v74

Update readme to Python 2.7.11 and 3.5.1

CHANGELOG.md

@@ -0,0 +1,71 @@
+# Python Buildpack Changelog
+
+## v74 (2015-12-29)
+
+Added warnings for lack of Procfile.
+
+## v72 (2015-12-07)
+
+Updated default Python to 2.7.11.
+
+## v72 (2015-12-03)
+
+Added friendly warnings for common build failures.
+
+## v70 (2015-10-29)
+
+Improved compatibility with multi and node.js buildpacks.
+
+## v69 (2015-10-12)
+
+Revert to v66.
+
+## v68 (2015-10-12)
+
+Fixed .heroku/venv error with modern apps.
+
+## v67 (2015-10-12)
+
+Further improved cache compatibility with multi and node.js buildpacks.
+
+## v66 (2015-10-09)
+
+Improved compatibility with multi and node.js buildpacks.
+
+## v65 (2015-10-08)
+
+Reverted v64.
+
+## v64 (2015-10-08)
+
+Improved compatibility with multi and node.js buildpacks.
+
+## v63 (2015-10-08)
+
+Updated Pip and Setuptools.
+
+- Setuptools updated to v18.3.2
+- Pip updated to v7.1.2
+
+
+## v62 (2015-08-07)
+
+Updated Pip and Setuptools.
+
+- Setuptools updated to v18.1
+- Pip updated to v7.1.0
+
+## v61 (2015-06-30)
+
+Updated Pip and Setuptools.
+
+- Setuptools updated to v18.0.1
+- Pip updated to v7.0.3
+
+## v60 (2015-05-27)
+
+Default Python is now latest 2.7.10. Updated Pip and Distribute.
+
+- Default Python version is v2.7.10
+- Setuptools updated to v16.0
+- Pip updated to v7.0.1

Changelog.md

@@ -1,130 +0,0 @@
-## v14
-
-Features:
-
-* Full removal of Django settings injection for new apps.
-* Support for profile.d
-* Fresh app detection.
-* Update to Virtualenv v1.7.2
-* Updated to Pip v1.1 (patched)
-
-Bugfixes:
-
-* Default pip path exists action.
-
-## v13
-
-Bugfixes:
-
-* Fix pip quoting error.
-* Only talk about collectstatic in buildpack output when it's configured.
-
-## v12
-
-Bugfixes:
-
-* Catch database setting corner case.
-
-## v11
-
-Bugfixes:
-
-* Cleanup collectstatic output.
-
-
-## v10
-
-Bugfixes:
-
-* Check for collectstatic validity with --dry-run instead of --help for Django 1.4.
-
-## v9
-
-Bugfixes:
-
-* Unset PYTHONHOME in buildpack for [user_env_compile](http://devcenter.heroku.com/articles/labs-user-env-compile).
-
-## v8
-
-Features:
-
-* Disable Django collectstatic with `$DISABLE_COLLECTSTATIC` + [user_env_compile](http://devcenter.heroku.com/articles/labs-user-env-compile).
-
-Bugfixes:
-
-* Don't disbable injection for new Django apps.
-* Inform user of July 1, 2012 deprecation of Django injection.
-
-## v7
-
-Features:
-
-* Full removal of Django setting injection for new apps.
-* Automatic execution of collectstatic.
-* Suppress collectstatic errors via env SILENCE_COLLECTSTATIC.
-* Increase settings.py search depth to 3.
-* Search recursively from included requirements.txt files.
-
-
-## v6 (03/23/2012)
-
-Features:
-
-* Dist packages (setup.py) support.
-* Move new virtualenvs to `/app/.heroku/venv`.
-* Heavily improved Django app detection, accounting for `Django` in `requirements.txt`.
-* Literate [documentation](http://python-buildpack.herokuapp.com).
-* Default `$PYTHONHOME`, `$PYTHONPATH`, and `$LANG` configurations.
-* Disable Django setting injection with `$DISABLE_INJECTION` + [user_env_compile](http://devcenter.heroku.com/articles/labs-user-env-compile).
-* General code refactor and improved messaging.
-* Unit tests.
-
-Bugfixes:
-
-* Django 1.4 startproject template layout support.
-* Django `manage.py` location can now be independent from `settings.py`.
-
-## v5 (02/01/2012)
-
-Bugfixes:
-
-* Git requirements 100% work.
-
-
-## v4 (01/20/2012)
-
-Features:
-
-* Updated to virtualenv v1.7 with patched pip v1.2.
-* Actually activate created virtualenv within compile process.
-* Use distribute instead of deprecated setuptools.
-* Automatically destroy and rebuild corrupt virtualenvs.
-* Refactor django and pylibmc detection.
-
-Bugfixes:
-
-* Fixed `package==dev` in requirements with patched pip embedded within virtualenv. Patch upstreamed.
-* Minor curl/rm flag fixes (thanks, contributors!)
-
-
-## v3 (12/07/2011)
-
-Bugfixes:
-
-* Better django setup.py injection.
-
-
-## v2 (11/15/2011)
-
-Features:
-
-* Support for pylibmc and libmemcached +sasl.
-
-Bugfixes:
-
-* Detect when virtualenv is checked in and alert user.
-
-
-## v1 (10/01/2011)
-
-* Conception.

Makefile

@@ -3,3 +3,8 @@
 
 tests:
 	./bin/test
+
+tools:
+	git clone https://github.com/kennethreitz/pip-pop.git
+	mv pip-pop/bin/* vendor/pip-pop/
+	rm -fr pip-pop

Readme.md

@@ -1,8 +1,10 @@
-Heroku buildpack: Python
+# Heroku buildpack: Python
-========================
+![python-banner](https://cloud.githubusercontent.com/assets/51578/8914205/ecf2047c-346b-11e5-98c5-42547f9f4410.jpg)
 
 This is a [Heroku buildpack](http://devcenter.heroku.com/articles/buildpacks) for Python apps, powered by [pip](http://www.pip-installer.org/).
 
+This buildpack supports running Django and Flask apps.
+
 
 Usage
 -----
@@ -17,7 +19,7 @@ Example usage:
     $ git push heroku master
     ...
     -----> Python app detected
-    -----> Installing runtime (python-2.7.8)
+    -----> Installing runtime (python-2.7.11)
     -----> Installing dependencies using pip
            Downloading/unpacking requests (from -r requirements.txt (line 1))
            Installing collected packages: requests
@@ -28,7 +30,7 @@ Example usage:
 
 You can also add it to upcoming builds of an existing application:
 
-    $ heroku config:add BUILDPACK_URL=git://github.com/heroku/heroku-buildpack-python.git
+    $ heroku buildpacks:set git://github.com/heroku/heroku-buildpack-python.git
 
 The buildpack will detect your app as Python if it has the file `requirements.txt` in the root.
 
