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支持自动检测语言

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This commit is contained in:
puke
2025-10-30 11:37:47 +08:00
parent 713b90c176
commit 9d06bcc1c5
2 changed files with 127 additions and 8 deletions
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13
web/app.py
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@@ -13,7 +13,7 @@ import streamlit as st
from loguru import logger
# Import i18n and config manager
from web.i18n import load_locales, set_language, tr, get_available_languages
from web.i18n import load_locales, set_language, tr, get_available_languages, get_language
from reelforge.config import config_manager
from reelforge.models.progress import ProgressEvent
@@ -52,12 +52,10 @@ def safe_rerun():
def init_i18n():
"""Initialize internationalization"""
# Load locales if not already loaded
load_locales()
# Get language from session state or default to Chinese
# Locales are already loaded and system language detected on import
# Get language from session state or use auto-detected system language
if "language" not in st.session_state:
st.session_state.language = "zh_CN"
st.session_state.language = get_language() # Use auto-detected language
# Set current language
set_language(st.session_state.language)
@@ -86,7 +84,8 @@ def get_reelforge():
def init_session_state():
"""Initialize session state variables"""
if "language" not in st.session_state:
st.session_state.language = "zh_CN"
# Use auto-detected system language
st.session_state.language = get_language()
# ============================================================================

122
web/i18n/__init__.py
View File

@@ -3,13 +3,14 @@ International language support for ReelForge Web UI
"""
import json
import locale
from pathlib import Path
from typing import Dict, Optional
from loguru import logger
_locales: Dict[str, dict] = {}
_current_language: str = "zh_CN"
_current_language: str = "en_US" # Default fallback to English
def load_locales() -> Dict[str, dict]:
@@ -112,6 +113,125 @@ def get_available_languages() -> Dict[str, str]:
}
def detect_system_language() -> str:
"""
Detect system/OS language and return the best matching locale code.
Falls back to English if no match found.
This is designed for self-hosted scenarios where the server and browser
are typically on the same machine.
Returns:
Language code (e.g., "zh_CN", "en_US")
"""
try:
import os
import platform
import subprocess
system_locale = None
# Method 1: macOS-specific detection (most reliable for macOS)
if platform.system() == "Darwin": # macOS
try:
# Get AppleLocale which reflects system language preference
result = subprocess.run(
["defaults", "read", "-g", "AppleLocale"],
capture_output=True,
text=True,
timeout=2
)
if result.returncode == 0:
system_locale = result.stdout.strip()
logger.debug(f"System locale from macOS AppleLocale: {system_locale}")
except Exception as e:
logger.debug(f"macOS AppleLocale detection failed: {e}")
# Fallback: try AppleLanguages
if not system_locale:
try:
result = subprocess.run(
["defaults", "read", "-g", "AppleLanguages"],
capture_output=True,
text=True,
timeout=2
)
if result.returncode == 0:
# Parse array output like: ( "zh-Hans-CN", "en-CN" )
output = result.stdout.strip()
# Extract first language
import re
match = re.search(r'"([^"]+)"', output)
if match:
lang = match.group(1)
# Convert zh-Hans-CN to zh_CN
if lang.startswith("zh-Hans"):
system_locale = "zh_CN"
elif lang.startswith("zh-Hant"):
system_locale = "zh_TW"
else:
system_locale = lang.replace("-", "_")
logger.debug(f"System locale from macOS AppleLanguages: {system_locale}")
except Exception as e:
logger.debug(f"macOS AppleLanguages detection failed: {e}")
# Method 2: Get from environment locale (cross-platform)
if not system_locale:
try:
system_locale = locale.getdefaultlocale()[0]
logger.debug(f"System locale from getdefaultlocale(): {system_locale}")
except Exception as e:
logger.debug(f"getdefaultlocale() failed: {e}")
# Method 3: Get from current locale
if not system_locale:
try:
system_locale = locale.getlocale()[0]
logger.debug(f"System locale from getlocale(): {system_locale}")
except Exception as e:
logger.debug(f"getlocale() failed: {e}")
# Method 4: Try to get from environment variables
if not system_locale:
for env_var in ['LC_ALL', 'LC_MESSAGES', 'LANG', 'LANGUAGE']:
env_value = os.environ.get(env_var)
if env_value:
# Extract language code from formats like "zh_CN.UTF-8"
system_locale = env_value.split('.')[0]
logger.debug(f"System locale from {env_var}: {system_locale}")
break
if system_locale:
# Normalize the locale string
# Handle formats: zh_CN, zh-CN, zh_CN.UTF-8, etc.
system_locale = system_locale.replace('-', '_').split('.')[0]
# Direct match (e.g., "zh_CN")
for locale_code in _locales.keys():
if locale_code.lower() == system_locale.lower():
logger.info(f"System language matched: {locale_code}")
return locale_code
# Partial match (e.g., "zh" matches "zh_CN")
lang_prefix = system_locale.split('_')[0].lower()
for locale_code in _locales.keys():
if locale_code.lower().startswith(lang_prefix):
logger.info(f"System language partially matched: {locale_code} (from {system_locale})")
return locale_code
logger.info("No system language detected, using fallback")
except Exception as e:
logger.warning(f"Failed to detect system language: {e}")
# Fallback to English
return "en_US"
# Auto-load locales on import
load_locales()
# Auto-detect and set system language
_detected_language = detect_system_language()
_current_language = _detected_language
logger.info(f"Default language initialized to: {_current_language}")