webless.html

<div class="highlight"><pre><span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">sys</span>
<span class="kn">import</span> <span class="nn">gtk</span>
<span class="c"># https://bugs.launchpad.net/bugs/480398</span>
<span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">threads_init</span><span class="p">()</span>
<span class="kn">import</span> <span class="nn">webkit</span>

<span class="k">class</span> <span class="nc">Webless</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
    <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">url</span><span class="o">=</span><span class="s">&#39;&#39;</span><span class="p">):</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">view</span> <span class="o">=</span> <span class="n">webkit</span><span class="o">.</span><span class="n">WebView</span><span class="p">()</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">url</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">inject_file</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
        <span class="sd">&#39;&#39;&#39;run a script in a file&#39;&#39;&#39;</span>
        <span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isfile</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> <span class="ow">and</span> <span class="n">os</span><span class="o">.</span><span class="n">access</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">os</span><span class="o">.</span><span class="n">R_OK</span><span class="p">):</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">inject_script</span><span class="p">(</span><span class="nb">file</span><span class="p">(</span><span class="n">path</span><span class="p">)</span><span class="o">.</span><span class="n">read</span><span class="p">())</span>
            <span class="k">return</span> <span class="bp">True</span>

        <span class="k">return</span> <span class="bp">False</span>

    <span class="k">def</span> <span class="nf">inject_script</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">script</span><span class="p">):</span>
        <span class="sd">&#39;&#39;&#39;run a script&#39;&#39;&#39;</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">view</span><span class="o">.</span><span class="n">execute_script</span><span class="p">(</span><span class="n">script</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">get_code</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
        <span class="sd">&#39;&#39;&#39;return the text of the widget&#39;&#39;&#39;</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">view</span><span class="o">.</span><span class="n">execute_script</span><span class="p">(</span><span class="s">&#39;oldtitle=document.title;document.title=document.documentElement.innerHTML;&#39;</span><span class="p">)</span>
        <span class="n">html</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">view</span><span class="o">.</span><span class="n">get_main_frame</span><span class="p">()</span><span class="o">.</span><span class="n">get_title</span><span class="p">()</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">view</span><span class="o">.</span><span class="n">execute_script</span><span class="p">(</span><span class="s">&#39;document.title=oldtitle;&#39;</span><span class="p">)</span>
        <span class="k">return</span> <span class="n">html</span>

    <span class="k">def</span> <span class="nf">open</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">url</span><span class="p">):</span>
        <span class="k">if</span> <span class="ow">not</span> <span class="n">url</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s">&#39;http://&#39;</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">url</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s">&#39;https://&#39;</span><span class="p">):</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">url</span> <span class="o">=</span> <span class="s">&#39;http://&#39;</span> <span class="o">+</span> <span class="n">url</span>
        <span class="k">else</span><span class="p">:</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">url</span> <span class="o">=</span> <span class="n">url</span>

        <span class="bp">self</span><span class="o">.</span><span class="n">view</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">url</span><span class="p">)</span>

<span class="k">class</span> <span class="nc">Browserless</span><span class="p">(</span><span class="n">gtk</span><span class="o">.</span><span class="n">Window</span><span class="p">,</span> <span class="n">Webless</span><span class="p">):</span>
    <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">url</span><span class="o">=</span><span class="s">&#39;&#39;</span><span class="p">):</span>
        <span class="n">gtk</span><span class="o">.</span><span class="n">Window</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
        <span class="n">Webless</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">url</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="bp">self</span><span class="o">.</span><span class="n">view</span><span class="p">)</span>

<span class="k">class</span> <span class="nc">Browser</span><span class="p">(</span><span class="n">gtk</span><span class="o">.</span><span class="n">Window</span><span class="p">,</span> <span class="n">Webless</span><span class="p">):</span>
    <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">url</span><span class="o">=</span><span class="s">&#39;&#39;</span><span class="p">):</span>
        <span class="n">gtk</span><span class="o">.</span><span class="n">Window</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
        <span class="n">Webless</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">url</span><span class="p">)</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">set_title</span><span class="p">(</span><span class="s">&#39;Browser&#39;</span><span class="p">)</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">set_default_size</span><span class="p">(</span><span class="mf">640</span><span class="p">,</span> <span class="mf">480</span><span class="p">)</span>

        <span class="n">scroll</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">ScrolledWindow</span><span class="p">()</span>
        <span class="n">scroll</span><span class="o">.</span><span class="n">set_policy</span><span class="p">(</span><span class="n">gtk</span><span class="o">.</span><span class="n">POLICY_AUTOMATIC</span><span class="p">,</span> <span class="n">gtk</span><span class="o">.</span><span class="n">POLICY_AUTOMATIC</span><span class="p">)</span>
        <span class="n">scroll</span><span class="o">.</span><span class="n">set_shadow_type</span><span class="p">(</span><span class="n">gtk</span><span class="o">.</span><span class="n">SHADOW_IN</span><span class="p">)</span>

        <span class="n">scroll</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">view</span><span class="p">)</span>

        <span class="n">vbox</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">VBox</span><span class="p">()</span>
        <span class="n">hbox</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">HBox</span><span class="p">()</span>

