Fix DeprecationWarnings for "invalid escape sequence"

Author: blueyed

pyrepl/completing_reader.py

@@ -275,7 +275,7 @@ def get_completions(self, stem):
     reader.ps1 = "c**> "
     reader.ps2 = "c/*> "
     reader.ps3 = "c|*> "
-    reader.ps4 = "c\*> "
+    reader.ps4 = r"c\*> "
     while reader.readline():
         pass
 

pyrepl/historical_reader.py

@@ -304,7 +304,7 @@ def test():
     reader.ps1 = "h**> "
     reader.ps2 = "h/*> "
     reader.ps3 = "h|*> "
-    reader.ps4 = "h\*> "
+    reader.ps4 = r"h\*> "
     while reader.readline():
         pass
 

pyrepl/keymap.py

@@ -58,7 +58,7 @@
     "'":"'",
     '"':'"',
     'a':'\a',
-    'b':'\h',
+    'b':r'\h',
     'e':'\033',
     'f':'\f',
     'n':'\n',

pyrepl/reader.py

@@ -53,7 +53,7 @@ def _my_unctrl(c, u=_make_unctrl_map()):
         return u[c]
     else:
         if unicodedata.category(c).startswith('C'):
-            return b'\u%04x' % ord(c)
+            return br'\u%04x' % ord(c)
         else:
             return c
 
@@ -238,7 +238,7 @@ def __init__(self, console):
         self.ps1 = "->> "
         self.ps2 = "/>> "
         self.ps3 = "|.. "
-        self.ps4 = "\__ "
+        self.ps4 = r"\__ "
         self.kill_ring = []
         self.arg = None
         self.finished = 0
@@ -632,9 +632,10 @@ def test():
     reader.ps1 = "**> "
     reader.ps2 = "/*> "
     reader.ps3 = "|*> "
-    reader.ps4 = "\*> "
+    reader.ps4 = r"\*> "
     while reader.readline():
         pass
 
+
 if __name__ == '__main__':
     test()