From 498f47100e12f1bef247b29460ac4621fa0fc9f9 Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Sun, 22 Mar 2020 16:54:33 +0300
Subject: [PATCH] Integer.tohex()

---
 doc/news.rst |  1 +
 pyderasn.py  | 19 ++++++++++++-------
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/doc/news.rst b/doc/news.rst
index 4464185..ca8f5a4 100644
--- a/doc/news.rst
+++ b/doc/news.rst
@@ -7,6 +7,7 @@ News
 ---
 
 * Fix DEFINED BY pprinting when invoking as __main__ module
+* Integer has ``tohex()`` for getting hexadecimal representation of its value
 
 .. _release7.3:
 
diff --git a/pyderasn.py b/pyderasn.py
index aed2ed1..162c140 100755
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -917,7 +917,7 @@ _______
 Integer
 _______
 .. autoclass:: pyderasn.Integer
-   :members: __init__, named
+   :members: __init__, named, tohex
 
 BitString
 _________
@@ -2378,13 +2378,8 @@ def pp_console_row(
                     cols.append(_colourize("(%s)" % oid_name, "green", with_colours))
                     break
         if pp.asn1_type_name == Integer.asn1_type_name:
-            hex_repr = hex(int(pp.obj._value))[2:].upper()
-            if len(hex_repr) % 2 != 0:
-                hex_repr = "0" + hex_repr
             cols.append(_colourize(
-                "(%s)" % colonize_hex(hex_repr),
-                "green",
-                with_colours,
+                "(%s)" % colonize_hex(pp.obj.tohex()), "green", with_colours,
             ))
     if with_blob:
         if pp.blob.__class__ == binary_type:
@@ -2851,6 +2846,16 @@ class Integer(Obj):
         self._assert_ready()
         return int(self._value)
 
+    def tohex(self):
+        """Hexadecimal representation
+
+        Use :py:func:`pyderasn.colonize_hex` for colonizing it.
+        """
+        hex_repr = hex(int(self))[2:].upper()
+        if len(hex_repr) % 2 != 0:
+            hex_repr = "0" + hex_repr
+        return hex_repr
+
     def __hash__(self):
         self._assert_ready()
         return hash(b"".join((
-- 
2.44.0