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1 """
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2 This file contains various helper utility functions for the messages
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3 application.
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4 """
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5
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6 from django.utils.text import wrap
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7
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8
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9 def reply_subject(subject):
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10 """
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11 Builds a subject line for a reply.
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12 If the subject already starts with Re: then return the subject.
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13 Otherwise, prepend Re: to the subject and return it.
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14 """
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15 if subject.startswith('Re: '):
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16 return subject
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17 return 'Re: ' + subject
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18
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19
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20 def quote_message(who, date, message):
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21 """
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22 Builds a message reply by quoting the existing message in a
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23 typical email-like fashion. The quoting is compatible with Markdown.
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24 """
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25 header = '> On %s, %s wrote:\n>\n' % (date.strftime('%a, %b %d %Y, %I:%M %p'), who)
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26 lines = wrap(message, 55).split('\n')
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27 for i, line in enumerate(lines):
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28 lines[i] = '> ' + line
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29 return header + '\n'.join(lines)
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