lib: package: Add file_reverse_translate

Adds API to reverse the removal of special characters from file names so
it can be correctly done in multiple places without open-coding it.

Replace the translation done in the package_rpm.bbclass with the new API

(From OE-Core rev: 4cb7e93c624987d146aaf626ce8e99568e938a70)

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oe/package.py

@@ -195,14 +195,27 @@ def strip_execs(pn, dstdir, strip_cmd, libdir, base_libdir, max_process, qa_alre
 
     oe.utils.multiprocess_launch_mp(runstrip, sfiles, max_process)
 
+TRANSLATE = (
+    ("@", "@at@"),
+    (" ", "@space@"),
+    ("\t", "@tab@"),
+    ("[", "@openbrace@"),
+    ("]", "@closebrace@"),
+    ("_", "@underscore@"),
+)
 
 def file_translate(file):
-    ft = file.replace("@", "@at@")
-    ft = ft.replace(" ", "@space@")
-    ft = ft.replace("\t", "@tab@")
-    ft = ft.replace("[", "@openbrace@")
-    ft = ft.replace("]", "@closebrace@")
-    ft = ft.replace("_", "@underscore@")
+    ft = file
+    for s, replace in TRANSLATE:
+        ft = ft.replace(s, replace)
+
+    return ft
+
+def file_reverse_translate(file):
+    ft = file
+    for s, replace in reversed(TRANSLATE):
+        ft = ft.replace(replace, s)
+
     return ft
 
 def filedeprunner(arg):