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How best to write this if-else?

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In article <roy-D0E658.17013521042001 at news.panix.com>, "Roy Smith"<roy at panix.com> wrote:> What if I want to execute different code depending on which expression I> matched?  Something along the lines of (pseudocode):>> if (m = e1.match(line)):>    text1 = m.group(1)>    do_complicated_processing (text1)> elif (m = e2.match(line)):>    text1 = m.group(1)>    text2 = m.group(2)>    print text1, text2> elif (m = e3.match(line)):>    returnYou could dodef meaningful_name_1(matchobject):   do_complicated_processing(matchobject.group(1))def meaningful_name_2(matchobject): ...etcre_dispatch = {re.compile(blah):meaningful_name_1,               re.compile(durh):meaningful_name_2               ..etc              }for re, func in re_dispatch.items():    m = re.match(line)    if m:       func(m)       breakelse:    no match found-- Barnabas T. RumjugglerThou hast been called, O Sleep!  The friend of woe,But 'tis the happy who have called thee so. -- Robert Southey

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