fix some stuff with files

src/backend.py

@@ -10,6 +10,8 @@
 from contextlib import suppress
 import warnings
 import json
+from io import BytesIO
+
 
 from bidi.algorithm import get_display
 
@@ -320,9 +322,10 @@ def process_time_directive(time: Time) -> Time:
             frames = meme.generate_gif()
             base = frames[0]
             base.info = meme.image.info
-            base.save('_tmp_gen.gif', save_all=True,
+            stream = BytesIO()
+            base.save(stream, format='gif', save_all=True,
                       append_images=frames[1:])
-            im = Image.open('_tmp_gen.gif')
+            im = Image.open(stream)
             return im
 
         else:

src/console.py

@@ -107,6 +107,8 @@ def memestr_to_img(memestr: str):
 
     elif img.is_animated:
         filename = os.path.join(os.getcwd(), args.outputfile)
+        if filename.endswith('.png'):
+            filename = filename.removesuffix('.png') + '.gif'
         info = img.info
         info['comment'] = f'memesource: {memestr}'
         img.save(filename, save_all=True)