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import json
import re
from typing import Dict, Any
def check_format(script_content: str) -> Dict[str, Any]:
"""检查脚本格式
Args:
script_content: 脚本内容
Returns:
Dict: {'success': bool, 'message': str, 'details': str}
"""
try:
# 检查是否为有效的JSON
data = json.loads(script_content)
# 检查是否为列表
if not isinstance(data, list):
return {
'success': False,
'message': '脚本必须是JSON数组格式',
'details': '正确格式应该是: [{"_id": 1, "timestamp": "...", ...}, ...]'
}
# 检查数组不能为空
if len(data) == 0:
return {
'success': False,
'message': '脚本数组不能为空',
'details': '至少需要包含一个脚本片段'
}
# 检查每个片段
for i, clip in enumerate(data):
# 检查是否为对象类型
if not isinstance(clip, dict):
return {
'success': False,
'message': f'第{i+1}个元素必须是对象类型',
'details': f'当前类型: {type(clip).__name__}'
}
# 检查必需字段
required_fields = ['_id', 'timestamp', 'picture', 'narration', 'OST']
for field in required_fields:
if field not in clip:
return {
'success': False,
'message': f'第{i+1}个片段缺少必需字段: {field}',
'details': f'必需字段: {", ".join(required_fields)}'
}
# 验证 _id 字段
if not isinstance(clip['_id'], int) or clip['_id'] <= 0:
return {
'success': False,
'message': f'第{i+1}个片段的_id必须是正整数',
'details': f'当前值: {clip["_id"]} (类型: {type(clip["_id"]).__name__})'
}
# 验证 timestamp 字段格式
timestamp_pattern = r'^\d{2}:\d{2}:\d{2},\d{3}-\d{2}:\d{2}:\d{2},\d{3}$'
if not isinstance(clip['timestamp'], str) or not re.match(timestamp_pattern, clip['timestamp']):
return {
'success': False,
'message': f'第{i+1}个片段的timestamp格式错误',
'details': f'正确格式: "HH:MM:SS,mmm-HH:MM:SS,mmm"，示例: "00:00:00,600-00:00:07,559"'
}
# 验证 picture 字段
if not isinstance(clip['picture'], str) or not clip['picture'].strip():
return {
'success': False,
'message': f'第{i+1}个片段的picture必须是非空字符串',
'details': f'当前值: {clip.get("picture", "未定义")}'
}
# 验证 narration 字段
if not isinstance(clip['narration'], str) or not clip['narration'].strip():
return {
'success': False,
'message': f'第{i+1}个片段的narration必须是非空字符串',
'details': f'当前值: {clip.get("narration", "未定义")}'
}
# 验证 OST 字段
if not isinstance(clip['OST'], int):
return {
'success': False,
'message': f'第{i+1}个片段的OST必须是整数',
'details': f'当前值: {clip["OST"]} (类型: {type(clip["OST"]).__name__})，常用值: 0, 1, 2'
}
return {
'success': True,
'message': '脚本格式检查通过',
'details': f'共验证 {len(data)} 个脚本片段，格式正确'
}
except json.JSONDecodeError as e:
return {
'success': False,
'message': f'JSON格式错误: {str(e)}',
'details': '请检查JSON语法，确保所有括号、引号、逗号正确'
}
except Exception as e:
return {
'success': False,
'message': f'检查过程中发生错误: {str(e)}',
'details': '请联系技术支持'
}
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