Adding Requests library

lib/requests/packages/oauthlib/oauth2/draft25/utils.py

@@ -0,0 +1,39 @@
+"""
+oauthlib.utils
+~~~~~~~~~~~~~~
+
+This module contains utility methods used by various parts of the OAuth 2 spec.
+"""
+
+import urllib
+import urlparse
+
+
+def host_from_uri(uri):
+    """Extract hostname and port from URI.
+
+    Will use default port for HTTP and HTTPS if none is present in the URI.
+    """
+    default_ports = {
+        u'HTTP': u'80',
+        u'HTTPS': u'443',
+    }
+
+    sch, netloc, path, par, query, fra = urlparse.urlparse(uri)
+    if u':' in netloc:
+        netloc, port = netloc.split(u':', 1)
+    else:
+        port = default_ports.get(sch.upper())
+
+    return netloc, port
+
+
+def escape(u):
+    """Escape a string in an OAuth-compatible fashion.
+
+    TODO: verify whether this can in fact be used for OAuth 2
+
+    """
+    if not isinstance(u, unicode):
+        raise ValueError('Only unicode objects are escapable.')
+    return urllib.quote(u.encode('utf-8'), safe='~')