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Author SHA1 Message Date
Yarne Coppens
30ea0d8fec Accidentally used non-neutral pronoun in README 2024-08-01 10:15:17 +02:00
Yarne Coppens
7279d9f93c Grammatical fix on README 2024-07-27 10:33:50 +02:00
Yarne Coppens
7d1b3458e7 Updated README 2024-07-26 10:50:46 +02:00
7 changed files with 2 additions and 309 deletions

1
.gitignore vendored
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@ -160,4 +160,3 @@ cython_debug/
# option (not recommended) you can uncomment the following to ignore the entire idea folder.
#.idea/
secrets/auth.yaml

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# bgg_api
An API implementation that will be used by my own board game website.
The plan is for this API to be used by a single person who wants their board game collection to be cached so that retrieval is much faster.

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#Can only be imported on main.py
import yaml
username: str = None
password: str = None
auth_secret_file_location = './secrets/auth.yaml'
def load_username_password_from_secrets():
global username
global password
with open(auth_secret_file_location, 'r') as auth_file:
auth_object = yaml.safe_load(auth_file)
username = auth_object['username']
password = auth_object['password']
def get_username_password():
return username, password
load_username_password_from_secrets()

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import requests
import xml.etree.ElementTree as ET
from pydantic import HttpUrl
import requests
from datetime import datetime
from classes.boardgame import BoardGame, BoardGameExpansion, CollectionBoardGame, CollectionBoardGameExpansion, WishlistBoardGame, BoardgameType
import auth_manager
authenticated_session: requests.Session = requests.Session()
def url_to_xml_object(url: HttpUrl) -> ET.Element:
r = authenticated_session.get(url)
assert r.status_code == 200 or r.status_code == 202, "Got {} status code".format(r.status_code)
root = ET.fromstring(r.content)
return root
def get_boardgame(boardgame_id: int) -> BoardGame:
url : str = "https://boardgamegeek.com/xmlapi2/thing?id={}&stats=true".format(boardgame_id)
boardgame_xml_object : ET.Element = url_to_xml_object(url)
requested_boardgame = convert_xml_to_boardgame(boardgame_xml_object.find('item'))
return requested_boardgame
def get_multiple_boardgames(boardgame_ids: list[int]) -> list[BoardGame]:
def divide_list_in_chunks(list_to_divide: list[int], chunk_size: int = 20):
for i in range(0, len(list_to_divide), chunk_size):
yield list_to_divide[i:i + chunk_size]
boardgame_list_to_return: list[BoardGame] = []
#Boardgamegeek only allows chunks of 20 boardgames at a time
boardgame_ids_divided = list(divide_list_in_chunks(boardgame_ids))
for boardgame_id_list_size_20 in boardgame_ids_divided:
boardgame_id_list_commas: str = ','.join(boardgame_id_list_size_20)
url : str = "https://boardgamegeek.com/xmlapi2/thing?id={}&stats=true".format(boardgame_id_list_commas)
boardgames_xml_object : ET.Element = url_to_xml_object(url)
for boardgame_xml_object in boardgames_xml_object:
requested_boardgame = convert_xml_to_boardgame(boardgame_xml_object)
boardgame_list_to_return.append(requested_boardgame)
return boardgame_list_to_return
#Requires single boardgame XML 'item' from bgg api on /thing
def convert_xml_to_boardgame(boardgame_xml: ET.Element) -> BoardGame:
boardgame_type = boardgame_xml.get('type')
expansion_ids: list[int] = []
all_links = boardgame_xml.findall('link')
for link in all_links:
if link.get('type') == 'boardgameexpansion':
expansion_ids.append(int(link.get('id')))
boardgame_dict = {
"id" : int(boardgame_xml.get('id')),
"name" : boardgame_xml.find('name').get('value'),
"description" : boardgame_xml.find('description').text,
"image_url" : boardgame_xml.find('image').text,
"thumbnail_url" : boardgame_xml.find('thumbnail').text,
"year_published" : int(boardgame_xml.find('yearpublished').get('value')),
"min_players" : int(boardgame_xml.find('minplayers').get('value')),
"max_players" : int(boardgame_xml.find('maxplayers').get('value')),
"min_playing_time" : int(boardgame_xml.find('minplaytime').get('value')),
"max_playing_time" : int(boardgame_xml.find('maxplaytime').get('value')),
"min_age" : int(boardgame_xml.find('minage').get('value')),
"all_expansion_ids" : expansion_ids
}
match boardgame_type:
case "boardgame":
boardgame = BoardGame(**boardgame_dict)
case "boardgameexpansion":
boardgame = BoardGameExpansion(**boardgame_dict)
return boardgame
def convert_collection_xml_to_boardgame(boardgame_extra_info: BoardGame, collection_boardgame_xml: ET.Element) -> BoardGame:
boardgame_type = collection_boardgame_xml.get('subtype')
price_paid = collection_boardgame_xml.find('privateinfo').get('pricepaid')
if price_paid == '':
print(boardgame_extra_info.name)
price_paid = 0.0
else:
price_paid = float(price_paid)
date_string = collection_boardgame_xml.find('privateinfo').get('acquisitiondate')
if date_string == '':
date_string = '1970-01-01'
acquisition_date = datetime.strptime(date_string, '%Y-%m-%d').date()
acquired_from = collection_boardgame_xml.find('privateinfo').get('acquiredfrom')
collection_boardgame_dict = {
"price_paid" : price_paid,
"acquisition_date" : acquisition_date,
"acquired_from" : acquired_from
}
boardgame_dict = {
"id" : boardgame_extra_info.id,
"name" : boardgame_extra_info.name,
"description" : boardgame_extra_info.description,
"image_url" : boardgame_extra_info.image_url,
"thumbnail_url" : boardgame_extra_info.thumbnail_url,
"year_published" : boardgame_extra_info.year_published,
"min_players" : boardgame_extra_info.min_players,
"max_players" : boardgame_extra_info.max_players,
"min_playing_time" : boardgame_extra_info.min_playing_time,
"max_playing_time" : boardgame_extra_info.max_playing_time,
"min_age" : boardgame_extra_info.min_age,
"all_expansion_ids" : boardgame_extra_info.all_expansion_ids,
**collection_boardgame_dict
}
match boardgame_type:
case "boardgame":
boardgame = CollectionBoardGame(**boardgame_dict)
case "boardgameexpansion":
boardgame = CollectionBoardGameExpansion(**boardgame_dict)
return boardgame
#Creates list of board games from a collection '/collection' URL
def get_boardgames_from_collection_url(collection_url: str) -> list[BoardGame]:
collection_xml = url_to_xml_object(collection_url)
collection_list: list[BoardGame] = []
collection_id_list: list[int] = []
#Get all board game ID's from the collection
for boardgame_item in collection_xml:
collection_id_list.append(boardgame_item.get('objectid'))
#Request extra info about the ID's
boardgame_extras = get_multiple_boardgames(collection_id_list)
assert len(boardgame_extras) == len(collection_xml)
current_index = 0
for boardgame_item in collection_xml:
boardgame_extra = boardgame_extras[current_index]
boardgame = convert_collection_xml_to_boardgame(boardgame_extra, boardgame_item)
collection_list.append(boardgame)
current_index += 1
return collection_list
def get_user_owned_collection() -> list[BoardGame]:
url_no_expansions = 'https://boardgamegeek.com/xmlapi2/collection?username={}&own=1&stats=1&excludesubtype=boardgameexpansion&showprivate=1&version=1'.format(auth_manager.username)
owned_boardgames = get_boardgames_from_collection_url(url_no_expansions)
url_only_expansions = 'https://boardgamegeek.com/xmlapi2/collection?username={}&own=1&stats=1&subtype=boardgameexpansion&showprivate=1&version=1'.format(auth_manager.username)
owned_boardgame_expansions = get_boardgames_from_collection_url(url_only_expansions)
owned_boardgames += owned_boardgame_expansions
return owned_boardgames
def get_user_wishlist_collection() -> list[BoardGame]:
url = 'https://boardgamegeek.com/xmlapi2/collection?username={}&wishlist=1&stats=1&showprivate=1&version=1'.format(auth_manager.username)
wishlisted_boardgames = get_boardgames_from_collection_url(url)
return wishlisted_boardgames
def load_authenticated_bgg_session(username: str, password: str) -> requests.Session:
global authenticated_session
login_url = "https://boardgamegeek.com/login/api/v1"
post_data = {
"credentials":{
"username": username,
"password": password
}
}
assert len(authenticated_session.cookies) == 0, 'Session already exists'
login_response = authenticated_session.post(login_url, json=post_data)
assert login_response.status_code == 204, "Login failed!"
load_authenticated_bgg_session(auth_manager.username, auth_manager.password)

