added image and GIF upscale support

src/wrappers/gifski.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Name: Gifski Wrapper
+Creator: K4YT3X
+Date Created: May 11, 2020
+Last Modified: May 11, 2020
+
+Description: High-level wrapper for Gifski.
+"""
+
+# built-in imports
+import pathlib
+import subprocess
+
+# third-party imports
+from avalon_framework import Avalon
+
+
+class Gifski:
+
+    def __init__(self, gifski_settings):
+        self.gifski_settings = gifski_settings
+
+    def make_gif(self, upscaled_frames: pathlib.Path, output_path: pathlib.Path, framerate: float, image_format: str) -> subprocess.Popen:
+        execute = [
+            self.gifski_settings['gifski_path'],
+            '-o',
+            output_path,
+            '--fps',
+            int(round(framerate, 0))
+        ]
+
+        # load configurations from config file
+        execute.extend(self._load_configuration())
+
+        # append frames location
+        execute.extend([upscaled_frames / f'extracted_*.{image_format}'])
+
+        return(self._execute(execute))
+
+    def _load_configuration(self):
+
+        configuration = []
+
+        for key in self.gifski_settings.keys():
+
+            value = self.gifski_settings[key]
+
+            # null or None means that leave this option out (keep default)
+            if key == 'gifski_path' or value is None or value is False:
+                continue
+            else:
+                if len(key) == 1:
+                    configuration.append(f'-{key}')
+                else:
+                    configuration.append(f'--{key}')
+
+                # true means key is an option
+                if value is not True:
+                    configuration.append(str(value))
+        return configuration
+
+    def _execute(self, execute: list) -> subprocess.Popen:
+        # turn all list elements into string to avoid errors
+        execute = [str(e) for e in execute]
+
+        Avalon.debug_info(f'Executing: {execute}')
+
+        return subprocess.Popen(execute)