kosta2014p
ec6f13ddcc
Офлайн-лаунчер Minecraft: аккаунты без Microsoft, установка версий и лоадеров (Fabric, Quilt, Forge, NeoForge), каталог модпаков Modrinth, поиск и обновление модов, разбор вылетов, системный трей, автозагрузка, плагины, прокси и зеркала.
91 lines
3.3 KiB
Python
91 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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"""Разбор логов вылетов Minecraft.
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Ищет в логе последний exception-блок и определяет причину:
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нехватка ОЗУ, проблемы с Java, конкретный мод или «неизвестно».
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"""
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import re
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# "java.lang.NullPointerException: ..." / "Caused by: ...Exception: ..."
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_EXC = re.compile(
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r"^(?:Caused by: |Exception in thread [^\s]+ )?"
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r"([\w.$]+(?:Exception|Error|Throwable))(?::\s*(.*))?$")
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_MOD_JAR = re.compile(r"mods[/\\]([\w.\- ]+\.jar)")
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_MOD_AT = re.compile(r"\(([\w\-]+)@[\d.]+\)") # SomeMod@1.2.3 в кадрах
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_XMX = re.compile(r"-xmx(\d+)([mg])")
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def analyze(text=None, path=None, tail=600):
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"""Разбирает лог. Возвращает dict:
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kind — "crash" | "oom" | "java" | "unknown"
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exc — класс исключения (без пакета)
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msg — сообщение исключения
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culprit — имя файла мода (mods/xxx.jar) или id мода, если найдено
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hints — подсказки ("oom", "xmx=2048", "classver", ...)
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"""
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res = {"kind": "unknown", "exc": "", "msg": "", "culprit": None,
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"hints": []}
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lines = []
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if text is not None:
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lines = text.splitlines()[-tail:]
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elif path:
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try:
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with open(path, encoding="utf-8", errors="replace") as f:
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lines = f.readlines()[-tail:]
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except OSError:
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pass
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joined = "\n".join(lines)
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if not joined.strip():
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return res
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low = joined.lower()
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# --- нехватка ОЗУ
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if ("outofmemoryerror" in low
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or "could not reserve enough space" in low
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or "gc overhead limit exceeded" in low):
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res["kind"] = "oom"
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res["exc"] = "OutOfMemoryError"
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res["hints"].append("oom")
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m = _XMX.search(low)
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if m:
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res["hints"].append("xmx=" + m.group(1) + m.group(2))
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return res
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# --- проблемы с Java
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for pat, tag in ((r"unsupported class file major version (\d+)",
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"classver"),
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(r"unsupportedclassversionerror", "classver"),
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(r"could not create the java virtual machine", "jvm"),
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(r"invalid java runtime|no jvm could be found",
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"java")):
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if re.search(pat, low):
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res["kind"] = "java"
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res["exc"] = tag
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res["hints"].append(tag)
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return res
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# --- последний exception-блок
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idx = [i for i, ln in enumerate(lines) if _EXC.match(ln.strip())]
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if not idx:
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return res
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caused = [i for i in idx if lines[i].strip().startswith("Caused by:")]
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# корневая причина — последний Caused by в цепочке
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m = _EXC.match(lines[caused[-1] if caused else idx[0]].strip())
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res["kind"] = "crash"
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if m:
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res["exc"] = m.group(1).split(".")[-1]
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res["msg"] = (m.group(2) or "")[:200]
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# --- виновник: файл мода в тексте или mixin-кадр с mod id
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m2 = _MOD_JAR.search(joined)
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if m2:
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res["culprit"] = m2.group(1)
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else:
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m3 = _MOD_AT.search(joined)
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if m3:
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res["culprit"] = m3.group(1)
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return res
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