bitbake: bitbake: Fix Deprecated warnings from regexs

Fix handling of escape characters in regexs and hence fix python
Deprecation warnings which will be problematic in python 3.8.

(Bitbake rev: c1fcc46e2498ddd41425d8756754f814d682aba3)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 6 insertions, 6 deletions

diff --git a/bitbake/lib/bs4/dammit.py b/bitbake/lib/bs4/dammit.py
index 68d419feb5..805aa908a5 100644
--- a/bitbake/lib/bs4/dammit.py
+++ b/bitbake/lib/bs4/dammit.py
@@ -45,9 +45,9 @@ except ImportError:
     pass
 
 xml_encoding_re = re.compile(
-    '^<\?.*encoding=[\'"](.*?)[\'"].*\?>'.encode(), re.I)
+    r'^<\?.*encoding=[\'"](.*?)[\'"].*\?>'.encode(), re.I)
 html_meta_re = re.compile(
-    '<\s*meta[^>]+charset\s*=\s*["\']?([^>]*?)[ /;\'">]'.encode(), re.I)
+    r'<\s*meta[^>]+charset\s*=\s*["\']?([^>]*?)[ /;\'">]'.encode(), re.I)
 
 class EntitySubstitution(object):
 
@@ -80,11 +80,11 @@ class EntitySubstitution(object):
         ">": "gt",
         }
 
-    BARE_AMPERSAND_OR_BRACKET = re.compile("([<>]|"
-                                           "&(?!#\d+;|#x[0-9a-fA-F]+;|\w+;)"
-                                           ")")
+    BARE_AMPERSAND_OR_BRACKET = re.compile(r"([<>]|"
+                                           r"&(?!#\d+;|#x[0-9a-fA-F]+;|\w+;)"
+                                           r")")
 
-    AMPERSAND_OR_BRACKET = re.compile("([<>&])")
+    AMPERSAND_OR_BRACKET = re.compile(r"([<>&])")
 
     @classmethod
     def _substitute_html_entity(cls, matchobj):