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<h1>Source code for evennia.contrib.barter</h1><div class="highlight"><pre>
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<span></span><span class="sd">"""</span>
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<span class="sd">Barter system</span>
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<span class="sd">Evennia contribution - Griatch 2012</span>
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<span class="sd">This implements a full barter system - a way for players to safely</span>
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<span class="sd">trade items between each other using code rather than simple free-form</span>
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<span class="sd">talking. The advantage of this is increased buy/sell safety but it</span>
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<span class="sd">also streamlines the process and makes it faster when doing many</span>
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<span class="sd">transactions (since goods are automatically exchanged once both</span>
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<span class="sd">agree).</span>
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<span class="sd">This system is primarily intended for a barter economy, but can easily</span>
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<span class="sd">be used in a monetary economy as well -- just let the "goods" on one</span>
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<span class="sd">side be coin objects (this is more flexible than a simple "buy"</span>
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<span class="sd">command since you can mix coins and goods in your trade).</span>
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<span class="sd">In this module, a "barter" is generally referred to as a "trade".</span>
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<span class="sd">- Trade example</span>
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<span class="sd">A trade (barter) action works like this: A and B are the parties.</span>
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<span class="sd">1) opening a trade</span>
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<span class="sd">A: trade B: Hi, I have a nice extra sword. You wanna trade?</span>
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<span class="sd">B sees: A says: "Hi, I have a nice extra sword. You wanna trade?"</span>
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<span class="sd"> A wants to trade with you. Enter 'trade A <emote>' to accept.</span>
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<span class="sd">B: trade A: Hm, I could use a good sword ...</span>
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<span class="sd">A sees: B says: "Hm, I could use a good sword ...</span>
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<span class="sd"> B accepts the trade. Use 'trade help' for aid.</span>
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<span class="sd">B sees: You are now trading with A. Use 'trade help' for aid.</span>
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<span class="sd">2) negotiating</span>
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<span class="sd">A: offer sword: This is a nice sword. I would need some rations in trade.</span>
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<span class="sd">B sees: A says: "This is a nice sword. I would need some rations in trade."</span>
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<span class="sd"> [A offers Sword of might.]</span>
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<span class="sd">B evaluate sword</span>
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<span class="sd">B sees: <Sword's description and possibly stats></span>
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<span class="sd">B: offer ration: This is a prime ration.</span>
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<span class="sd">A sees: B says: "This is a prime ration."</span>
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<span class="sd"> [B offers iron ration]</span>
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<span class="sd">A: say Hey, this is a nice sword, I need something more for it.</span>
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<span class="sd">B sees: A says: "Hey this is a nice sword, I need something more for it."</span>
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<span class="sd">B: offer sword,apple: Alright. I will also include a magic apple. That's my last offer.</span>
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<span class="sd">A sees: B says: "Alright, I will also include a magic apple. That's my last offer."</span>
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<span class="sd"> [B offers iron ration and magic apple]</span>
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<span class="sd">A accept: You are killing me here, but alright.</span>
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<span class="sd">B sees: A says: "You are killing me here, but alright."</span>
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<span class="sd"> [A accepts your offer. You must now also accept.]</span>
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<span class="sd">B accept: Good, nice making business with you.</span>
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<span class="sd"> You accept the deal. Deal is made and goods changed hands.</span>
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<span class="sd">A sees: B says: "Good, nice making business with you."</span>
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<span class="sd"> B accepts the deal. Deal is made and goods changed hands.</span>
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<span class="sd">At this point the trading system is exited and the negotiated items</span>
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<span class="sd">are automatically exchanged between the parties. In this example B was</span>
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<span class="sd">the only one changing their offer, but also A could have changed their</span>
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<span class="sd">offer until the two parties found something they could agree on. The</span>
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<span class="sd">emotes are optional but useful for RP-heavy worlds.</span>
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<span class="sd">- Technical info</span>
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<span class="sd">The trade is implemented by use of a TradeHandler. This object is a</span>
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<span class="sd">common place for storing the current status of negotiations. It is</span>
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<span class="sd">created on the object initiating the trade, and also stored on the</span>
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<span class="sd">other party once that party agrees to trade. The trade request times</span>
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<span class="sd">out after a certain time - this is handled by a Script. Once trade</span>
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<span class="sd">starts, the CmdsetTrade cmdset is initiated on both parties along with</span>
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<span class="sd">the commands relevant for the trading.</span>
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<span class="sd">- Ideas for NPC bartering:</span>
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<span class="sd">This module is primarily intended for trade between two players. But</span>
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<span class="sd">it can also in principle be used for a player negotiating with an</span>
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<span class="sd">AI-controlled NPC. If the NPC uses normal commands they can use it</span>
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<span class="sd">directly -- but more efficient is to have the NPC object send its</span>
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<span class="sd">replies directly through the tradehandler to the player. One may want</span>
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<span class="sd">to add some functionality to the decline command, so players can</span>
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<span class="sd">decline specific objects in the NPC offer (decline <object>) and allow</span>
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<span class="sd">the AI to maybe offer something else and make it into a proper</span>
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<span class="sd">barter. Along with an AI that "needs" things or has some sort of</span>
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<span class="sd">personality in the trading, this can make bartering with NPCs at least</span>
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<span class="sd">moderately more interesting than just plain 'buy'.</span>
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<span class="sd">- Installation:</span>
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<span class="sd">Just import the CmdTrade command into (for example) the default</span>
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<span class="sd">cmdset. This will make the trade (or barter) command available</span>
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<span class="sd">in-game.</span>
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<span class="sd">"""</span>
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<span class="kn">from</span> <span class="nn">evennia</span> <span class="kn">import</span> <span class="n">Command</span><span class="p">,</span> <span class="n">DefaultScript</span><span class="p">,</span> <span class="n">CmdSet</span>
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<span class="n">TRADE_TIMEOUT</span> <span class="o">=</span> <span class="mi">60</span> <span class="c1"># timeout for B to accept trade</span>
