diff --git a/builds/runtimes/download_python b/builds/runtimes/download_python
new file mode 100644
index 0000000..af5a68c
--- /dev/null
+++ b/builds/runtimes/download_python
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+# download_python(PYTHON_VERSION)
+# Example usage: download_python "2.7.8"
+download_python()
+{
+    local PYTHON_VERSION=${1:-2.7.8}
+    echo "Building Python $PYTHON_VERSION..."
+    SOURCE_TARBALL="http://python.org/ftp/python/$PYTHON_VERSION/Python-$PYTHON_VERSION.tgz"
+    curl -L $SOURCE_TARBALL | tar xz
+    mv Python-$PYTHON_VERSION src
+}
diff --git a/builds/runtimes/python-2.4.4 b/builds/runtimes/python-2.4.4
index 84addd6..ada1ea7 100755
--- a/builds/runtimes/python-2.4.4
+++ b/builds/runtimes/python-2.4.4
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.4.4"
+
 # Protect 2.4 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.4.4/Python-2.4.4.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.4.4 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.4.5 b/builds/runtimes/python-2.4.5
index b4555d0..4f20297 100755
--- a/builds/runtimes/python-2.4.5
+++ b/builds/runtimes/python-2.4.5
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.4.5"
+
 # Protect 2.4 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.4.5/Python-2.4.5.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.4.5 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.4.6 b/builds/runtimes/python-2.4.6
index ffebad1..8412e80 100755
--- a/builds/runtimes/python-2.4.6
+++ b/builds/runtimes/python-2.4.6
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.4.6"
+
 # Protect 2.4 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.4.6/Python-2.4.6.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.4.6 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.5.0 b/builds/runtimes/python-2.5.0
index 2b31b96..70fab97 100755
--- a/builds/runtimes/python-2.5.0
+++ b/builds/runtimes/python-2.5.0
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.5"
+
 # Protect 2.5 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5/Python-2.5.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.5 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.5.1 b/builds/runtimes/python-2.5.1
index 775b613..d507cfd 100755
--- a/builds/runtimes/python-2.5.1
+++ b/builds/runtimes/python-2.5.1
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.5.1"
+
 # Protect 2.5 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.1/Python-2.5.1.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.5.1 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.5.2 b/builds/runtimes/python-2.5.2
index 84bb094..bc99b2a 100755
--- a/builds/runtimes/python-2.5.2
+++ b/builds/runtimes/python-2.5.2
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.5.2"
+
 # Protect 2.5 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.2/Python-2.5.2.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.5.2 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.5.3 b/builds/runtimes/python-2.5.3
index 7ff33b4..6479240 100755
--- a/builds/runtimes/python-2.5.3
+++ b/builds/runtimes/python-2.5.3
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.5.3"
+
 # Protect 2.5 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.3/Python-2.5.3.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.5.3 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.5.4 b/builds/runtimes/python-2.5.4
index 063c4f6..1a421f7 100755
--- a/builds/runtimes/python-2.5.4
+++ b/builds/runtimes/python-2.5.4
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.5.4"
+
 # Protect 2.5 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.4/Python-2.5.4.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.5.4 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.5.5 b/builds/runtimes/python-2.5.5
index 9c9ee09..11e560a 100755
--- a/builds/runtimes/python-2.5.5
+++ b/builds/runtimes/python-2.5.5
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.5.5"
+
 # Protect 2.6 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.5/Python-2.5.5.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.5.5 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.5.6 b/builds/runtimes/python-2.5.6
index 6da7ca4..8af9bcc 100755
--- a/builds/runtimes/python-2.5.6
+++ b/builds/runtimes/python-2.5.6
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.5.6"
+
 # Protect 2.5 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.6/Python-2.5.6.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.5.6 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.6.0 b/builds/runtimes/python-2.6.0
index 353abc6..1e2d815 100755
--- a/builds/runtimes/python-2.6.0
+++ b/builds/runtimes/python-2.6.0
@@ -6,15 +6,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.6"
+
 # Protect 2.6 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://www.python.org/ftp/python/2.6/Python-2.6.tar.bz2'
-curl -L $SOURCE_TARBALL | tar jx
-mv Python-2.6 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.6.1 b/builds/runtimes/python-2.6.1
index e32cdff..657eb16 100755
--- a/builds/runtimes/python-2.6.1
+++ b/builds/runtimes/python-2.6.1
@@ -6,15 +6,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.6.1"
