636 lines
23 KiB
Python
636 lines
23 KiB
Python
# Description: LogWatcher implementing Observer Pattern for real-time log parsing
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# Updated: Swedish language support based on real game logs
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# Monitors chat.log asynchronously with minimal CPU impact (Rule #3: 60+ FPS)
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import asyncio
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import re
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import os
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from pathlib import Path
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from typing import Callable, List, Dict, Any, Optional
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from dataclasses import dataclass
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from datetime import datetime
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from decimal import Decimal
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import logging
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import time
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logger = logging.getLogger(__name__)
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@dataclass
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class LogEvent:
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"""Represents a parsed event from chat.log."""
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timestamp: datetime
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event_type: str
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raw_line: str
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data: Dict[str, Any]
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class LogWatcher:
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"""
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Watches Entropia Universe chat.log and notifies observers of events.
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Supports multiple languages (English, Swedish) based on real game logs.
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Implements Observer Pattern: Multiple modules can subscribe to specific
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event types without tight coupling.
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"""
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# ========================================================================
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# REGEX PATTERNS - ENGLISH & SWEDISH (from real game logs)
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# ========================================================================
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# LOOT PATTERNS
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# English: "You received Shrapnel x 123 (Value: 1.23 PED)"
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# Swedish: "Du fick Shrapnel x (4627) Värde: 0.4627 PED"
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# English loot: "You received Animal Oil Residue x (2) Value: 0.0 PED"
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PATTERN_LOOT_EN = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+\[?\]?\s*'
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r'You\s+received\s+([\w\s]+?)\s+x\s*\((\d+)\)\s*'
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r'Value:\s+(\d+(?:\.\d+)?)\s+PED',
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re.IGNORECASE
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)
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PATTERN_LOOT_SV = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+\[?\]?\s*'
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r'Du\s+fick\s+([\w\s\-()]+?)\s+x\s*\((\d+)\)\s*'
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r'Värde:\s+(\d+(?:\.\d+)?)\s+PED',
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re.IGNORECASE
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)
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# GLOBAL PATTERNS (Other players)
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# English: "PlayerName globals in Zone for 150.00 PED"
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# Swedish: "PlayerName hittade en avsättning (Item) med ett värde av X PED"
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PATTERN_GLOBAL_EN = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[Globala?\]\s+\[?\]?\s*'
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r'([\w\s]+?)\s+(?:globals?|found)\s+(?:in|a)\s+([\w\s]+?)\s+'
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r'(?:for|with\s+a\s+value\s+of)\s+(\d+(?:\.\d+)?)\s+PED',
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re.IGNORECASE
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)
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PATTERN_GLOBAL_SV = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[Globala?\]\s+\[?\]?\s*'
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r'([\w\s]+?)\s+hittade\s+en\s+avsättning\s+\(([^)]+)\)\s+'
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r'med\s+ett\s+värde\s+av\s+(\d+(?:\.\d+)?)\s+PED',
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re.IGNORECASE
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)
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# HALL OF FAME PATTERNS
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# Swedish: "...En post har lagts till i Hall of Fame!"
