python-2.7.14: Refactor

Move function plaininstall() towards the beginning of the file. This
makes it easier to exclude parts of the script via `if false;
then`...`fi` during development.

python-2.7.14-2.build.sh

@@ -31,6 +31,21 @@ BUILDDIR=$PREFIX/build
 mkdir -p $BUILDDIR
 cd $BUILDDIR
 
+function plaininstall() {
+	local dir=$1
+	local tar=$2
+	local url=$3
+	(
+		cd $BUILDDIR
+		test -e $tar || wget $url
+		test -d $dir || tar xvf $tar
+		cd $dir
+		./configure --prefix=$PREFIX
+		make -j $(nproc)
+		make install
+	)
+}
+
 URL=https://www.python.org/ftp/python/$VERSION/Python-$VERSION.tgz
 test -e Python-$VERSION.tgz || wget $URL
 test -d Python-$VERSION || tar xf Python-$VERSION.tgz
@@ -111,21 +126,6 @@ pip install tensorflow-gpu
 pip install biopython	# wird von bressin fuer python3 benutzt. klingt gut, ist in metaseq requirement drin
 pip install git+git://github.com/tanghaibao/jcvi.git # angefragt von Dr. Jun Yang
 
-function plaininstall() {
-	local dir=$1
-	local tar=$2
-	local url=$3
-	(
-		cd build
-		test -e $tar || wget $url
-		test -d $dir || tar xvf $tar
-		cd $dir
-		./configure --prefix=$PREFIX
-		make -j $(nproc)
-		make install
-	)
-}
-
 # for Klages
 #
 pip install GPy distribute h5py igraph ranger pep8