escape()

Escape HTML characters in a string.

Implementation

Args: string: The string to escape (None→""). Returns: An HTML-escaped string, using decimal entities for ' and `.

Example

escape('abc<> &"'`efg')

Expected output: "abc<> &"'`efg"

Source Code

                        def escape(string: Any) -> str:
    if string is None:
        return ""
    s = str(string)
    out: list[str] = []
    for ch in s:
        if ch == "&":
            out.append("&amp;")
        elif ch == "<":
            out.append("&lt;")
        elif ch == ">":
            out.append("&gt;")
        elif ch == '"':
            out.append("&quot;")
        elif ch == "'":
            out.append("&#39;")
        elif ch == "`":
            out.append("&#96;")
        else:
            out.append(ch)
    return "".join(out)
                    