added pull code

git_actions.py

@@ -0,0 +1,38 @@
+import os
+from lib.gitstats import GitDataCollector
+
+"""
+
+>>> pull_project("utkarsh2012", "python-ebay")
+
+"""
+
+def pull_project(user_name, project):
+    os.system('git clone https://github.com/' + user_name + '/' + project + '.git')
+    project_dir = os.getcwd() + '/' + project
+    print project_dir
+
+    if os.path.exists(project_dir):
+        call_gitstats(project_dir)
+    else:
+        return "Git repo does not exist!"
+
+
+def call_gitstats(project_folder):
+    data_collector = GitDataCollector()
+    data = data_collector.collect(project_folder)
+    _rm_rf(project_folder)
+    return data
+
+
+def _rm_rf(d):
+    for path in (os.path.join(d, f) for f in os.listdir(d)):
+        if os.path.isdir(path):
+            _rm_rf(path)
+        else:
+            os.unlink(path)
+    os.rmdir(d)
+
+
+if __name__ == "__main__":
+   pull_project("utkarsh2012", "python-ebay")