Implement clean audio and video transcoding pipeline

repub/entrypoint.py

@@ -25,12 +25,12 @@ class FeedNameFilter:
 
 
 def execute_spider(queue, name, url):
+    from repub.media import check_runtime
+    from repub.spiders.rss_spider import RssFeedSpider
     from scrapy.crawler import CrawlerProcess
     from scrapy.settings import Settings
     from scrapy.utils.project import get_project_settings
 
-    from .spiders.rss_spider import RssFeedSpider
-
     try:
         settings: Settings = {
             **get_project_settings(),
@@ -59,6 +59,13 @@ def execute_spider(queue, name, url):
             "VIDEO_STORE": f"out/{name}/images",
             "FILES_STORE": f"out/{name}/files",
         }
+        if not check_runtime(
+            settings.get("REPUBLISHER_FFMPEG_ENCODERS"),
+            settings.get("REPUBLISHER_FFMPEG_CODECS"),
+        ):
+            logger.error("Runtime depenencies not met")
+            queue.put("missing dependencies")
+            return
         process = CrawlerProcess(settings)
         # colorlog.load_colorlog()
         process.crawl(RssFeedSpider, feed_name=name, urls=[url])