bpo-33204: IDLE: consistently color invalid string prefixes (GH-6344) · python/cpython@6130675 (original) (raw)

`@@ -21,7 +21,7 @@ def make_pat():

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`# 1st 'file' colorized normal, 2nd as builtin, 3rd as string

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`builtin = r"([^.'"\#]\b|^)" + any("BUILTIN", builtinlist) + r"\b"

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`comment = any("COMMENT", [r"#[^\n]*"])

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stringprefix = r"(?i:\br|u|f|fr|rf|b|br|rb)?"

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stringprefix = r"(?i:r|u|f|fr|rf|b|br|rb)?"

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`sqstring = stringprefix + r"'[^'\\n](\.[^'\\n])*'?"

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`dqstring = stringprefix + r'"[^"\\n](\.[^"\\n])*"?'

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`sq3string = stringprefix + r"'''[^'\]((\.|'(?!''))[^'\])*(''')?"

`@@ -265,11 +265,14 @@ def _color_delegator(parent): # htest #

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`source = ("# Following has syntax errors\n"

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`"if True: then int 1\nelif False: print 0\nelse: float(None)\n"

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`"if iF + If + IF: 'keywork matching must respect case'\n"

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"# All valid prefixes for unicode and byte strings should be colored\n"

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"# All valid prefixes for unicode and byte strings should be colored.\n"

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`"'x', '''x''', "x", """x"""\n"

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"r'x', u'x', R'x', U'x', f'x', F'x', ur'is invalid'\n"

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"r'x', u'x', R'x', U'x', f'x', F'x'\n"

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`"fr'x', Fr'x', fR'x', FR'x', rf'x', rF'x', Rf'x', RF'x'\n"

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"b'x',B'x', br'x',Br'x',bR'x',BR'x', rb'x'.rB'x',Rb'x',RB'x'\n")

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"b'x',B'x', br'x',Br'x',bR'x',BR'x', rb'x'.rB'x',Rb'x',RB'x'\n"

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"# Invalid combinations of legal characters should be half colored.\n"

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"ur'x', ru'x', uf'x', fu'x', UR'x', ufr'x', rfu'x', xf'x', fx'x'"

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)

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`text = Text(top, background="white")

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`text.pack(expand=1, fill="both")

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`text.insert("insert", source)