add instagram compliance fix

Author: AdamGold

requests_oauthlib/compliance_fixes/instagram.py

@@ -0,0 +1,30 @@
+try:
+    from urlparse import urlparse, parse_qs
+except ImportError:
+    from urllib.parse import urlparse, parse_qs
+
+from oauthlib.common import add_params_to_uri
+
+
+def instagram_compliance_fix(session):
+    def _non_compliant_param_name(url, headers, data):
+        # If the user has already specified the token, either in the URL
+        # or in a data dictionary, then there's nothing to do.
+        # If the specified token is different from ``session.access_token``,
+        # we assume the user intends to override the access token.
+        url_query = dict(parse_qs(urlparse(url).query))
+        token = url_query.get("token")
+        if not token and isinstance(data, dict):
+            token = data.get("token")
+
+        if token:
+            # Nothing to do, just return.
+            return url, headers, data
+
+        token = [('access_token', session.access_token)]
+        url = add_params_to_uri(url, token)
+        return url, headers, data
+
+    session.register_compliance_hook(
+        'protected_request', _non_compliant_param_name)
+    return session