From: Mark Wooding <mdw@distorted.org.uk>
Date: Mon, 1 May 2017 00:38:30 +0000 (+0100)
Subject: catacomb/__init__.py: Add printing for points on known curves.
X-Git-Tag: 1.2.0~30
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/catacomb-python/commitdiff_plain/7a7aa30ed4de9656e32c951914f41f473fcadd58

catacomb/__init__.py: Add printing for points on known curves.

Now the coordinates print correctly as field elements.
---

diff --git a/catacomb/__init__.py b/catacomb/__init__.py
index f943680..c646fe8 100644
--- a/catacomb/__init__.py
+++ b/catacomb/__init__.py
@@ -384,6 +384,16 @@ class _tmp:
   def __str__(me):
     if not me: return 'inf'
     return '(%s, %s)' % (me.x, me.y)
+  def _repr_pretty_(me, pp, cyclep):
+    if cyclep:
+      pp.text('...')
+    elif not me:
+      pp.text('inf')
+    else:
+      ind = _pp_bgroup(pp, '(')
+      pp.pretty(me.x); pp.text(','); pp.breakable()
+      pp.pretty(me.y)
+      pp.end_group(ind, ')')
 _augment(ECPtCurve, _tmp)
 
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