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<div class="viewcode-block" id="TradeTimeout"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeTimeout">[docs]</a><span class="k">class</span> <span class="nc">TradeTimeout</span><span class="p">(</span><span class="n">DefaultScript</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> This times out the trade request, in case player B did not reply in time.</span>
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<span class="sd"> """</span>
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<div class="viewcode-block" id="TradeTimeout.at_script_creation"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeTimeout.at_script_creation">[docs]</a> <span class="k">def</span> <span class="nf">at_script_creation</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> Called when script is first created</span>
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<span class="sd"> """</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="s2">"trade_request_timeout"</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">desc</span> <span class="o">=</span> <span class="s2">"times out trade requests"</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">interval</span> <span class="o">=</span> <span class="n">TRADE_TIMEOUT</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">start_delay</span> <span class="o">=</span> <span class="kc">True</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">repeats</span> <span class="o">=</span> <span class="mi">1</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">persistent</span> <span class="o">=</span> <span class="kc">False</span></div>
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<div class="viewcode-block" id="TradeTimeout.at_repeat"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeTimeout.at_repeat">[docs]</a> <span class="k">def</span> <span class="nf">at_repeat</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> called once</span>
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<span class="sd"> """</span>
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<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradeevent</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">obj</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradeevent</span><span class="o">.</span><span class="n">finish</span><span class="p">(</span><span class="n">force</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">obj</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"Trade request timed out."</span><span class="p">)</span></div>
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<div class="viewcode-block" id="TradeTimeout.is_valid"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeTimeout.is_valid">[docs]</a> <span class="k">def</span> <span class="nf">is_valid</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> Only valid if the trade has not yet started</span>
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<span class="sd"> """</span>
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<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">obj</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradeevent</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">obj</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradeevent</span><span class="o">.</span><span class="n">trade_started</span></div></div>
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<div class="viewcode-block" id="TradeHandler"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler">[docs]</a><span class="k">class</span> <span class="nc">TradeHandler</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> Objects of this class handles the ongoing trade, notably storing the current</span>
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<span class="sd"> offers from each side and wether both have accepted or not.</span>
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<span class="sd"> """</span>
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<div class="viewcode-block" id="TradeHandler.__init__"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler.__init__">[docs]</a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">part_a</span><span class="p">,</span> <span class="n">part_b</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> Initializes the trade. This is called when part A tries to</span>
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<span class="sd"> initiate a trade with part B. The trade will not start until</span>
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<span class="sd"> part B repeats this command (B will then call the self.join()</span>
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<span class="sd"> command)</span>
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<span class="sd"> Args:</span>
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<span class="sd"> part_a (object): The party trying to start barter.</span>
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<span class="sd"> part_b (object): The party asked to barter.</span>
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<span class="sd"> Notes:</span>
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<span class="sd"> We also store the back-reference from the respective party</span>
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<span class="sd"> to this object.</span>
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<span class="sd"> """</span>
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<span class="c1"># parties</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">part_a</span> <span class="o">=</span> <span class="n">part_a</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">part_b</span> <span class="o">=</span> <span class="n">part_b</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="o">.</span><span class="n">cmdset</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">CmdsetTrade</span><span class="p">())</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">trade_started</span> <span class="o">=</span> <span class="kc">False</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span> <span class="o">=</span> <span class="bp">self</span>
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<span class="c1"># trade variables</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">part_a_offers</span> <span class="o">=</span> <span class="p">[]</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">part_b_offers</span> <span class="o">=</span> <span class="p">[]</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">part_a_accepted</span> <span class="o">=</span> <span class="kc">False</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">part_b_accepted</span> <span class="o">=</span> <span class="kc">False</span></div>
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<div class="viewcode-block" id="TradeHandler.msg_other"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler.msg_other">[docs]</a> <span class="k">def</span> <span class="nf">msg_other</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sender</span><span class="p">,</span> <span class="n">string</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> Relay a message to the *other* party without needing to know</span>
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<span class="sd"> which party that is. This allows the calling command to not</span>
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<span class="sd"> have to worry about which party they are in the handler.</span>
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<span class="sd"> Args:</span>
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<span class="sd"> sender (object): One of A or B. The method will figure</span>
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<span class="sd"> out the *other* party to send to.</span>
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<span class="sd"> string (str): Text to send.</span>
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<span class="sd"> """</span>
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<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a</span> <span class="o">==</span> <span class="n">sender</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">part_b</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">string</span><span class="p">)</span>
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<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b</span> <span class="o">==</span> <span class="n">sender</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">string</span><span class="p">)</span>
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<span class="k">else</span><span class="p">:</span>
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<span class="c1"># no match, relay to oneself</span>
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<span class="n">sender</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">string</span><span class="p">)</span> <span class="k">if</span> <span class="n">sender</span> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">string</span><span class="p">)</span></div>
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<div class="viewcode-block" id="TradeHandler.get_other"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler.get_other">[docs]</a> <span class="k">def</span> <span class="nf">get_other</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">party</span><span class="p">):</span>
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<span class="sd">"""</span>
|
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<span class="sd"> Returns the other party of the trade</span>
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<span class="sd"> Args:</span>
|
|
<span class="sd"> party (object): One of the parties of the negotiation</span>
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|
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<span class="sd"> Returns:</span>
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|
<span class="sd"> party_other (object): The other party, not the first party.</span>
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<span class="sd"> """</span>
