Merge lp:~mvo/gdebi/click-view-support into lp:gdebi

[Michael Vogt]

Tiny branch that allows viewing the new "click" format that ubuntu uses, some examples can be found here http://people.canonical.com/~sergiusens/click_packages/

[Dimitri John Ledkov (xnox)]

Looks good. Albeit indeed, very basic support =)

review: Approve

=== modified file 'GDebi/DebPackage.py'
--- GDebi/DebPackage.py	2012-10-12 10:02:16 +0000
+++ GDebi/DebPackage.py	2013-07-19 11:25:32 +0000
@@ -42,3 +42,12 @@
 # just for compatibility
 class DscSrcPackage(apt.debfile.DscSrcPackage):
     pass
+
+
+class ClickPackage(DebPackage):
+    """Basic support to view the new ubuntu click packages, more to come"""
+
+    def check(self):
+        self._failure_string = _(
+            "Click packages can currently only be inspected with this tool")
+        return False
 
=== modified file 'GDebi/GDebiCommon.py'
--- GDebi/GDebiCommon.py	2013-03-22 19:58:44 +0000
+++ GDebi/GDebiCommon.py	2013-07-19 11:25:32 +0000
@@ -30,7 +30,10 @@
 import apt_pkg
 from apt.cache import Cache
 
-from .DebPackage import DebPackage
+from .DebPackage import (
+    ClickPackage,
+    DebPackage,
+)
 
 
 if sys.version_info[0] == 2:
@@ -84,8 +87,11 @@
 
     def open(self, file, downloaded=False):
         file = os.path.abspath(file)
+        klass = DebPackage
+        if file.endswith(".click"):
+            klass = ClickPackage
         try:
-            self._deb = DebPackage(file, self._cache, downloaded)
+            self._deb = klass(file, {}, downloaded)
         except (IOError, SystemError, ValueError) as e:
             logging.debug("open failed with %s" % e)
             mimetype=guess_type(file)