Cleanup: Comparisons to True/False, ==/!= None, deprecated modules

8 files changed, 14 insertions, 24 deletions

diff --git a/doc/examples/action.py b/doc/examples/action.py
index 7153292c..9b9d7dd3 100644
--- a/doc/examples/action.py
+++ b/doc/examples/action.py
@@ -86,7 +86,7 @@ print "UsrSize: %s " % apt_pkg.SizeToStr(depcache.UsrSize)
 print "DebSize: %s " % apt_pkg.SizeToStr(depcache.DebSize)
 
 for pkg in cache.Packages:
-    if pkg.CurrentVer != None and not depcache.MarkedInstall(pkg) \
+    if pkg.CurrentVer is not None and not depcache.MarkedInstall(pkg) \
         and depcache.IsUpgradable(pkg):
         print "Upgrade didn't upgrade (kept): %s" % pkg.Name
 
@@ -101,7 +101,7 @@ print "DebSize: %s " % apt_pkg.SizeToStr(depcache.DebSize)
 # overview about what would happen
 for pkg in cache.Packages:
     if depcache.MarkedInstall(pkg):
-        if pkg.CurrentVer != None:
+        if pkg.CurrentVer is not None:
             print "Marked upgrade: %s " % pkg.Name
         else:
             print "Marked install: %s" % pkg.Name
diff --git a/doc/examples/all_deps.py b/doc/examples/all_deps.py
index 0a2f3157..992e98d8 100644
--- a/doc/examples/all_deps.py
+++ b/doc/examples/all_deps.py
@@ -1,13 +1,13 @@
 #!/usr/bin/env python
-
 import sys
+
 import apt
 
 
 def dependencies(cache, pkg, deps, key="Depends"):
     #print "pkg: %s (%s)" % (pkg.name, deps)
     candver = cache._depcache.GetCandidateVer(pkg._pkg)
-    if candver == None:
+    if candver is None:
         return deps
     dependslist = candver.DependsList
     if key in dependslist:
diff --git a/doc/examples/build-deps.py b/doc/examples/build-deps.py
index dc1a6f4e..aeb5667c 100755
--- a/doc/examples/build-deps.py
+++ b/doc/examples/build-deps.py
@@ -3,7 +3,6 @@
 
 import apt_pkg
 import sys
-import sets    # only needed for python2.3, python2.4 supports this naively
 
 
 def get_source_pkg(pkg, records, depcache):
@@ -37,7 +36,7 @@ try:
 except KeyError:
     print "No package %s found" % sys.argv[1]
     sys.exit(1)
-all_build_depends = sets.Set()
+all_build_depends = set()
 
 # get the build depdends for the package itself
 srcpkg_name = get_source_pkg(base, records, depcache)
diff --git a/doc/examples/depcache.py b/doc/examples/depcache.py
index ad884fe7..790cc9d6 100644
--- a/doc/examples/depcache.py
+++ b/doc/examples/depcache.py
@@ -84,7 +84,7 @@ print "UsrSize: %s " % apt_pkg.SizeToStr(depcache.UsrSize)
 print "DebSize: %s " % apt_pkg.SizeToStr(depcache.DebSize)
 
 for pkg in cache.Packages:
-    if pkg.CurrentVer != None and not depcache.MarkedInstall(pkg) \
+    if pkg.CurrentVer is not None and not depcache.MarkedInstall(pkg) \
         and depcache.IsUpgradable(pkg):
         print "Upgrade didn't upgrade (kept): %s" % pkg.Name
 
@@ -100,7 +100,7 @@ print "DebSize: %s " % apt_pkg.SizeToStr(depcache.DebSize)
 # overview about what would happen
 for pkg in cache.Packages:
     if depcache.MarkedInstall(pkg):
-        if pkg.CurrentVer != None:
+        if pkg.CurrentVer is not None:
             print "Marked upgrade: %s " % pkg.Name
         else:
             print "Marked install: %s" % pkg.Name
diff --git a/doc/examples/dependant-pkgs.py b/doc/examples/dependant-pkgs.py
index bb10ce70..5fbbc76d 100755
--- a/doc/examples/dependant-pkgs.py
+++ b/doc/examples/dependant-pkgs.py
@@ -7,7 +7,7 @@ pkgs = set()
 cache = apt.Cache()
 for pkg in cache:
     candver = cache._depcache.GetCandidateVer(pkg._pkg)
-    if candver == None:
+    if candver is None:
         continue
     dependslist = candver.DependsList
     for dep in dependslist.keys():
diff --git a/doc/examples/gui-inst.py b/doc/examples/gui-inst.py
index cb49db3e..8138d922 100755
--- a/doc/examples/gui-inst.py
+++ b/doc/examples/gui-inst.py
@@ -1,20 +1,13 @@
 #!/usr/bin/python
 # example how to install in a custom terminal widget
 # see also gnome bug: #169201
-
-import apt
-import apt_pkg
-import sys, os, fcntl
-import copy
-import string
-import fcntl
-
 import pygtk
 pygtk.require('2.0')
 import gtk
 
 import apt.gtk.widgets
 
+
 if __name__ == "__main__":
 
     win = gtk.Window()
diff --git a/doc/examples/progress.py b/doc/examples/progress.py
index c56734b7..83847598 100644
--- a/doc/examples/progress.py
+++ b/doc/examples/progress.py
@@ -1,8 +1,7 @@
-import apt
-from apt import SizeToStr
 import sys
 import time
-import string
+
+import apt
 
 
 class TextProgress(apt.OpProgress):
@@ -39,8 +38,8 @@ class TextFetchProgress(apt.FetchProgress):
 
     def pulse(self):
         print "Pulse: CPS: %s/s; Bytes: %s/%s; Item: %s/%s" % (
-            SizeToStr(self.currentCPS), SizeToStr(self.currentBytes),
-            SizeToStr(self.totalBytes), self.currentItems, self.totalItems)
+            apt.SizeToStr(self.currentCPS), SizeToStr(self.currentBytes),
+            apt.SizeToStr(self.totalBytes), self.currentItems, self.totalItems)
         return True
 
     def mediaChange(self, medium, drive):
diff --git a/doc/examples/versiontest.py b/doc/examples/versiontest.py
index dd881f6b..fa13cc1c 100755
--- a/doc/examples/versiontest.py
+++ b/doc/examples/versiontest.py
@@ -4,7 +4,6 @@
 import apt_pkg
 import sys
 import re
-import string
 
 apt_pkg.InitConfig()
 apt_pkg.InitSystem()
@@ -22,7 +21,7 @@ while(1):
     CurLine = CurLine + 1
     if Line == "":
         break
-    Line = string.strip(Line)
+    Line = Line.strip()
     if len(Line) == 0 or Line[0] == '#':
         continue