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authorErik Johnston <erik@matrix.org>2017-05-18 13:54:27 +0100
committerErik Johnston <erik@matrix.org>2017-05-18 13:54:27 +0100
commit3accee1a8c2804620713ac4ff068a4a18a7de192 (patch)
tree5bfad3c1e8653713f8e14062732f892797279a92 /synapse/util/stringutils.py
parentMerge pull request #2136 from bbigras/patch-1 (diff)
parentBump changelog and version (diff)
downloadsynapse-3accee1a8c2804620713ac4ff068a4a18a7de192.tar.xz
Merge branch 'release-v0.21.0' of github.com:matrix-org/synapse v0.21.0
Diffstat (limited to 'synapse/util/stringutils.py')
-rw-r--r--synapse/util/stringutils.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/synapse/util/stringutils.py b/synapse/util/stringutils.py
index a100f151d4..95a6168e16 100644
--- a/synapse/util/stringutils.py
+++ b/synapse/util/stringutils.py
@@ -40,3 +40,17 @@ def is_ascii(s):
         return False
     else:
         return True
+
+
+def to_ascii(s):
+    """Converts a string to ascii if it is ascii, otherwise leave it alone.
+
+    If given None then will return None.
+    """
+    if s is None:
+        return None
+
+    try:
+        return s.encode("ascii")
+    except UnicodeEncodeError:
+        return s