Call pip install before running server.

tornado/setup_pg.py

@@ -1,25 +1,29 @@
-from os.path import expanduser
-from os import kill
+import os
 import subprocess
 import sys
 import time
 
 
-python = expanduser('~/FrameworkBenchmarks/installs/py2/bin/python')
-cwd = expanduser('~/FrameworkBenchmarks/tornado')
+bin_dir = os.path.expanduser('~/FrameworkBenchmarks/installs/py2/bin')
+python = os.path.expanduser(os.path.join(bin_dir, 'python'))
+pip = os.path.expanduser(os.path.join(bin_dir, 'pip'))
+cwd = os.path.expanduser('~/FrameworkBenchmarks/tornado')
 
 
 def start(args, logfile, errfile):
+    subprocess.call(pip + ' install -r requirements.txt', cwd=cwd, shell=True, stderr=errfile, stdout=logfile)
+
     subprocess.Popen(
-        python + " server.py --port=8080 --postgres=%s --logging=error" % (args.database_host,),
+        python + ' server.py --port=8080 --postgres=%s --logging=error' % (args.database_host,),
         shell=True, cwd=cwd, stderr=errfile, stdout=logfile)
     return 0
 
+
 def stop(logfile, errfile):
-    for line in subprocess.check_output(["ps", "aux"]).splitlines():
+    for line in subprocess.check_output(['ps', 'aux']).splitlines():
         if 'server.py --port=8080' in line:
-            pid = int(line.split(None,2)[1])
-            kill(pid, 9)
+            pid = int(line.split(None, 2)[1])
+            os.kill(pid, 9)
     return 0
 
 if __name__ == '__main__':