@@ -40,12 +42,13 @@ Specify a Runtime
 You can also provide arbitrary releases Python with a `runtime.txt` file.
 
     $ cat runtime.txt
-    python-3.4.1
+    python-3.5.0
 
 Runtime options include:
 
-- python-2.7.8
+- python-2.7.11
-- python-3.4.1
+- python-3.5.1
-- pypy-1.9 (experimental)
+- pypy-4.0.1 (unsupported, experimental)
+- pypy3-2.4.0 (unsupported, experimental)
 
 Other [unsupported runtimes](https://github.com/heroku/heroku-buildpack-python/tree/master/builds/runtimes) are available as well.

bin/compile

@@ -7,6 +7,8 @@
 # Fail fast and fail hard.
 set -eo pipefail
 
+[ "$BUILDPACK_XTRACE" ] && set -o xtrace
+
 # Prepend proper path for virtualenv hackery. This will be deprecated soon.
 export PATH=:/usr/local/bin:$PATH
 
@@ -17,19 +19,18 @@ BUILD_DIR=$1
 CACHE_DIR=$2
 ENV_DIR=$3
 
-
-CACHED_DIRS=".heroku"
-
 # Static configurations for virtualenv caches.
 VIRTUALENV_LOC=".heroku/venv"
 LEGACY_TRIGGER="lib/python2.7"
-PROFILE_PATH="$BUILD_DIR/.profile.d/python.sh"
 
-DEFAULT_PYTHON_VERSION="python-2.7.8"
+DEFAULT_PYTHON_VERSION="python-2.7.11"
 DEFAULT_PYTHON_STACK="cedar"
 PYTHON_EXE="/app/.heroku/python/bin/python"
-PIP_VERSION="1.5.6"
+PIP_VERSION="7.1.2"
-SETUPTOOLS_VERSION="5.4.1"
+SETUPTOOLS_VERSION="18.7.1"
+
+# Common Problem Warnings
+export WARNINGS_LOG=$(mktemp)
 
 # Setup bpwatch
 export PATH=$PATH:$ROOT_DIR/vendor/bpwatch
@@ -54,36 +55,47 @@ TMP_APP_DIR=$CACHE_DIR/tmp_app_dir
 
 bpwatch start compile
 
-
-# We'll need to send these statics to other scripts we `source`.
-export BUILD_DIR CACHE_DIR BIN_DIR PROFILE_PATH
-
 # Syntax sugar.
 source $BIN_DIR/utils
 
+# Import collection of warnings.
+source $BIN_DIR/warnings
+
 # Directory Hacks for path consistiency.
 APP_DIR='/app'
 TMP_APP_DIR=$CACHE_DIR/tmp_app_dir
 
-# Copy Anvil app dir to temporary storage...
+# Skip these steps for Docker.
-bpwatch start anvil_appdir_stage
+if [[ ! "$DOCKER_BUILD" ]]; then
+
+  # Copy Anvil app dir to temporary storage...
+  bpwatch start anvil_appdir_stage
   if [ "$SLUG_ID" ]; then
     mkdir -p $TMP_APP_DIR
     deep-mv $APP_DIR $TMP_APP_DIR
   else
     deep-rm $APP_DIR
   fi
-bpwatch stop anvil_appdir_stage
+  bpwatch stop anvil_appdir_stage
+
+  # Copy Application code in.
+  bpwatch start appdir_stage
+    deep-cp $BUILD_DIR $APP_DIR
+  bpwatch stop appdir_stage
+fi
 
-# Copy Application code in.
-bpwatch start appdir_stage
-  deep-mv $BUILD_DIR $APP_DIR
-bpwatch stop appdir_stage
 
 # Set new context.
 ORIG_BUILD_DIR=$BUILD_DIR
 BUILD_DIR=$APP_DIR
 
+# Set up outputs under new context
+PROFILE_PATH="$BUILD_DIR/.profile.d/python.sh"
+WEBCONCURRENCY_PROFILE_PATH="$BUILD_DIR/.profile.d/python.webconcurrency.sh"
+
+# We'll need to send these statics to other scripts we `source`.
+export BUILD_DIR CACHE_DIR BIN_DIR PROFILE_PATH
+
 # Prepend proper path buildpack use.
 export PATH=$BUILD_DIR/.heroku/python/bin:$BUILD_DIR/.heroku/vendor/bin:$PATH
 export PYTHONUNBUFFERED=1
@@ -97,6 +109,12 @@ export PKG_CONFIG_PATH=/app/.heroku/vendor/lib/pkg-config:$BUILD_DIR/.heroku/ven
 # Switch to the repo's context.
 cd $BUILD_DIR
 
+# Warn for lack of Procfile.
+if [[ ! -f Procfile ]]; then
+  puts-warn 'Warning: Your application is missing a Procfile. This file tells Heroku how to run your application.'
+  puts-warn 'Learn more: https://devcenter.heroku.com/articles/procfile'
+fi
+
 # Experimental pre_compile hook.
 bpwatch start pre_compile
   source $BIN_DIR/steps/hooks/pre_compile
@@ -107,6 +125,7 @@ if [ ! -f requirements.txt ]; then
   echo "-e ." > requirements.txt
 fi
 
+
 # Sticky runtimes.
 if [ -f $CACHE_DIR/.heroku/python-version ]; then
   DEFAULT_PYTHON_VERSION=$(cat $CACHE_DIR/.heroku/python-version)
@@ -135,9 +154,14 @@ bpwatch stop clear_old_venvs
 
 # Restore old artifacts from the cache.
 bpwatch start restore_cache
-  for dir in $CACHED_DIRS; do
+    mkdir -p .heroku
-    cp -R $CACHE_DIR/$dir . &> /dev/null || true
+
-  done
+    cp -R $CACHE_DIR/.heroku/python .heroku/ &> /dev/null || true
+    cp -R $CACHE_DIR/.heroku/python-stack .heroku/ &> /dev/null || true
+    cp -R $CACHE_DIR/.heroku/python-version .heroku/ &> /dev/null || true
+    cp -R $CACHE_DIR/.heroku/vendor .heroku/ &> /dev/null || true
+    cp -R $CACHE_DIR/.heroku/venv .heroku/ &> /dev/null || true
+
 bpwatch stop restore_cache
 
 set +e
@@ -150,6 +174,9 @@ mkdir -p $(dirname $PROFILE_PATH)
 # Install Python.
 source $BIN_DIR/steps/python
 
