Adding Requests library

lib/requests/hooks.py

@@ -0,0 +1,49 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.hooks
+~~~~~~~~~~~~~~
+
+This module provides the capabilities for the Requests hooks system.
+
+Available hooks:
+
+``args``:
+    A dictionary of the arguments being sent to Request().
+
+``pre_request``:
+    The Request object, directly after being created.
+
+``pre_send``:
+    The Request object, directly before being sent.
+
+``post_request``:
+    The Request object, directly after being sent.
+
+``response``:
+    The response generated from a Request.
+
+"""
+
+
+HOOKS = ('args', 'pre_request', 'pre_send', 'post_request', 'response')
+
+
+def dispatch_hook(key, hooks, hook_data):
+    """Dispatches a hook dictionary on a given piece of data."""
+
+    hooks = hooks or dict()
+
+    if key in hooks:
+        hooks = hooks.get(key)
+
+        if hasattr(hooks, '__call__'):
+            hooks = [hooks]
+
+        for hook in hooks:
+            _hook_data = hook(hook_data)
+            if _hook_data is not None:
+                hook_data = _hook_data
+
+
+    return hook_data