Split add job helper (#45)

* Fix issue with engine not being available to download

* Add version caches to ffmpeg downloader

* Remove some test parameters

* "releases" should be "release" in linux ffmpeg url

* CPU was incorrectly reported as OS

* Fix naming structure for FFMPEG downloads for linux

* More linux ffmpeg work

* Improved error handling

* WIP

* Consolidate platform reporting to not use platform directly

* Fix missing folder name

* Fix project output naming

* Undo config.yaml commit

* Add is_engine_available API call

* Fix issue where subjobs would not find servers

src/engines/blender/blender_downloader.py

@@ -1,5 +1,4 @@
 import logging
-import platform
 import re
 
 import requests
@@ -96,8 +95,8 @@ class BlenderDownloader:
 
     @classmethod
     def download_engine(cls, version, download_location, system_os=None, cpu=None, timeout=120):
-        system_os = system_os or platform.system().lower().replace('darwin', 'macos')
-        cpu = cpu or platform.machine().lower().replace('amd64', 'x64')
+        system_os = system_os or current_system_os()
+        cpu = cpu or current_system_cpu()
 
         try:
             logger.info(f"Requesting download of blender-{version}-{system_os}-{cpu}")