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<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a</span> <span class="o">==</span> <span class="n">party</span><span class="p">:</span>
|
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<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b</span> <span class="o">==</span> <span class="n">party</span><span class="p">:</span>
|
|
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a</span>
|
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<span class="k">return</span> <span class="kc">None</span></div>
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<div class="viewcode-block" id="TradeHandler.join"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler.join">[docs]</a> <span class="k">def</span> <span class="nf">join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">part_b</span><span class="p">):</span>
|
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<span class="sd">"""</span>
|
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<span class="sd"> This is used once B decides to join the trade</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> part_b (object): The party accepting the barter.</span>
|
|
|
|
<span class="sd"> """</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b</span> <span class="o">==</span> <span class="n">part_b</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_b</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span> <span class="o">=</span> <span class="bp">self</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_b</span><span class="o">.</span><span class="n">cmdset</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">CmdsetTrade</span><span class="p">())</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">trade_started</span> <span class="o">=</span> <span class="kc">True</span>
|
|
<span class="k">return</span> <span class="kc">True</span>
|
|
<span class="k">return</span> <span class="kc">False</span></div>
|
|
|
|
<div class="viewcode-block" id="TradeHandler.unjoin"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler.unjoin">[docs]</a> <span class="k">def</span> <span class="nf">unjoin</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">part_b</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> This is used if B decides not to join the trade.</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> part_b (object): The party leaving the barter.</span>
|
|
|
|
<span class="sd"> """</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b</span> <span class="o">==</span> <span class="n">part_b</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">finish</span><span class="p">(</span><span class="n">force</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="k">return</span> <span class="kc">True</span>
|
|
<span class="k">return</span> <span class="kc">False</span></div>
|
|
|
|
<div class="viewcode-block" id="TradeHandler.offer"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler.offer">[docs]</a> <span class="k">def</span> <span class="nf">offer</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">party</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> Change the current standing offer. We leave it up to the</span>
|
|
<span class="sd"> command to do the actual checks that the offer consists</span>
|
|
<span class="sd"> of real, valid, objects.</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> party (object): Who is making the offer</span>
|
|
<span class="sd"> args (objects or str): Offerings.</span>
|
|
|
|
<span class="sd"> """</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">trade_started</span><span class="p">:</span>
|
|
<span class="c1"># reset accept statements whenever an offer changes</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_a_accepted</span> <span class="o">=</span> <span class="kc">False</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_b_accepted</span> <span class="o">=</span> <span class="kc">False</span>
|
|
<span class="k">if</span> <span class="n">party</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_a_offers</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
|
|
<span class="k">elif</span> <span class="n">party</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_b_offers</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="k">raise</span> <span class="ne">ValueError</span></div>
|
|
|
|
<div class="viewcode-block" id="TradeHandler.list"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler.list">[docs]</a> <span class="k">def</span> <span class="nf">list</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> List current offers.</span>
|
|
|
|
<span class="sd"> Returns:</span>
|
|
<span class="sd"> offers (tuple): A tuple with two lists, (A_offers, B_offers).</span>
|
|
|
|
<span class="sd"> """</span>
|
|
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a_offers</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b_offers</span></div>
|
|
|
|
<div class="viewcode-block" id="TradeHandler.search"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler.search">[docs]</a> <span class="k">def</span> <span class="nf">search</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">offername</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> Search current offers.</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> offername (str or int): Object to search for, or its index in</span>
|
|
<span class="sd"> the list of offered items.</span>
|
|
|
|
<span class="sd"> Returns:</span>
|
|
<span class="sd"> offer (object): An object on offer, based on the search criterion.</span>
|
|
|
|
<span class="sd"> """</span>
|
|
<span class="n">all_offers</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a_offers</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b_offers</span>
|
|
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">offername</span><span class="p">,</span> <span class="nb">int</span><span class="p">):</span>
|
|
<span class="c1"># an index to return</span>
|
|
<span class="k">if</span> <span class="mi">0</span> <span class="o"><=</span> <span class="n">offername</span> <span class="o"><</span> <span class="nb">len</span><span class="p">(</span><span class="n">all_offers</span><span class="p">):</span>
|
|
<span class="k">return</span> <span class="n">all_offers</span><span class="p">[</span><span class="n">offername</span><span class="p">]</span>
|
|
|
|
<span class="n">all_keys</span> <span class="o">=</span> <span class="p">[</span><span class="n">offer</span><span class="o">.</span><span class="n">key</span> <span class="k">for</span> <span class="n">offer</span> <span class="ow">in</span> <span class="n">all_offers</span><span class="p">]</span>
|
|
<span class="k">try</span><span class="p">:</span>
|
|
<span class="n">imatch</span> <span class="o">=</span> <span class="n">all_keys</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">offername</span><span class="p">)</span>
|
|
<span class="k">return</span> <span class="n">all_offers</span><span class="p">[</span><span class="n">imatch</span><span class="p">]</span>
|
|
<span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span>
|
|
<span class="k">for</span> <span class="n">offer</span> <span class="ow">in</span> <span class="n">all_offers</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="n">offer</span><span class="o">.</span><span class="n">aliases</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">offername</span><span class="p">):</span>
|
|
<span class="k">return</span> <span class="n">offer</span>
|
|
<span class="k">return</span> <span class="kc">None</span></div>
|
|
|
|
<div class="viewcode-block" id="TradeHandler.accept"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler.accept">[docs]</a> <span class="k">def</span> <span class="nf">accept</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">party</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> Accept the current offer.</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> party (object): The party accepting the deal.</span>
|
|
|
|
<span class="sd"> Returns:</span>
|
|
<span class="sd"> result (object): `True` if this closes the deal, `False`</span>
|
|
<span class="sd"> otherwise</span>
|
|
|
|
<span class="sd"> Notes:</span>
|
|
<span class="sd"> This will only close the deal if both parties have</span>
|
|
<span class="sd"> accepted independently. This is done by calling the</span>
|
|
<span class="sd"> `finish()` method.</span>
|
|
|
|
<span class="sd"> """</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">trade_started</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="n">party</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_a_accepted</span> <span class="o">=</span> <span class="kc">True</span>
|
|
<span class="k">elif</span> <span class="n">party</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_b_accepted</span> <span class="o">=</span> <span class="kc">True</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="k">raise</span> <span class="ne">ValueError</span>
|
|
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">finish</span><span class="p">()</span> <span class="c1"># try to close the deal</span>
|
|
<span class="k">return</span> <span class="kc">False</span></div>
|
|
|
|
<div class="viewcode-block" id="TradeHandler.decline"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler.decline">[docs]</a> <span class="k">def</span> <span class="nf">decline</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">party</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> Decline the offer (or change one's mind).</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> party (object): Party declining the deal.</span>
|
|
|
|
<span class="sd"> Returns:</span>
|
|
<span class="sd"> did_decline (bool): `True` if there was really an</span>
|
|
<span class="sd"> `accepted` status to change, `False` otherwise.</span>
|
|
|
|
<span class="sd"> Notes:</span>
|
|
<span class="sd"> If previously having used the `accept` command, this</span>
|
|
<span class="sd"> function will only work as long as the other party has not</span>
|
|
<span class="sd"> yet accepted.</span>
|
|
|
|
