Ensure patterns can be separated by [,;|] characters

limits/util.py

@@ -6,12 +6,13 @@
 
 from .limits import GRANULARITIES
 
+SEPARATORS = re.compile(r"[,;|]{1}")
 SINGLE_EXPR = re.compile(
     r"\s*([0-9]+)\s*(/|\s*per\s*)\s*([0-9]+)*\s*(hour|minute|second|day|month|year)s?\s*",
     re.IGNORECASE
 )
 EXPR = re.compile(
-    r"^{SINGLE}(:?;{SINGLE})*$".format(SINGLE=SINGLE_EXPR.pattern),
+    r"^{SINGLE}(:?{SEPARATORS}{SINGLE})*$".format(SINGLE=SINGLE_EXPR.pattern, SEPARATORS=SEPARATORS.pattern),
     re.IGNORECASE
 )
 
@@ -40,7 +41,7 @@ def parse_many(limit_string):
     if not EXPR.match(limit_string):
         raise ValueError("couldn't parse rate limit string '%s'" % limit_string)
     limits = []
-    for limit in limit_string.split(';'):
+    for limit in SEPARATORS.split(limit_string):
         amount, _, multiples, granularity_string = SINGLE_EXPR.match(limit).groups()
         granularity = granularity_from_string(granularity_string)
         limits.append(granularity(amount, multiples))