Use python methods in decompress.

vispa/remote/filesystem.py

@@ -355,14 +355,16 @@ class FileSystem(object):
                     logger.debug(p)
                     archive.write(p, ap)
 
-    def decompress(self, file):
+    def decompress(self, path):
         # filepath and extract path
-        filepath = self.expand(file)
-        path = filepath.rsplit("/", 1)[0]
-        foldername = (filepath.rsplit("/", 1)[1]).rsplit(".zip", 1)[0]
+        path = self.expand(path)
+
+        # "foo/bar/file.zip" -> ("foo/bar", "file")
+        dst = os.path.split(os.path.splitext(path)[0])
 
-        with ZipFile(filepath, "r") as archive:
-            archive.extractall(path + "/" + self.handle_file_name_collision(foldername, path))
+        with ZipFile(path, "r") as archive:
+            dstdir = os.path.join(dst[0], self.handle_file_name_collision(dst[1], dst[0]))
+            archive.extractall(dstdir)
 
     def paste(self, path, fullsrc, cut):
         # TODO