Bug#603043: "Python-debian module not available"

[Julian Andres Klode <jak@debian.org>]

On Mi, 2010-11-10 at 16:50 +0100, Max Kellermann wrote:
> Package: python-apt
> Version: 0.7.98.1
> 
> Tried to run apt.debfile.DebPackage.control_content, got the following
> exception:
> 
>   File "/usr/lib/python2.6/dist-packages/apt/debfile.py", line 555, in control_content
>     raise Exception(_("Python-debian module not available"))
>  Exception: Python-debian module not available
> 
> The package python-debian is not installed.  Is there a dependency missing?
Unless you need the higher level stuff, use apt_inst.DebFile instead, as
it's easier to use.

The following patch should fix it and I pushed it to the repository as
revision number 464.

=== modified file 'apt/debfile.py'
--- apt/debfile.py	2010-09-20 08:33:44 +0000
+++ apt/debfile.py	2010-11-10 16:32:22 +0000
@@ -531,7 +531,7 @@ class DebPackage(object):
         return s
         
     def _get_content(self, part, name, auto_decompress=True, auto_hex=True):
-        data = part.get_content(name)
+        data = part.extractdata(name)
         # check for zip content
         if name.endswith(".gz") and auto_decompress:
             io = StringIO(data)
@@ -550,24 +550,16 @@ class DebPackage(object):
     def control_content(self, name):
         """ return the content of a specific control.tar.gz file """
         try:
-            from debian.debfile import DebFile
-        except:
-            raise Exception(_("Python-debian module not available"))
-        control = DebFile(self.filename).control
-        if name in control:
-            return self._get_content(control, name)
-        return ""
+            return self._get_content(self._debfile.control, name)
+        except LookupError:
+            return ""
 
     def data_content(self, name):
         """ return the content of a specific control.tar.gz file """
         try:
-            from debian.debfile import DebFile
-        except:
-            raise Exception(_("Python-debian module not available"))
-        data = DebFile(self.filename).data
-        if name in data:
-            return self._get_content(data, name)
-        return ""
+            return self._get_content(self._debfile.data, name)
+        except LookupError:
+            return ""
 
     def _dbg(self, level, msg):
         """Write debugging output to sys.stderr."""



-- 
Julian Andres Klode  - Debian Developer, Ubuntu Member

See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/.