hadapi, util: Re-locate body parsing

We'll need it in the server for requesting POST/PUT bodies too.

hadsh/hadapi/hadapi.py

@@ -10,13 +10,13 @@ from tornado.gen import coroutine, Return, sleep
 from tornado.locks import Semaphore
 from enum import Enum
 
+from ..util import decode_body
+
 try:
     from urllib import parse as urlparse
 except ImportError:
     import urlparse
 
-from cgi import parse_header
-
 
 class UserSortBy(Enum):
     influence='influence'
@@ -120,12 +120,8 @@ class HackadayAPI(object):
         """
         Decode a given reponse body.
         """
-        # Ideally, encoding should be in the content type
-        (ct, ctopts) = parse_header(response.headers['Content-Type'])
-        encoding = ctopts.get('charset', default_encoding)
-
-        # Return the decoded payload along with the content-type.
-        return (ct, ctopts, response.body.decode(encoding))
+        return decode_body(response.headers['Content-Type'], response.body,
+                default_encoding)
 
     @coroutine
     def _api_call(self, uri, query=None, token=None, api_key=True, **kwargs):

hadsh/util.py

@@ -0,0 +1,12 @@
+from cgi import parse_header
+
+def decode_body(content_type, body_data, default_encoding='UTF-8'):
+    """
+    Decode a given reponse body.
+    """
+    # Ideally, encoding should be in the content type
+    (ct, ctopts) = parse_header(content_type)
+    encoding = ctopts.get('charset', default_encoding)
+
+    # Return the decoded payload along with the content-type.
+    return (ct, ctopts, body_data.decode(encoding))