Added dependency checker

datasploit.py

@@ -1,5 +1,8 @@
 #!/usr/bin/env python
 
+import dep_check
+dep_check.check_dependency()
+
 import re
 import sys
 import shutil

dep_check.py

@@ -0,0 +1,21 @@
+import pip
+import sys
+
+def check_dependency():
+    list_deps = []
+    missing_deps = []
+
+    with open('requirements.txt') as f:
+        list_deps = f.read().splitlines()
+
+    pip_list = sorted([(i.key) for i in pip.get_installed_distributions()])
+
+    for req_dep in list_deps:
+        if req_dep not in pip_list:
+            missing_deps.append(req_dep)
+
+    if missing_deps:
+        print missing_deps
+        print "You are missing a module for Datasploit. Please install them using: "
+        print "pip install -r requirements.txt"
+        sys.exit()