feat: add thread control to downloaders

Improve download performance by introducing a configurable number of threads. Allows users to control the number of concurrent downloads from 1 to 16.

src/facilito/cli.py

@@ -57,6 +57,17 @@ def download(
             show_default=True,
         ),
     ] = False,
+    threads: Annotated[
+        int,
+        typer.Option(
+            "--threads",
+            "-t",
+            min=1,
+            max=16,
+            help="Number of threads to use.",
+            show_default=True,
+        ),
+    ] = 10,
 ):
     """
     Download a course | video | lecture from the given URL.
@@ -79,6 +90,7 @@ def download(
             url,
             quality=quality,
             override=override,
+            threads=threads,
         )
     )
 

src/facilito/downloaders/course.py

@@ -18,6 +18,7 @@ async def download_course(context: BrowserContext, course: Course, **kwargs):
     :param Course course: Course model to download.
 
     :param bool override: Override existing file if exists (default: False).
+    :param int threads: Number of threads to use (default: 10).
     """
     COURSE_DIR_PATH = DIR_PATH / course.slug
     COURSE_DIR_PATH.mkdir(parents=True, exist_ok=True)

src/facilito/downloaders/unit.py

@@ -18,6 +18,7 @@ async def download_unit(context: BrowserContext, unit: Unit, path: Path, **kwarg
 
     :param Quality quality: Quality of the video (default: Quality.MAX).
     :param bool override: Override existing file if exists (default: False).
+    :param int threads: Number of threads to use (default: 10).
     """
 
     if unit.type == TypeUnit.VIDEO:

src/facilito/downloaders/video.py

@@ -121,12 +121,14 @@ async def download_video(
 
     :param list[dic] cookies: Cookies for authentication (default: None).
     :param bool override: Override existing file if exists (default: False).
+    :param int threads: Number of threads to use (default: 10).
     """
 
     import subprocess
 
     cookies = kwargs.get("cookies", None)
     override = kwargs.get("override", False)
+    threads = kwargs.get("threads", 10)
 
     path.parent.mkdir(parents=True, exist_ok=True)
 
@@ -151,6 +153,8 @@ async def download_video(
         "--quality",
         quality.value,
         "--skip-prompts",
+        "--threads",
+        str(threads),
     ]
 
     # Download vsd binary if not exists