From 2e2aa5fc6e4ad31b52aaef236ed54a3b9ea59a5d Mon Sep 17 00:00:00 2001
From: Michael Vogt <michael.vogt@ubuntu.com>
Date: Wed, 23 Dec 2009 13:36:48 +0100
Subject: * apt/cache.py:   - improved docstring for the cache

---
 apt/cache.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'apt/cache.py')

diff --git a/apt/cache.py b/apt/cache.py
index fa6c404c..aa38999d 100644
--- a/apt/cache.py
+++ b/apt/cache.py
@@ -43,7 +43,12 @@ class Cache(object):
     """Dictionary-like package cache.
 
     This class has all the packages that are available in it's
-    dictionary
+    dictionary. 
+
+    Keyword arguments:
+    progress -- a OpProgress object
+    rootdir -- a alternative root directory
+    memonly -- build the cache in memory only
     """
 
     def __init__(self, progress=None, rootdir=None, memonly=False):
-- 
cgit v1.2.3


From 8d4420aecf43b588e8485c71d8e2b0bd9371432d Mon Sep 17 00:00:00 2001
From: Michael Vogt <michael.vogt@ubuntu.com>
Date: Wed, 13 Jan 2010 11:19:44 +0100
Subject: add "enhances" property

---
 apt/cache.py           |  4 +++-
 apt/package.py         |  5 +++++
 debian/changelog       |  1 +
 tests/test_enhances.py | 17 +++++++++++++++++
 4 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 tests/test_enhances.py

(limited to 'apt/cache.py')

diff --git a/apt/cache.py b/apt/cache.py
index aa38999d..ae6f2fcc 100644
--- a/apt/cache.py
+++ b/apt/cache.py
@@ -47,7 +47,9 @@ class Cache(object):
 
     Keyword arguments:
     progress -- a OpProgress object
-    rootdir -- a alternative root directory
+    rootdir -- a alternative root directory. if that is given 
+               the system sources.list and system lists/ files are 
+               not read, only files relative to the given rootdir
     memonly -- build the cache in memory only
     """
 
diff --git a/apt/package.py b/apt/package.py
index 8d3be1b0..f33871c6 100644
--- a/apt/package.py
+++ b/apt/package.py
@@ -378,6 +378,11 @@ class Version(object):
                 pass
         return depends_list
 
+    @property
+    def enhances(self):
+        """Return the list of enhances for the package version."""
+        return self.get_dependencies("Enhances")
+
     @property
     def dependencies(self):
         """Return the dependencies of the package version."""
diff --git a/debian/changelog b/debian/changelog
index 59409cb4..ba5dd918 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -10,6 +10,7 @@ python-apt (0.7.13.5) UNRELEASED; urgency=low
     - simple abstraction for the apt history file 
   * apt/cache.py: 
     - improved docstring for the cache
+    - add "enhances" property
   * data/templates/Ubuntu.info.in:
     - add lucid
 
diff --git a/tests/test_enhances.py b/tests/test_enhances.py
new file mode 100644
index 00000000..3eced9f9
--- /dev/null
+++ b/tests/test_enhances.py
@@ -0,0 +1,17 @@
+#!/usr/bin/python
+
+import apt
+
+cache = apt.Cache()
+
+for pkg in cache:
+    if pkg.installed and pkg.installed.enhances:
+        s = "%s enhances:" % pkg.name
+        for or_list in pkg.installed.enhances:
+            for enhances in or_list.or_dependencies:
+                s += " %s" % enhances.name
+                if (cache.has_key(enhances.name) and
+                    not cache[enhances.name].isInstalled):
+                    s += "(*missing*) "
+                s += ","
+            print s[:-1]
-- 
cgit v1.2.3