+
 # Protect 2.6 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.1/Python-2.6.1.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.6.1 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.6.2 b/builds/runtimes/python-2.6.2
index dcce19c..ba1ba0f 100755
--- a/builds/runtimes/python-2.6.2
+++ b/builds/runtimes/python-2.6.2
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.6.2"
+
 # Protect 2.6 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.2/Python-2.6.2.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.6.2 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.6.3 b/builds/runtimes/python-2.6.3
index 71839b0..be9eadf 100755
--- a/builds/runtimes/python-2.6.3
+++ b/builds/runtimes/python-2.6.3
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.6.3"
+
 # Protect 2.6 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.3/Python-2.6.3.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.6.3 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.6.4 b/builds/runtimes/python-2.6.4
index c1b4f89..2b8bcf3 100755
--- a/builds/runtimes/python-2.6.4
+++ b/builds/runtimes/python-2.6.4
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.6.4"
+
 # Protect 2.6 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.4/Python-2.6.4.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.6.4 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.6.5 b/builds/runtimes/python-2.6.5
index c681bff..90e1c39 100755
--- a/builds/runtimes/python-2.6.5
+++ b/builds/runtimes/python-2.6.5
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.6.5"
+
 # Protect 2.6 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.5/Python-2.6.5.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.6.5 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.6.6 b/builds/runtimes/python-2.6.6
index b5cb8ec..213fb9f 100755
--- a/builds/runtimes/python-2.6.6
+++ b/builds/runtimes/python-2.6.6
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.6.6"
+
 # Protect 2.6 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.6/Python-2.6.6.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.6.6 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.6.7 b/builds/runtimes/python-2.6.7
index 0eb587b..8eee5d2 100755
--- a/builds/runtimes/python-2.6.7
+++ b/builds/runtimes/python-2.6.7
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.6.7"
+
 # Protect 2.6 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.7/Python-2.6.7.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.6.7 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.6.8 b/builds/runtimes/python-2.6.8
index ed071fc..6ecbe7b 100755
--- a/builds/runtimes/python-2.6.8
+++ b/builds/runtimes/python-2.6.8
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.6.8"
+
 # Protect 2.6 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.8/Python-2.6.8.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.6.8 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.6.9 b/builds/runtimes/python-2.6.9
index dfa5283..b825405 100755
--- a/builds/runtimes/python-2.6.9
+++ b/builds/runtimes/python-2.6.9
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.6.9"
+
 # Protect 2.6 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.9/Python-2.6.9.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.6.9 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.7.0 b/builds/runtimes/python-2.7.0
index 17559ec..5e762c0 100755
--- a/builds/runtimes/python-2.7.0
+++ b/builds/runtimes/python-2.7.0
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7/Python-2.7.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.7 src
-cd src
+source ./download_python
+download_python "2.7"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.7.1 b/builds/runtimes/python-2.7.1
index 06b03af..3e55202 100755
--- a/builds/runtimes/python-2.7.1
+++ b/builds/runtimes/python-2.7.1
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.1/Python-2.7.1.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.7.1 src
-cd src
+source ./download_python
+download_python "2.7.1"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.7.2 b/builds/runtimes/python-2.7.2
index f89af12..f638b05 100755
--- a/builds/runtimes/python-2.7.2
+++ b/builds/runtimes/python-2.7.2
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.2/Python-2.7.2.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.7.2 src
-cd src
+source ./download_python
+download_python "2.7.2"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.7.3 b/builds/runtimes/python-2.7.3
index d139ca3..220cddc 100755
--- a/builds/runtimes/python-2.7.3
+++ b/builds/runtimes/python-2.7.3
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.3/Python-2.7.3.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.7.3 src
-cd src
+source ./download_python
+download_python "2.7.3"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.7.4 b/builds/runtimes/python-2.7.4
index 08b04e0..c91efcb 100755
--- a/builds/runtimes/python-2.7.4
+++ b/builds/runtimes/python-2.7.4
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.4/Python-2.7.4.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.7.4 src
-cd src
+source ./download_python
