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# Regex to find any control chars, except for \t \n and \r _controlCharPat = re.compile( r"[\x00\x01\x02\x03\x04\x05\x06\x07\x08\x0b\x0c\x0e\x0f" r"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f]") def _escapeAndEncode(text): m = _controlCharPat.search(text) if m is not None: raise ValueError("strings can't contains control characters; " "use plistlib.Data instead") text = text.replace("\r\n", "\n") # convert DOS line endings text = text.replace("\r", "\n") # convert Mac line endings text = text.replace("&", "&amp;") # escape '&' text = text.replace("<", "&lt;") # escape '<' text = text.replace(">", "&gt;") # escape '>' return text.encode("utf-8") # encode as UTF-8

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