+# Sanity check for setuptools/distribute.
+source $BIN_DIR/steps/setuptools
+
 # Uninstall removed dependencies with Pip.
 source $BIN_DIR/steps/pip-uninstall
 
@@ -159,11 +186,17 @@ source $BIN_DIR/steps/mercurial
 # Pylibmc support.
 source $BIN_DIR/steps/pylibmc
 
+# Libffi support.
+source $BIN_DIR/steps/cryptography
+
+# GDAL support.
+source $BIN_DIR/steps/gdal
+
 # Install dependencies with Pip.
 source $BIN_DIR/steps/pip-install
 
 # Django collectstatic support.
-source $BIN_DIR/steps/collectstatic
+sub-env $BIN_DIR/steps/collectstatic
 
 
 # ### Finalize
@@ -173,12 +206,15 @@ source $BIN_DIR/steps/collectstatic
 set-env PATH '$HOME/.heroku/python/bin:$PATH'
 set-env PYTHONUNBUFFERED true
 set-env PYTHONHOME /app/.heroku/python
-set-env LIBRARY_PATH /app/.heroku/vendor/lib:/app/.heroku/python/lib
+set-env LIBRARY_PATH '/app/.heroku/vendor/lib:/app/.heroku/python/lib:$LIBRARY_PATH'
 set-env LD_LIBRARY_PATH '/app/.heroku/vendor/lib:/app/.heroku/python/lib:$LD_LIBRARY_PATH'
 set-default-env LANG en_US.UTF-8
 set-default-env PYTHONHASHSEED random
 set-default-env PYTHONPATH /app/
 
+# Install sane-default script for WEB_CONCURRENCY environment variable.
+cp $ROOT_DIR/vendor/python.webconcurrency.sh $WEBCONCURRENCY_PROFILE_PATH
+
 
 # Experimental post_compile hook.
 bpwatch start post_compile
@@ -187,21 +223,36 @@ bpwatch stop post_compile
 
 # Store new artifacts in cache.
 bpwatch start dump_cache
-  for dir in $CACHED_DIRS; do
+
-    rm -rf $CACHE_DIR/$dir
+  rm -rf $CACHE_DIR/.heroku/python
-    cp -R $dir $CACHE_DIR/
+  rm -rf $CACHE_DIR/.heroku/python-version
-  done
+  rm -rf $CACHE_DIR/.heroku/python-stack
+  rm -rf $CACHE_DIR/.heroku/vendor
+  rm -rf $CACHE_DIR/.heroku/venv
+
+  mkdir -p $CACHE_DIR/.heroku
+  cp -R .heroku/python $CACHE_DIR/.heroku/
+  cp -R .heroku/python-version $CACHE_DIR/.heroku/
+  cp -R .heroku/python-stack $CACHE_DIR/.heroku/ &> /dev/null || true
+  cp -R .heroku/vendor $CACHE_DIR/.heroku/ &> /dev/null || true
+  cp -R .heroku/venv $CACHE_DIR/.heroku/ &> /dev/null || true
+
 bpwatch stop dump_cache
 
 # ### Fin.
-bpwatch start appdir_commit
+if [[ ! "$DOCKER_BUILD" ]]; then
-  deep-mv $BUILD_DIR $ORIG_BUILD_DIR
-bpwatch stop appdir_commit
 
-bpwatch start anvil_appdir_commit
+  bpwatch start appdir_commit
+    deep-rm $ORIG_BUILD_DIR
+    deep-mv $BUILD_DIR $ORIG_BUILD_DIR
+  bpwatch stop appdir_commit
+
+  bpwatch start anvil_appdir_commit
   if [ "$SLUG_ID" ]; then
     deep-mv $TMP_APP_DIR $APP_DIR
   fi
 
-bpwatch stop anvil_appdir_commit
+  bpwatch stop anvil_appdir_commit
-bpwatch stop compile
+  bpwatch stop compile
+fi
+

bin/release

@@ -18,6 +18,6 @@ if [[ $MANAGE_FILE ]]; then
 cat <<EOF
 
 addons:
-  heroku-postgresql:hobby-dev
+  heroku-postgresql
 EOF
 fi

bin/steps/collectstatic

@@ -2,7 +2,7 @@
 
 source $BIN_DIR/utils
 
-MANAGE_FILE=$(find . -maxdepth 3 -type f -name 'manage.py' | head -1)
+MANAGE_FILE=$(find . -maxdepth 3 -type f -name 'manage.py' -printf '%d\t%P\n' | sort -nk1 | cut -f2 | head -1)
 MANAGE_FILE=${MANAGE_FILE:-fakepath}
 
 [ -f .heroku/collectstatic_disabled ] && DISABLE_COLLECTSTATIC=1

bin/steps/cryptography

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+# This script serves as the Pylibmc build step of the
+# [**Python Buildpack**](https://github.com/heroku/heroku-buildpack-python)
+# compiler.
+#
+# A [buildpack](http://devcenter.heroku.com/articles/buildpacks) is an
+# adapter between a Python application and Heroku's runtime.
+#
+# This script is invoked by [`bin/compile`](/).
+
+# The location of the pre-compiled cryptography binary.
+VENDORED_LIBFFI="https://lang-python.s3.amazonaws.com/$STACK/libraries/vendor/libffi.tar.gz"
+
+PKG_CONFIG_PATH="/app/.heroku/vendor/lib/pkgconfig:$PKG_CONFIG_PATH"
+
+# Syntax sugar.
+source $BIN_DIR/utils
+
+bpwatch start libffi_install
+
+# If pylibmc exists within requirements, use vendored cryptography.
+if (pip-grep -s requirements.txt bcrypt cffi cryptography pyOpenSSL PyOpenSSL requests[security] &> /dev/null) then
+
+  if [ -d ".heroku/vendor/lib/libffi-3.1.1" ]; then
+    export LIBFFI=$(pwd)/vendor
+  else
+    echo "-----> Noticed cffi. Bootstrapping libffi."
+    mkdir -p .heroku/vendor
+    # Download and extract cryptography into target vendor directory.
+    curl $VENDORED_LIBFFI -s | tar zxv -C .heroku/vendor &> /dev/null
+
+    export LIBFFI=$(pwd)/vendor
+  fi
+fi
+
+bpwatch stop libffi_install

