Mon, 21 Feb 2011 16:12:13 +0100
plugins.xkcd: Escape parentheses in search queries
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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1 | local parse_xkcd_list; |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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2 | local xkcd_list_updated_at = 0; |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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3 | local xkcd_list = { }; |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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4 | |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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5 | function riddim.plugins.xkcd(bot) |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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6 | require "net.httpclient_listener"; |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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7 | local http = require("net.http"); |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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8 | bot:hook("commands/xkcd", function(command) |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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9 | if os.difftime(os.time(), xkcd_list_updated_at) > (3 * 60 * 60) then -- Not refreshed within 3 hours |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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10 | http.request('http://xkcd.com/archive/', { |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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11 | headers = { ["If-Modified-Since"] = os.date("!%a, %d %b %Y %T %Z", xkcd_list_updated_at or 0) } |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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12 | }, function (data, code) |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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13 | if code == 200 then |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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14 | xkcd_list_updated_at = os.time(); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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15 | print("debug", "got "..(#data or 0).." bytes of data"); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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16 | parse_xkcd_list(data); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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17 | elseif code == 304 then |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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18 | xkcd_list_updated_at = os.time(); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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19 | else |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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20 | if code > 0 then |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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21 | command:reply("Received HTTP "..code.." error trying to fetch the XKCD archive"); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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22 | else |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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23 | command:reply("Unable to fetch the XKCD archive from xkcd.com: "..data:gsub("%-", " ")); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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24 | end |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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25 | return; |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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26 | end |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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27 | command:reply(handle_xkcd_command(command)); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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28 | end); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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29 | else |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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30 | return handle_xkcd_command(command); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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31 | end |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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32 | end); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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33 | end |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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34 | |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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35 | function handle_xkcd_command(command) |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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36 | local xkcdnum = command.param; |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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37 | if not xkcdnum then return "Please supply an XKCD number or a search string :)"; end |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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38 | if not tonumber(xkcdnum) then -- Search for an xkcd |
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plugins.xkcd: Escape parentheses in search queries
Kim Alvefur <zash@zash.se>
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39 | xkcdnum = xkcdnum:gsub("[()]", function(s) return "%" .. s end) |
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766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
parents:
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40 | local results = {}; |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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41 | for x, xkcd in pairs(xkcd_list) do |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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42 | name = " "..xkcd:lower().." "; |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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43 | if name:match(xkcdnum:lower():gsub("%-", "%%-")) then |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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44 | table.insert(results, x); |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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45 | --return commands.xkcd(msg, x); |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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46 | end |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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47 | end |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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48 | if #results == 0 then |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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49 | return "Sorry, I couldn't find a match"; |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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50 | elseif #results == 1 then |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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51 | command.param = results[1]; |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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52 | return handle_xkcd_command(command); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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53 | else |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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54 | -- We have more than one match |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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55 | local ret = "Multiple matches:"; |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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56 | for _, x in ipairs(results) do |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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57 | local xkcdnum = tostring(tonumber(x)); |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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58 | local xkcd = xkcd_list[tostring(x)]; |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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59 | ret = string.format("%s %s%s", ret, xkcd, ((_ < #results) and ",") or ""); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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60 | if _ > 5 then ret = ret .. " " .. (#results - 5) .. " more"; break; end |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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61 | end |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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62 | return ret; |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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63 | end |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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64 | end |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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65 | -- Check that xkcdnum is a valid number |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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66 | xkcdnum = tostring(tonumber(xkcdnum)); |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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67 | if not xkcdnum then return "What XKCD strip number? Or enter a search string."; end |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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68 | xkcd = xkcd_list[xkcdnum]; |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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69 | if not xkcd then return "Sorry, I don't think there is a XKCD #"..xkcdnum; end |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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70 | return xkcd..", http://xkcd.org/"..xkcdnum.."/"; |
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plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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71 | end |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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72 | |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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73 | function parse_xkcd_list(t) |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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74 | if not t then return nil; end |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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75 | for number, name in string.gmatch(t,"<a [^>]*href=\"/(%d+)/\"[^>]*>([^<]+)") do |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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76 | xkcd_list[number] = name; |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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77 | end |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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78 | return true; |
766f4225110b
plugins.xkcd: New plugin, guess what it does ;)
Kim Alvefur <zash@zash.se>
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79 | end |