1 files changed, 53 insertions, 0 deletions
diff --git a/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/venv.py b/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/venv.py
new file mode 100755
index 00000000..708abb05
--- /dev/null
+++ b/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/venv.py
@@ -0,0 +1,53 @@
+"""Tools for working with virtualenv environments"""
+
+import os
+import sys
+import subprocess
+from pip.exceptions import BadCommand
+from pip.log import logger
+
+
+def restart_in_venv(venv, base, site_packages, args):
+    """
+    Restart this script using the interpreter in the given virtual environment
+    """
+    if base and not os.path.isabs(venv) and not venv.startswith('~'):
+        base = os.path.expanduser(base)
+        # ensure we have an abs basepath at this point:
+        #    a relative one makes no sense (or does it?)
+        if os.path.isabs(base):
+            venv = os.path.join(base, venv)
+
+    if venv.startswith('~'):
+        venv = os.path.expanduser(venv)
+
+    if not os.path.exists(venv):
+        try:
+            import virtualenv
+        except ImportError:
+            print 'The virtual environment does not exist: %s' % venv
+            print 'and virtualenv is not installed, so a new environment cannot be created'
+            sys.exit(3)
+        print 'Creating new virtualenv environment in %s' % venv
+        virtualenv.logger = logger
+        logger.indent += 2
+        virtualenv.create_environment(venv, site_packages=site_packages)
+    if sys.platform == 'win32':
+        python = os.path.join(venv, 'Scripts', 'python.exe')
+        # check for bin directory which is used in buildouts
+        if not os.path.exists(python):
+            python = os.path.join(venv, 'bin', 'python.exe')
+    else:
+        python = os.path.join(venv, 'bin', 'python')
+    if not os.path.exists(python):
+        python = venv
+    if not os.path.exists(python):
+        raise BadCommand('Cannot find virtual environment interpreter at %s' % python)
+    base = os.path.dirname(os.path.dirname(python))
+    file = os.path.join(os.path.dirname(__file__), 'runner.py')
+    if file.endswith('.pyc'):
+        file = file[:-1]
+    proc = subprocess.Popen(
+        [python, file] + args + [base, '___VENV_RESTART___'])
+    proc.wait()
+    sys.exit(proc.returncode)