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PATTERN_HOF_MARKER = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[\w+\]\s+\[?\]?\s*'
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r'.*?Hall\s+of\s+Fame',
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re.IGNORECASE
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)
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# SKILL GAIN PATTERNS
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# English: "You gained 0.45 experience in your Rifle skill"
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# Swedish: "Du har fått 0.3238 erfarenhet i din Translocation färdighet"
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PATTERN_SKILL_EN = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+'
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r'You\s+gained\s+(\d+(?:\.\d+)?)\s+experience\s+in\s+your\s+([\w\s]+?)\s+skill',
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re.IGNORECASE
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)
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PATTERN_SKILL_SV = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+'
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r'Du\s+har\s+fått\s+(\d+(?:\.\d+)?)\s+erfarenhet\s+i\s+din\s+([\w\s]+?)\s+färdighet',
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re.IGNORECASE
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)
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# DAMAGE DEALT - Swedish & English
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# Swedish: "Du orsakade 13.5 poäng skada"
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# English: "You inflicted 4.4 points of damage"
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PATTERN_DAMAGE_DEALT_SV = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+\[?\]?\s*'
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r'Du\s+orsakade\s+(\d+(?:\.\d+)?)\s+poäng\s+skada',
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re.IGNORECASE
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)
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PATTERN_DAMAGE_DEALT_EN = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+\[?\]?\s*'
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r'You\s+inflicted\s+(\d+(?:\.\d+)?)\s+points?\s+of\s+damage',
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re.IGNORECASE
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)
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# CRITICAL HIT
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# Swedish: "Kritisk träff - Extra skada! Du orsakade 44.4 poäng skada"
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PATTERN_CRITICAL_SV = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+'
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r'Kritisk\s+träff.*?Du\s+orsakade\s+(\d+(?:\.\d+)?)\s+poäng\s+skada',
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re.IGNORECASE
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)
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# DAMAGE TAKEN
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# Swedish: "Du tog 31.5 poäng skada"
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# English: "You took 7.4 points of damage"
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PATTERN_DAMAGE_TAKEN_SV = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+\[?\]?\s*'
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r'Du\s+tog\s+(\d+(?:\.\d+)?)\s+poäng\s+skada',
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re.IGNORECASE
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)
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PATTERN_DAMAGE_TAKEN_EN = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+\[?\]?\s*'
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r'You\s+took\s+(\d+(?:\.\d+)?)\s+points?\s+of\s+damage',
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re.IGNORECASE
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)
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# HEALING
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# Swedish: "Du läkte dig själv 4.0 poäng"
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PATTERN_HEAL_SV = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+'
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r'Du\s+läkte\s+dig\själv\s+(\d+(?:\.\d+)?)\s+poäng',
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re.IGNORECASE
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)
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# WEAPON TIER/LEVEL UP
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# Swedish: "Din Piron PBP-17 (L) har nått nivå 0.38"
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PATTERN_WEAPON_TIER_SV = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+'
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r'Din\s+([\w\s\-()]+?)\s+har\s+nått\s+nivå\s+(\d+(?:\.\d+)?)',
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re.IGNORECASE
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)
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# COMBAT EVADE/DODGE/MISS
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# English: "You Evaded", "The target Evaded your attack", "The attack missed you"
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PATTERN_EVADE = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+\[?\]?\s*'
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r'(You\s+Evaded|You\s+dodged|The\s+target\s+Evaded\s+your\s+attack|The\s+target\s+Dodged|The\s+attack\s+missed\s+you)',
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re.IGNORECASE
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)
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# DECAY (when weapon durability decreases)
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PATTERN_DECAY = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+'
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r'(?:Your|Din)\s+([\w\s]+?)\s+(?:has\s+decayed|har\s+nått\s+minimalt\s+skick)',
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re.IGNORECASE
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)
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# PED TRANSFER
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# Swedish: "Överföring slutförd! 3.38000 PED har överförts till ditt PED-kort."
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PATTERN_PED_TRANSFER = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+'
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r'Överföring\s+slutförd.*?((\d+(?:\.\d+)?))\s+PED',
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re.IGNORECASE
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)
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# ATTRIBUTE GAIN (Agility, etc)
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# Swedish: "Din Agility har förbättrats med 0.0001"
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PATTERN_ATTRIBUTE_SV = re.compile(
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r'^(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[System\]\s+'
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r'Din\s+(\w+)\s+har\s+förbättrats\s+med\s+(\d+(?:\.\d+)?)',
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re.IGNORECASE
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)
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EVENT_PATTERNS = {
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'loot_en': PATTERN_LOOT_EN,
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'loot_sv': PATTERN_LOOT_SV,
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'global_en': PATTERN_GLOBAL_EN,
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'global_sv': PATTERN_GLOBAL_SV,
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'hof': PATTERN_HOF_MARKER,
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'skill_en': PATTERN_SKILL_EN,
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'skill_sv': PATTERN_SKILL_SV,
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'damage_dealt_sv': PATTERN_DAMAGE_DEALT_SV,
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'damage_dealt_en': PATTERN_DAMAGE_DEALT_EN,
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'critical_hit': PATTERN_CRITICAL_SV,
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'damage_taken_sv': PATTERN_DAMAGE_TAKEN_SV,
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'damage_taken_en': PATTERN_DAMAGE_TAKEN_EN,
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'heal': PATTERN_HEAL_SV,
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'weapon_tier': PATTERN_WEAPON_TIER_SV,
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'evade': PATTERN_EVADE,
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'decay': PATTERN_DECAY,
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'ped_transfer': PATTERN_PED_TRANSFER,
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'attribute': PATTERN_ATTRIBUTE_SV,
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}
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def __init__(self, log_path: Optional[str] = None,
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poll_interval: float = 1.0,
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mock_mode: bool = False):
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"""Initialize LogWatcher."""
