moving wrappers into a sub-directory

src/wrappers/srmd_ncnn_vulkan.py

@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Name: SRMD NCNN Vulkan Driver
+Creator: K4YT3X
+Date Created: April 26, 2020
+Last Modified: April 26, 2020
+
+Description: This class is a high-level wrapper
+for srmd_ncnn_vulkan.
+"""
+
+# built-in imports
+import os
+import shlex
+import subprocess
+import threading
+
+# third-party imports
+from avalon_framework import Avalon
+
+
+class SrmdNcnnVulkan:
+    """This class communicates with SRMD NCNN Vulkan 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, driver_settings):
+        self.driver_settings = driver_settings
+
+        # arguments passed through command line overwrites config file values
+
+        # srmd_ncnn_vulkan can't find its own model directory if its not in the current dir
+        #   so change to it
+        os.chdir(os.path.join(self.driver_settings['path'], '..'))
+
+        self.print_lock = threading.Lock()
+
+    def upscale(self, input_directory, output_directory, scale_ratio):
+        """This is the core function for SRMD ncnn Vulkan class
+
+        Arguments:
+            input_directory {string} -- source directory path
+            output_directory {string} -- output directory path
+            ratio {int} -- output video ratio
+        """
+
+        # overwrite config file settings
+        self.driver_settings['i'] = input_directory
+        self.driver_settings['o'] = output_directory
+        self.driver_settings['s'] = int(scale_ratio)
+
+        # list to be executed
+        # initialize the list with the binary path as the first element
+        execute = [str(self.driver_settings['path'])]
+
+        for key in self.driver_settings.keys():
+
+            value = self.driver_settings[key]
+
+            # is executable key or null or None means that leave this option out (keep default)
+            if key == 'path' or value is None or value is False:
+                continue
+            else:
+                if len(key) == 1:
+                    execute.append(f'-{key}')
+                else:
+                    execute.append(f'--{key}')
+                execute.append(str(value))
+
+        # return the Popen object of the new process created
+        self.print_lock.acquire()
+        Avalon.debug_info(f'[upscaler] Subprocess {os.getpid()} executing: {shlex.join(execute)}')
+        self.print_lock.release()
+        return subprocess.Popen(execute)