bin/steps/gdal

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+# This script serves as the GDAL build step of the
+# [**Python Buildpack**](https://github.com/heroku/heroku-buildpack-python)
+# compiler.
+#
+# A [buildpack](http://devcenter.heroku.com/articles/buildpacks) is an
+# adapter between a Python application and Heroku's runtime.
+#
+# This script is invoked by [`bin/compile`](/).
+
+# The location of the pre-compiled cryptography binary.
+VENDORED_GDAL="https://lang-python.s3.amazonaws.com/$STACK/libraries/vendor/gdal.tar.gz"
+
+PKG_CONFIG_PATH="/app/.heroku/vendor/lib/pkgconfig:$PKG_CONFIG_PATH"
+
+# Syntax sugar.
+source $BIN_DIR/utils
+
+bpwatch start gdal_install
+
+# If GDAL exists within requirements, use vendored gdal.
+if (pip-grep -s requirements.txt GDAL &> /dev/null) then
+
+  if [ -f ".heroku/vendor/bin/gdalserver" ]; then
+    export GDAL=$(pwd)/vendor
+  else
+    echo "-----> Noticed GDAL. Bootstrapping gdal."
+    mkdir -p .heroku/vendor
+    # Download and extract cryptography into target vendor directory.
+    curl $VENDORED_GDAL -s | tar zxv -C .heroku/vendor &> /dev/null
+
+    export GDAL=$(pwd)/vendor
+  fi
+fi
+
+bpwatch stop gdal_install

bin/steps/pip-install

@@ -4,7 +4,17 @@ puts-step "Installing dependencies with pip"
 [ ! "$FRESH_PYTHON" ] && bpwatch start pip_install
 [ "$FRESH_PYTHON" ] && bpwatch start pip_install_first
 
-/app/.heroku/python/bin/pip install -r requirements.txt --exists-action=w --src=./.heroku/src --allow-all-external  | cleanup | indent
+set +e
+/app/.heroku/python/bin/pip install -r requirements.txt --exists-action=w --src=./.heroku/src --allow-all-external --disable-pip-version-check --no-cache-dir | cleanup | log-output | indent
+PIP_STATUS="${PIPESTATUS[0]}"
+set -e
+
+if [[ ! $PIP_STATUS -eq 0 ]]; then
+    echo
+    show-warnings
+    exit 1
+fi
+
 
 # Smart Requirements handling
 cp requirements.txt .heroku/python/requirements-declared.txt

bin/steps/pip-uninstall

@@ -3,7 +3,11 @@ set +e
 bpwatch start pip_uninstall
 if [[ -f .heroku/python/requirements-declared.txt ]]; then
 
-  pip-diff --stale .heroku/python/requirements-declared.txt requirements.txt > .heroku/python/requirements-stale.txt
+  cp .heroku/python/requirements-declared.txt requirements-declared.txt
+
+  pip-diff --stale requirements-declared.txt requirements.txt --exclude setuptools pip > .heroku/python/requirements-stale.txt
+
+  rm -fr requirements-declared.txt
 
   if [[ -s .heroku/python/requirements-stale.txt ]]; then
     puts-step "Uninstalling stale dependencies"

bin/steps/pylibmc

@@ -10,30 +10,27 @@
 # This script is invoked by [`bin/compile`](/).
 
 # The location of the pre-compiled libmemcached binary.
-VENDORED_MEMCACHED="http://cl.ly/0a191R3K160t1w1P0N25/vendor-libmemcached.tar.gz"
+VENDORED_MEMCACHED="https://lang-python.s3.amazonaws.com/$STACK/libraries/vendor/libmemcache.tar.gz"
 
 # Syntax sugar.
 source $BIN_DIR/utils
 
+
 bpwatch start pylibmc_install
 
 # If pylibmc exists within requirements, use vendored libmemcached.
-if (pip-grep -s requirements.txt pylibmc) then
+if (pip-grep -s requirements.txt pylibmc &> /dev/null) then
-  echo "-----> Noticed pylibmc. Bootstrapping libmemcached."
-  cd .heroku
 
-  if [ -d "vendor/lib/sasl2" ]; then
+  if [ -d ".heroku/vendor/lib/sasl2" ]; then
     export LIBMEMCACHED=$(pwd)/vendor
   else
+    echo "-----> Noticed pylibmc. Bootstrapping libmemcached."
+    mkdir -p .heroku/vendor
     # Download and extract libmemcached into target vendor directory.
-    curl -s -L -o tmp-libmemcached.tar.gz $VENDORED_MEMCACHED
+    curl $VENDORED_MEMCACHED -s | tar zxv -C .heroku/vendor &> /dev/null
-    tar -zxvf tmp-libmemcached.tar.gz > /dev/null
+
-    rm tmp-libmemcached.tar.gz
     export LIBMEMCACHED=$(pwd)/vendor
   fi
-
-  export LIBMEMCACHED=$(pwd)/vendor
-  cd ..
 fi
 
 bpwatch stop pylibmc_install

bin/steps/python

@@ -15,8 +15,7 @@ fi
 
 if [ ! $STACK = $CACHED_PYTHON_STACK ]; then
   bpwatch start uninstall_python
-    puts-step "Stack changed, re-installing runtime"
+    rm -fr .heroku/python .heroku/python-stack .heroku/vendor
-    rm -fr .heroku/python
     unset SKIP_INSTALL
   bpwatch stop uninstall_python
 fi
@@ -29,7 +28,7 @@ if [ ! "$SKIP_INSTALL" ]; then
     # Prepare destination directory.
     mkdir -p .heroku/python
 
-    curl http://lang-python.s3.amazonaws.com/$STACK/runtimes/$PYTHON_VERSION.tar.gz -s | tar zxv -C .heroku/python &> /dev/null
+    curl https://lang-python.s3.amazonaws.com/$STACK/runtimes/$PYTHON_VERSION.tar.gz -s | tar zxv -C .heroku/python &> /dev/null
     if [[ $? != 0 ]] ; then
       puts-warn "Requested runtime ($PYTHON_VERSION) is not available for this stack ($STACK)."
       puts-warn "Aborting.  More info: https://devcenter.heroku.com/articles/python-support"
@@ -52,22 +51,22 @@ if [ "$FRESH_PYTHON" ] || [[ ! $(pip --version) == *$PIP_VERSION* ]]; then
 
   bpwatch start prepare_environment
 
+  TMPTARDIR=$(mktemp -d)
+  trap "rm -rf $TMPTARDIR" RETURN
+
   bpwatch start install_setuptools
     # Prepare it for the real world
     # puts-step "Installing Setuptools ($SETUPTOOLS_VERSION)"
-    cd $ROOT_DIR/vendor/
+    tar zxf $ROOT_DIR/vendor/setuptools-$SETUPTOOLS_VERSION.tar.gz -C $TMPTARDIR
-    tar zxf setuptools-$SETUPTOOLS_VERSION.tar.gz
+    cd $TMPTARDIR/setuptools-$SETUPTOOLS_VERSION/
-    cd $ROOT_DIR/vendor/setuptools-$SETUPTOOLS_VERSION/
     python setup.py install &> /dev/null
     cd $WORKING_DIR
   bpwatch stop install_setuptoools
 
