def get_prefix()

in tools/hook-scripts/mailer/mailer.py [0:0]

• 18 lines of code
• 26 McCabe index (conditional complexity)

  def get_prefix(self, subject_line, group, params):
    # whitespace (or another character) separated list of addresses
    # which must be split into a clean list
    to_addr_in = self.cfg.get('to_addr', group, params)
    # if list of addresses starts with '[.]'
    # use the character between the square brackets as split char
    # else use whitespaces
    if len(to_addr_in) >= 3 and to_addr_in[0] == '[' \
                            and to_addr_in[2] == ']':
      self.to_addrs = \
        [_f for _f in to_addr_in[3:].split(to_addr_in[1]) if _f]
    else:
      self.to_addrs = [_f for _f in to_addr_in.split() if _f]
    self.from_addr = self.cfg.get('from_addr', group, params) \
                     or self.repos.author or 'no_author'
    # if the from_addr (also) starts with '[.]' (may happen if one
    # map is used for both to_addr and from_addr) remove '[.]'
    if len(self.from_addr) >= 3 and self.from_addr[0] == '[' \
                                and self.from_addr[2] == ']':
      self.from_addr = self.from_addr[3:]
    self.reply_to = self.cfg.get('reply_to', group, params)
    # if the reply_to (also) starts with '[.]' (may happen if one
    # map is used for both to_addr and reply_to) remove '[.]'
    if len(self.reply_to) >= 3 and self.reply_to[0] == '[' \
                               and self.reply_to[2] == ']':
      self.reply_to = self.reply_to[3:]

    # Return the prefix for the mail message.
    return self.mail_headers(subject_line, group)