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self.mock_mode = mock_mode
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if log_path is None:
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if mock_mode:
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core_dir = Path(__file__).parent
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log_path = core_dir.parent / "test-data" / "mock-chat.log"
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else:
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log_path = self._find_eu_log_path()
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self.log_path = Path(log_path)
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self.poll_interval = poll_interval
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self.observers: Dict[str, List[Callable]] = {
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'loot': [], 'global': [], 'hof': [], 'skill': [],
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'damage_dealt': [], 'damage_taken': [], 'heal': [],
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'weapon_tier': [], 'evade': [], 'decay': [],
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'critical_hit': [], 'ped_transfer': [], 'attribute': [],
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'any': [],
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}
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self._running = False
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self._file_position = 0
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self._last_file_size = 0
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self._task: Optional[asyncio.Task] = None
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logger.info(f"LogWatcher initialized: {self.log_path} (mock={mock_mode})")
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def _find_eu_log_path(self) -> Path:
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"""Attempt to find Entropia Universe chat.log."""
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possible_paths = [
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Path.home() / "Documents" / "Entropia Universe" / "chat.log",
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Path("C:") / "Users" / os.getenv("USERNAME", "User") / "Documents" / "Entropia Universe" / "chat.log",
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]
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wine_prefix = Path.home() / ".wine" / "drive_c"
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possible_paths.extend([
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wine_prefix / "users" / os.getenv("USER", "user") / "Documents" / "Entropia Universe" / "chat.log",
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])
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for path in possible_paths:
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if path.exists():
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logger.info(f"Found EU log: {path}")
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return path
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fallback = Path(__file__).parent.parent / "test-data" / "chat.log"
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logger.warning(f"EU log not found, using fallback: {fallback}")
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return fallback
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def subscribe(self, event_type: str, callback: Callable[[LogEvent], None]) -> None:
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"""Subscribe to an event type."""
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if event_type not in self.observers:
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self.observers[event_type] = []
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self.observers[event_type].append(callback)
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logger.debug(f"Subscribed to {event_type}: {callback.__name__}")
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def unsubscribe(self, event_type: str, callback: Callable[[LogEvent], None]) -> None:
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"""Unsubscribe from an event type."""
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if event_type in self.observers:
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if callback in self.observers[event_type]:
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self.observers[event_type].remove(callback)
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logger.debug(f"Unsubscribed from {event_type}: {callback.__name__}")
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def _notify(self, event: LogEvent) -> None:
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"""Notify all observers of an event."""
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if event.event_type in self.observers:
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for callback in self.observers[event.event_type]:
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try:
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callback(event)
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except Exception as e:
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logger.error(f"Observer error for {event.event_type}: {e}")
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for callback in self.observers['any']:
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try:
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callback(event)
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except Exception as e:
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logger.error(f"Observer error for 'any': {e}")
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def _parse_timestamp(self, ts_str: str) -> datetime:
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"""Parse EU timestamp format."""
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return datetime.strptime(ts_str, "%Y-%m-%d %H:%M:%S")
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def _parse_line(self, line: str) -> Optional[LogEvent]:
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"""
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Parse a single log line.