   bpwatch start install_pip
     # puts-step "Installing Pip ($PIP_VERSION)"
-
+    tar zxf $ROOT_DIR/vendor/pip-$PIP_VERSION.tar.gz -C $TMPTARDIR
-    cd $ROOT_DIR/vendor/
+    cd $TMPTARDIR/pip-$PIP_VERSION/
-    tar zxf pip-$PIP_VERSION.tar.gz
-    cd $ROOT_DIR/vendor/pip-$PIP_VERSION/
     python setup.py install &> /dev/null
     cd $WORKING_DIR
 

bin/steps/setuptools

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+# Syntax sugar.
+source $BIN_DIR/utils
+
+if (pip-grep -s requirements.txt setuptools distribute &> /dev/null) then
+
+  puts-warn 'The package setuptools/distribute is listed in requirements.txt.'
+  puts-warn 'Please remove to ensure expected behavior. '
+
+fi

bin/utils

@@ -11,6 +11,16 @@ indent() {
   sed "s/^/       /"
 }
 
+# Log output for warning detection
+log-output() (
+  while read LINE;
+  do
+    echo "$LINE"
+    echo "$LINE" >> "$WARNINGS_LOG"
+  done
+
+)
+
 # Clean up pip output
 cleanup() {
   sed -e 's/\.\.\.\+/.../g' | sed -e '/already satisfied/Id' | sed -e '/Overwriting/Id' | sed -e '/python executable/Id' | sed -e '/no previously-included files/Id'
@@ -36,7 +46,7 @@ set-default-env() {
   echo "export $1=\${$1:-$2}" >> $PROFILE_PATH
 }
 
-# Usage: $ set-default-env key value
+# Usage: $ un-set-env key
 un-set-env() {
   echo "unset $1" >> $PROFILE_PATH
 }
@@ -68,7 +78,7 @@ deep-rm() {
   # subshell to avoid surprising caller with shopts.
   (
     shopt -s dotglob
-    rm -rf "$1"/!(tmp|.|..)
+    rm -rf "$1"/!(.curlrc|.netrc|tmp|.|..)
   )
 }
 
@@ -91,3 +101,4 @@ sub-env() {
 
   )
 }
+

bin/warnings

@@ -0,0 +1,35 @@
+shopt -s extglob
+
+pylibmc-missing() {
+  if grep -qi 'fatal error: libmemcached/memcached.h: No such file or directory' "$WARNINGS_LOG"; then
+    puts-warn "Hello! There was a problem with your build related to libmemcache."
+    puts-warn "The Python library 'pylibmc' must be explicitly specified in 'requirements.txt' in order to build correctly."
+    puts-warn "Once you do that, everything should work as expected.   -- Much Love, Heroku."
+  fi
+}
+
+scipy-included() {
+  if grep -qi 'running setup.py install for scipy' "$WARNINGS_LOG"; then
+    puts-warn "Hello! It looks like you're trying to use scipy on Heroku."
+    puts-warn "Unfortunately, at this time, we do not directly support this library."
+    puts-warn "There is, however, a buildpack available that makes it possible to use it on Heroku."
+    puts-warn "You can learn more here:  https://devcenter.heroku.com/articles/python-c-deps"
+    puts-warn "Sorry for the inconvenience.   -- Much Love, Heroku."
+  fi
+}
+
+distribute-included() {
+  if grep -qi 'Running setup.py install for distribute' "$WARNINGS_LOG"; then
+    puts-warn "Hello! Your requirements.txt file contains the distribute package."
+    puts-warn "This library is automatically installed by Heroku and shouldn't be in"
+    puts-warn "Your requirements.txt file. This can cause unexpected behavior."
+    puts-warn "-- Much Love, Heroku."
+  fi
+}
+
+show-warnings() {
+  pylibmc-missing
+  scipy-included
+  distribute-included
+}
+

builds/libraries/autoconf

@@ -6,7 +6,7 @@ OUT_PREFIX=$1
 echo "Building autoconf..."
 
 
-SOURCE_TARBALL='http://ftp.gnu.org/gnu/autoconf/autoconf-2.68.tar.gz'
+SOURCE_TARBALL='https://ftp.gnu.org/gnu/autoconf/autoconf-2.68.tar.gz'
 curl -L $SOURCE_TARBALL | tar xz
 
 cd autoconf-2.68

builds/libraries/libffi

@@ -1,6 +1,5 @@
 #!/usr/bin/env bash
 # Build Path: /app/.heroku/python/
-# Build Deps: libraries/autoconf
 
 OUT_PREFIX=$1
 
@@ -11,14 +10,12 @@ hash -r
 
 echo "Building libffi..."
 
-SOURCE_TARBALL='https://github.com/atgreen/libffi/archive/master.tar.gz'
+SOURCE_TARBALL='https://cl.ly/2s1t1u3v0N0I/download/libffi-3.1.tar'
 
-curl -L $SOURCE_TARBALL | tar xz
+curl -L $SOURCE_TARBALL | tar x
-mv libffi-master libffi
 
-cd libffi
+cd libffi-3.1
-./autogen.sh
+./configure --prefix=$OUT_PREFIX --disable-static &&
-./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install
 

builds/libraries/sqlite

@@ -6,7 +6,7 @@ OUT_PREFIX=$1
 echo "Building SQLite..."
 
 
-SOURCE_TARBALL='http://www.sqlite.org/sqlite-autoconf-3070900.tar.gz'
+SOURCE_TARBALL='https://www.sqlite.org/sqlite-autoconf-3070900.tar.gz'
 
 curl $SOURCE_TARBALL | tar xz
 # jx

builds/libraries/vendor/gdal

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/vendor/
+
+OUT_PREFIX=$1
+
+# Use new path, containing autoconf.
+export PATH="/app/.heroku/python/bin/:$PATH"
+hash -r
+
+
+echo "Building gdal..."
+
+SOURCE_TARBALL='http://download.osgeo.org/gdal/1.11.0/gdal-1.11.0.tar.gz'
+
+curl -L $SOURCE_TARBALL | tar zx
+
+cd gdal-1.11.0
+./configure --prefix=$OUT_PREFIX  &&
+make
+make install
+
+# Cleanup
+cd ..

builds/libraries/vendor/libffi

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/vendor/
+
+OUT_PREFIX=$1
+
+# Use new path, containing autoconf.
+export PATH="/app/.heroku/python/bin/:$PATH"
+hash -r
+
+
+echo "Building libffi..."
+
+SOURCE_TARBALL='ftp://sourceware.org/pub/libffi/libffi-3.1.tar.gz'
+
+curl -L $SOURCE_TARBALL | tar x
+
+cd libffi-3.1
+./configure --prefix=$OUT_PREFIX --disable-static &&
+make
+make install
+
+# Cleanup
+cd ..

