Remove dependence on pathod in test suite.

netlib/utils.py

@@ -1,5 +1,5 @@
 from __future__ import (absolute_import, print_function, division)
-
+import os.path
 
 def isascii(s):
     try:
@@ -110,3 +110,22 @@ def pretty_size(size):
             if x == int(x):
                 x = int(x)
             return str(x) + suf
+
+
+class Data(object):
+    def __init__(self, name):
+        m = __import__(name)
+        dirname, _ = os.path.split(m.__file__)
+        self.dirname = os.path.abspath(dirname)
+
+    def path(self, path):
+        """
+            Returns a path to the package data housed at 'path' under this
+            module.Path can be a path to a file, or to a directory.
+
+            This function will raise ValueError if the path does not exist.
+        """
+        fullpath = os.path.join(self.dirname, path)
+        if not os.path.exists(fullpath):
+            raise ValueError("dataPath: %s does not exist." % fullpath)
+        return fullpath

test/tutils.py

@@ -3,9 +3,8 @@ import tempfile
 import os
 import shutil
 from contextlib import contextmanager
-from libpathod import utils
 
-from netlib import tcp
+from netlib import tcp, utils
 
 
 def treader(bytes):