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-rw-r--r--Lib/urlparse.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/Lib/urlparse.py b/Lib/urlparse.py
index 1d065d3986..f6e20afdb8 100644
--- a/Lib/urlparse.py
+++ b/Lib/urlparse.py
@@ -272,8 +272,9 @@ def urldefrag(url):
# Cannot use directly from urllib as it would create circular reference.
# urllib uses urlparse methods ( urljoin)
-_hextochr = dict(('%02x' % i, chr(i)) for i in range(256))
-_hextochr.update(('%02X' % i, chr(i)) for i in range(256))
+
+_hexdig = '0123456789ABCDEFabcdef'
+_hextochr = dict((a+b, chr(int(a+b,16))) for a in _hexdig for b in _hexdig)
def unquote(s):
"""unquote('abc%20def') -> 'abc def'."""