builds/libraries/vendor/libmemcache

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/vendor/
+
+OUT_PREFIX=$1
+
+# fail hard
+set -o pipefail
+# fail harder
+set -eux
+
+DEFAULT_VERSION="1.0.18"
+dep_version=${VERSION:-$DEFAULT_VERSION}
+dep_dirname=libmemcached-${dep_version}
+dep_archive_name=${dep_dirname}.tar.gz
+dep_url=https://launchpad.net/libmemcached/1.0/${dep_version}/+download/${dep_archive_name}
+
+# SASL Support.
+echo "-----> Building cyrus-sasl 2.1.26..."
+
+curl -LO ftp://ftp.cyrusimap.org/cyrus-sasl/cyrus-sasl-2.1.26.tar.gz
+# FTP doesn't play well with piping into tar xz
+tar xzf cyrus-sasl-2.1.26.tar.gz
+
+pushd cyrus-sasl-2.1.26
+./configure --prefix=${OUT_PREFIX} --with-plugindir=${OUT_PREFIX}lib/sasl2 --with-configdir=${OUT_PREFIX}lib/sasl2
+
+make -s -j 9
+make install -s
+popd
+
+echo "-----> Building libmemcached ${dep_version}..."
+
+curl -L ${dep_url} | tar xz
+pushd ${dep_dirname}
+CPPFLAGS=-I${OUT_PREFIX}/include LDFLAGS=-L${OUT_PREFIX}/lib ./configure --prefix=${OUT_PREFIX} --without-memcached
+make -s -j 9
+make install -s
+popd
+
+echo "-----> Done."

builds/runtimes/pypy-2.3

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 # Build Path: /app/.heroku/python/
-# Build Deps: libraries/sqlite
+# Build Deps: libraries/sqlite, libraries/libffi
 
 # NOTICE: This formula only works for the cedar-14 stack, not cedar.
 

builds/runtimes/pypy-2.4.0

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+# NOTICE: This formula only works for the cedar-14 stack, not cedar.
+
+OUT_PREFIX=$1
+
+echo "Building PyPy..."
+SOURCE_TARBALL='https://bitbucket.org/pypy/pypy/downloads/pypy-2.4.0-linux64.tar.bz2'
+curl -L $SOURCE_TARBALL | tar jx
+cp -R pypy-2.4.0-linux64/* $OUT_PREFIX
+
+ln $OUT_PREFIX/bin/pypy $OUT_PREFIX/bin/python

builds/runtimes/pypy-2.5.0

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+# NOTICE: This formula only works for the cedar-14 stack, not cedar.
+
+OUT_PREFIX=$1
+
+echo "Building PyPy..."
+SOURCE_TARBALL='https://bitbucket.org/pypy/pypy/downloads/pypy-2.5.0-linux64.tar.bz2'
+curl -L $SOURCE_TARBALL | tar jx
+cp -R pypy-2.5.0-linux64/* $OUT_PREFIX
+
+ln $OUT_PREFIX/bin/pypy $OUT_PREFIX/bin/python

builds/runtimes/pypy-2.5.1

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+# NOTICE: This formula only works for the cedar-14 stack, not cedar.
+
+OUT_PREFIX=$1
+
+echo "Building PyPy..."
+SOURCE_TARBALL='https://bitbucket.org/pypy/pypy/downloads/pypy-2.5.1-linux64.tar.bz2'
+curl -L $SOURCE_TARBALL | tar jx
+cp -R pypy-2.5.1-linux64/* $OUT_PREFIX
+
+ln $OUT_PREFIX/bin/pypy $OUT_PREFIX/bin/python

builds/runtimes/pypy-2.6.0

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+# NOTICE: This formula only works for the cedar-14 stack, not cedar.
+
+OUT_PREFIX=$1
+
+echo "Building PyPy..."
+SOURCE_TARBALL='https://bitbucket.org/pypy/pypy/downloads/pypy-2.6.0-linux64.tar.bz2'
+curl -L $SOURCE_TARBALL | tar jx
+cp -R pypy-2.6.0-linux64/* $OUT_PREFIX
+
+ln $OUT_PREFIX/bin/pypy $OUT_PREFIX/bin/python

builds/runtimes/pypy-2.6.1

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+# NOTICE: This formula only works for the cedar-14 stack, not cedar.
+
+OUT_PREFIX=$1
+
+echo "Building PyPy..."
+SOURCE_TARBALL='https://bitbucket.org/pypy/pypy/downloads/pypy-2.6.1-linux64.tar.bz2'
+curl -L $SOURCE_TARBALL | tar jx
+cp -R pypy-2.6.1-linux64/* $OUT_PREFIX
+
+ln $OUT_PREFIX/bin/pypy $OUT_PREFIX/bin/python

builds/runtimes/pypy-4.0.0

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+# NOTICE: This formula only works for the cedar-14 stack, not cedar.
+
+OUT_PREFIX=$1
+
+echo "Building PyPy..."
+SOURCE_TARBALL='https://bitbucket.org/pypy/pypy/downloads/pypy-4.0.0-linux64.tar.bz2'
+curl -L $SOURCE_TARBALL | tar jx
+cp -R pypy-4.0.0-linux64/* $OUT_PREFIX
+
+ln $OUT_PREFIX/bin/pypy $OUT_PREFIX/bin/python

builds/runtimes/pypy3-2.4.0

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+# NOTICE: This formula only works for the cedar-14 stack, not cedar.
+
+OUT_PREFIX=$1
+
+echo "Building PyPy..."
+SOURCE_TARBALL='https://bitbucket.org/pypy/pypy/downloads/pypy3-2.4.0-linux64.tar.bz2'
+curl -L $SOURCE_TARBALL | tar jx
+cp -R pypy3-2.4.0-linux64/* $OUT_PREFIX
+
+ln $OUT_PREFIX/bin/pypy3 $OUT_PREFIX/bin/python

builds/runtimes/python-2.4.4

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.4.4/Python-2.4.4.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.4.5

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.4.5/Python-2.4.5.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.4.6

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.4.6/Python-2.4.6.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.5.0

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5/Python-2.5.tgz'
+SOURCE_TARBALL='https://python.org/ftp/python/2.5/Python-2.5.tgz'
 curl -L $SOURCE_TARBALL | tar xz
 mv Python-2.5 src
 cd src

builds/runtimes/python-2.5.1

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.1/Python-2.5.1.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.5.2

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.2/Python-2.5.2.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.5.3

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.3/Python-2.5.3.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.5.4

