID_CURRENCIES_C
class DifferenceLast(Resource):
def get(self, currency : str, num_days : int):
"""
Returns the highest difference between "ask" and "bid" values, and the day it occured.
Weekends and holidays are skipped and do not count towards the 'num_days' limit."
"""
if not currency.upper() in VALID_CURRENCIES_C:
return make_response(jsonify({"error": ERROR_CURRENCY_CODE}), 400)
if not (num_days > 0 and num_days < 256):
return make_response(jsonify({"error": ERROR_DATE_RANGE}), 400)
url = f"{API_URL}/exchangerates/rates/c/{currency}/last/{num_days}/"
response = requests.get(url)
if response.status_code == 200:
data = response.json()
result = {"diff_max": 0, "date":""}
for rate in data["rates"]:
#ensure correct precision
difference = round(rate["ask"] - rate["bid"],4)
#spread can be negative on rare occasions
if abs(difference) > abs(result["diff_max"]):
result["diff_max"] = difference
result["date"] = rate["effectiveDate"]
return make_response(jsonify(result), 200)
else:
return make_response(jsonify({"error": response.text}), 400)

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@ -1,38 +0,0 @@
import requests
from flask_restful import Resource
from flask import jsonify, make_response
from resources.shared import API_URL, ERROR_CURRENCY_CODE, ERROR_DATE_RANGE, VALID_CURRENCIES_A
class MinMaxLast(Resource):
def get(self, currency : str, num_days : int):
"""
Returns minimum and maximum average exchange rate values, and the days they occured.
Weekends and holidays are skipped and do not count towards the 'num_days' limit."
"""
if not currency.upper() in VALID_CURRENCIES_A:
return make_response(jsonify({"error": ERROR_CURRENCY_CODE}), 400)
if not (num_days > 0 and num_days < 256):
return make_response(jsonify({"error": ERROR_DATE_RANGE}), 400)
url = f"{API_URL}/exchangerates/rates/a/{currency}/last/{num_days}/"
response = requests.get(url)
if response.status_code == 200:
data = response.json()
result = {"mid_min": data["rates"][0]["mid"], "date_min":"", "mid_max": data["rates"][0]["mid"], "date_max":""}
for rate in data["rates"]:
#if rates are equal, return the more recent one
#recent values are at the end of the list
if rate["mid"] >= result["mid_max"]:
result["mid_max"] = rate["mid"]
result["date_max"] = rate["effectiveDate"]
if rate["mid"] <= result["mid_min"]:
result["mid_min"] = rate["mid"]
result["date_min"] = rate["effectiveDate"]
return make_response(jsonify(result), 200)
else:
return make_response(jsonify({"error": response.text}), 400)

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@ -1,13 +0,0 @@
# Root url for the NBP API
API_URL = "https://api.nbp.pl/api/"
# List of currencies accepted by NBP as of 2023-04-21
# https://nbp.pl/en/statistic-and-financial-reporting/rates/table-a/
# https://nbp.pl/en/statistic-and-financial-reporting/rates/table-c/
VALID_CURRENCIES_A = ["AUD","THB","BRL","BGN","CAD","CLP","CZK","DKK","EUR","HUF","HKD","UAH","ISK","INR","MYR","MXN","ILS","NZD","NOK","PHP","GBP","ZAR","RON","IDR","SGD","SEK","CHF","TRY","USD","KRW","JPY","CNY","XDR" ]
VALID_CURRENCIES_C = ["AUD","CAD","CZK","DKK","EUR","HUF","NOK","GBP","SEK","CHF","USD","JPY","XDR"]
ERROR_CURRENCY_CODE = "Invalid currency code."
ERROR_DATE_FORMAT = "Incorrect date format, expected YYYY-MM-DD"
ERROR_DATE_RANGE = "Invalid currency code."
ERROR_NO_DATA = "Exchange rate data is not available for this date."