Support absolute paths

Fixes #16

Author: Martin Roy

config_probe/__init__.py

@@ -18,7 +18,7 @@ def probe(path, patterns):
 
         glob_pattern = pattern.replace(NAMESPACE_PLACEHOLDER, "*")
         for config_file in glob.glob(os.path.join(path, glob_pattern)):
-            relevant_part_of_the_path = config_file[len(path) + 1:]
+            relevant_part_of_the_path = config_file if os.path.isabs(pattern) else config_file[len(path) + 1:]
             path_parts, ext = os.path.splitext(relevant_part_of_the_path)
             path_matchers, _ = os.path.splitext(pattern)
 

tests/test_config_probe.py

@@ -111,6 +111,13 @@ def test_dict_should_behave_as_dict(self):
     def test_support_for_empty_files(self):
         probe(path=_dir("empty-files"), patterns=["*.*"])
 
+    def test_support_absolute_paths_outside_base_dir(self):
+        config = probe(path=_dir("single-file-with-namespace"), patterns=[
+            "{}/(*)/(*)/stuff.yaml".format(os.path.dirname(__file__))
+        ])
+        assert_that(config['two-files-with-subdir-namespace'].ns1.key1, is_("stuff from ns1"))
+        assert_that(config['two-files-with-subdir-namespace'].ns2.key2, is_("stuff from ns2"))
+
     def test_fake_probe(self):
         config = fake_probe({
             "key": "value",