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.4/Python-2.5.4.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.5.5

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.5/Python-2.5.5.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.5.6

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.6/Python-2.5.6.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.6.0

@@ -10,7 +10,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://www.python.org/ftp/python/2.6/Python-2.6.tar.bz2'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.6.1

@@ -10,7 +10,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.1/Python-2.6.1.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.6.2

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.2/Python-2.6.2.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.6.3

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.3/Python-2.6.3.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.6.4

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.4/Python-2.6.4.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.6.5

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.5/Python-2.6.5.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.6.6

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.6/Python-2.6.6.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.6.7

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.7/Python-2.6.7.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.6.8

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.8/Python-2.6.8.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.6.9

@@ -8,7 +8,7 @@ OUT_PREFIX=$1
 unset LANG PYTHONHOME PYTHONPATH
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.6.9/Python-2.6.9.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.7.0

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7/Python-2.7.tgz'
+SOURCE_TARBALL='https://python.org/ftp/python/2.7/Python-2.7.tgz'
 curl -L $SOURCE_TARBALL | tar xz
 mv Python-2.7 src
 cd src

builds/runtimes/python-2.7.1

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.1/Python-2.7.1.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.7.10

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+OUT_PREFIX=$1
+
+echo "Building Python..."
+SOURCE_TARBALL='https://python.org/ftp/python/2.7.10/Python-2.7.10.tgz'
+curl -L $SOURCE_TARBALL | tar xz
+mv Python-2.7.10 src
+cd src
+
+./configure --prefix=$OUT_PREFIX  --with-ensurepip=no
+make
+make install

builds/runtimes/python-2.7.11

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+OUT_PREFIX=$1
+
+echo "Building Python..."
+SOURCE_TARBALL='https://python.org/ftp/python/2.7.11/Python-2.7.11.tgz'
+curl -L $SOURCE_TARBALL | tar xz
+mv Python-2.7.11 src
+cd src
+
+./configure --prefix=$OUT_PREFIX  --with-ensurepip=no
+make
+make install

builds/runtimes/python-2.7.11rc1

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+OUT_PREFIX=$1
+
+echo "Building Python..."
+SOURCE_TARBALL='https://www.python.org/ftp/python/2.7.11/Python-2.7.11rc1.tgz'
+curl -L $SOURCE_TARBALL | tar xz
+mv Python-2.7.11rc1 src
+cd src
+
+./configure --prefix=$OUT_PREFIX  --with-ensurepip=no
+make
+make install

builds/runtimes/python-2.7.2

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.2/Python-2.7.2.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.7.3

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.3/Python-2.7.3.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.7.4

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.4/Python-2.7.4.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.7.5

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.5/Python-2.7.5.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.7.6

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.6/Python-2.7.6.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.7.7

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.7/Python-2.7.7.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.7.7-shared

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.7/Python-2.7.7.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.7.8

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.8/Python-2.7.8.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-2.7.8-shared

@@ -5,11 +5,11 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.7.8/Python-2.7.8.tgz'
+SOURCE_TARBALL='https://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
 
-./configure --prefix=$OUT_PREFIX
+./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install

builds/runtimes/python-2.7.9

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+OUT_PREFIX=$1
+
+echo "Building Python..."
+SOURCE_TARBALL='https://python.org/ftp/python/2.7.9/Python-2.7.9.tgz'
+curl -L $SOURCE_TARBALL | tar xz
+mv Python-2.7.9 src
+cd src
+
+./configure --prefix=$OUT_PREFIX  --with-ensurepip=no
+make
+make install

builds/runtimes/python-3.1.0

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1/Python-3.1.tgz'
+SOURCE_TARBALL='https://python.org/ftp/python/3.1/Python-3.1.tgz'
 curl -L $SOURCE_TARBALL | tar xz
 mv Python-3.1 src
 cd src

builds/runtimes/python-3.1.1

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1.1/Python-3.1.1.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.1.2

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1.2/Python-3.1.2.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.1.3

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1.3/Python-3.1.3.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.1.4

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1.4/Python-3.1.4.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.1.5

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1.5/Python-3.1.5.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.2.0

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2/Python-3.2.tgz'
+SOURCE_TARBALL='https://python.org/ftp/python/3.2/Python-3.2.tgz'
 curl -L $SOURCE_TARBALL | tar xz
 mv Python-3.2 src
 cd src

builds/runtimes/python-3.2.1

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2.1/Python-3.2.1.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.2.2

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2.2/Python-3.2.2.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.2.3

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2.3/Python-3.2.3.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.2.4

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2.4/Python-3.2.4.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.2.5

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.2.5/Python-3.2.5.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.3.0

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.0/Python-3.3.0.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.3.1

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.1/Python-3.3.1.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.3.2

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.2/Python-3.3.2.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.3.3

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.3/Python-3.3.3.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.3.4

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.4/Python-3.3.4.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.3.5

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.3.5/Python-3.3.5.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.3.6

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+OUT_PREFIX=$1
+
+echo "Building Python..."
+SOURCE_TARBALL='https://python.org/ftp/python/3.3.6/Python-3.3.6.tgz'
+curl -L $SOURCE_TARBALL | tar xz
+mv Python-3.3.6 src
+cd src
+
+./configure --prefix=$OUT_PREFIX --enable-shared
+make
+make install
+
+ln $OUT_PREFIX/bin/python3 $OUT_PREFIX/bin/python

builds/runtimes/python-3.4.0

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.4.0/Python-3.4.0.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.4.1

@@ -5,7 +5,7 @@
 OUT_PREFIX=$1
 
 echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.4.1/Python-3.4.1.tgz'
+SOURCE_TARBALL='https://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

builds/runtimes/python-3.4.2

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+OUT_PREFIX=$1
+
+echo "Building Python..."
+SOURCE_TARBALL='https://python.org/ftp/python/3.4.2/Python-3.4.2.tgz'
+curl -L $SOURCE_TARBALL | tar xz
+mv Python-3.4.2 src
+cd src
+
+./configure --prefix=$OUT_PREFIX --with-ensurepip=no --enable-shared
+make
+make install
+
+ln $OUT_PREFIX/bin/python3 $OUT_PREFIX/bin/python
+

builds/runtimes/python-3.4.3

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+OUT_PREFIX=$1
+
+echo "Building Python..."
+SOURCE_TARBALL='https://python.org/ftp/python/3.4.3/Python-3.4.3.tgz'
+curl -L $SOURCE_TARBALL | tar xz
+mv Python-3.4.3 src
+cd src
+
+./configure --prefix=$OUT_PREFIX --with-ensurepip=no --enable-shared
+make
+make install
+
+ln $OUT_PREFIX/bin/python3 $OUT_PREFIX/bin/python
+

