[entropy.tools] correctly parse scanelf output even when spaces are present everywhere.

This is a ";" separated data input (even though we may get directory
paths containing ";"... but none so far is expected to be legit.)

Split by ";" first and then deal with spaces in paths.

lib/entropy/tools.py

@@ -2793,22 +2793,20 @@ def read_elf_metadata(elf_file):
 
         for line in out.split("\n"):
             if line:
+                try:
+                    elfclass_str, soname, runpath, libs_and_path = line.strip().split(";")
+                except ValueError as err:
+                    raise ValueError(
+                        "Unexpected amount of sections from scanelf output: %s, error: %s" % (
+                            line, err))
 
-                # Example of line:
-                # ELFCLASS64;;/opt/dmd-2.074/lib64;libdl.so.2,libvted-3.so.0,libgtkd-3.so.0,libX11.so.6,libphobos2.so.0.74,libpthread.so.0,libm.so.6,librt.so.1,libgcc_s.so.1,libc.so.6,ld-linux-x86-64.so.2 /var/tmp/entropy/entropy.spm._extractUmRpJu/pkg/usr/bin/tilix
-                # Normally sections contains two elements but there are
-                # cases with packages that use directory with spaces that could
-                # be greater then 2. I need drop only last.
-                sections = line.strip().split(" ", -1)
-                if len(sections) < 2:
-                    raise Exception('Unexpected output on scanelf:\n\n%s\n' % (
-                        line
-                    ))
-                else:
-                    data = ' '.join(sections[:-1])
+                try:
+                    libs = libs_and_path.split(" ", 1)[0]
+                except (IndexError, ValueError) as err:
+                    raise ValueError("Unexpected data in libs_and_path: %s, error: %s" % (
+                            libs_and_path, err))
 
-                elfclass_str, soname, runpath, libs = data.split(";")
-                libs = set(libs.split(","))
+                libs = set(libs.strip().split(","))
                 return {
                     'soname': soname,
                     'class': elf_class_strtoint(elfclass_str),