From 0086f97b6553ac323565e8653eae678e380219ae Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.com>
Date: Sun, 13 Nov 2011 00:36:22 -0500
Subject: [PATCH] Guess filename.

Closes #192
---
 requests/models.py | 5 +++--
 requests/utils.py  | 6 ++++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/requests/models.py b/requests/models.py
index e70d9db8..79a15fc2 100644
--- a/requests/models.py
+++ b/requests/models.py
@@ -28,7 +28,7 @@ from .exceptions import (
     Timeout, URLRequired, TooManyRedirects, HTTPError, ConnectionError)
 from .utils import (
     get_unicode_from_response, stream_decode_response_unicode,
-    decode_gzip, stream_decode_gzip)
+    decode_gzip, stream_decode_gzip, guess_filename)
 
 
 
@@ -346,7 +346,8 @@ class Request(object):
                     fields = dict(self.data)
 
                 for (k, v) in self.files.items():
-                    fields.update({k: (k, v.read())})
+                    fields.update({k: (guess_filename(k) or k, v.read())})
+
                 (body, content_type) = encode_multipart_formdata(fields)
             else:
                 pass
diff --git a/requests/utils.py b/requests/utils.py
index bd7dead4..0249e9d6 100644
--- a/requests/utils.py
+++ b/requests/utils.py
@@ -20,6 +20,12 @@ import zlib
 from urllib2 import parse_http_list as _parse_list_header
 
 
+def guess_filename(obj):
+    """Tries to guess the filename of the given object."""
+    name = getattr(obj, 'name', None)
+    if name and name[0] != '<' and name[-1] != '>':
+        return name
+
 # From mitsuhiko/werkzeug (used with permission).
 def parse_list_header(value):
     """Parse lists as described by RFC 2068 Section 2.