<span class="sd"> """</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">trade_started</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="n">party</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a_accepted</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_a_accepted</span> <span class="o">=</span> <span class="kc">False</span>
|
|
<span class="k">return</span> <span class="kc">True</span>
|
|
<span class="k">return</span> <span class="kc">False</span>
|
|
<span class="k">elif</span> <span class="n">party</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b_accepted</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_b_accepted</span> <span class="o">=</span> <span class="kc">False</span>
|
|
<span class="k">return</span> <span class="kc">True</span>
|
|
<span class="k">return</span> <span class="kc">False</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="k">raise</span> <span class="ne">ValueError</span>
|
|
<span class="k">return</span> <span class="kc">False</span></div>
|
|
|
|
<div class="viewcode-block" id="TradeHandler.finish"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.TradeHandler.finish">[docs]</a> <span class="k">def</span> <span class="nf">finish</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">force</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> Conclude trade - move all offers and clean up</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> force (bool, optional): Force cleanup regardless of if the</span>
|
|
<span class="sd"> trade was accepted or not (if not, no goods will change</span>
|
|
<span class="sd"> hands but trading will stop anyway)</span>
|
|
<span class="sd"> Returns:</span>
|
|
<span class="sd"> result (bool): If the finish was successful.</span>
|
|
|
|
<span class="sd"> """</span>
|
|
<span class="n">fin</span> <span class="o">=</span> <span class="kc">False</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">trade_started</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a_accepted</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b_accepted</span><span class="p">:</span>
|
|
<span class="c1"># both accepted - move objects before cleanup</span>
|
|
<span class="k">for</span> <span class="n">obj</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a_offers</span><span class="p">:</span>
|
|
<span class="n">obj</span><span class="o">.</span><span class="n">location</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b</span>
|
|
<span class="k">for</span> <span class="n">obj</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b_offers</span><span class="p">:</span>
|
|
<span class="n">obj</span><span class="o">.</span><span class="n">location</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a</span>
|
|
<span class="n">fin</span> <span class="o">=</span> <span class="kc">True</span>
|
|
<span class="k">if</span> <span class="n">fin</span> <span class="ow">or</span> <span class="n">force</span><span class="p">:</span>
|
|
<span class="c1"># cleanup</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="o">.</span><span class="n">cmdset</span><span class="o">.</span><span class="n">delete</span><span class="p">(</span><span class="s2">"cmdset_trade"</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_b</span><span class="o">.</span><span class="n">cmdset</span><span class="o">.</span><span class="n">delete</span><span class="p">(</span><span class="s2">"cmdset_trade"</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_a_offers</span> <span class="o">=</span> <span class="kc">None</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_b_offers</span> <span class="o">=</span> <span class="kc">None</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="o">.</span><span class="n">scripts</span><span class="o">.</span><span class="n">stop</span><span class="p">(</span><span class="s2">"trade_request_timeout"</span><span class="p">)</span>
|
|
<span class="c1"># this will kill it also from B</span>
|
|
<span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span><span class="p">:</span>
|
|
<span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">part_b</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span>
|
|
<span class="k">return</span> <span class="kc">True</span>
|
|
<span class="k">return</span> <span class="kc">False</span></div></div>
|
|
|
|
|
|
<span class="c1"># trading commands (will go into CmdsetTrade, initialized by the</span>
|
|
<span class="c1"># CmdTrade command further down).</span>
|
|
|
|
|
|
<div class="viewcode-block" id="CmdTradeBase"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdTradeBase">[docs]</a><span class="k">class</span> <span class="nc">CmdTradeBase</span><span class="p">(</span><span class="n">Command</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> Base command for Trade commands to inherit from. Implements the</span>
|
|
<span class="sd"> custom parsing.</span>
|
|
<span class="sd"> """</span>
|
|
|
|
<div class="viewcode-block" id="CmdTradeBase.parse"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdTradeBase.parse">[docs]</a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> Parse the relevant parts and make it easily</span>
|
|
<span class="sd"> available to the command</span>
|
|
<span class="sd"> """</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">args</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_a</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">part_a</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_b</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">part_b</span>
|
|
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">other</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">get_other</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">msg_other</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">msg_other</span>
|
|
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">trade_started</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">trade_started</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">emote</span> <span class="o">=</span> <span class="s2">""</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">str_caller</span> <span class="o">=</span> <span class="s2">"Your trade action: </span><span class="si">%s</span><span class="s2">"</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">str_other</span> <span class="o">=</span> <span class="s2">"</span><span class="si">%s</span><span class="s2">:s trade action: "</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">key</span> <span class="o">+</span> <span class="s2">"</span><span class="si">%s</span><span class="s2">"</span>
|
|
<span class="k">if</span> <span class="s2">":"</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">emote</span> <span class="o">=</span> <span class="p">[</span><span class="n">part</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">part</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">rsplit</span><span class="p">(</span><span class="s2">":"</span><span class="p">,</span> <span class="mi">1</span><span class="p">)]</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">str_caller</span> <span class="o">=</span> <span class="s1">'You say, "'</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">emote</span> <span class="o">+</span> <span class="s1">'"</span><span class="se">\n</span><span class="s1"> [</span><span class="si">%s</span><span class="s1">]'</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">has_account</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">str_other</span> <span class="o">=</span> <span class="s1">'|c</span><span class="si">%s</span><span class="s1">|n says, "'</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">key</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">emote</span> <span class="o">+</span> <span class="s1">'"</span><span class="se">\n</span><span class="s1"> [</span><span class="si">%s</span><span class="s1">]'</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">str_other</span> <span class="o">=</span> <span class="s1">'</span><span class="si">%s</span><span class="s1"> says, "'</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">key</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">emote</span> <span class="o">+</span> <span class="s1">'"</span><span class="se">\n</span><span class="s1"> [</span><span class="si">%s</span><span class="s1">]'</span></div></div>
|
|
|
|
|
|
<span class="c1"># trade help</span>
|
|
|
|
|
|
<div class="viewcode-block" id="CmdTradeHelp"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdTradeHelp">[docs]</a><span class="k">class</span> <span class="nc">CmdTradeHelp</span><span class="p">(</span><span class="n">CmdTradeBase</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> help command for the trade system.</span>
|
|
|
|
<span class="sd"> Usage:</span>
|
|
<span class="sd"> trade help</span>
|
|
|
|
<span class="sd"> Displays help for the trade commands.</span>
|
|
<span class="sd"> """</span>
|
|
|
|
<span class="n">key</span> <span class="o">=</span> <span class="s2">"trade help"</span>
|
|
<span class="n">locks</span> <span class="o">=</span> <span class="s2">"cmd:all()"</span>
|
|
<span class="n">help_category</span> <span class="o">=</span> <span class="s2">"Trade"</span>
|
|
|
|
<div class="viewcode-block" id="CmdTradeHelp.func"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdTradeHelp.func">[docs]</a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""Show the help"""</span>
|
|
<span class="n">string</span> <span class="o">=</span> <span class="s2">"""</span>
|
|
<span class="s2"> Trading commands</span>
|
|
|
|
<span class="s2"> |woffer <objects> [:emote]|n</span>
|
|
<span class="s2"> offer one or more objects for trade. The emote can be used for</span>
|
|
<span class="s2"> RP/arguments. A new offer will require both parties to re-accept</span>
|
|
<span class="s2"> it again.</span>
|
|
<span class="s2"> |waccept [:emote]|n</span>
|
|
<span class="s2"> accept the currently standing offer from both sides. Also 'agree'</span>
|
|
<span class="s2"> works. Once both have accepted, the deal is finished and goods</span>
|
|
<span class="s2"> will change hands.</span>
|
|
<span class="s2"> |wdecline [:emote]|n</span>
|
|
<span class="s2"> change your mind and remove a previous accept (until other</span>
|
|
<span class="s2"> has also accepted)</span>
|
|
