library: add autopsy.py

library/autopsy.py

@@ -0,0 +1,30 @@
+# autopsy.py -- a terminal image.
+
+from base64 import b64encode
+from io import BytesIO
+from sys import stdout, stderr
+import PIL.Image
+
+
+def termshow(im, fp=None, out=stderr):
+    if isinstance(im, BytesIO):
+        data = im.getvalue()
+    else:
+        f = BytesIO()
+        im = PIL.Image.fromarray(im)
+        im.save(f, "png")
+        data = f.getvalue()
+    data64 = b64encode(data)
+
+    # magic = f"\033]1337;File=size={len(data)};width={dims}px;height={dims}px;inline=1:{data64}\007"
+    magic = f"\033]1337;File=size={len(data)};inline=1:{data64.decode()}\007"
+
+    if out is not None:
+        if out in (stdout, stderr):
+            stdout.flush()
+            stderr.flush()
+        print(magic, file=out)
+
+    if fp is not None:
+        with open(fp, "wb") as f:
+            f.write(data)