new pylibmc test

/cc @alexclark

bin/compile

@@ -1,34 +1,10 @@
 #!/usr/bin/env bash
 
-# This script serves as 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.
-#
-# You can intreract with the Heroku API directly with [heroku.py](https://github.com/heroku/heroku.py/).
-#
-# See also: [Release history](/changelog.html), [Detection](/detect.html).
-#
-# ## Usage
-# Compiling an app into a slug is simple:
+# Usage:
 #
 #     $ bin/compile <build-dir> <cache-dir>
 
 
-# ## Assumptions
-#
-# This buildpack makes the following assumptions:
-#
-# - The desired Python VM is available on the base system.
-# - Library dependencies are available on the base system.
-# - Django applications should not require any platform-specific configuration.
-
-# <hr />
-
-# ## Context
-
 # Fail fast and fail hard.
 set -eo pipefail
 
@@ -79,9 +55,9 @@ BUILD_DIR=$APP_DIR
 # Prepend proper path buildpack use.
 export PATH=$BUILD_DIR/.heroku/python/bin:$PATH
 export PYTHONUNBUFFERED=1
-
-# ## Build Time
-#
+export LANG=en_US.UTF-8
+export LIBRARY_PATH=/app/.heroku/vendor/lib
+export LD_LIBRARY_PATH=/app/.heroku/vendor/lib
 
 # Switch to the repo's context.
 cd $BUILD_DIR
@@ -171,7 +147,7 @@ set -e
 source $BIN_DIR/steps/pylibmc
 
 # Install Mercurial if it appears to be required.
-if (in-req "hg+" requirements.txt) then
+if (grep -Fiq "hg+" requirements.txt) then
   pip install --use-mirrors mercurial | cleanup | indent
 fi
 
@@ -193,14 +169,13 @@ done
 
 # Set context environment variables.
 set-env PATH '$HOME/.heroku/python/bin:$PATH'
-# set-env PYTHONHOME /app/.heroku/python/
 set-env PYTHONUNBUFFERED true
+set-env PYTHONHOME /app/.heroku/python
 set-default-env LIBRARY_PATH /app/.heroku/vendor/lib
 set-default-env LD_LIBRARY_PATH /app/.heroku/vendor/lib
 set-default-env LANG en_US.UTF-8
 set-default-env PYTHONHASHSEED random
 set-default-env PYTHONPATH /app/
-un-set-env PYTHONHOME
 
 
 # Experimental post_compile hook.

bin/steps/pylibmc

@@ -16,7 +16,7 @@ VENDORED_MEMCACHED="http://cl.ly/0a191R3K160t1w1P0N25/vendor-libmemcached.tar.gz
 source $BIN_DIR/utils
 
 # If pylibmc exists within requirements, use vendored libmemcached.
-if (in-req "pylibmc" requirements.txt) then
+if (grep -Fiq "pylibmc" requirements.txt) then
   echo "-----> Noticed pylibmc. Bootstrapping libmemcached."
   cd .heroku
 

bin/utils

@@ -52,25 +52,3 @@ function deep-mv (){
   rm -fr $1/!(tmp)
   find -H $1 -maxdepth 1 -name '.*' -a \( -type d -o -type f -o -type l \) -exec rm -fr '{}' \;
 }
-
-# Recursively finds requirements.txt files
-function list-req (){
-  echo $@
-  for req in $(grep -Fie "-r " $@ | sed 's/-r //g')
-    do
-      path="$(dirname $@)/$req"
-      list-req $path
-    done
-}
-
-# Find pattern in requirements files recursively
-# Usage: $ in-req pattern file
-function in-req (){
-  for file in $(list-req $2)
-    do
-      if (grep -Fiqe "$1" "$file") then
-        return 0
-      fi
-    done
-  return 1
-}

test/pylibmc/requirements.txt

@@ -0,0 +1,2 @@
+pylibmc
+psycopg2