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20 lines
681 B
Python
20 lines
681 B
Python
import re
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def preserve_user_region(new_code, old_code, region_name):
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"""
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替换 new_code 中 region_name 区域为 old_code 中的内容（如果有）
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region_name: 如 'USER INCLUDE'
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"""
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pattern = re.compile(
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rf"/\*\s*{region_name}\s*BEGIN\s*\*/(.*?)/\*\s*{region_name}\s*END\s*\*/",
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re.DOTALL
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)
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old_match = pattern.search(old_code or "")
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if not old_match:
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return new_code # 旧文件没有该区域，直接返回新代码
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old_content = old_match.group(1)
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def repl(m):
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return m.group(0).replace(m.group(1), old_content)
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# 替换新代码中的该区域
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return pattern.sub(repl, new_code, count=1) |