Downloading Player Data from Clash of Clans API

Are you a Clash of Clans enthusiast who’s also into data analysis or app development? In this post, I’ll walk you through the process of downloading player data from the Clash of Clans API using Python. This can be incredibly useful for clan management…


This content originally appeared on DEV Community and was authored by Santhosh

Are you a Clash of Clans enthusiast who's also into data analysis or app development? In this post, I'll walk you through the process of downloading player data from the Clash of Clans API using Python. This can be incredibly useful for clan management tools, player statistics analysis, or even building your own Clash of Clans-related applications.

Prerequisites

Before we dive in, make sure you have:

  1. Python installed on your machine
  2. Basic knowledge of Python programming
  3. A Clash of Clans developer account (we'll cover how to get this)

Step 1: Setting Up Your Developer Account

First, you'll need to register for a Clash of Clans developer account:

  1. Go to the Clash of Clans API Developer Site
  2. Create an account and log in
  3. Generate an API key - you'll need this to access the data

Step 2: Installing Required Libraries

We'll be using several Python libraries for this project. Install them using pip:

pip install requests pandas tqdm ratelimit

Step 3: The Code

Let's break down the code into manageable chunks:

Importing Libraries and Setting Up

import time
import math
import json
import requests
import logging
import pandas as pd
from concurrent.futures import ThreadPoolExecutor, as_completed
from ratelimit import limits, sleep_and_retry
from tqdm import tqdm

Extract Clans Tags

file_path = 'others/clans.json'

# Function to open the file and extract tags, specifying the encoding
def extract_tags_from_file(file_path):
    with open(file_path, 'r', encoding='utf-8') as file:  # Specifying the encoding here
        data = json.load(file)
        return [item.get("tag") for item in data.get("items", [])]

# Extract tags from the specified file
try:
    extracted_tags = extract_tags_from_file(file_path)
    print(extracted_tags)

except UnicodeDecodeError as e:
    print(f"Error reading the file: {e}")
# the extracted clan tags have '#' in beigning we have to replace it with URL encode '%23'
def update_tags(extracted_tags):
    # Replace '#' with '%23' for each tag in the list
    updated_tags = [tag.replace('#', '%23') for tag in extracted_tags]
    return updated_tags

# Get the updated list of tags
updated_extracted_tags = update_tags(extracted_tags)

# Print or return the updated list
print(updated_extracted_tags)

Extract Players Tags

# Replace your API_KEY
api_key = 'your_api_key_here'  

# Base URL for the Clash of Clans API clans endpoint
base_url = 'https://api.clashofclans.com/v1/clans/'

# Header to include in the request
headers = {
   'Authorization': f'Bearer {api_key}',
   'Accept': 'application/json'
}

# Function to get clan member list for each clan tag
def get_clan_members(clan_tags):
    clan_members = {}  # Dictionary to store clan members list by clan tag

    for tag in clan_tags:
        # Constructing the full URL for the clan members endpoint
        full_url = f'{base_url}{tag}/members'
        response = requests.get(full_url, headers=headers)

        if response.status_code == 200:
            # Successful response
            data = response.json()
            # Assuming the API returns a list of clan members directly
            clan_members[tag] = data.get('items', [])

        else:
            # Handle errors or unsuccessful responses
            print(f'Failed to fetch clan members for {tag}: HTTP {response.status_code}')

    return clan_members

# Get clan members for each tag
clan_members_lists = get_clan_members(updated_extracted_tags)

# Example: print the result for the first clan
first_tag = updated_extracted_tags[0]
print(f'Clan members for {first_tag}:', clan_members_lists[first_tag])

Convert the data to a pandas DataFrame

# Assuming clan_members_lists is your dictionary from the modified get_clan_members function
def convert_to_dataframe(clan_members_lists):
# Create a list of tuples (clan_tag, player_tag) for all clans
    data = [(clan_tag, player_tag) for clan_tag, player_tags in clan_members_lists.items() for player_tag in player_tags]

# Convert the list of tuples into a DataFrame
    df = pd.DataFrame(data, columns=['Clan Tag', 'Player Tag'])

    return df

# Convert the dictionary to a DataFrame
df_clan_members = convert_to_dataframe(clan_members_lists)
print(df_clan_members)
def convert_to_dataframe(clan_members_lists):
    # Initialize an empty list to store the data
    data = []

    # Loop through each clan tag and its corresponding list of members
    for clan_tag, members in clan_members_lists.items():
        for member in members:
            # For each member, extract the clan tag and the player tag, ensuring the player tag is a string
            player_tag = member['tag']  # Assuming 'tag' key exists and its value is the player's tag
            data.append((clan_tag, player_tag))