        <span class="n">entry</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">Entry</span><span class="p">()</span>
        <span class="n">entry</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="s">&#39;activate&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_on_url_changed</span><span class="p">)</span>

        <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">url</span><span class="p">:</span>
            <span class="n">entry</span><span class="o">.</span><span class="n">set_text</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">url</span><span class="p">)</span>

        <span class="n">code</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">Entry</span><span class="p">()</span>
        <span class="n">code</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="s">&#39;activate&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_on_run_code</span><span class="p">)</span>

        <span class="n">getcode</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">Button</span><span class="p">(</span><span class="s">&quot;html to clipboard&quot;</span><span class="p">)</span>
        <span class="n">getcode</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="s">&#39;clicked&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_on_get_code</span><span class="p">)</span>

        <span class="n">hbox</span><span class="o">.</span><span class="n">pack_start</span><span class="p">(</span><span class="n">code</span><span class="p">,</span> <span class="bp">True</span><span class="p">,</span> <span class="bp">True</span><span class="p">)</span>
        <span class="n">hbox</span><span class="o">.</span><span class="n">pack_start</span><span class="p">(</span><span class="n">getcode</span><span class="p">,</span> <span class="bp">False</span><span class="p">)</span>

        <span class="n">vbox</span><span class="o">.</span><span class="n">pack_start</span><span class="p">(</span><span class="n">entry</span><span class="p">,</span> <span class="bp">False</span><span class="p">)</span>
        <span class="n">vbox</span><span class="o">.</span><span class="n">pack_start</span><span class="p">(</span><span class="n">scroll</span><span class="p">,</span> <span class="bp">True</span><span class="p">,</span> <span class="bp">True</span><span class="p">)</span>
        <span class="n">vbox</span><span class="o">.</span><span class="n">pack_start</span><span class="p">(</span><span class="n">hbox</span><span class="p">,</span> <span class="bp">False</span><span class="p">)</span>
        <span class="n">vbox</span><span class="o">.</span><span class="n">show_all</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">vbox</span><span class="p">)</span>

        <span class="bp">self</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="s">&#39;delete-event&#39;</span><span class="p">,</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">args</span><span class="p">:</span> <span class="n">sys</span><span class="o">.</span><span class="n">exit</span><span class="p">(</span><span class="mf">0</span><span class="p">))</span>

    <span class="k">def</span> <span class="nf">_on_get_code</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">button</span><span class="p">):</span>
        <span class="sd">&#39;&#39;&#39;copy the content of the html window to the clipboard&#39;&#39;&#39;</span>
        <span class="n">code</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_code</span><span class="p">()</span>
        <span class="n">gtk</span><span class="o">.</span><span class="n">clipboard_get</span><span class="p">()</span><span class="o">.</span><span class="n">set_text</span><span class="p">(</span><span class="n">code</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">_on_url_changed</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">entry</span><span class="p">):</span>
        <span class="sd">&#39;&#39;&#39;called when the url changes&#39;&#39;&#39;</span>
        <span class="n">url</span> <span class="o">=</span> <span class="n">entry</span><span class="o">.</span><span class="n">get_text</span><span class="p">()</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">url</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">_on_run_code</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">entry</span><span class="p">):</span>
        <span class="sd">&#39;&#39;&#39;called when the url changes&#39;&#39;&#39;</span>
        <span class="n">code</span> <span class="o">=</span> <span class="n">entry</span><span class="o">.</span><span class="n">get_text</span><span class="p">()</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">inject_script</span><span class="p">(</span><span class="n">code</span><span class="p">)</span>

<span class="k">def</span> <span class="nf">process_events</span><span class="p">():</span>
    <span class="k">while</span> <span class="n">gtk</span><span class="o">.</span><span class="n">events_pending</span><span class="p">():</span>
        <span class="n">gtk</span><span class="o">.</span><span class="n">main_iteration</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>

<span class="k">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">&#39;__main__&#39;</span><span class="p">:</span>
    <span class="n">browser</span> <span class="o">=</span> <span class="n">Browser</span><span class="p">(</span><span class="s">&#39;www.google.com/search?q=emesene&#39;</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">inject_fun</span><span class="p">(</span><span class="n">view</span><span class="p">,</span> <span class="n">frame</span><span class="p">):</span>
        <span class="n">browser</span><span class="o">.</span><span class="n">inject_file</span><span class="p">(</span><span class="s">&#39;js/jquery.js&#39;</span><span class="p">)</span>
        <span class="n">browser</span><span class="o">.</span><span class="n">inject_file</span><span class="p">(</span><span class="s">&#39;js/json2.js&#39;</span><span class="p">)</span>

    <span class="n">browser</span><span class="o">.</span><span class="n">view</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="s">&#39;load-finished&#39;</span><span class="p">,</span> <span class="n">inject_fun</span><span class="p">)</span>

    <span class="n">browser</span><span class="o">.</span><span class="n">show</span><span class="p">()</span>

    <span class="n">gtk</span><span class="o">.</span><span class="n">main</span><span class="p">()</span>
</pre></div>