From d87a80dca6fd8408df6de4b6092f86dbe248aaf5 Mon Sep 17 00:00:00 2001
From: robk-tahoe <robk-tahoe@allmydata.com>
Date: Thu, 10 Jan 2008 20:43:42 -0700
Subject: [PATCH] added is_uri() function to allmydata.uri

---
 src/allmydata/uri.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/allmydata/uri.py b/src/allmydata/uri.py
index 66a1874b..51ebec87 100644
--- a/src/allmydata/uri.py
+++ b/src/allmydata/uri.py
@@ -434,6 +434,13 @@ def from_string(s):
 
 registerAdapter(from_string, str, IURI)
 
+def is_uri(s):
+    try:
+        uri = from_string(s)
+        return True
+    except (TypeError, AssertionError):
+        return False
+
 def from_string_dirnode(s):
     u = from_string(s)
     assert IDirnodeURI.providedBy(u)
-- 
2.45.2