fix tar_files.py

Signed-off-by: NFondMemoryVVV <mashuai53@huawei.com>

commonlibrary/toolchain/libc-test/tar_files.py

@@ -23,21 +23,21 @@ import shutil
 copy_file_counts = 0
 
 
-def copy_files(sourcedir, targetDir):
+def copy_files(sourcedir, targetdir):
     global copy_file_counts
     for f in os.listdir(sourcedir):
         source_f = os.path.join(sourcedir, f)
-        target_f = os.path.join(targetDir, f)
+        target_f = os.path.join(targetdir, f)
         if not os.path.isfile(source_f):
             if os.path.isdir(source_f):
                 copy_files(source_f, target_f)
-        elif os.path.isfile(source_f):
-            if os.path.exists(targetDir):
+            continue
+        if os.path.exists(targetdir):
             copy_file_counts += 1
             with open(target_f, "wb") as fp: 
                 fp.write(open(source_f, "rb").read())
-            elif not os.path.exists(targetDir):
-                os.makedirs(targetDir)
+        elif not os.path.exists(targetdir):
+            os.makedirs(targetdir)
             copy_file_counts += 1
             with open(target_f, "wb") as fp: 
                 fp.write(open(source_f, "rb").read())