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qapi: Fix cgen() for Python older than 2.7
A feature new in Python 2.7 crept into commit 77e703b
: re.subn()'s
fifth argument. Avoid that, use re.compile().
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 1441640755-23902-1-git-send-email-armbru@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -944,7 +944,9 @@ def cgen(code, **kwds):
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raw = code % kwds
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raw = code % kwds
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if indent_level:
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if indent_level:
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indent = genindent(indent_level)
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indent = genindent(indent_level)
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raw = re.subn("^.", indent + r'\g<0>', raw, 0, re.MULTILINE)
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# re.subn() lacks flags support before Python 2.7, use re.compile()
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raw = re.subn(re.compile("^.", re.MULTILINE),
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indent + r'\g<0>', raw)
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raw = raw[0]
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raw = raw[0]
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return re.sub(re.escape(eatspace) + ' *', '', raw)
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return re.sub(re.escape(eatspace) + ' *', '', raw)
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