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Returns LogEvent if parsed, None otherwise.
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"""
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line = line.strip()
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if not line:
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return None
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# Try each pattern
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# LOOT - Swedish (prioritize based on your game client)
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match = self.PATTERN_LOOT_SV.match(line)
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if match:
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return self._create_loot_event_sv(match, line)
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# LOOT - English
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match = self.PATTERN_LOOT_EN.match(line)
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if match:
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return self._create_loot_event_en(match, line)
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# GLOBAL - Swedish
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match = self.PATTERN_GLOBAL_SV.match(line)
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if match:
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return self._create_global_event_sv(match, line)
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# GLOBAL - English
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match = self.PATTERN_GLOBAL_EN.match(line)
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if match:
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return self._create_global_event_en(match, line)
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# HOF
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match = self.PATTERN_HOF_MARKER.match(line)
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if match:
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return LogEvent(
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timestamp=self._parse_timestamp(match.group(1)),
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event_type='hof',
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raw_line=line,
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data={'message': 'Hall of Fame entry'}
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)
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# SKILL - Swedish
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match = self.PATTERN_SKILL_SV.match(line)
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if match:
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return LogEvent(
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timestamp=self._parse_timestamp(match.group(1)),
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event_type='skill',
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raw_line=line,
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data={
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'gained': Decimal(match.group(2)),
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'skill_name': match.group(3).strip(),
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'language': 'swedish'
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}
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)
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# SKILL - English
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match = self.PATTERN_SKILL_EN.match(line)
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if match:
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return LogEvent(
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timestamp=self._parse_timestamp(match.group(1)),
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event_type='skill',
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raw_line=line,
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data={
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'gained': Decimal(match.group(2)),
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'skill_name': match.group(3).strip(),
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'language': 'english'
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}
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)
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# DAMAGE DEALT - Swedish
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match = self.PATTERN_DAMAGE_DEALT_SV.match(line)
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if match:
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return LogEvent(
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timestamp=self._parse_timestamp(match.group(1)),
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event_type='damage_dealt',
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raw_line=line,
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data={'damage': Decimal(match.group(2)), 'language': 'swedish'}
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)
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# DAMAGE DEALT - English
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match = self.PATTERN_DAMAGE_DEALT_EN.match(line)
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if match:
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return LogEvent(
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timestamp=self._parse_timestamp(match.group(1)),
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event_type='damage_dealt',
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raw_line=line,
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data={'damage': Decimal(match.group(2)), 'language': 'english'}
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)
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# CRITICAL HIT
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match = self.PATTERN_CRITICAL_SV.match(line)
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if match:
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return LogEvent(