<span class="s2"> |wstatus|n</span>
|
|
<span class="s2"> show the current offers on each side of the deal. Also 'offers'</span>
|
|
<span class="s2"> and 'deal' works.</span>
|
|
<span class="s2"> |wevaluate <nr> or <offer>|n</span>
|
|
<span class="s2"> examine any offer in the deal. List them with the 'status' command.</span>
|
|
<span class="s2"> |wend trade|n</span>
|
|
<span class="s2"> end the negotiations prematurely. No trade will take place.</span>
|
|
|
|
<span class="s2"> You can also use |wemote|n, |wsay|n etc to discuss</span>
|
|
<span class="s2"> without making a decision or offer.</span>
|
|
<span class="s2"> """</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">string</span><span class="p">)</span></div></div>
|
|
|
|
|
|
<span class="c1"># offer</span>
|
|
|
|
|
|
<div class="viewcode-block" id="CmdOffer"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdOffer">[docs]</a><span class="k">class</span> <span class="nc">CmdOffer</span><span class="p">(</span><span class="n">CmdTradeBase</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> offer one or more items in trade.</span>
|
|
|
|
<span class="sd"> Usage:</span>
|
|
<span class="sd"> offer <object> [, object2, ...][:emote]</span>
|
|
|
|
<span class="sd"> Offer objects in trade. This will replace the currently</span>
|
|
<span class="sd"> standing offer.</span>
|
|
<span class="sd"> """</span>
|
|
|
|
<span class="n">key</span> <span class="o">=</span> <span class="s2">"offer"</span>
|
|
<span class="n">locks</span> <span class="o">=</span> <span class="s2">"cmd:all()"</span>
|
|
<span class="n">help_category</span> <span class="o">=</span> <span class="s2">"Trading"</span>
|
|
|
|
<div class="viewcode-block" id="CmdOffer.func"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdOffer.func">[docs]</a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""implement the offer"""</span>
|
|
|
|
<span class="n">caller</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">:</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"Usage: offer <object> [, object2, ...] [:emote]"</span><span class="p">)</span>
|
|
<span class="k">return</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">trade_started</span><span class="p">:</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"Wait until the other party has accepted to trade with you."</span><span class="p">)</span>
|
|
<span class="k">return</span>
|
|
|
|
<span class="c1"># gather all offers</span>
|
|
<span class="n">offers</span> <span class="o">=</span> <span class="p">[</span><span class="n">part</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">part</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">","</span><span class="p">)]</span>
|
|
<span class="n">offerobjs</span> <span class="o">=</span> <span class="p">[]</span>
|
|
<span class="k">for</span> <span class="n">offername</span> <span class="ow">in</span> <span class="n">offers</span><span class="p">:</span>
|
|
<span class="n">obj</span> <span class="o">=</span> <span class="n">caller</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">offername</span><span class="p">)</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="n">obj</span><span class="p">:</span>
|
|
<span class="k">return</span>
|
|
<span class="n">offerobjs</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">obj</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">offer</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="p">,</span> <span class="o">*</span><span class="n">offerobjs</span><span class="p">)</span>
|
|
|
|
<span class="c1"># output</span>
|
|
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">offerobjs</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span>
|
|
<span class="n">objnames</span> <span class="o">=</span> <span class="p">(</span>
|
|
<span class="s2">", "</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="s2">"|w</span><span class="si">%s</span><span class="s2">|n"</span> <span class="o">%</span> <span class="n">obj</span><span class="o">.</span><span class="n">key</span> <span class="k">for</span> <span class="n">obj</span> <span class="ow">in</span> <span class="n">offerobjs</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">])</span>
|
|
<span class="o">+</span> <span class="s2">" and |w</span><span class="si">%s</span><span class="s2">|n"</span> <span class="o">%</span> <span class="n">offerobjs</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">key</span>
|
|
<span class="p">)</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="n">objnames</span> <span class="o">=</span> <span class="s2">"|w</span><span class="si">%s</span><span class="s2">|n"</span> <span class="o">%</span> <span class="n">offerobjs</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">key</span>
|
|
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">str_caller</span> <span class="o">%</span> <span class="p">(</span><span class="s2">"You offer </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="n">objnames</span><span class="p">))</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">msg_other</span><span class="p">(</span><span class="n">caller</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">str_other</span> <span class="o">%</span> <span class="p">(</span><span class="s2">"They offer </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="n">objnames</span><span class="p">))</span></div></div>
|
|
|
|
|
|
<span class="c1"># accept</span>
|
|
|
|
|
|
<div class="viewcode-block" id="CmdAccept"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdAccept">[docs]</a><span class="k">class</span> <span class="nc">CmdAccept</span><span class="p">(</span><span class="n">CmdTradeBase</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> accept the standing offer</span>
|
|
|
|
<span class="sd"> Usage:</span>
|
|
<span class="sd"> accept [:emote]</span>
|
|
<span class="sd"> agreee [:emote]</span>
|
|
|
|
<span class="sd"> This will accept the current offer. The other party must also accept</span>
|
|
<span class="sd"> for the deal to go through. You can use the 'decline' command to change</span>
|
|
<span class="sd"> your mind as long as the other party has not yet accepted. You can inspect</span>
|
|
<span class="sd"> the current offer using the 'offers' command.</span>
|
|
<span class="sd"> """</span>
|
|
|
|
<span class="n">key</span> <span class="o">=</span> <span class="s2">"accept"</span>
|
|
<span class="n">aliases</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"agree"</span><span class="p">]</span>
|
|
<span class="n">locks</span> <span class="o">=</span> <span class="s2">"cmd:all()"</span>
|
|
<span class="n">help_category</span> <span class="o">=</span> <span class="s2">"Trading"</span>
|
|
|
|
<div class="viewcode-block" id="CmdAccept.func"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdAccept.func">[docs]</a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""accept the offer"""</span>
|
|
<span class="n">caller</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">trade_started</span><span class="p">:</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"Wait until the other party has accepted to trade with you."</span><span class="p">)</span>
|
|
<span class="k">return</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">accept</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="p">):</span>
|
|
<span class="c1"># deal finished. Trade ended and cleaned.</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">str_caller</span>
|
|
<span class="o">%</span> <span class="s2">"You |gaccept|n the deal. |gDeal is made and goods changed hands.|n"</span>
|
|
<span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">msg_other</span><span class="p">(</span>
|
|
<span class="n">caller</span><span class="p">,</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">str_other</span> <span class="o">%</span> <span class="s2">"</span><span class="si">%s</span><span class="s2"> |gaccepts|n the deal."</span>
|
|
<span class="s2">" |gDeal is made and goods changed hands.|n"</span> <span class="o">%</span> <span class="n">caller</span><span class="o">.</span><span class="n">key</span><span class="p">,</span>
|
|
<span class="p">)</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="c1"># a one-sided accept.</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">str_caller</span>
|
|
<span class="o">%</span> <span class="s2">"You |Gaccept|n the offer. </span><span class="si">%s</span><span class="s2"> must now also accept."</span>
|
|
<span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">other</span><span class="o">.</span><span class="n">key</span>
|
|
<span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">msg_other</span><span class="p">(</span>
|
|
<span class="n">caller</span><span class="p">,</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">str_other</span> <span class="o">%</span> <span class="s2">"</span><span class="si">%s</span><span class="s2"> |Gaccepts|n the offer. You must now also accept."</span> <span class="o">%</span> <span class="n">caller</span><span class="o">.</span><span class="n">key</span><span class="p">,</span>
|
|
<span class="p">)</span></div></div>
|
|
|
|
|
|
<span class="c1"># decline</span>
|
|
|
|
|
|
<div class="viewcode-block" id="CmdDecline"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdDecline">[docs]</a><span class="k">class</span> <span class="nc">CmdDecline</span><span class="p">(</span><span class="n">CmdTradeBase</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> decline the standing offer</span>
|
|
|
|
<span class="sd"> Usage:</span>
|
|
<span class="sd"> decline [:emote]</span>
|
|
|
|
<span class="sd"> This will decline a previously 'accept'ed offer (so this allows you to</span>
|
|
<span class="sd"> change your mind). You can only use this as long as the other party</span>
|
|
<span class="sd"> has not yet accepted the deal. Also, changing the offer will automatically</span>
|
|
<span class="sd"> decline the old offer.</span>
|
|
<span class="sd"> """</span>
|
|
|
|
<span class="n">key</span> <span class="o">=</span> <span class="s2">"decline"</span>
|
|
<span class="n">locks</span> <span class="o">=</span> <span class="s2">"cmd:all()"</span>
|
|
<span class="n">help_category</span> <span class="o">=</span> <span class="s2">"Trading"</span>