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from pydantic import BaseModel, HttpUrl
from datetime import date
from enum import Enum
class BoardgameType(Enum):
BOARDGAME = 'boardgame'
BOARDGAMEEXPANSION = 'boardgameexpansion'
COLLECTIONBOARDGAME = 'collectionboardgame'
COLLECTIONBOARDGAMEEXPANSION = 'collectionboardgameexpansion'
WISHLISTBOARDGAME = 'wishlistboardgame'
class BoardGame(BaseModel):
id: int
name: str
description: str
image_url : HttpUrl
thumbnail_url : HttpUrl
year_published: int
min_players: int
max_players: int
min_playing_time: int
max_playing_time: int
min_age: int
all_expansion_ids: list[int]
type: BoardgameType = BoardgameType.BOARDGAME
class BoardGameExpansion(BoardGame):
type: BoardgameType = BoardgameType.BOARDGAMEEXPANSION
class CollectionBoardGame(BoardGame):
price_paid: float
acquisition_date: date
acquired_from: str
type: BoardgameType = BoardgameType.COLLECTIONBOARDGAME
class CollectionBoardGameExpansion(CollectionBoardGame):
type: BoardgameType = BoardgameType.COLLECTIONBOARDGAMEEXPANSION
class WishlistBoardGame(BoardGame):
wishlist_priority: int
type: BoardgameType = BoardgameType.WISHLISTBOARDGAME

33
main.py
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@ -1,33 +0,0 @@
from typing import Union
from fastapi import FastAPI
from classes.boardgame import BoardGame, BoardGameExpansion, CollectionBoardGame, CollectionBoardGameExpansion, WishlistBoardGame
from bgg_connection import get_boardgame, get_user_owned_collection, get_user_wishlist_collection
app = FastAPI()
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
return {"item_id": item_id, "q": q}
@app.get("/boardgame/{boardgame_id}", response_model=BoardGame)
def get_boardgame_by_id(boardgame_id: int):
requested_boardgame: BoardGame = get_boardgame(boardgame_id)
return requested_boardgame
@app.get("/collection", response_model=list[CollectionBoardGame])
def get_owned_collection():
requested_collection: list[CollectionBoardGame] = get_user_owned_collection()
return requested_collection
@app.get("/wishlist", response_model=list[WishlistBoardGame])
def get_wishlist_collection():
requested_collection: list[WishlistBoardGame] = get_user_wishlist_collection()
return requested_collection

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#Rename this file to auth.yaml and provide correct values below to authenticate to bgg
username: username_example
password: password_example