+download_python "2.7.4"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.7.5 b/builds/runtimes/python-2.7.5
index 520ec01..8615ca1 100755
--- a/builds/runtimes/python-2.7.5
+++ b/builds/runtimes/python-2.7.5
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.5/Python-2.7.5.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.7.5 src
-cd src
+source ./download_python
+download_python "2.7.5"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.7.6 b/builds/runtimes/python-2.7.6
index 098ea0f..664c1bb 100755
--- a/builds/runtimes/python-2.7.6
+++ b/builds/runtimes/python-2.7.6
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.6/Python-2.7.6.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.7.6 src
-cd src
+source ./download_python
+download_python "2.7.6"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.7.7 b/builds/runtimes/python-2.7.7
index 7ff982f..06ef903 100755
--- a/builds/runtimes/python-2.7.7
+++ b/builds/runtimes/python-2.7.7
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.7/Python-2.7.7.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.7.7 src
-cd src
+source ./download_python
+download_python "2.7.7"
 
+cd src
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.7.7-shared b/builds/runtimes/python-2.7.7-shared
index 2c6a60e..fc3d7ef 100755
--- a/builds/runtimes/python-2.7.7-shared
+++ b/builds/runtimes/python-2.7.7-shared
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.7/Python-2.7.7.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.7.7 src
-cd src
+source ./download_python
+download_python "2.7.7"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-2.7.8 b/builds/runtimes/python-2.7.8
index 0700989..50eb1cc 100755
--- a/builds/runtimes/python-2.7.8
+++ b/builds/runtimes/python-2.7.8
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.8/Python-2.7.8.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.7.8 src
-cd src
+source ./download_python
+download_python "2.7.8"
 
+cd src
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-2.7.8-shared b/builds/runtimes/python-2.7.8-shared
index 0700989..50eb1cc 100755
--- a/builds/runtimes/python-2.7.8-shared
+++ b/builds/runtimes/python-2.7.8-shared
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.8/Python-2.7.8.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.7.8 src
-cd src
+source ./download_python
+download_python "2.7.8"
 
+cd src
 ./configure --prefix=$OUT_PREFIX
 make
 make install
diff --git a/builds/runtimes/python-3.1.0 b/builds/runtimes/python-3.1.0
index effbf44..a167649 100755
--- a/builds/runtimes/python-3.1.0
+++ b/builds/runtimes/python-3.1.0
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1/Python-3.1.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.1 src
-cd src
+source ./download_python
+download_python "3.1"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.1.1 b/builds/runtimes/python-3.1.1
index bf5698a..6f884dc 100755
--- a/builds/runtimes/python-3.1.1
+++ b/builds/runtimes/python-3.1.1
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1.1/Python-3.1.1.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.1.1 src
-cd src
+source ./download_python
+download_python "3.1.1"
 
+cd src
 ./configure --prefix=$OUT_PREFIX  --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.1.2 b/builds/runtimes/python-3.1.2
index 2544ba2..0fdf4c9 100755
--- a/builds/runtimes/python-3.1.2
+++ b/builds/runtimes/python-3.1.2
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1.2/Python-3.1.2.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.1.2 src
-cd src
+source ./download_python
+download_python "3.1.2"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.1.3 b/builds/runtimes/python-3.1.3
index 7af8e66..29e3b56 100755
--- a/builds/runtimes/python-3.1.3
+++ b/builds/runtimes/python-3.1.3
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1.3/Python-3.1.3.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.1.3 src
-cd src
+source ./download_python
+download_python "3.1.3"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.1.4 b/builds/runtimes/python-3.1.4
index e1050d9..db4878e 100755
--- a/builds/runtimes/python-3.1.4
+++ b/builds/runtimes/python-3.1.4
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1.4/Python-3.1.4.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.1.4 src
-cd src
+source ./download_python
+download_python "3.1.4"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.1.5 b/builds/runtimes/python-3.1.5
index f538d93..2a74e78 100755
--- a/builds/runtimes/python-3.1.5
+++ b/builds/runtimes/python-3.1.5
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1.5/Python-3.1.5.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.1.5 src
-cd src
+source ./download_python
+download_python "3.1.5"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.2.0 b/builds/runtimes/python-3.2.0
index f4c5ce2..bee64e5 100755
--- a/builds/runtimes/python-3.2.0
+++ b/builds/runtimes/python-3.2.0
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2/Python-3.2.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.2 src
-cd src
+source ./download_python
+download_python "3.2"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.2.1 b/builds/runtimes/python-3.2.1