|
|
|
|
<div class="viewcode-block" id="CmdDecline.func"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdDecline.func">[docs]</a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""decline the offer"""</span>
|
|
<span class="n">caller</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">trade_started</span><span class="p">:</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"Wait until the other party has accepted to trade with you."</span><span class="p">)</span>
|
|
<span class="k">return</span>
|
|
<span class="n">offer_a</span><span class="p">,</span> <span class="n">offer_b</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">list</span><span class="p">()</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="n">offer_a</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">offer_b</span><span class="p">:</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"No offers have been made yet, so there is nothing to decline."</span><span class="p">)</span>
|
|
<span class="k">return</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">decline</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="p">):</span>
|
|
<span class="c1"># changed a previous accept</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">str_caller</span> <span class="o">%</span> <span class="s2">"You change your mind, |Rdeclining|n the current offer."</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">msg_other</span><span class="p">(</span>
|
|
<span class="n">caller</span><span class="p">,</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">str_other</span>
|
|
<span class="o">%</span> <span class="s2">"</span><span class="si">%s</span><span class="s2"> changes their mind, |Rdeclining|n the current offer."</span>
|
|
<span class="o">%</span> <span class="n">caller</span><span class="o">.</span><span class="n">key</span><span class="p">,</span>
|
|
<span class="p">)</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="c1"># no acceptance to change</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">str_caller</span> <span class="o">%</span> <span class="s2">"You |Rdecline|n the current offer."</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">msg_other</span><span class="p">(</span><span class="n">caller</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">str_other</span> <span class="o">%</span> <span class="s2">"</span><span class="si">%s</span><span class="s2"> declines the current offer."</span> <span class="o">%</span> <span class="n">caller</span><span class="o">.</span><span class="n">key</span><span class="p">)</span></div></div>
|
|
|
|
|
|
<span class="c1"># evaluate</span>
|
|
|
|
<span class="c1"># Note: This version only shows the description. If your particular game</span>
|
|
<span class="c1"># lists other important properties of objects (such as weapon damage, weight,</span>
|
|
<span class="c1"># magical properties, ammo requirements or whatnot), then you need to add this</span>
|
|
<span class="c1"># here.</span>
|
|
|
|
|
|
<div class="viewcode-block" id="CmdEvaluate"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdEvaluate">[docs]</a><span class="k">class</span> <span class="nc">CmdEvaluate</span><span class="p">(</span><span class="n">CmdTradeBase</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> evaluate objects on offer</span>
|
|
|
|
<span class="sd"> Usage:</span>
|
|
<span class="sd"> evaluate <offered object></span>
|
|
|
|
<span class="sd"> This allows you to examine any object currently on offer, to</span>
|
|
<span class="sd"> determine if it's worth your while.</span>
|
|
<span class="sd"> """</span>
|
|
|
|
<span class="n">key</span> <span class="o">=</span> <span class="s2">"evaluate"</span>
|
|
<span class="n">aliases</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"eval"</span><span class="p">]</span>
|
|
<span class="n">locks</span> <span class="o">=</span> <span class="s2">"cmd:all()"</span>
|
|
<span class="n">help_category</span> <span class="o">=</span> <span class="s2">"Trading"</span>
|
|
|
|
<div class="viewcode-block" id="CmdEvaluate.func"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdEvaluate.func">[docs]</a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""evaluate an object"""</span>
|
|
<span class="n">caller</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">:</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"Usage: evaluate <offered object>"</span><span class="p">)</span>
|
|
<span class="k">return</span>
|
|
<span class="c1"># we also accept indices</span>
|
|
<span class="k">try</span><span class="p">:</span>
|
|
<span class="n">ind</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">args</span> <span class="o">=</span> <span class="n">ind</span> <span class="o">-</span> <span class="mi">1</span>
|
|
<span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span>
|
|
<span class="c1"># not a valid index - ignore</span>
|
|
<span class="k">pass</span>
|
|
|
|
<span class="n">offer</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">)</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="n">offer</span><span class="p">:</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"No offer matching '</span><span class="si">%s</span><span class="s2">' was found."</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">)</span>
|
|
<span class="k">return</span>
|
|
<span class="c1"># show the description</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">offer</span><span class="o">.</span><span class="n">db</span><span class="o">.</span><span class="n">desc</span><span class="p">)</span></div></div>
|
|
|
|
|
|
<span class="c1"># status</span>
|
|
|
|
|
|
<div class="viewcode-block" id="CmdStatus"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdStatus">[docs]</a><span class="k">class</span> <span class="nc">CmdStatus</span><span class="p">(</span><span class="n">CmdTradeBase</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> show a list of the current deal</span>
|
|
|
|
<span class="sd"> Usage:</span>
|
|
<span class="sd"> status</span>
|
|
<span class="sd"> deal</span>
|
|
<span class="sd"> offers</span>
|
|
|
|
<span class="sd"> Shows the currently suggested offers on each sides of the deal. To</span>
|
|
<span class="sd"> accept the current deal, use the 'accept' command. Use 'offer' to</span>
|
|
<span class="sd"> change your deal. You might also want to use 'say', 'emote' etc to</span>
|
|
<span class="sd"> try to influence the other part in the deal.</span>
|
|
<span class="sd"> """</span>
|
|
|
|
<span class="n">key</span> <span class="o">=</span> <span class="s2">"status"</span>
|
|
<span class="n">aliases</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"offers"</span><span class="p">,</span> <span class="s2">"deal"</span><span class="p">]</span>
|
|
<span class="n">locks</span> <span class="o">=</span> <span class="s2">"cmd:all()"</span>
|
|
<span class="n">help_category</span> <span class="o">=</span> <span class="s2">"Trading"</span>
|
|
|
|
<div class="viewcode-block" id="CmdStatus.func"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdStatus.func">[docs]</a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""Show the current deal"""</span>
|
|
<span class="n">caller</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span>
|
|
<span class="n">part_a_offers</span><span class="p">,</span> <span class="n">part_b_offers</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">list</span><span class="p">()</span>
|
|
<span class="n">count</span> <span class="o">=</span> <span class="mi">1</span>
|
|
<span class="n">part_a_offerlist</span> <span class="o">=</span> <span class="p">[]</span>
|
|
<span class="k">for</span> <span class="n">offer</span> <span class="ow">in</span> <span class="n">part_a_offers</span><span class="p">:</span>
|
|
<span class="n">part_a_offerlist</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"</span><span class="se">\n</span><span class="s2"> |w</span><span class="si">%i</span><span class="s2">|n </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">count</span><span class="p">,</span> <span class="n">offer</span><span class="o">.</span><span class="n">key</span><span class="p">))</span>
|
|
<span class="n">count</span> <span class="o">+=</span> <span class="mi">1</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="n">part_a_offerlist</span><span class="p">:</span>
|
|
<span class="n">part_a_offerlist</span> <span class="o">=</span> <span class="s2">"</span><span class="se">\n</span><span class="s2"> <nothing>"</span>
|
|
<span class="n">part_b_offerlist</span> <span class="o">=</span> <span class="p">[]</span>
|
|
<span class="k">for</span> <span class="n">offer</span> <span class="ow">in</span> <span class="n">part_b_offers</span><span class="p">:</span>
|
|
<span class="n">part_b_offerlist</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"</span><span class="se">\n</span><span class="s2"> |w</span><span class="si">%i</span><span class="s2">|n </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">count</span><span class="p">,</span> <span class="n">offer</span><span class="o">.</span><span class="n">key</span><span class="p">))</span>
|
|
<span class="n">count</span> <span class="o">+=</span> <span class="mi">1</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="n">part_b_offerlist</span><span class="p">:</span>
|
|
<span class="n">part_b_offerlist</span> <span class="o">=</span> <span class="s2">"</span><span class="se">\n</span><span class="s2"> <nothing>"</span>
|
|
|
|
<span class="n">string</span> <span class="o">=</span> <span class="s2">"|gOffered by </span><span class="si">%s</span><span class="s2">:|n</span><span class="si">%s</span><span class="se">\n</span><span class="s2">|yOffered by </span><span class="si">%s</span><span class="s2">:|n</span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="o">.</span><span class="n">key</span><span class="p">,</span>
|
|
<span class="s2">""</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">part_a_offerlist</span><span class="p">),</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_b</span><span class="o">.</span><span class="n">key</span><span class="p">,</span>
|
|
<span class="s2">""</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">part_b_offerlist</span><span class="p">),</span>
