refactor

config.py

@@ -0,0 +1,65 @@
+import os
+
+def getenv_bool(key: str, default: bool = False) -> bool:
+    v = os.getenv(key)
+    if v is None:
+        return default
+    return v.lower() in ("1", "true", "t", "yes", "y", "on")
+
+def getenv_int(key: str, default: int) -> int:
+    try:
+        return int(os.getenv(key, str(default)))
+    except ValueError:
+        return default
+
+def getenv_float(key: str, default: float) -> float:
+    try:
+        return float(os.getenv(key, str(default)))
+    except ValueError:
+        return default
+
+# Podstawowe
+FLASK_DEBUG = getenv_bool("FLASK_DEBUG", True)
+SECRET_KEY = os.getenv("SECRET_KEY", "change-me")
+
+# Rozmiary/limity
+MAX_CONTENT_LENGTH = getenv_int("MAX_CONTENT_LENGTH", 50 * 1024 * 1024)  # 50MB
+RATE_LIMIT_DEFAULT  = os.getenv("RATE_LIMIT_DEFAULT", "100 per minute")
+RATE_LIMIT_CONVERT  = os.getenv("RATE_LIMIT_CONVERT", "100 per minute")
+
+# Redis
+REDIS_URL  = os.getenv("REDIS_URL", "redis://localhost:6379/7")
+REDIS_HOST = os.getenv("REDIS_HOST", "localhost")
+REDIS_PORT = getenv_int("REDIS_PORT", 6379)
+REDIS_DB   = getenv_int("REDIS_DB", 7)
+
+# Basic Auth dla /stats
+STATS_BASIC_AUTH_ENABLED = getenv_bool("STATS_BASIC_AUTH_ENABLED", True)
+STATS_BASIC_AUTH_REALM   = os.getenv("STATS_BASIC_AUTH_REALM", "Stats")
+STATS_BASIC_AUTH_USER    = os.getenv("STATS_BASIC_AUTH_USER", "admin")
+STATS_BASIC_AUTH_PASS    = os.getenv("STATS_BASIC_AUTH_PASS", "change-me")
+
+# Cache/ETag dla Varnisha
+CACHE_ENABLED       = getenv_bool("CACHE_ENABLED", True)
+CACHE_S_MAXAGE      = getenv_int("CACHE_S_MAXAGE", 43200)  # 12h
+CACHE_MAX_AGE       = getenv_int("CACHE_MAX_AGE", 3600)    # 1h
+USE_REDIS_BODY_CACHE = getenv_bool("USE_REDIS_BODY_CACHE", False)
+
+# AIOHTTP/stream
+AIOHTTP_TOTAL_TIMEOUT       = getenv_float("AIOHTTP_TOTAL_TIMEOUT", 70.0)
+AIOHTTP_CONNECT_TIMEOUT     = getenv_float("AIOHTTP_CONNECT_TIMEOUT", 10.0)
+AIOHTTP_SOCK_CONNECT_TIMEOUT= getenv_float("AIOHTTP_SOCK_CONNECT_TIMEOUT", 10.0)
+AIOHTTP_SOCK_READ_TIMEOUT   = getenv_float("AIOHTTP_SOCK_READ_TIMEOUT", 60.0)
+
+READ_CHUNK       = getenv_int("READ_CHUNK", 64 * 1024)  # 64 KiB
+STREAM_LINE_LIMIT= getenv_int("STREAM_LINE_LIMIT", 4096)
+
+# Serwer
+BIND_HOST = os.getenv("BIND_HOST", "127.0.0.1")
+BIND_PORT = getenv_int("BIND_PORT", 8283)
+
+# Domyślny URL źródłowy (opcjonalny)
+DEFAULT_SOURCE_URL = os.getenv(
+    "DEFAULT_SOURCE_URL",
+    ""
+)