From c0eaecafe9809757301551285f2a41ea89f1f228 Mon Sep 17 00:00:00 2001 From: Armin Ronacher Date: Sun, 4 Mar 2012 13:07:57 +0000 Subject: Updated tokenize to support the inverse byte literals new in 3.3 --- Lib/test/test_tokenize.py | 12 ++++++++++++ Lib/tokenize.py | 22 ++++++++++++++++------ 2 files changed, 28 insertions(+), 6 deletions(-) diff --git a/Lib/test/test_tokenize.py b/Lib/test/test_tokenize.py index dce3c6e..db87e11 100644 --- a/Lib/test/test_tokenize.py +++ b/Lib/test/test_tokenize.py @@ -563,6 +563,18 @@ Non-ascii identifiers NAME 'grün' (2, 0) (2, 4) OP '=' (2, 5) (2, 6) STRING "'green'" (2, 7) (2, 14) + +Legacy unicode literals: + + >>> dump_tokens("Örter = u'places'\\ngrün = UR'green'") + ENCODING 'utf-8' (0, 0) (0, 0) + NAME 'Örter' (1, 0) (1, 5) + OP '=' (1, 6) (1, 7) + STRING "u'places'" (1, 8) (1, 17) + NEWLINE '\\n' (1, 17) (1, 18) + NAME 'grün' (2, 0) (2, 4) + OP '=' (2, 5) (2, 6) + STRING "UR'green'" (2, 7) (2, 16) """ from test import support diff --git a/Lib/tokenize.py b/Lib/tokenize.py index b7ae7d3..741417a 100644 --- a/Lib/tokenize.py +++ b/Lib/tokenize.py @@ -127,6 +127,8 @@ Floatnumber = group(Pointfloat, Expfloat) Imagnumber = group(r'[0-9]+[jJ]', Floatnumber + r'[jJ]') Number = group(Imagnumber, Floatnumber, Intnumber) +StringPrefix = r'(?:[uU][rR]?|[bB][rR]|[rR][bB]|[rR]|[uU])?' + # Tail end of ' string. Single = r"[^'\\]*(?:\\.[^'\\]*)*'" # Tail end of " string. @@ -135,10 +137,10 @@ Double = r'[^"\\]*(?:\\.[^"\\]*)*"' Single3 = r"[^'\\]*(?:(?:\\.|'(?!''))[^'\\]*)*'''" # Tail end of """ string. Double3 = r'[^"\\]*(?:(?:\\.|"(?!""))[^"\\]*)*"""' -Triple = group("[bBuU]?[rR]?'''", '[bBuU]?[rR]?"""') +Triple = group(StringPrefix + "'''", StringPrefix + '"""') # Single-line ' or " string. -String = group(r"[bBuU]?[rR]?'[^\n'\\]*(?:\\.[^\n'\\]*)*'", - r'[bBuU]?[rR]?"[^\n"\\]*(?:\\.[^\n"\\]*)*"') +String = group(StringPrefix + r"'[^\n'\\]*(?:\\.[^\n'\\]*)*'", + StringPrefix + r'"[^\n"\\]*(?:\\.[^\n"\\]*)*"') # Because of leftmost-then-longest match semantics, be sure to put the # longest operators first (e.g., if = came before ==, == would get @@ -156,9 +158,9 @@ PlainToken = group(Number, Funny, String, Name) Token = Ignore + PlainToken # First (or only) line of ' or " string. -ContStr = group(r"[bBuU]?[rR]?'[^\n'\\]*(?:\\.[^\n'\\]*)*" + +ContStr = group(StringPrefix + r"'[^\n'\\]*(?:\\.[^\n'\\]*)*" + group("'", r'\\\r?\n'), - r'[bBuU]?[rR]?"[^\n"\\]*(?:\\.[^\n"\\]*)*' + + StringPrefix + r'"[^\n"\\]*(?:\\.[^\n"\\]*)*' + group('"', r'\\\r?\n')) PseudoExtras = group(r'\\\r?\n', Comment, Triple) PseudoToken = Whitespace + group(PseudoExtras, Number, Funny, ContStr, Name) @@ -170,12 +172,16 @@ endpats = {"'": Single, '"': Double, "'''": Single3, '"""': Double3, "r'''": Single3, 'r"""': Double3, "b'''": Single3, 'b"""': Double3, - "br'''": Single3, 'br"""': Double3, "R'''": Single3, 'R"""': Double3, "B'''": Single3, 'B"""': Double3, + "br'''": Single3, 'br"""': Double3, "bR'''": Single3, 'bR"""': Double3, "Br'''": Single3, 'Br"""': Double3, "BR'''": Single3, 'BR"""': Double3, + "rb'''": Single3, 'rb"""': Double3, + "Rb'''": Single3, 'Rb"""': Double3, + "rB'''": Single3, 'rB"""': Double3, + "RB'''": Single3, 'RB"""': Double3, "u'''": Single3, 'u"""': Double3, "ur'''": Single3, 'ur"""': Double3, "R'''": Single3, 'R"""': Double3, @@ -192,6 +198,8 @@ for t in ("'''", '"""', "b'''", 'b"""', "B'''", 'B"""', "br'''", 'br"""', "Br'''", 'Br"""', "bR'''", 'bR"""', "BR'''", 'BR"""', + "rb'''", 'rb"""', "rB'''", 'rB"""', + "Rb'''", 'Rb"""', "RB'''", 'RB"""', "u'''", 'u"""', "U'''", 'U"""', "ur'''", 'ur"""', "Ur'''", 'Ur"""', "uR'''", 'uR"""', "UR'''", 'UR"""'): @@ -202,6 +210,8 @@ for t in ("'", '"', "b'", 'b"', "B'", 'B"', "br'", 'br"', "Br'", 'Br"', "bR'", 'bR"', "BR'", 'BR"' , + "rb'", 'rb"', "rB'", 'rB"', + "Rb'", 'Rb"', "RB'", 'RB"' , "u'", 'u"', "U'", 'U"', "ur'", 'ur"', "Ur'", 'Ur"', "uR'", 'uR"', "UR'", 'UR"' ): -- cgit v0.12