|
|
<span class="p">)</span>
|
|
<span class="n">accept_a</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">part_a_accepted</span> <span class="ow">and</span> <span class="s2">"|gYes|n"</span> <span class="ow">or</span> <span class="s2">"|rNo|n"</span>
|
|
<span class="n">accept_b</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">part_b_accepted</span> <span class="ow">and</span> <span class="s2">"|gYes|n"</span> <span class="ow">or</span> <span class="s2">"|rNo|n"</span>
|
|
<span class="n">string</span> <span class="o">+=</span> <span class="s2">"</span><span class="se">\n\n</span><span class="si">%s</span><span class="s2"> agreed: </span><span class="si">%s</span><span class="s2">, </span><span class="si">%s</span><span class="s2"> agreed: </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_a</span><span class="o">.</span><span class="n">key</span><span class="p">,</span>
|
|
<span class="n">accept_a</span><span class="p">,</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">part_b</span><span class="o">.</span><span class="n">key</span><span class="p">,</span>
|
|
<span class="n">accept_b</span><span class="p">,</span>
|
|
<span class="p">)</span>
|
|
<span class="n">string</span> <span class="o">+=</span> <span class="s2">"</span><span class="se">\n</span><span class="s2"> Use 'offer', 'eval' and 'accept'/'decline' to trade. See also 'trade help'."</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">string</span><span class="p">)</span></div></div>
|
|
|
|
|
|
<span class="c1"># finish</span>
|
|
|
|
|
|
<div class="viewcode-block" id="CmdFinish"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdFinish">[docs]</a><span class="k">class</span> <span class="nc">CmdFinish</span><span class="p">(</span><span class="n">CmdTradeBase</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> end the trade prematurely</span>
|
|
|
|
<span class="sd"> Usage:</span>
|
|
<span class="sd"> end trade [:say]</span>
|
|
<span class="sd"> finish trade [:say]</span>
|
|
|
|
<span class="sd"> This ends the trade prematurely. No trade will take place.</span>
|
|
|
|
<span class="sd"> """</span>
|
|
|
|
<span class="n">key</span> <span class="o">=</span> <span class="s2">"end trade"</span>
|
|
<span class="n">aliases</span> <span class="o">=</span> <span class="s2">"finish trade"</span>
|
|
<span class="n">locks</span> <span class="o">=</span> <span class="s2">"cmd:all()"</span>
|
|
<span class="n">help_category</span> <span class="o">=</span> <span class="s2">"Trading"</span>
|
|
|
|
<div class="viewcode-block" id="CmdFinish.func"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdFinish.func">[docs]</a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""end trade"""</span>
|
|
<span class="n">caller</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">finish</span><span class="p">(</span><span class="n">force</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">str_caller</span> <span class="o">%</span> <span class="s2">"You |raborted|n trade. No deal was made."</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">msg_other</span><span class="p">(</span>
|
|
<span class="n">caller</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">str_other</span> <span class="o">%</span> <span class="s2">"</span><span class="si">%s</span><span class="s2"> |raborted|n trade. No deal was made."</span> <span class="o">%</span> <span class="n">caller</span><span class="o">.</span><span class="n">key</span>
|
|
<span class="p">)</span></div></div>
|
|
|
|
|
|
<span class="c1"># custom Trading cmdset</span>
|
|
|
|
|
|
<div class="viewcode-block" id="CmdsetTrade"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdsetTrade">[docs]</a><span class="k">class</span> <span class="nc">CmdsetTrade</span><span class="p">(</span><span class="n">CmdSet</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> This cmdset is added when trade is initated. It is handled by the</span>
|
|
<span class="sd"> trade event handler.</span>
|
|
<span class="sd"> """</span>
|
|
|
|
<span class="n">key</span> <span class="o">=</span> <span class="s2">"cmdset_trade"</span>
|
|
|
|
<div class="viewcode-block" id="CmdsetTrade.at_cmdset_creation"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdsetTrade.at_cmdset_creation">[docs]</a> <span class="k">def</span> <span class="nf">at_cmdset_creation</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""Called when cmdset is created"""</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">CmdTradeHelp</span><span class="p">())</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">CmdOffer</span><span class="p">())</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">CmdAccept</span><span class="p">())</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">CmdDecline</span><span class="p">())</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">CmdEvaluate</span><span class="p">())</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">CmdStatus</span><span class="p">())</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">CmdFinish</span><span class="p">())</span></div></div>
|
|
|
|
|
|
<span class="c1"># access command - once both have given this, this will create the</span>
|
|
<span class="c1"># trading cmdset to start trade.</span>
|
|
|
|
|
|
<div class="viewcode-block" id="CmdTrade"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdTrade">[docs]</a><span class="k">class</span> <span class="nc">CmdTrade</span><span class="p">(</span><span class="n">Command</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> Initiate trade with another party</span>
|
|
|
|
<span class="sd"> Usage:</span>
|
|
<span class="sd"> trade <other party> [:say]</span>
|
|
<span class="sd"> trade <other party> accept [:say]</span>
|
|
<span class="sd"> trade <other party> decline [:say]</span>
|
|
|
|
<span class="sd"> Initiate trade with another party. The other party needs to repeat</span>
|
|
<span class="sd"> this command with trade accept/decline within a minute in order to</span>
|
|
<span class="sd"> properly initiate the trade action. You can use the decline option</span>
|
|
<span class="sd"> yourself if you want to retract an already suggested trade. The</span>
|
|
<span class="sd"> optional say part works like the say command and allows you to add</span>
|
|
<span class="sd"> info to your choice.</span>
|
|
<span class="sd"> """</span>
|
|
|
|
<span class="n">key</span> <span class="o">=</span> <span class="s2">"trade"</span>
|
|
<span class="n">aliases</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"barter"</span><span class="p">]</span>
|
|
<span class="n">locks</span> <span class="o">=</span> <span class="s2">"cmd:all()"</span>
|
|
<span class="n">help_category</span> <span class="o">=</span> <span class="s2">"General"</span>
|
|
|
|
<div class="viewcode-block" id="CmdTrade.func"><a class="viewcode-back" href="../../../api/evennia.contrib.barter.html#evennia.contrib.barter.CmdTrade.func">[docs]</a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""Initiate trade"""</span>
|
|
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradeevent</span><span class="o">.</span><span class="n">trade_started</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"You are already in a trade. Use 'end trade' to abort it."</span><span class="p">)</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"Usage: trade <other party> [accept|decline] [:emote]"</span><span class="p">)</span>
|
|
<span class="k">return</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">args</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
|
|
|
|
<span class="c1"># handle the emote manually here</span>
|
|
<span class="n">selfemote</span> <span class="o">=</span> <span class="s2">""</span>
|
|
<span class="n">theiremote</span> <span class="o">=</span> <span class="s2">""</span>
|
|
<span class="k">if</span> <span class="s2">":"</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">,</span> <span class="n">emote</span> <span class="o">=</span> <span class="p">[</span><span class="n">part</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">part</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">rsplit</span><span class="p">(</span><span class="s2">":"</span><span class="p">,</span> <span class="mi">1</span><span class="p">)]</span>
|
|
<span class="n">selfemote</span> <span class="o">=</span> <span class="s1">'You say, "</span><span class="si">%s</span><span class="s1">"</span><span class="se">\n</span><span class="s1"> '</span> <span class="o">%</span> <span class="n">emote</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">has_account</span><span class="p">:</span>
|
|
<span class="n">theiremote</span> <span class="o">=</span> <span class="s1">'|c</span><span class="si">%s</span><span class="s1">|n says, "</span><span class="si">%s</span><span class="s1">"</span><span class="se">\n</span><span class="s1"> '</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">key</span><span class="p">,</span> <span class="n">emote</span><span class="p">)</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="n">theiremote</span> <span class="o">=</span> <span class="s1">'</span><span class="si">%s</span><span class="s1"> says, "</span><span class="si">%s</span><span class="s1">"</span><span class="se">\n</span><span class="s1"> '</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">key</span><span class="p">,</span> <span class="n">emote</span><span class="p">)</span>
|
|
|
|
<span class="c1"># for the sake of this command, the caller is always part_a; this</span>
|
|
<span class="c1"># might not match the actual name in tradehandler (in the case of</span>
|
|
<span class="c1"># using this command to accept/decline a trade invitation).</span>
|
|
<span class="n">part_a</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span>
|
|
<span class="n">accept</span> <span class="o">=</span> <span class="s2">"accept"</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span>
|
|
<span class="n">decline</span> <span class="o">=</span> <span class="s2">"decline"</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span>
|
|
<span class="k">if</span> <span class="n">accept</span><span class="p">:</span>
|
|
