Use specific python versions

Author: jllopes

build.sbt

@@ -25,21 +25,21 @@ organization := "com.codacy"
 
 val installAll =
   s"""apt-get update &&
-      |apt-get -y install python python3 ca-certificates wget openjdk-8-jre-headless &&
-      |wget "https://bootstrap.pypa.io/get-pip.py" -O /dev/stdout | python &&
-      |wget "https://bootstrap.pypa.io/get-pip.py" -O /dev/stdout | python3 && 
-      |python -m pip install django==1.9.2 pylint-django==0.9.0 flask==0.10.1 pylint-flask==0.1 flask-wtf==0.12 --upgrade --ignore-installed --no-cache-dir &&
-      |python3 -m pip install django==1.9.2 pylint-django==0.9.0 flask==0.10.1 pylint-flask==0.1 flask-wtf==0.12 --upgrade --ignore-installed --no-cache-dir &&
-      |python -m pip install pylint-common==0.2.2 &&
-      |python3 -m pip install pylint-common==0.2.2 &&
-      |python -m pip install pylint-celery==0.3 &&
-      |python3 -m pip install pylint-celery==0.3 &&
-      |python -m pip install SaltPyLint==2017.12.15 &&
-      |python3 -m pip install SaltPyLint==2017.12.15 &&
-      |python -m pip install pylint==1.8.2 --upgrade --ignore-installed --no-cache-dir &&
-      |python3 -m pip install pylint==1.8.2 --upgrade --ignore-installed --no-cache-dir &&
-      |python -m pip uninstall -y pip &&
-      |python3 -m pip uninstall -y pip &&
+      |apt-get -y install python2.7 python3.5 ca-certificates wget openjdk-8-jre-headless &&
+      |wget "https://bootstrap.pypa.io/get-pip.py" -O /dev/stdout | python2.7 &&
+      |wget "https://bootstrap.pypa.io/get-pip.py" -O /dev/stdout | python3.5 && 
+      |python2.7 -m  pip install django==1.9.2 pylint-django==0.9.0 flask==0.10.1 pylint-flask==0.1 flask-wtf==0.12 --upgrade --ignore-installed --no-cache-dir &&
+      |python3.5 -m pip install django==1.9.2 pylint-django==0.9.0 flask==0.10.1 pylint-flask==0.1 flask-wtf==0.12 --upgrade --ignore-installed --no-cache-dir &&
+      |python2.7 -m  pip install pylint-common==0.2.2 &&
+      |python3.5 -m pip install pylint-common==0.2.2 &&
+      |python2.7 -m  pip install pylint-celery==0.3 &&
+      |python3.5 -m pip install pylint-celery==0.3 &&
+      |python2.7 -m  pip install SaltPyLint==2017.12.15 &&
+      |python3.5 -m pip install SaltPyLint==2017.12.15 &&
+      |python2.7 -m  pip install pylint==1.8.2 --upgrade --ignore-installed --no-cache-dir &&
+      |python3.5 -m pip install pylint==1.8.2 --upgrade --ignore-installed --no-cache-dir &&
+      |python2.7 -m  pip uninstall -y pip &&
+      |python3.5 -m pip uninstall -y pip &&
       |apt-get clean &&
       |rm -rf /var/lib/apt/lists/* &&
       |rm -rf /root/.cache/pip &&

src/main/scala/codacy/pylint/Pylint.scala

@@ -145,7 +145,7 @@ object Pylint extends Tool {
   def generateClassification(files: List[String]): String = {
     val scriptArgs = files.mkString("###")
     val tmp = FileHelper.createTmpFile(classifyScript, "pylint", "")
-    List("python3", tmp.toAbsolutePath.toString, scriptArgs).!!
+    List("python3.5", tmp.toAbsolutePath.toString, scriptArgs).!!
   }
 
   private def classifyFiles(files: List[String]): Try[Map[String, Array[String]]] = {
@@ -183,12 +183,19 @@ object Pylint extends Tool {
     val additionalPlugins = django ++ flask
 
     configPart.map { configPart =>
-      List("python" + interpreter, "-m", "pylint") ++
+      List("python" + realInterpreterVersion(interpreter), "-m", "pylint") ++
         configPart ++ List(s"--msg-template=$msgTemplate", "--output-format=parseable") ++
         rulesPart ++ additionalPlugins ++ files
     }
   }
 
+  def realInterpreterVersion(interpreter: String): String = {
+    interpreter match {
+      case "2" => "2.7"
+      case "3" => "3.5"
+    }
+  }
+
   private def writeConfigFile(configuration: List[Pattern.Definition]): Try[Path] = {
 
     val parameters = configuration.flatMap { pattern =>