62 lines
1.5 KiB
PHP
62 lines
1.5 KiB
PHP
<?php
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namespace NoccyLabs\Hotfix\Runner;
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use NoccyLabs\Hotfix\System\Facts;
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use NoccyLabs\Hotfix\Hotfix\Hotfix;
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use NoccyLabs\Hotfix\Exception\UnsupportedRunnerException;
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/**
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* Run hotfixes written in Python.
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*
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*
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*/
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class PythonRunner implements RunnerInterface
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{
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const PYTHON_STUB = "/../stubs/python.stub";
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protected $hotfix;
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protected $facts;
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public function prepare(Hotfix $hotfix, Facts $facts)
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{
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$this->hotfix = $hotfix;
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$this->facts = $facts;
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$python = trim(exec("which python"));
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if (!$python) {
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throw new UnsupportedRunnerException("You need to install python to apply this hotfix");
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}
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}
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public function apply()
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{
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$head = file(__DIR__.self::PYTHON_STUB, FILE_IGNORE_NEW_LINES);
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$body = $this->hotfix->getBody();
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$hash = $this->hotfix->getHash();
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$facts = $this->facts->getFlat();
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$head[] = "def fact(f):";
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$head[] = " facts = {";
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$tmp = [];
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foreach ($facts as $key=>$fact) {
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$tmp[] = sprintf(' "%s": "%s"', $key, $fact);
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}
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$head[] = join(",\n", $tmp)."\n";
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$head[] = " }";
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$head[] = " return facts[f]";
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$head = join("\n", $head);
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// Create temporary filename based on the hash of the hotfix
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$tmpfile = sys_get_temp_dir()."/hotfix_".$hash;
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file_put_contents($tmpfile, $head."\n".$body."\n");
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// Execute the hotfix and clean up
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passthru("python {$tmpfile}");
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unlink($tmpfile);
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}
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} |