Merge pull request #1 from tomchristie/master

Merge in from upstream

1 files changed, 25 insertions, 0 deletions

diff --git a/rest_framework/utils/urls.py b/rest_framework/utils/urls.py
new file mode 100644
index 00000000..880ef9ed
--- /dev/null
+++ b/rest_framework/utils/urls.py
@@ -0,0 +1,25 @@
+from django.utils.six.moves.urllib import parse as urlparse
+
+
+def replace_query_param(url, key, val):
+    """
+    Given a URL and a key/val pair, set or replace an item in the query
+    parameters of the URL, and return the new URL.
+    """
+    (scheme, netloc, path, query, fragment) = urlparse.urlsplit(url)
+    query_dict = urlparse.parse_qs(query)
+    query_dict[key] = [val]
+    query = urlparse.urlencode(sorted(list(query_dict.items())), doseq=True)
+    return urlparse.urlunsplit((scheme, netloc, path, query, fragment))
+
+
+def remove_query_param(url, key):
+    """
+    Given a URL and a key/val pair, remove an item in the query
+    parameters of the URL, and return the new URL.
+    """
+    (scheme, netloc, path, query, fragment) = urlparse.urlsplit(url)
+    query_dict = urlparse.parse_qs(query)
+    query_dict.pop(key, None)
+    query = urlparse.urlencode(sorted(list(query_dict.items())), doseq=True)
+    return urlparse.urlunsplit((scheme, netloc, path, query, fragment))