eliminate xx filereader (#23514)

* eliminate xx filereader

* framereader cleanup

tools/lib/filereader.py

@@ -1,6 +1,11 @@
+import os
 from tools.lib.url_file import URLFile
 
+DATA_PREFIX = os.getenv("DATA_PREFIX", "http://data-raw.internal/")
+
 def FileReader(fn, debug=False):
+  if fn.startswith("cd:/"):
+    fn.replace("cd:/", DATA_PREFIX)
   if fn.startswith("http://") or fn.startswith("https://"):
     return URLFile(fn, debug=debug)
   return open(fn, "rb")

tools/lib/framereader.py

@@ -17,10 +17,7 @@ from tools.lib.cache import cache_path_for_file_path
 from tools.lib.exceptions import DataUnreadableError
 from common.file_helpers import atomic_write_in_dir
 
-try:
-  from xx.chffr.lib.filereader import FileReader
-except ImportError:
-  from tools.lib.filereader import FileReader
+from tools.lib.filereader import FileReader
 
 HEVC_SLICE_B = 0
 HEVC_SLICE_P = 1

tools/lib/logreader.py

@@ -5,10 +5,7 @@ import bz2
 import urllib.parse
 import capnp
 
-try:
-  from xx.chffr.lib.filereader import FileReader
-except ImportError:
-  from tools.lib.filereader import FileReader
+from tools.lib.filereader import FileReader
 from cereal import log as capnp_log
 
 # this is an iterator itself, and uses private variables from LogReader