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timestamp=self._parse_timestamp(match.group(1)),
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event_type='critical_hit',
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raw_line=line,
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data={'damage': Decimal(match.group(2))}
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)
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# DAMAGE TAKEN - Swedish
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match = self.PATTERN_DAMAGE_TAKEN_SV.match(line)
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if match:
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return LogEvent(
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timestamp=self._parse_timestamp(match.group(1)),
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event_type='damage_taken',
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raw_line=line,
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data={'damage': Decimal(match.group(2)), 'language': 'swedish'}
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)
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# DAMAGE TAKEN - English
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match = self.PATTERN_DAMAGE_TAKEN_EN.match(line)
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if match:
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return LogEvent(
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timestamp=self._parse_timestamp(match.group(1)),
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event_type='damage_taken',
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raw_line=line,
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data={'damage': Decimal(match.group(2)), 'language': 'english'}
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)
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# HEALING
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match = self.PATTERN_HEAL_SV.match(line)
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if match:
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return LogEvent(
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timestamp=self._parse_timestamp(match.group(1)),
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event_type='heal',
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raw_line=line,
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data={'heal_amount': Decimal(match.group(2))}
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)
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# WEAPON TIER/LEVEL
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match = self.PATTERN_WEAPON_TIER_SV.match(line)
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if match:
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return LogEvent(
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timestamp=self._parse_timestamp(match.group(1)),
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event_type='weapon_tier',
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raw_line=line,
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data={
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'weapon_name': match.group(2).strip(),
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'new_tier': Decimal(match.group(3))
|
|
}
|
|
)
|
|
|
|
# EVADE/DODGE/MISS
|
|
match = self.PATTERN_EVADE.match(line)
|
|
if match:
|
|
return LogEvent(
|
|
timestamp=self._parse_timestamp(match.group(1)),
|
|
event_type='evade',
|
|
raw_line=line,
|
|
data={'type': match.group(2)}
|
|
)
|
|
|
|
# DECAY
|
|
match = self.PATTERN_DECAY.match(line)
|
|
if match:
|
|
return LogEvent(
|
|
timestamp=self._parse_timestamp(match.group(1)),
|
|
event_type='decay',
|
|
raw_line=line,
|
|
data={'item': match.group(2).strip()}
|
|
)
|
|
|
|
# ATTRIBUTE GAIN
|
|
match = self.PATTERN_ATTRIBUTE_SV.match(line)
|
|
if match:
|
|
return LogEvent(
|
|
timestamp=self._parse_timestamp(match.group(1)),
|
|
event_type='attribute',
|
|
raw_line=line,
|
|
data={
|
|
'attribute': match.group(2),
|
|
'increase': Decimal(match.group(3))
|
|
}
|
|
)
|
|
|
|
return None
|
|
|
|
def _create_loot_event_sv(self, match: re.Match, line: str) -> LogEvent:
|
|
"""Create loot event from Swedish pattern."""
|
|
return LogEvent(
|
|
timestamp=self._parse_timestamp(match.group(1)),
|
|
event_type='loot',
|
|
raw_line=line,
|
|
data={
|
|
'item_name': match.group(2).strip(),
|
|
'quantity': int(match.group(3)),
|
|
'value_ped': Decimal(match.group(4)),
|
|
'language': 'swedish'
|
|
}
|
|
)
|
|
|
|
def _create_loot_event_en(self, match: re.Match, line: str) -> LogEvent:
|
|
"""Create loot event from English pattern."""
|
|
value = match.group(4)
|
|
return LogEvent(
|
|
timestamp=self._parse_timestamp(match.group(1)),
|
|
event_type='loot',
|
|
raw_line=line,
|
|
data={
|
|
'item_name': match.group(2).strip(),
|
|
'quantity': int(match.group(3)),
|
|
'value_ped': Decimal(value) if value else Decimal('0'),
|
|
'language': 'english'
|
|
}
|
|
)
|
|
|
|
def _create_global_event_sv(self, match: re.Match, line: str) -> LogEvent:
|
|
"""Create global event from Swedish pattern."""
|
|
return LogEvent(
|
|
timestamp=self._parse_timestamp(match.group(1)),
|
|
event_type='global',
|
|
raw_line=line,
|
|
data={
|
|
'player_name': match.group(2).strip(),
|
|
'item': match.group(3).strip(),
|
|
'value_ped': Decimal(match.group(4)),
|
|
'language': 'swedish'
|
|
}
|
|
)
|
|
|
|
def _create_global_event_en(self, match: re.Match, line: str) -> LogEvent:
|
|
"""Create global event from English pattern."""
|
|
return LogEvent(
|
|
timestamp=self._parse_timestamp(match.group(1)),
|
|
event_type='global',
|
|
raw_line=line,
|
|
data={
|
|
'player_name': match.group(2).strip(),
|
|
'zone': match.group(3).strip(),
|
|
'value_ped': Decimal(match.group(4)),
|
|
'language': 'english'
|
|
}
|
|
)
|
|
|
|
# ========================================================================
|
|
# ASYNC POLLING LOOP
|
|
# ========================================================================
|
|
|
|
async def start(self) -> None:
|
|
"""Start watching log file asynchronously."""