<span class="n">part_b</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">rstrip</span><span class="p">(</span><span class="s2">"accept"</span><span class="p">)</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
|
|
<span class="k">elif</span> <span class="n">decline</span><span class="p">:</span>
|
|
<span class="n">part_b</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">rstrip</span><span class="p">(</span><span class="s2">"decline"</span><span class="p">)</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="n">part_b</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span>
|
|
<span class="n">part_b</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">part_b</span><span class="p">)</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="n">part_b</span><span class="p">:</span>
|
|
<span class="k">return</span>
|
|
<span class="k">if</span> <span class="n">part_a</span> <span class="o">==</span> <span class="n">part_b</span><span class="p">:</span>
|
|
<span class="n">part_a</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"You play trader with yourself."</span><span class="p">)</span>
|
|
<span class="k">return</span>
|
|
|
|
<span class="c1"># messages</span>
|
|
<span class="n">str_init_a</span> <span class="o">=</span> <span class="s2">"You ask to trade with </span><span class="si">%s</span><span class="s2">. They need to accept within </span><span class="si">%s</span><span class="s2"> secs."</span>
|
|
<span class="n">str_init_b</span> <span class="o">=</span> <span class="s2">"</span><span class="si">%s</span><span class="s2"> wants to trade with you. Use |wtrade </span><span class="si">%s</span><span class="s2"> accept/decline [:emote]|n to answer (within </span><span class="si">%s</span><span class="s2"> secs)."</span>
|
|
<span class="n">str_noinit_a</span> <span class="o">=</span> <span class="s2">"</span><span class="si">%s</span><span class="s2"> declines the trade"</span>
|
|
<span class="n">str_noinit_b</span> <span class="o">=</span> <span class="s2">"You decline trade with </span><span class="si">%s</span><span class="s2">."</span>
|
|
<span class="n">str_start_a</span> <span class="o">=</span> <span class="s2">"</span><span class="si">%s</span><span class="s2"> starts to trade with you. See |wtrade help|n for aid."</span>
|
|
<span class="n">str_start_b</span> <span class="o">=</span> <span class="s2">"You start to trade with </span><span class="si">%s</span><span class="s2">. See |wtrade help|n for aid."</span>
|
|
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">accept</span> <span class="ow">or</span> <span class="n">decline</span><span class="p">):</span>
|
|
<span class="c1"># initialization of trade</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span><span class="p">:</span>
|
|
<span class="c1"># trying to start trade without stopping a previous one</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">trade_started</span><span class="p">:</span>
|
|
<span class="n">string</span> <span class="o">=</span> <span class="s2">"You are already in trade with </span><span class="si">%s</span><span class="s2">. You need to end trade first."</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="n">string</span> <span class="o">=</span> <span class="s2">"You are already trying to initiate trade with </span><span class="si">%s</span><span class="s2">. You need to decline that trade first."</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">caller</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">string</span> <span class="o">%</span> <span class="n">part_b</span><span class="o">.</span><span class="n">key</span><span class="p">)</span>
|
|
<span class="k">elif</span> <span class="n">part_b</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span> <span class="ow">and</span> <span class="n">part_b</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">part_b</span> <span class="o">==</span> <span class="n">part_a</span><span class="p">:</span>
|
|
<span class="c1"># this is equivalent to part_a accepting a trade from part_b (so roles are reversed)</span>
|
|
<span class="n">part_b</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">part_a</span><span class="p">)</span>
|
|
<span class="n">part_b</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">theiremote</span> <span class="o">+</span> <span class="n">str_start_a</span> <span class="o">%</span> <span class="n">part_a</span><span class="o">.</span><span class="n">key</span><span class="p">)</span>
|
|
<span class="n">part_a</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">selfemote</span> <span class="o">+</span> <span class="n">str_start_b</span> <span class="o">%</span> <span class="n">part_b</span><span class="o">.</span><span class="n">key</span><span class="p">)</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="c1"># initiate a new trade</span>
|
|
<span class="n">TradeHandler</span><span class="p">(</span><span class="n">part_a</span><span class="p">,</span> <span class="n">part_b</span><span class="p">)</span>
|
|
<span class="n">part_a</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">selfemote</span> <span class="o">+</span> <span class="n">str_init_a</span> <span class="o">%</span> <span class="p">(</span><span class="n">part_b</span><span class="o">.</span><span class="n">key</span><span class="p">,</span> <span class="n">TRADE_TIMEOUT</span><span class="p">))</span>
|
|
<span class="n">part_b</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">theiremote</span> <span class="o">+</span> <span class="n">str_init_b</span> <span class="o">%</span> <span class="p">(</span><span class="n">part_a</span><span class="o">.</span><span class="n">key</span><span class="p">,</span> <span class="n">part_a</span><span class="o">.</span><span class="n">key</span><span class="p">,</span> <span class="n">TRADE_TIMEOUT</span><span class="p">))</span>
|
|
<span class="n">part_a</span><span class="o">.</span><span class="n">scripts</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">TradeTimeout</span><span class="p">)</span>
|
|
<span class="k">return</span>
|
|
<span class="k">elif</span> <span class="n">accept</span><span class="p">:</span>
|
|
<span class="c1"># accept a trade proposal from part_b (so roles are reversed)</span>
|
|
<span class="k">if</span> <span class="n">part_a</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span><span class="p">:</span>
|
|
<span class="c1"># already in a trade</span>
|
|
<span class="n">part_a</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span>
|
|
<span class="s2">"You are already in trade with </span><span class="si">%s</span><span class="s2">. You need to end that first."</span> <span class="o">%</span> <span class="n">part_b</span><span class="o">.</span><span class="n">key</span>
|
|
<span class="p">)</span>
|
|
<span class="k">return</span>
|
|
<span class="k">if</span> <span class="n">part_b</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">part_a</span><span class="p">):</span>
|
|
<span class="n">part_b</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">theiremote</span> <span class="o">+</span> <span class="n">str_start_a</span> <span class="o">%</span> <span class="n">part_a</span><span class="o">.</span><span class="n">key</span><span class="p">)</span>
|
|
<span class="n">part_a</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">selfemote</span> <span class="o">+</span> <span class="n">str_start_b</span> <span class="o">%</span> <span class="n">part_b</span><span class="o">.</span><span class="n">key</span><span class="p">)</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="n">part_a</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"No trade proposal to accept."</span><span class="p">)</span>
|
|
<span class="k">return</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="c1"># decline trade proposal from part_b (so roles are reversed)</span>
|
|
<span class="k">if</span> <span class="n">part_a</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span> <span class="ow">and</span> <span class="n">part_a</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">part_b</span> <span class="o">==</span> <span class="n">part_a</span><span class="p">:</span>
|
|
<span class="c1"># stopping an invite</span>
|
|
<span class="n">part_a</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">finish</span><span class="p">(</span><span class="n">force</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="n">part_b</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">theiremote</span> <span class="o">+</span> <span class="s2">"</span><span class="si">%s</span><span class="s2"> aborted trade attempt with you."</span> <span class="o">%</span> <span class="n">part_a</span><span class="p">)</span>
|
|
<span class="n">part_a</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">selfemote</span> <span class="o">+</span> <span class="s2">"You aborted the trade attempt with </span><span class="si">%s</span><span class="s2">."</span> <span class="o">%</span> <span class="n">part_b</span><span class="p">)</span>
|
|
<span class="k">elif</span> <span class="n">part_b</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span> <span class="ow">and</span> <span class="n">part_b</span><span class="o">.</span><span class="n">ndb</span><span class="o">.</span><span class="n">tradehandler</span><span class="o">.</span><span class="n">unjoin</span><span class="p">(</span><span class="n">part_a</span><span class="p">):</span>
|
|
<span class="n">part_b</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">theiremote</span> <span class="o">+</span> <span class="n">str_noinit_a</span> <span class="o">%</span> <span class="n">part_a</span><span class="o">.</span><span class="n">key</span><span class="p">)</span>
|
|
<span class="n">part_a</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="n">selfemote</span> <span class="o">+</span> <span class="n">str_noinit_b</span> <span class="o">%</span> <span class="n">part_b</span><span class="o">.</span><span class="n">key</span><span class="p">)</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="n">part_a</span><span class="o">.</span><span class="n">msg</span><span class="p">(</span><span class="s2">"No trade proposal to decline."</span><span class="p">)</span>
|
|
<span class="k">return</span></div></div>
|
|
</pre></div>
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