Function _splitlines_no_ff

Lib/ast.py:333–349

Split a string into lines ignoring form feed and other chars. This mimics how the Python parser splits source code.

(source, maxlines=None)

_line_pattern = None
def _splitlines_no_ff(source, maxlines=None):
    """Split a string into lines ignoring form feed and other chars.

    This mimics how the Python parser splits source code.
    """
    global _line_pattern
    if _line_pattern is None:
        # lazily computed to speedup import time of `ast`
        import re
        _line_pattern = re.compile(r"(.*?(?:\r\n|\n|\r|$))")

    lines = []
    for lineno, match in enumerate(_line_pattern.finditer(source), 1):
        if maxlines is not None and lineno > maxlines:
            break
        lines.append(match[0])
    return lines


def _pad_whitespace(source):