TERMINAL FM // pgen2

NAME ↑		SIZE	MODIFIED	PERMS
.. / Parent Directory
	__pycache__ — dir 2026-07-01 11:10 · rwxr-xr-x	—	2026-07-01 11:10	rwxr-xr-x
	__init__.py — 143 B 2025-06-03 18:38 · rw-r--r--	143 B	2025-06-03 18:38	rw-r--r--
	conv.py — 9.42 KB 2025-06-03 18:38 · rw-r--r--	9.42 KB	2025-06-03 18:38	rw-r--r--
	driver.py — 5.83 KB 2025-06-03 18:38 · rw-r--r--	5.83 KB	2025-06-03 18:38	rw-r--r--
	grammar.py — 5.42 KB 2025-06-03 18:38 · rw-r--r--	5.42 KB	2025-06-03 18:38	rw-r--r--
	literals.py — 1.6 KB 2025-06-03 18:38 · rw-r--r--	1.6 KB	2025-06-03 18:38	rw-r--r--
	parse.py — 7.96 KB 2025-06-03 18:38 · rw-r--r--	7.96 KB	2025-06-03 18:38	rw-r--r--
	pgen.py — 13.51 KB 2025-06-03 18:38 · rw-r--r--	13.51 KB	2025-06-03 18:38	rw-r--r--
	token.py — 1.27 KB 2025-06-03 18:38 · rwxr-xr-x	1.27 KB	2025-06-03 18:38	rwxr-xr-x
	tokenize.py — 20.62 KB 2025-06-03 18:38 · rw-r--r--	20.62 KB	2025-06-03 18:38	rw-r--r--

ONLINE

pgen2

10 items

11:34:52

# Copyright 2004-2005 Elemental Security, Inc. All Rights Reserved. # Licensed to PSF under a Contributor Agreement. """Safely evaluate Python string literals without using eval().""" import re simple_escapes = {"a": "\a", "b": "\b", "f": "\f", "n": "\n", "r": "\r", "t": "\t", "v": "\v", "'": "'", '"': '"', "\\": "\\"} def escape(m): all, tail = m.group(0, 1) assert all.startswith("\\") esc = simple_escapes.get(tail) if esc is not None: return esc if tail.startswith("x"): hexes = tail[1:] if len(hexes) < 2: raise ValueError("invalid hex string escape ('\\%s')" % tail) try: i = int(hexes, 16) except ValueError: raise ValueError("invalid hex string escape ('\\%s')" % tail) from None else: try: i = int(tail, 8) except ValueError: raise ValueError("invalid octal string escape ('\\%s')" % tail) from None return chr(i) def evalString(s): assert s.startswith("'") or s.startswith('"'), repr(s[:1]) q = s[0] if s[:3] == q*3: q = q*3 assert s.endswith(q), repr(s[-len(q):]) assert len(s) >= 2*len(q) s = s[len(q):-len(q)] return re.sub(r"\\(\'|\"|\\|[abfnrtv]|x.{0,2}|[0-7]{1,3})", escape, s) def test(): for i in range(256): c = chr(i) s = repr(c) e = evalString(s) if e != c: print(i, c, s, e) if __name__ == "__main__": test()