index 68392d0..46eaae8 100755
--- a/builds/runtimes/python-3.2.1
+++ b/builds/runtimes/python-3.2.1
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2.1/Python-3.2.1.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.2.1 src
-cd src
+source ./download_python
+download_python "3.2.1"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.2.2 b/builds/runtimes/python-3.2.2
index dd22cab..2bc4c13 100755
--- a/builds/runtimes/python-3.2.2
+++ b/builds/runtimes/python-3.2.2
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2.2/Python-3.2.2.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.2.2 src
-cd src
+source ./download_python
+download_python "3.2.2"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.2.3 b/builds/runtimes/python-3.2.3
index 9d887e6..6f26cd8 100755
--- a/builds/runtimes/python-3.2.3
+++ b/builds/runtimes/python-3.2.3
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2.3/Python-3.2.3.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.2.3 src
-cd src
+source ./download_python
+download_python "3.2.3"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.2.4 b/builds/runtimes/python-3.2.4
index 20d2050..89d5d36 100755
--- a/builds/runtimes/python-3.2.4
+++ b/builds/runtimes/python-3.2.4
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2.4/Python-3.2.4.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.2.4 src
-cd src
+source ./download_python
+download_python "3.2.4"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.2.5 b/builds/runtimes/python-3.2.5
index 1c4b18e..16506c0 100755
--- a/builds/runtimes/python-3.2.5
+++ b/builds/runtimes/python-3.2.5
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2.5/Python-3.2.5.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.2.5 src
-cd src
+source ./download_python
+download_python "3.2.5"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.3.0 b/builds/runtimes/python-3.3.0
index 436fd92..6650bb2 100755
--- a/builds/runtimes/python-3.3.0
+++ b/builds/runtimes/python-3.3.0
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.0/Python-3.3.0.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.3.0 src
-cd src
+source ./download_python
+download_python "3.3.0"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.3.1 b/builds/runtimes/python-3.3.1
index fcf234e..e08969a 100755
--- a/builds/runtimes/python-3.3.1
+++ b/builds/runtimes/python-3.3.1
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.1/Python-3.3.1.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.3.1 src
-cd src
+source ./download_python
+download_python "3.3.1"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.3.2 b/builds/runtimes/python-3.3.2
index 076bf75..2f0cb48 100755
--- a/builds/runtimes/python-3.3.2
+++ b/builds/runtimes/python-3.3.2
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.2/Python-3.3.2.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.3.2 src
-cd src
+source ./download_python
+download_python "3.3.2"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.3.3 b/builds/runtimes/python-3.3.3
index 50fe9b8..19a6027 100755
--- a/builds/runtimes/python-3.3.3
+++ b/builds/runtimes/python-3.3.3
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.3/Python-3.3.3.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.3.3 src
-cd src
+source ./download_python
+download_python "3.3.3"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.3.4 b/builds/runtimes/python-3.3.4
index d07a5c6..10e465d 100755
--- a/builds/runtimes/python-3.3.4
+++ b/builds/runtimes/python-3.3.4
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.4/Python-3.3.4.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.3.4 src
-cd src
+source ./download_python
+download_python "3.3.4"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.3.5 b/builds/runtimes/python-3.3.5
index df64fd8..682e847 100755
--- a/builds/runtimes/python-3.3.5
+++ b/builds/runtimes/python-3.3.5
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.5/Python-3.3.5.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.3.5 src
-cd src
+source ./download_python
+download_python "3.3.5"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.4.0 b/builds/runtimes/python-3.4.0
index 8e4d80e..dbd1a00 100755
--- a/builds/runtimes/python-3.4.0
+++ b/builds/runtimes/python-3.4.0
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.4.0/Python-3.4.0.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.4.0 src
-cd src
+source ./download_python
+download_python "3.4.0"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --with-ensurepip=no --enable-shared
 make
 make install
diff --git a/builds/runtimes/python-3.4.1 b/builds/runtimes/python-3.4.1
index 352245a..2cabc67 100755
--- a/builds/runtimes/python-3.4.1
+++ b/builds/runtimes/python-3.4.1
@@ -4,15 +4,12 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.4.1/Python-3.4.1.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.4.1 src
-cd src
+source ./download_python
+download_python "3.4.1"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --with-ensurepip=no --enable-shared
 make
 make install
 
 ln $OUT_PREFIX/bin/python3 $OUT_PREFIX/bin/python
-