    # Convert the list of tuples into a DataFrame
    df = pd.DataFrame(data, columns=['Clan Tag', 'Player Tag'])

    # Optional: Convert clan and player tags to ensure they are URL-friendly
    # This step is optional and depends on whether you need to use these tags in URLs
    df['Clan Tag'] = df['Clan Tag'].apply(lambda x: x.replace('%23', '#'))
    # df['Player Tag'] = df['Player Tag'].apply(lambda x: x.replace('#', '%23'))

    return df

# Example usage with your clan_members_lists dictionary
# Make sure to replace 'clan_members_lists' with your actual dictionary variable
df_clan_members = convert_to_dataframe(clan_members_lists)
print(df_clan_members)

df_clan_members.to_csv('datasets/clan_and_player_tags.csv', index=False)

Extract Players Information

# Set up logging to file
logging.basicConfig(filename='others/error_log.log', level=logging.ERROR, 
                    format='%(asctime)s - %(levelname)s - %(message)s')

# Load the CSV file into a DataFrame
df = pd.read_csv('datasets/clan_and_player_tags.csv')  # Update this path to your actual CSV file location

# API details
api_key = 'your_api_key_here'
headers = {'Authorization': 'Bearer ' + api_key}

# Rate limit: 10 requests per second (adjust as needed)
@sleep_and_retry
@limits(calls=10, period=1)
def call_api(url):
    response = requests.get(url, headers=headers)
    response.raise_for_status()
    return response.json()

def fetch_player_details(tag):
    url = f'https://api.clashofclans.com/v1/players/{tag.replace("#", "%23")}'
    try:
        data = call_api(url)
        return {
            'name': data.get('name', ''),
            'role': data.get('role', ''),
            'league': data.get('league', {}).get('name', ''),
            'builderBaseLeague': data.get('builderBaseLeague', {}).get('name', ''),
            'townHallLevel': data.get('townHallLevel', 0),
            'builderHallLevel': data.get('builderHallLevel', 0),
            'expLevel': data.get('expLevel', 0),
            'trophies': data.get('trophies', 0),
            'bestTrophies': data.get('bestTrophies', 0),
            'builderBaseTrophies': data.get('builderBaseTrophies', 0),
            'bestBuilderBaseTrophies': data.get('bestBuilderBaseTrophies', 0),
            'attackWins': data.get('attackWins', 0),
            'defenseWins': data.get('defenseWins', 0),
            'warStars': data.get('warStars', 0),
            'clanCapitalContributions': data.get('clanCapitalContributions', 0),
            'donations': data.get('donations', 0),
            'donationsReceived': data.get('donationsReceived', 0),
        }
    except requests.exceptions.RequestException as e:
        logging.error(f'Error fetching data for {tag}: {e}')

def process_batch(batch):
    player_details = []
    with ThreadPoolExecutor(max_workers=20) as executor:
        future_to_tag = {executor.submit(fetch_player_details, tag): tag for tag in batch}
        for future in as_completed(future_to_tag):
            tag = future_to_tag[future]
            try:
                details = future.result()
                player_details.append(details)
            except Exception as exc:
                logging.error(f'{tag} generated an exception: {exc}')

    return player_details

def save_checkpoint(data, filename):
    with open(filename, 'w') as f:
        json.dump(data, f)

def load_checkpoint(filename):
    try:
        with open(filename, 'r') as f:
            return json.load(f)
    except FileNotFoundError:
        return []

def main():
    batch_size = 1000
    checkpoint_file = 'others/player_details_checkpoint.json'

    # Load checkpoint if it exists
    player_details = load_checkpoint(checkpoint_file)
    start_index = len(player_details)

    num_batches = math.ceil((len(df) - start_index) / batch_size)

    for i in tqdm(range(start_index, len(df), batch_size), total=num_batches, desc="Processing batches"):
        batch = df['Player Tag'].iloc[i:i+batch_size].tolist()
        batch_details = process_batch(batch)
        player_details.extend(batch_details)

        # Save checkpoint after each batch
        save_checkpoint(player_details, checkpoint_file)

     # Filter out None values from player_details
    player_details = [detail for detail in player_details if detail is not None]

    # Create a new DataFrame with the player details
    details_df = pd.DataFrame(player_details)

    # Merge the original DataFrame with the new details DataFrame
    final_df = pd.concat([df, details_df], axis=1)

    # Save the final DataFrame to a new CSV file
    final_df.to_csv('datasets/player_details.csv', index=False)
    print("Data fetching and processing complete. Results saved to 'Clan_and_Player_Details.csv'")

if __name__ == "__main__":
    start_time = time.time()
    main()
    end_time = time.time()
    print(f"Total execution time: {end_time - start_time:.2f} seconds")

Running the Script

To run the script:

  1. Replace 'YOUR_API_KEY_HERE' with your actual API key
  2. Ensure you have a CSV file named clan_and_player_tags.csv with a column 'Player Tag'
  3. Run the script

The script will process the player tags in batches, fetch details for each player, and save the results in a new CSV file.

Conclusion

This script provides a robust way to download player data from the Clash of Clans API. It includes error handling, rate limiting to respect API constraints, and uses multi-threading for improved performance.

Remember to always respect the API usage terms and conditions. Happy coding, and clash on!


This content originally appeared on DEV Community and was authored by Santhosh


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