hotfix: Added examples, initial python support

examples/bash-spinner.fix

@@ -0,0 +1,8 @@
+hotfix: This hotfix show how to use the bash spinner
+info:   >
+        The spinner shows an, um... spinner, while the command executes.
+author: Noccy <cvagnetoft@gmail.com>
+lang:   bash
+---
+
+find /home >/dev/null & spinner

examples/php-facts.fix

@@ -0,0 +1,10 @@
+hotfix: This hotfix show how to use facts in php
+info:   >
+        This lets you retrieve some additional system information during
+        runtime. Use 'hotfix facts' to see all the known facts.
+author: Noccy <cvagnetoft@gmail.com>
+lang:   php
+---
+
+echo "Architecture: ".fact('system.arch')."\n";
+echo "Distribution: ".fact('lsb.id')."\n";

examples/python-facts.fix

@@ -0,0 +1,10 @@
+hotfix: This hotfix show how to use facts in python
+info:   >
+        This lets you retrieve some additional system information during
+        runtime. Use 'hotfix facts' to see all the known facts.
+author: Noccy <cvagnetoft@gmail.com>
+lang:   python
+---
+
+print "Architecture: " + fact("system.arch")
+print "Distribution: " + fact("lsb.id")

src/Runner/PythonRunner.php

@@ -4,6 +4,7 @@ namespace NoccyLabs\Hotfix\Runner;
 
 use NoccyLabs\Hotfix\System\Facts;
 use NoccyLabs\Hotfix\Hotfix\Hotfix;
+use NoccyLabs\Hotfix\Exception\UnsupportedRunnerException;
 
 /**
  * Run hotfixes written in Python.
@@ -13,13 +14,49 @@ use NoccyLabs\Hotfix\Hotfix\Hotfix;
 class PythonRunner implements RunnerInterface
 {
 
+    const PYTHON_STUB = "/../stubs/python.stub";
+
+    protected $hotfix;
+
+    protected $facts;
+
     public function prepare(Hotfix $hotfix, Facts $facts)
     {
-        throw new NotImplementedException("The Python runner is not implemented");
+        $this->hotfix = $hotfix;
+        $this->facts = $facts;
+
+        $python = trim(exec("which python"));
+        if (!$python) {
+            throw new UnsupportedRunnerException("You need to install python to apply this hotfix");
+        }
     }
 
     public function apply()
     {
+        $head = file(__DIR__.self::PYTHON_STUB, FILE_IGNORE_NEW_LINES);
+        $body = $this->hotfix->getBody();
+        $hash = $this->hotfix->getHash();
+
+        $facts = $this->facts->getFlat();
+        $head[] = "def fact(f):";
+        $head[] = "    facts = {";
+        $tmp = [];
+        foreach ($facts as $key=>$fact) {
+            $tmp[] = sprintf('        "%s": "%s"', $key, $fact);
+        }
+        $head[] = join(",\n", $tmp)."\n";
+        $head[] = "    }";
+        $head[] = "    return facts[f]";
+        
+        $head = join("\n", $head);
+
+        // Create temporary filename based on the hash of the hotfix
+        $tmpfile = sys_get_temp_dir()."/hotfix_".$hash;
+        file_put_contents($tmpfile, $head."\n".$body."\n");
+
+        // Execute the hotfix and clean up
+        passthru("python {$tmpfile}");
+        unlink($tmpfile);
     }
 
 }

src/stubs/python.stub

@@ -0,0 +1,2 @@
+
+