Refactor: Renamed chat_reader.py to main.py and updated README.
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main.py
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172
main.py
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from datetime import datetime
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import re
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import os
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import google.oauth2.credentials
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import google_auth_oauthlib.flow
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import googleapiclient.discovery
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import googleapiclient.errors
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import time
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from rich.console import Console
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from rich.style import Style
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# The CLIENT_SECRETS_FILE contains your Client ID and Client Secret.
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CLIENT_SECRETS_FILE = "client_secret.json"
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# This scope allows read-only access to YouTube analytics data.
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SCOPES = ['https://www.googleapis.com/auth/youtube.readonly']
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API_SERVICE_NAME = 'youtube'
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API_VERSION = 'v3'
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console = Console()
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def get_authenticated_service():
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credentials = None
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# Check if we have saved credentials
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if os.path.exists('token.json'):
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credentials = google.oauth2.credentials.Credentials.from_authorized_user_file('token.json', SCOPES)
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# If no valid credentials available, let the user log in.
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if not credentials or not credentials.valid:
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if credentials and credentials.expired and credentials.refresh_token:
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credentials.refresh(google.auth.transport.requests.Request())
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else:
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flow = google_auth_oauthlib.flow.InstalledAppFlow.from_client_secrets_file(
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CLIENT_SECRETS_FILE, SCOPES)
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credentials = flow.run_local_server(port=0)
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# Save the credentials for the next run
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with open('token.json', 'w') as token:
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token.write(credentials.to_json())
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return googleapiclient.discovery.build(
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API_SERVICE_NAME, API_VERSION, credentials=credentials)
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def get_live_chat_id(youtube, video_id):
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try:
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response = youtube.videos().list(
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part='liveStreamingDetails',
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id=video_id
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).execute()
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if 'items' in response and response['items']:
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video = response['items'][0]
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if 'liveStreamingDetails' in video and 'activeLiveChatId' in video['liveStreamingDetails']:
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return video['liveStreamingDetails']['activeLiveChatId']
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return None
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except googleapiclient.errors.HttpError as e:
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console.print(f"[red]An HTTP error {e.resp.status} occurred: {e.content}[/red]")
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return None
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def fetch_live_chat_messages(youtube, live_chat_id, page_token=None):
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try:
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request = youtube.liveChatMessages().list(
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liveChatId=live_chat_id,
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part='snippet,authorDetails',
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pageToken=page_token
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)
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response = request.execute()
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return response
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except googleapiclient.errors.HttpError as e:
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console.print(f"[red]An HTTP error {e.resp.status} occurred: {e.content}[/red]")
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return None
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def main():
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youtube = get_authenticated_service()
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console.print("[green]Successfully authenticated with YouTube API![/green]")
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# Clear the terminal screen
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os.system('clear')
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video_id = input("Enter the YouTube Live Stream Video ID: ")
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live_chat_id = get_live_chat_id(youtube, video_id)
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if not live_chat_id:
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console.print("[red]Could not find an active live chat for the given video ID.[/red]")
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return
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console.print(f"[green]Found live chat ID: {live_chat_id}[/green]")
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# Setup chat logging
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log_dir = "chat_logs"
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os.makedirs(log_dir, exist_ok=True)
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timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
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log_filename = os.path.join(log_dir, f"chat_{video_id}_{timestamp}.log")
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log_file = open(log_filename, "w", encoding="utf-8")
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console.print(f"[green]Chat will be logged to {log_filename}[/green]")
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next_page_token = None
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message_count = 0
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try:
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while True:
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# Fetch new messages
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response = fetch_live_chat_messages(youtube, live_chat_id, next_page_token)
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if response:
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for item in response.get('items', []):
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author_display_name = item['authorDetails']['displayName']
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message_text = item['snippet']['displayMessage']
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# Process emotes provided by the API
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if 'textMessageDetails' in item['snippet'] and 'emotes' in item['snippet']['textMessageDetails']:
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emotes = item['snippet']['textMessageDetails']['emotes']
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# Sort emotes by offset to replace them correctly from right to left
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emotes.sort(key=lambda x: x['offsets'][0]['startIndex'], reverse=True)
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for emote in emotes:
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start = emote['offsets'][0]['startIndex']
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end = emote['offsets'][0]['endIndex'] + 1 # +1 because end index is inclusive
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emote_id = emote['emoteId']
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# Replace the original text with the emote ID surrounded by colons and styled
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message_text = message_text[:start] + f"[blue]:{emote_id}:[/blue]" + message_text[end:]
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# After processing API-provided emotes, use regex for text-based emotes (e.g., :face-purple-sweating:)
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# This catches emotes that are just part of the messageText without explicit emote data.
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message_text = re.sub(r'(:[a-zA-Z0-9_-]+:)', r'[blue]\1[/blue]', message_text)
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# Add coloring for standard emojis
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# This regex matches a broader range of common emoji unicode characters and sequences.
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# It's important to compile with re.UNICODE for proper Unicode character matching.
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emoji_pattern = re.compile(
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"(" # Start capturing group
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"\U0001F600-\U0001F64F" # emoticons
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"\U0001F300-\U0001F5FF" # symbols & pictographs
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"\U0001F680-\U0001F6FF" # transport & map symbols
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"\U0001F1E0-\U0001F1FF" # flags (iOS)
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"\U00002702-\U000027B0" # Dingbats
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"\U000024C2-\U0001F251" # Enclosed characters
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"\U0001F900-\U0001F9FF" # Supplemental Symbols and Pictographs
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"\U0000200D" # Zero Width Joiner (for emoji sequences)
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"\U0000FE0F" # Variation Selector-16 (for emoji presentation)
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")+"
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, re.UNICODE)
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message_text = emoji_pattern.sub(r'[magenta]\1[/magenta]', message_text)
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# Alternate background styles
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background_style = Style(bgcolor="#2B2B2B") if message_count % 2 == 0 else Style(bgcolor="#3A3A3A")
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# Simple color for username (can be expanded to unique colors per user)
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username_style = Style(color="#4CAF50", bold=True)
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# Format message for terminal and log file
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formatted_message = f"{author_display_name}: {message_text}"
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console.print(formatted_message, style=background_style)
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log_file.write(f"{datetime.now().strftime("%H:%M:%S")} {formatted_message}\n")
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message_count += 1
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next_page_token = response.get('nextPageToken')
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polling_interval_millis = response['pollingIntervalMillis']
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time.sleep(polling_interval_millis / 1000.0)
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else:
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console.print("[yellow]No new messages or an error occurred. Retrying...[/yellow]")
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time.sleep(5) # Wait 5 seconds before retrying on error
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finally:
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log_file.close()
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save_log = input(f"\nDo you want to save the chat log to {log_filename}? (y/n): ").lower()
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if save_log != 'y' and save_log != 'yes':
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os.remove(log_filename)
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console.print(f"[red]Chat log not saved. {log_filename} deleted.[/red]")
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else:
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console.print(f"[green]Chat log saved to {log_filename}[/green]")
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if __name__ == '__main__':
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main()
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