gnu: Add python-pathtools.

* gnu/packages/python-xyz.scm (python-pathtools): New variable.

gnu/packages/python-xyz.scm

@@ -17357,3 +17357,21 @@ (define-public python-android-stringslib
     (description "Android Strings Lib provides support for android's strings.xml
 files.  These files are used to translate strings in android apps.")
     (license license:expat)))
+
+(define-public python-pathtools
+  (package
+    (name "python-pathtools")
+    (version "0.1.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (pypi-uri "pathtools" version))
+        (sha256
+         (base32
+          "1h7iam33vwxk8bvslfj4qlsdprdnwf8bvzhqh3jq5frr391cadbw"))))
+    (build-system python-build-system)
+    (home-page "https://github.com/gorakhargosh/pathtools")
+    (synopsis "File system general utilities")
+    (description "This package provides pattern matching and various utilities
+for file systems paths.")
+    (license license:expat)))