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javascript implementation

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This commit is contained in:
spbeach46
2023-11-23 02:51:05 -07:00
parent 1853215191
commit d90f87efe3
5 changed files with 175 additions and 76 deletions
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36
playerLookup.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Chess.com PGN Downloader</title>
<style>
body {
font-family: Arial, sans-serif;
text-align: center;
margin: 50px;
}
#usernameInput {
padding: 8px;
font-size: 16px;
}
#downloadButton {
padding: 10px;
font-size: 18px;
cursor: pointer;
}
</style>
</head>
<body>
<h1>Chess.com PGN Downloader</h1>
<label for="usernameInput">Enter Chess.com Username:</label>
<input type="text" id="usernameInput" placeholder="Enter username">
<br><br>
<button id="downloadButton" onclick="downloadPGN()">Download PGN</button>
<script type="module" src="./player_games.js"></script>
</body>
</html>

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player_games.js Normal file
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// mainScript.js
import userAgents from './userAgents.js';
// Declare the script variable
//
let script;
window.downloadPGN = function() {
const username = document.getElementById('usernameInput').value;
if (!username) {
alert('Please enter a username.');
return;
}
// Create a callback function to handle the JSONP response for archives
const archivesCallback = 'handleArchivesResponse';
window[archivesCallback] = function(data) {
document.head.removeChild(script); // Remove the script element after execution
threddGames(data); // Pass the list of archive URLs to the threaded function
};
// Fetch player archives using JSONP
playerArchives(username, archivesCallback);
};
function getRandomUserAgent() {
return userAgents[Math.floor(Math.random() * userAgents.length)];
}
async function playerArchives(username, callback) {
// Replace 'YOUR_API_KEY' with your Chess.com API key
const url = `https://api.chess.com/pub/player/${username}/games/archives`;
const response = await fetch(url);
const data = await response.json();
window[callback](data.archives);
}
async function playerMonthly(url, callback) {
const user_agent = getRandomUserAgent();
const headers = {
'User-Agent': user_agent,
};
const response = await fetch(url + '/pgn', { headers });
const games = await response.text();
window[callback](games); // Execute the callback function with the PGN data
}
async function threddGames(archiveURLs) {
const gamesList = [];
// Using Promise.all to wait for all threads to complete
await Promise.all(archiveURLs.map(async (url) => {
return new Promise(async (resolve) => {
const monthlyGamesCallback = 'handleMonthlyGamesResponse';
window[monthlyGamesCallback] = function(data) {
handleDownload(data, gamesList, resolve);
};
// Fetch monthly games using JSONP
await playerMonthly(url, monthlyGamesCallback);
});
}));
// Combine and save the games to a file
const pgnDb = gamesList.join('\n\n');
const username = document.getElementById('usernameInput').value;
createDownloadLink(pgnDb, `${username}.pgn`);
}
function handleDownload(data, gamesList, resolve) {
gamesList.push(data);
resolve(); // Resolve the promise to indicate completion of this thread
}
function createDownloadLink(data, filename) {
const blob = new Blob([data], { type: 'application/octet-stream' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = filename;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
}

73
player_games.py
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import user_agents
import random
import requests
import re
import os
import json
import concurrent.futures
def playerArchives(username):
# Create archive list. This is a list of pages containing lists of games used for futher downloading
user_agent = random.choice(user_agents.user_agents) # load up random user agent from list
headers = {
'User-Agent':user_agent
}
url = f"https://api.chess.com/pub/player/{username}/games/archives"
archive = requests.get(url, headers=headers).json()['archives']
try:
cwd = os.getcwd()
path = os.path.join(cwd, 'archives')
os.makedirs(path)
except OSError:
pass
file_name = os.path.join(path, username+'_archive.txt')
with open(file_name, 'w') as f:
json.dump(archive, f)
return archive
def playerMonthly(url=None):
user_agent = random.choice(user_agents.user_agents) # load up random user agent from list
headers = {
'User-Agent':user_agent
}
if url:
url=url+'/pgn' # connect to multi-game pgn download endpoint by appending a "pgn" to the url provided by url in archive list
else:
username=input("username: ")
YYYY=input("year in YYYY: ")
MM=input("month in MM: ")
url = f"https://api.chess.com/pub/player/{username}/games/{YYYY}/{MM}/pgn"
# get and save games list in .pgn format
games = requests.get(url, headers=headers).content.decode("utf-8")
return games
# Multithreaded games download
def threddGames(username=None, archive=None):
if archive:
with open(archive) as f:
archive = json.load(f)
else:
archive = playerArchives(username)
# async download games
games_list = []
with concurrent.futures.ThreadPoolExecutor() as executor:
for future in executor.map(playerMonthly, archive):
games_list.extend(future)
pgn_db = "\n\n".join(games_list)
with open(username+'.pgn', 'w') as f:
f.write(pgn_db)
return pgn_db

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test.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>File Download App</title>
</head>
<body>
<button id="downloadButton">Download File</button>
<script>
// Function to trigger the download
function downloadFile() {
// Create a Blob containing the file data
var fileData = "Hello, this is the content of the file!"; // this will end up being the concatenated .pgn results returned by the async function
var blob = new Blob([fileData], { type: "text/plain" });
// Create an anchor element and set its attributes
var a = document.createElement("a");
a.href = window.URL.createObjectURL(blob);
a.download = "example.txt";
// Append the anchor element to the body
document.body.appendChild(a);
// Programmatically click the anchor to trigger the download
a.click();
// Remove the anchor from the body
document.body.removeChild(a);
}
// Attach the downloadFile function to the button click event
document.getElementById("downloadButton").addEventListener("click", downloadFile);
</script>
</body>
</html>

12
user_agents.py → userAgents.js
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user_agents = [
// userAgents.js
const userAgents = [
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36 Edg/113.0.1774.35", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36 Edg/113.0.1774.35",
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36 Edg/113.0.1774.35", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36 Edg/113.0.1774.35",
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36 Edg/113.0.1774.35", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36 Edg/113.0.1774.35",
"Mozilla/5.0 (Windows NT 6.1; rv:109.0) Gecko/20100101 Firefox/113.0", "Mozilla/5.0 (Windows NT 6.1; rv:109.0) Gecko/20100101 Firefox/113.0",
"Mozilla/5.0 (Android 12; Mobile; rv:109.0) Gecko/113.0 Firefox/113.0", "Mozilla/5.0 (Android 12; Mobile; rv:109.0) Gecko/113.0 Firefox/113.0",
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/113.0", "mozilla/5.0 (macintosh; intel mac os x 10.15; rv:109.0) gecko/20100101 firefox/113.0",
] // Add more user agents as needed
];
export default userAgents;