|
|
if self._running:
|
|
logger.warning("LogWatcher already running")
|
|
return
|
|
|
|
self._running = True
|
|
|
|
if self.log_path.exists():
|
|
self._last_file_size = self.log_path.stat().st_size
|
|
self._file_position = self._last_file_size
|
|
|
|
self._task = asyncio.create_task(self._watch_loop())
|
|
logger.info("LogWatcher started")
|
|
|
|
async def stop(self) -> None:
|
|
"""Stop watching log file."""
|
|
self._running = False
|
|
|
|
if self._task:
|
|
self._task.cancel()
|
|
try:
|
|
await self._task
|
|
except asyncio.CancelledError:
|
|
pass
|
|
|
|
logger.info("LogWatcher stopped")
|
|
|
|
async def _watch_loop(self) -> None:
|
|
"""Main watching loop."""
|
|
while self._running:
|
|
try:
|
|
await self._poll_once()
|
|
except Exception as e:
|
|
logger.error(f"Poll error: {e}")
|
|
|
|
await asyncio.sleep(self.poll_interval)
|
|
|
|
async def _poll_once(self) -> None:
|
|
"""Single poll iteration."""
|
|
if not self.log_path.exists():
|
|
return
|
|
|
|
current_size = self.log_path.stat().st_size
|
|
|
|
if current_size < self._file_position:
|
|
logger.info("Log file truncated, resetting position")
|
|
self._file_position = 0
|
|
|
|
if current_size == self._file_position:
|
|
return
|
|
|
|
with open(self.log_path, 'r', encoding='utf-8', errors='ignore') as f:
|
|
f.seek(self._file_position)
|
|
new_lines = f.readlines()
|
|
self._file_position = f.tell()
|
|
|
|
for line in new_lines:
|
|
event = self._parse_line(line)
|
|
if event:
|
|
self._notify(event)
|
|
|
|
self._last_file_size = current_size
|
|
|
|
|
|
# ============================================================================
|
|
# MOCK MODE SUPPORT
|
|
# ============================================================================
|
|
|
|
class MockLogGenerator:
|
|
"""Generates mock log entries for testing."""
|
|
|
|
MOCK_LINES = [
|
|
"2026-02-08 14:23:15 [System] You received Shrapnel x 123 (Value: 1.23 PED)",
|
|
"2026-02-08 14:23:45 [System] You gained 0.45 experience in your Rifle skill",
|
|
"2026-02-08 14:24:02 [System] Your Omegaton M2100 has decayed 15 PEC",
|
|
"2026-02-08 14:25:30 [System] PlayerOne globals in Twin Peaks for 150.00 PED",
|
|
"2026-02-08 14:26:10 [System] You received Animal Thyroid Oil x 5",
|
|
"2026-02-08 14:27:55 [System] Congratulations! You have advanced to level 45 in Rifle",
|
|
"2026-02-08 14:30:00 [System] PlayerTwo is in the Hall of Fame! Loot of 2500.00 PED",
|
|
# Swedish examples
|
|
"2025-09-23 19:36:43 [System] Du fick Shrapnel x (4627) Värde: 0.4627 PED",
|
|
"2025-09-23 19:36:08 [System] Du har fått 0.3238 erfarenhet i din Translocation färdighet",
|
|
"2025-09-23 19:36:18 [System] Du orsakade 13.5 poäng skada",
|
|
]
|
|
|
|
@classmethod
|
|
def create_mock_file(cls, path: Path, lines: int = 100) -> None:
|
|
"""Create a mock chat.log file."""
|
|
path.parent.mkdir(parents=True, exist_ok=True)
|
|
|
|
with open(path, 'w') as f:
|
|
for i in range(lines):
|
|
line = cls.MOCK_LINES[i % len(cls.MOCK_LINES)]
|
|
f.write(f"{line}\n")
|
|
|
|
logger.info(f"Created mock log: {path} ({lines} lines)")
|
|
|
|
|
|
# ============================================================================
|
|
# MODULE EXPORTS
|
|
# ============================================================================
|
|
|
|
__all__ = [
|
|
'LogWatcher',
|
|
'LogEvent',
|
|
'MockLogGenerator'
|
|
]
|