[PATCH] py3: silence "bad escape" warning emitted by re.sub()

Yuya Nishihara yuya at tcha.org
Fri Mar 2 20:32:17 UTC 2018


# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1519946556 18000
#      Thu Mar 01 18:22:36 2018 -0500
# Node ID b9a4498025f901cce6a5ceaedf027173e11d6a59
# Parent  dfcf589a4031211a67bab022e0a1b414f364bc39
py3: silence "bad escape" warning emitted by re.sub()

Since we pass user strings directly to re.sub(), we can't avoid this warning
without a BC.

diff --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -246,6 +246,10 @@ if _dowarn:
     warnings.filterwarnings(r'default', r'', DeprecationWarning, r'mercurial')
     warnings.filterwarnings(r'default', r'', DeprecationWarning, r'hgext')
     warnings.filterwarnings(r'default', r'', DeprecationWarning, r'hgext3rd')
+if _dowarn and pycompat.ispy3:
+    # silence warning emitted by passing user string to re.sub()
+    warnings.filterwarnings(r'ignore', r'bad escape', DeprecationWarning,
+                            r'mercurial')
 
 def nouideprecwarn(msg, version, stacklevel=1):
     """Issue an python native deprecation warning


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