renamed bin to src since python isn't binary

src/waifu2x_converter.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Name: Waifu2x Converter CPP Driver
+Author: K4YT3X
+Date Created: February 8, 2019
+Last Modified: August 3, 2019
+
+Description: This class is a high-level wrapper
+for waifu2x-converter-cpp.
+"""
+
+# built-in imports
+import pathlib
+import subprocess
+import threading
+
+# third-party imports
+from avalon_framework import Avalon
+
+
+class Waifu2xConverter:
+    """This class communicates with waifu2x cui engine
+
+    An object will be created for this class, containing information
+    about the binary address and the processing method. When being called
+    by the main program, other detailed information will be passed to
+    the upscale function.
+    """
+
+    def __init__(self, waifu2x_settings, model_dir):
+        self.waifu2x_settings = waifu2x_settings
+        self.waifu2x_settings['model_dir'] = model_dir
+        self.print_lock = threading.Lock()
+
+    def upscale(self, input_directory, output_directory, scale_ratio, jobs, image_format, upscaler_exceptions):
+        """ Waifu2x Converter Driver Upscaler
+        This method executes the upscaling of extracted frames.
+
+        Arguments:
+            input_directory {string} -- source directory path
+            output_directory {string} -- output directory path
+            scale_ratio {int} -- frames' scale ratio
+            threads {int} -- number of threads
+        """
+
+        try:
+            # overwrite config file settings
+            self.waifu2x_settings['input'] = input_directory
+            self.waifu2x_settings['output'] = output_directory
+            self.waifu2x_settings['scale-ratio'] = scale_ratio
+            self.waifu2x_settings['jobs'] = jobs
+            self.waifu2x_settings['output-format'] = image_format
+
+            # models_rgb must be specified manually for waifu2x-converter-cpp
+            # if it's not specified in the arguments, create automatically
+            if self.waifu2x_settings['model-dir'] is None:
+                self.waifu2x_settings['model-dir'] = pathlib.Path(self.waifu2x_settings['waifu2x_converter_path']) / 'models_rgb'
+
+            # print thread start message
+            self.print_lock.acquire()
+            Avalon.debug_info(f'[upscaler] Thread {threading.current_thread().name} started')
+            self.print_lock.release()
+
+            # list to be executed
+            # initialize the list with waifu2x binary path as the first element
+            execute = [str(pathlib.Path(self.waifu2x_settings['waifu2x_converter_path']) / 'waifu2x-converter-cpp.exe')]
+
+            for key in self.waifu2x_settings.keys():
+
+                value = self.waifu2x_settings[key]
+
+                # the key doesn't need to be passed in this case
+                if key == 'waifu2x_converter_path':
+                    continue
+
+                # null or None means that leave this option out (keep default)
+                elif value is None or value is False:
+                    continue
+                else:
+                    if len(key) == 1:
+                        execute.append(f'-{key}')
+                    else:
+                        execute.append(f'--{key}')
+
+                    # true means key is an option
+                    if value is True:
+                        continue
+
+                    execute.append(str(value))
+
+            Avalon.debug_info(f'Executing: {execute}')
+            return subprocess.run(execute, check=True).returncode
+
+        except Exception as e:
+            upscaler_exceptions.append(e)