Add support for dependencies.json in hidden packages

This commit includes hidden sublime packages into lookup paths
for required libraries.

package_control/package_io.py

@@ -30,14 +30,17 @@ def create_empty_file(filename):
     return True
 
 
-def list_sublime_package_dirs(path):
+def list_sublime_package_dirs(path, include_hidden=False):
     """
     Return a set of directories in the folder specified that are not
     hidden and are not marked to be removed
 
     :param path:
         The folder to list the directories inside of
 
+    :param include_hidden:
+        If True, also return hidden packages
+
     :return:
         A generator of directory names
     """
@@ -51,7 +54,7 @@ def list_sublime_package_dirs(path):
             if not os.path.isdir(file_path):
                 continue
             # Don't include hidden packages
-            if os.path.exists(os.path.join(file_path, '.hidden-sublime-package')):
+            if not include_hidden and os.path.exists(os.path.join(file_path, '.hidden-sublime-package')):
                 continue
             # Don't include a dir if it is going to be cleaned up
             if os.path.exists(os.path.join(file_path, 'package-control.cleanup')):

package_control/package_manager.py

@@ -762,18 +762,25 @@ def list_libraries(self):
 
         return library.list_all()
 
-    def list_packages(self, ignored_packages=None, unpacked_only=False):
+    def list_packages(self, ignored_packages=None, unpacked_only=False, include_hidden=False):
         """
         List installed packages on the machine
 
+        :param ignored_packages:
+            A list of packages to ignore in returned result.
+            The default value ``None`` or an empty list disables filtering.
+
         :param unpacked_only:
             Only list packages that are not inside of .sublime-package files
 
+        :param include_hidden:
+            If True, also return hidden packages
+
         :return:
             A set of all installed or overridden default package names
         """
 
-        packages = set(list_sublime_package_dirs(sys_path.packages_path()))
+        packages = set(list_sublime_package_dirs(sys_path.packages_path(), include_hidden))
         if unpacked_only is False:
             packages |= set(list_sublime_package_files(sys_path.installed_packages_path()))
         if ignored_packages:
@@ -793,15 +800,18 @@ def list_default_packages(self):
         packages -= {'User'}
         return packages
 
-    def list_all_packages(self):
+    def list_all_packages(self, include_hidden=False):
         """
         Lists all packages on the machine
 
+        :param include_hidden:
+            If True, also return hidden packages
+
         :return:
             A set of all package names, including default packages
         """
 
-        packages = set(list_sublime_package_dirs(sys_path.packages_path()))
+        packages = set(list_sublime_package_dirs(sys_path.packages_path(), include_hidden))
         packages |= set(list_sublime_package_files(sys_path.installed_packages_path()))
         packages |= set(list_sublime_package_files(sys_path.default_packages_path()))
         packages -= {'User'}
@@ -914,7 +924,7 @@ def find_required_libraries(self):
         """
 
         output = set()
-        for package in self.list_packages():
+        for package in self.list_packages(include_hidden=True):
             output |= self.get_libraries(package)
 
         output |= self.get_libraries('User')