added `installed command

Author: fcurella

README.rst

@@ -128,6 +128,12 @@ Lists available templates on the index whose name contains the specified text.
 Downloads the specified template to your ``~/.pypackager/`` directory.
 
 If a URL is specified, downloads the template from there instead of using the index.
+
+``installed``
+~~~~~~~~~~~~~
+
+Lists templates that are already been downloaded.
+
 ``remove``
 ~~~~~~~~~~
 

pypackager/channel.py

@@ -33,6 +33,17 @@ def fetch(self):
         response = urlopen(self.channel_url)
         return json.loads(response.read())
 
+    @property
+    def installed_list(self):
+        templates = [d for d in os.listdir(self.templates_dir) if os.path.isdir(os.path.join(self.templates_dir, d))]
+        templates.sort()
+        return templates
+
+    def installed(self):
+        for name in self.installed_list:
+            print(name)
+        print("%d templates installed." % len(self.installed_list))
+
     @property
     def template_list(self):
         return self.data.keys()

pypackager/packager.py

@@ -18,6 +18,10 @@ def create(self, package_name, *args):
         creator = PackageCreator(settings=self.settings)
         creator.create(package_name, destination)
 
+    def installed(self, *args):
+        channel = PackagerChannel(settings=self.settings)
+        channel.installed()
+
     def list(self, *args):
         channel = PackagerChannel(settings=self.settings)
         channel.list()