builds/runtimes/python-3.5.0

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+OUT_PREFIX=$1
+
+echo "Building Python..."
+SOURCE_TARBALL='https://python.org/ftp/python/3.5.0/Python-3.5.0.tgz'
+curl -L $SOURCE_TARBALL | tar xz
+mv Python-3.5.0 src
+cd src
+
+./configure --prefix=$OUT_PREFIX --with-ensurepip=no --enable-shared
+make
+make install
+
+ln $OUT_PREFIX/bin/python3 $OUT_PREFIX/bin/python
+

builds/runtimes/python-3.5.1

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+OUT_PREFIX=$1
+
+echo "Building Python..."
+SOURCE_TARBALL='https://python.org/ftp/python/3.5.1/Python-3.5.1.tgz'
+curl -L $SOURCE_TARBALL | tar xz
+mv Python-3.5.1 src
+cd src
+
+./configure --prefix=$OUT_PREFIX --with-ensurepip=no --enable-shared
+make
+make install
+
+ln $OUT_PREFIX/bin/python3 $OUT_PREFIX/bin/python
+

vendor/pip-pop/pip-diff

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 """Usage:
-  pip-diff (--fresh | --stale) <reqfile1> <reqfile2>
+  pip-diff (--fresh | --stale) <reqfile1> <reqfile2> [--exclude <package>...]
   pip-diff (-h | --help)
 
 Options:
@@ -13,6 +13,10 @@ Options:
 import os
 from docopt import docopt
 from pip.req import parse_requirements
+from pip.index import PackageFinder
+from pip._vendor.requests import session
+
+requests = session()
 
 class Requirements(object):
     def __init__(self, reqfile=None):
@@ -31,12 +35,13 @@ class Requirements(object):
         if not os.path.exists(reqfile):
             raise ValueError('The given requirements file does not exist.')
 
-        for requirement in parse_requirements(reqfile):
+        finder = PackageFinder([], [], session=requests)
+        for requirement in parse_requirements(reqfile, finder=finder, session=requests):
             if requirement.req:
                 self.requirements.append(requirement.req)
 
 
-    def diff(self, requirements, ignore_versions=False):
+    def diff(self, requirements, ignore_versions=False, excludes=None):
         r1 = self
         r2 = requirements
         results = {'fresh': [], 'stale': []}
@@ -50,7 +55,7 @@ class Requirements(object):
         for req in r2.requirements:
             r = req.project_name if ignore_versions else req
 
-            if r not in other_reqs:
+            if r not in other_reqs and r not in excludes:
                 results['fresh'].append(req)
 
         # Generate stale packages.
@@ -62,7 +67,7 @@ class Requirements(object):
         for req in r1.requirements:
             r = req.project_name if ignore_versions else req
 
-            if r not in other_reqs:
+            if r not in other_reqs and r not in excludes:
                 results['stale'].append(req)
 
         return results
@@ -71,26 +76,27 @@ class Requirements(object):
 
 
 
-def diff(r1, r2, include_fresh=False, include_stale=False):
+def diff(r1, r2, include_fresh=False, include_stale=False, excludes=None):
 
     include_versions = True if include_stale else False
+    excludes = excludes if len(excludes) else []
 
     try:
         r1 = Requirements(r1)
         r2 = Requirements(r2)
     except ValueError:
-        print 'There was a problem loading the given requirements files.'
+        print('There was a problem loading the given requirements files.')
         exit(os.EX_NOINPUT)
 
-    results = r1.diff(r2, ignore_versions=True)
+    results = r1.diff(r2, ignore_versions=True, excludes=excludes)
 
     if include_fresh:
         for line in results['fresh']:
-            print line.project_name if include_versions else line
+            print(line.project_name if include_versions else line)
 
     if include_stale:
         for line in results['stale']:
-            print line.project_name if include_versions else line
+            print(line.project_name if include_versions else line)
 
 
 
@@ -101,7 +107,8 @@ def main():
         'r1': args['<reqfile1>'],
         'r2': args['<reqfile2>'],
         'include_fresh': args['--fresh'],
-        'include_stale': args['--stale']
+        'include_stale': args['--stale'],
+        'excludes': args['<package>']
     }
 
     diff(**kwargs)

vendor/pip-pop/pip-grep

@@ -10,6 +10,10 @@ Options:
 import os
 from docopt import docopt
 from pip.req import parse_requirements
+from pip.index import PackageFinder
+from pip._vendor.requests import session
+
+requests = session()
 
 class Requirements(object):
     def __init__(self, reqfile=None):
@@ -28,7 +32,8 @@ class Requirements(object):
         if not os.path.exists(reqfile):
             raise ValueError('The given requirements file does not exist.')
 
-        for requirement in parse_requirements(reqfile):
+        finder = PackageFinder([], [], session=requests)
+        for requirement in parse_requirements(reqfile, finder=finder, session=requests):
             self.requirements.append(requirement)
 
 
@@ -39,8 +44,10 @@ def grep(reqfile, packages, silent=False):
     try:
         r = Requirements(reqfile)
     except ValueError:
+
         if not silent:
-            print 'There was a problem loading the given requirement file.'
+            print('There was a problem loading the given requirement file.')
+
         exit(os.EX_NOINPUT)
 
     for requirement in r.requirements:
@@ -48,11 +55,15 @@ def grep(reqfile, packages, silent=False):
         if requirement.req:
 
             if requirement.req.project_name in packages:
+
                 if not silent:
-                    print 'Package {} found!'.format(requirement.req.project_name)
+                    print('Package {} found!'.format(requirement.req.project_name))
+
                 exit(0)
 
-    print 'Not found.'.format(requirement.req.project_name)
+    if not silent:
+        print('Not found.'.format(requirement.req.project_name))
+
     exit(1)
 
 

vendor/python.webconcurrency.sh

@@ -0,0 +1,27 @@
+case $(ulimit -u) in
+
+# 1X DYNO
+256)
+  export DYNO_RAM=512
+  export WEB_CONCURRENCY=${WEB_CONCURRENCY:-2}
+  ;;
+
+# 2X DYNO
+512)
+  export DYNO_RAM=1024
+  export WEB_CONCURRENCY=${WEB_CONCURRENCY:-4}
+  ;;
+
+# IX DYNO
+16384)
+  export DYNO_RAM=2560
+  export WEB_CONCURRENCY=${WEB_CONCURRENCY:-8}
+  ;;
+
+# PX DYNO
+32768)
+  export DYNO_RAM=6656
+  export WEB_CONCURRENCY=${WEB_CONCURRENCY:-11}
+  ;;
+
+esac