Add files via upload

Author: ma1onso

structural_patterns/facade.py

@@ -0,0 +1,61 @@
+from dataclasses import dataclass
+
+
+@dataclass
+class VideoFile:
+    filename: str
+
+
+class OggCompressionCode:
+    pass
+
+
+class MPEG4CompressionCode:
+    pass
+
+
+class CodecFactory:
+    def extract(self, video_file):
+        print(f'Extracted codec to {video_file}')
+
+        return 'codec'
+
+
+class BitrateReader:
+    def read(self, filename, source_codec):
+        print(f'Reading bitrate {filename}')
+
+        return 'Read buffer'
+
+    def convert(self, buffer, destination_codec):
+        print(f'Converting bitrate')
+        
+        return 'converted buffer'
+
+class AudioMixer:
+    def fix(self, pre_result):
+        print('Mix the audio with the video - Final result')
+
+
+# Facade class
+class VideoConverter:
+    def convert(self, filename, format):
+        video_file = VideoFile(filename)
+        source_codec = CodecFactory().extract(video_file)
+
+        if format == 'mp4':
+            destination_codec = MPEG4CompressionCode()
+        else:
+            destination_codec = OggCompressionCode()
+        
+        bitrate_reader = BitrateReader()
+        buffer = bitrate_reader.read(filename, source_codec)
+        pre_result = bitrate_reader.convert(buffer, destination_codec)
+        result = AudioMixer().fix(pre_result)
+
+        return result
+
+
+if __name__ == '__main__':
+    convertor = VideoConverter()
+    mp4_file = convertor.convert('seiya.ogg', 'mp4')