From 508d270a4d78d491bbe1c67c309c404f547da58a Mon Sep 17 00:00:00 2001
From: Thomas Groman <tgroman@nuegia.net>
Date: Mon, 20 Apr 2020 20:56:28 -0700
Subject: added Comm Build System

---
 build/pypng/pnglsch | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 build/pypng/pnglsch

(limited to 'build/pypng/pnglsch')

diff --git a/build/pypng/pnglsch b/build/pypng/pnglsch
new file mode 100644
index 0000000..d10d238
--- /dev/null
+++ b/build/pypng/pnglsch
@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+# $URL: http://pypng.googlecode.com/svn/trunk/code/pnglsch $
+# $Rev: 107 $
+# pnglsch
+# PNG List Chunks
+
+import png
+
+def list(out, inp):
+    r = png.Reader(file=inp)
+    for t,v in r.chunks():
+        add = ''
+        if len(v) <= 28:
+            add = ' ' + v.encode('hex')
+        print >>out, "%s %10d%s" % (t, len(v), add)
+
+def main(argv=None):
+    import sys
+
+    if argv is None:
+        argv = sys.argv
+    arg = argv[1:]
+
+    if len(arg) > 0:
+        f = open(arg[0], 'rb')
+    else:
+        f = sys.stdin
+    return list(sys.stdout, f)
+
+if __name__ == '__main__':
+    main()
-- 
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