Place several global variables at top of module

diff --git a/pyderasn.py b/pyderasn.py
index 39f2d885062a49f4e59b630e1305ffa21fede80b..d637053f53f88e6c2aa72a2014d4b6066f41e201 100755 (executable)
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -765,6 +765,19 @@ EOC_LEN = len(EOC)
 LENINDEF = b"\x80"  # length indefinite mark
 LENINDEF_PP_CHAR = "I" if PY2 else "∞"
 NAMEDTUPLE_KWARGS = {} if PY2 else {"module": __name__}
+SET01 = frozenset(("0", "1"))
+DECIMAL_SIGNS = ".,"
+
+
+def pureint(value):
+    i = int(value)
+    if (value[0] in "+- ") or (value[-1] == " "):
+        raise ValueError("non-pure integer")
+    return i
+
+def fractions2float(fractions_raw):
+    pureint(fractions_raw)
+    return float("0." + fractions_raw)
 
 
 ########################################################################
@@ -2338,7 +2351,6 @@ class Integer(Obj):
             yield pp
 
 
-SET01 = frozenset(("0", "1"))
 BitStringState = namedtuple("BitStringState", (
     "version",
     "specs",
@@ -3427,13 +3439,6 @@ ObjectIdentifierState = namedtuple("ObjectIdentifierState", (
 ), **NAMEDTUPLE_KWARGS)
 
 
-def pureint(value):
-    i = int(value)
-    if (value[0] in "+- ") or (value[-1] == " "):
-        raise ValueError("non-pure integer")
-    return i
-
-
 class ObjectIdentifier(Obj):
     """``OBJECT IDENTIFIER`` OID type
 
@@ -4145,11 +4150,6 @@ LEN_YYYYMMDDHHMMSSDMZ = len("YYYYMMDDHHMMSSDMZ")
 LEN_YYYYMMDDHHMMSSZ = len("YYYYMMDDHHMMSSZ")
 
 
-def fractions2float(fractions_raw):
-    pureint(fractions_raw)
-    return float("0." + fractions_raw)
-
-
 class VisibleString(CommonString):
     __slots__ = ()
     tag_default = tag_encode(26)
@@ -4484,8 +4484,7 @@ class GeneralizedTime(UTCTime):
                 break
         if len(value) == 0:
             return offset, decoded
-        decimal_signs = ".,"
-        if value[0] in decimal_signs:
+        if value[0] in DECIMAL_SIGNS:
             return offset, (
                 decoded + timedelta(seconds=3600 * fractions2float(value[1:]))
             )
@@ -4495,7 +4494,7 @@ class GeneralizedTime(UTCTime):
         value = value[2:]
         if len(value) == 0:
             return offset, decoded
-        if value[0] in decimal_signs:
+        if value[0] in DECIMAL_SIGNS:
             return offset, (
                 decoded + timedelta(seconds=60 * fractions2float(value[1:]))
             )
@@ -4505,7 +4504,7 @@ class GeneralizedTime(UTCTime):
         value = value[2:]
         if len(value) == 0:
             return offset, decoded
-        if value[0] not in decimal_signs:
+        if value[0] not in DECIMAL_SIGNS:
             raise ValueError("invalid format after seconds")
         return offset, (
             decoded + timedelta(microseconds=10**6 * fractions2float(value[1:]))