From 74170d629fc45d3a81ba7a499da186058127664e Mon Sep 17 00:00:00 2001
From: Alain Klotz <alain.klotz@irap.omp.eu>
Date: Wed, 26 Jul 2023 14:45:17 +0200
Subject: [PATCH] Add method cards.

---
 src/guitastro/ima.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+), 0 deletions(-)

diff --git a/src/guitastro/ima.py b/src/guitastro/ima.py
index 0027df6..9f42457 100644
--- a/src/guitastro/ima.py
+++ b/src/guitastro/ima.py
@@ -255,6 +255,9 @@ class Ima(ImaException, FileNames):
     def __repr__(self):
         return str(self)
 
+    def __array__(self):
+        return self._array
+
     def _ima2astrotable_metadata(self):
         for key in self.getkwds():
             val = self.getkwd(key)
@@ -573,6 +576,23 @@ class Ima(ImaException, FileNames):
         cards = self._hdu.header.cards
         return cards
 
+    def cards(self):
+        """Get all the FITS header cards as a list of tuple.
+
+        This method is used by libtt because the type Cards of astropy is bugged for iterator.
+        ::
+
+            ima1 = Ima()
+            cards = ima1.cards()
+
+        """
+        self._verify_buffer()
+        cards = self._hdu.header.cards
+        lcards = []
+        for card in cards:
+            lcards.append(tuple(card))
+        return lcards
+
     # =============================================
     # Input/output of a buffer with disk
     # =============================================
--
libgit2 0.21.2