Add new examples

Author: mdz
Date: 2002-08-27 23:20:42 GMT
Add new examples

3 files changed, 74 insertions, 1 deletions

diff --git a/doc/examples/checkstate.py b/doc/examples/checkstate.py
new file mode 100755
index 00000000..a0bdb6e7
--- /dev/null
+++ b/doc/examples/checkstate.py
@@ -0,0 +1,31 @@
+#!/usr/bin/python
+
+import apt_pkg
+apt_pkg.init()
+
+cache = apt_pkg.GetCache()
+packages = cache.Packages
+
+uninstalled, updated, upgradable = {}, {}, {}
+
+for package in packages:
+	versions = package.VersionList
+	if not versions:
+		continue
+	version = versions[0]
+	for other_version in versions:
+		if apt_pkg.VersionCompare(version.VerStr, other_version.VerStr)<0:
+			version = other_version
+	if package.CurrentVer:
+		current = package.CurrentVer
+		if apt_pkg.VersionCompare(current.VerStr, version.VerStr)<0:
+			upgradable[package.Name] = version
+			break
+		else:
+			updated[package.Name] = current
+	else:
+		uninstalled[package.Name] = version
+
+
+for l in (uninstalled, updated, upgradable):
+	print l.items()[0]
diff --git a/doc/examples/recommends.py b/doc/examples/recommends.py
new file mode 100755
index 00000000..b1094aee
--- /dev/null
+++ b/doc/examples/recommends.py
@@ -0,0 +1,41 @@
+#!/usr/bin/python
+
+import apt_pkg
+apt_pkg.init()
+
+cache = apt_pkg.GetCache()
+
+class Wanted:
+
+	def __init__(self, name):
+		self.name = name
+		self.recommended = []
+		self.suggested = []
+
+wanted = {}
+
+for package in cache.Packages:
+	current = package.CurrentVer
+	if not current:
+		continue
+	depends = current.DependsList
+	for (key, attr) in (('Suggests', 'suggested'), 
+	                    ('Recommends', 'recommended')):
+		list = depends.get(key, [])
+		for dependency in list:
+			name = dependency[0].TargetPkg.Name
+			dep = cache[name]
+			if dep.CurrentVer:
+				continue
+			getattr(wanted.setdefault(name, Wanted(name)),
+			        attr).append(package.Name)
+
+ks = wanted.keys()
+ks.sort()
+
+for want in ks:
+	print want, wanted[want].recommended, wanted[want].suggested
+
+
+
+
diff --git a/doc/makefile b/doc/makefile
index 5f8fc182..7f9dff2b 100644
--- a/doc/makefile
+++ b/doc/makefile
@@ -7,6 +7,7 @@ include ../buildlib/defaults.mak
 
 # Examples
 SOURCE = examples/config.py examples/configisc.py examples/tagfile.py \
-         examples/versiontest.py
+         examples/versiontest.py examples/checkstate.py \
+	 examples/recommends.py
 TO = $(DOC)
 include $(COPY_H)