1 files changed, 84 insertions, 0 deletions
diff --git a/requests/sessions.py b/requests/sessions.py
new file mode 100644
index 0000000..50b09f6
--- /dev/null
+++ b/requests/sessions.py
@@ -0,0 +1,84 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.session
+~~~~~~~~~~~~~~~
+
+This module provides a Session object to manage and persist settings across
+requests (cookies, auth, proxies).
+
+"""
+
+import cookielib
+
+from . import api
+from .utils import add_dict_to_cookiejar
+
+
+
+class Session(object):
+    """A Requests session."""
+
+    __attrs__ = ['headers', 'cookies', 'auth', 'timeout', 'proxies', 'hooks']
+
+
+    def __init__(self, **kwargs):
+
+        # Set up a CookieJar to be used by default
+        self.cookies = cookielib.FileCookieJar()
+
+        # Map args from kwargs to instance-local variables
+        map(lambda k, v: (k in self.__attrs__) and setattr(self, k, v),
+                kwargs.iterkeys(), kwargs.itervalues())
+
+        # Map and wrap requests.api methods
+        self._map_api_methods()
+
+
+    def __repr__(self):
+        return '<requests-client at 0x%x>' % (id(self))
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        # print args
+        pass
+
+
+    def _map_api_methods(self):
+        """Reads each available method from requests.api and decorates
+        them with a wrapper, which inserts any instance-local attributes
+        (from __attrs__) that have been set, combining them with **kwargs.
+        """
+
+        def pass_args(func):
+            def wrapper_func(*args, **kwargs):
+                inst_attrs = dict((k, v) for k, v in self.__dict__.iteritems()
+                        if k in self.__attrs__)
+                # Combine instance-local values with kwargs values, with
+                # priority to values in kwargs
+                kwargs = dict(inst_attrs.items() + kwargs.items())
+
+                # If a session request has a cookie_dict, inject the
+                # values into the existing CookieJar instead.
+                if isinstance(kwargs.get('cookies', None), dict):
+                    kwargs['cookies'] = add_dict_to_cookiejar(
+                        inst_attrs['cookies'], kwargs['cookies']
+                    )
+
+                if kwargs.get('headers', None) and inst_attrs.get('headers', None):
+                    kwargs['headers'].update(inst_attrs['headers'])
+
+                return func(*args, **kwargs)
+            return wrapper_func
+
+        # Map and decorate each function available in requests.api
+        map(lambda fn: setattr(self, fn, pass_args(getattr(api, fn))),
+                api.__all__)
+
+
+def session(**kwargs):
+    """Returns a :class:`Session` for context-managment."""
+
+    return Session(**kwargs)
+\ No newline at end of file