Add directory path to appfs openers

Author: willmcgugan

CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [2.0.9]
+
+### Changed
+
+- MountFS and MultiFS now accept FS URLS
+- Add openers for AppFS
+
 ## [2.0.8] - 2017-08-13
 
 ### Added
@@ -12,7 +19,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - FS.islink method
 - Info.is_link method
 
-
 ## [2.0.7] - 2017-08-06
 
 ### Fixes

fs/opener/appfs.py

@@ -7,6 +7,7 @@
 
 from .base import Opener
 from .errors import OpenerError
+from ..subfs import ClosingSubFS
 from .. import appfs
 
 
@@ -31,9 +32,10 @@ class AppFSOpener(Opener):
     }
 
     def open_fs(self, fs_url, parse_result, writeable, create, cwd):
-        fs_class = self._protocol_mapping[parse_result.protocol]
 
-        tokens = parse_result.resource.split(':', 3)
+        fs_class = self._protocol_mapping[parse_result.protocol]
+        resource, delim, path = parse_result.resource.partition('/')
+        tokens = resource.split(':', 3)
         if len(tokens) == 2:
             appname, author = tokens
             version = None
@@ -45,11 +47,18 @@ def open_fs(self, fs_url, parse_result, writeable, create, cwd):
                 'or <appname>:<author>:<version>'
             )
 
-        fs_instance = fs_class(
+        app_fs = fs_class(
             appname,
             author=author,
             version=version,
             create=create
         )
-        return fs_instance
+
+        app_fs = (
+            app_fs.opendir(path, factory=ClosingSubFS)
+            if delim
+            else app_fs
+        )
+
+        return app_fs
 

tests/test_appfs.py

@@ -7,6 +7,7 @@
 from fs.appfs import UserDataFS
 
 
+
 class TestAppFS(unittest.TestCase):
     """Test Application FS."""
 

tests/test_opener.py

@@ -7,10 +7,11 @@
 import unittest
 import pkg_resources
 
-from fs import opener
+from fs import open_fs, opener
 from fs.osfs import OSFS
 from fs.opener import registry, errors
 from fs.memoryfs import MemoryFS
+from fs.appfs import UserDataFS
 
 
 class TestParse(unittest.TestCase):
@@ -223,3 +224,12 @@ def test_open_userdata_no_version(self):
         self.assertEqual(app_fs.app_dirs.appname, 'fstest')
         self.assertEqual(app_fs.app_dirs.appauthor, 'willmcgugan')
         self.assertEqual(app_fs.app_dirs.version, None)
+
+    def test_user_data_opener(self):
+        user_data_fs = open_fs('userdata://fstest:willmcgugan:1.0')
+        self.assertIsInstance(user_data_fs, UserDataFS)
+        user_data_fs.makedir('foo', recreate=True)
+        user_data_fs.settext('foo/bar.txt', 'baz')
+        user_data_fs_foo_dir = open_fs('userdata://fstest:willmcgugan:1.0/foo/')
+        self.assertEqual(user_data_fs_foo_dir.gettext('bar.txt'), 'baz')
+