Made a few changes. Short term trying os.system to call manga-py instead of embedding it.

Downloader.py

@@ -0,0 +1,67 @@
+from manga_py1.parser import Parser
+from manga_py1.info import Info
+
+
+my_awesome_handler = open('my-handler')
+
+
+class MyAwesomeInfo(Info):
+    pass
+
+
+# main class (you will have your own)
+class MyAwesomeClass:
+    args = {}
+    """
+    is just a Namespace or dict with arguments
+     (filled below. You can implement your implementation. The main thing is to have all keys possible)
+    see manga_py.cli.args.get_cli_arguments()
+    """
+
+    parser = None  # the found parser gets here (see below)
+
+    def get_info(self):
+        MyAwesomeInfo(self.args)  # use the Info class from manga-py or overload the Info class from manga-py
+
+    def start(self):
+        self.parser = Parser(self.args)
+        try:
+            self.parser.init_provider(
+                progress=self.progress,
+                log=self.print,
+                quest=self.quest,
+                quest_password=self.quest_password,
+                info=self.get_info(),
+            )
+        except AttributeError as e:
+            raise e
+        self.parser.start()  # provider main method
+
+    def progress(self, items_count: int, current_item: int, re_init: bool = False): # the same progress function. re_init = True means "next chapter"
+        # simple progress
+        pass
+
+    def print(self, text, **kwargs):
+        """
+        Not used everywhere. Better reload global print method
+        """
+        print(text, **kwargs, file=my_awesome_handler)
+
+    def quest(self, variants: enumerate, title: str, select_type=0):  # 0 = single, 1 = multiple
+        if select_type == 0:
+            print(' Question ')
+            return 'Answer'
+        else:
+            print(' Question multiple answers')
+            return [
+                'Answer 1',
+                'Answer 2',
+                ...
+            ]
+
+    def quest_password(self, title):
+        """
+        used to ask user password
+        """
+        print(title)
+        return 'my_awesome_password'