Pylint cleanup (#74)

* Misc fixes

* Misc cleanup

* Add all_versions to blender_downloader.py

* More cleanup

* Fix issue with status not reporting engine info

* Misc fixes

* Misc cleanup

* Add all_versions to blender_downloader.py

* More cleanup

* Fix issue with status not reporting engine info

src/engines/blender/blender_downloader.py

@@ -1,5 +1,6 @@
 import logging
 import re
+import threading
 
 import requests
 
@@ -15,6 +16,7 @@ supported_formats = ['.zip', '.tar.xz', '.dmg']
 
 
 class BlenderDownloader(EngineDownloader):
+
     engine = Blender
 
     @staticmethod
@@ -79,6 +81,31 @@ class BlenderDownloader(EngineDownloader):
 
         return lts_versions
 
+    @classmethod
+    def all_versions(cls, system_os=None, cpu=None):
+        majors = cls.__get_major_versions()
+        all_versions = []
+        threads = []
+        results = [[] for _ in majors]
+
+        def thread_function(major_version, index, system_os, cpu):
+            results[index] = cls.__get_minor_versions(major_version, system_os, cpu)
+
+        for i, m in enumerate(majors):
+            thread = threading.Thread(target=thread_function, args=(m, i, system_os, cpu))
+            threads.append(thread)
+            thread.start()
+
+        # Wait for all threads to complete
+        for thread in threads:
+            thread.join()
+
+        # Extend all_versions with the results from each thread
+        for result in results:
+            all_versions.extend(result)
+
+        return all_versions
+
     @classmethod
     def find_most_recent_version(cls, system_os=None, cpu=None, lts_only=False):
         try:
@@ -108,8 +135,6 @@ class BlenderDownloader(EngineDownloader):
             major_version = '.'.join(version.split('.')[:2])
             minor_versions = [x for x in cls.__get_minor_versions(major_version, system_os, cpu) if
                               x['version'] == version]
-            # we get the URL instead of calculating it ourselves. May change this
-
             cls.download_and_extract_app(remote_url=minor_versions[0]['url'], download_location=download_location,
                                          timeout=timeout)
         except IndexError: