* apt/*.py:

  - Almost complete cleanup of the code
  - Remove inconsistent use of tabs and spaces (Closes: #505443)
  - Improved documentation
* apt/debfile.py:
  - Drop get*() methods, as they are deprecated and were
    never in a stable release
  - Make DscSrcPackage working
* apt/gtk/widgets.py:
  - Fix the code and document the signals
* Introduce new documentation build with Sphinx
  - Contains style Guide (Closes: #481562)
  - debian/rules: Build the documentation here
  - setup.py: Remove pydoc building and add new docs.
  - debian/examples: Include examples from documentation
  - debian/python-apt.docs:
    + Change html/ to build/doc/html.
    + Add build/doc/text for the text-only documentation
* setup.py:
  - Only create build/data when building, not all the time
  - Remove build/mo and build/data on clean -a
* debian/control:
  - Remove the Conflicts on python2.3-apt, python2.4-apt, as
    they are only needed for oldstable (sarge)
  - Build-Depend on python-sphinx (>= 0.5)
* aptsources/distinfo.py:
  - Allow @ in mirror urls (Closes: #478171) (LP: #223097)
* Merge Ben Finney's whitespace changes (Closes: #481563)
* Merge Ben Finney's do not use has_key() (Closes: #481878)
* Do not use deprecated form of raise statement (Closes: #494259)
* Add support for PkgRecords.SHA256Hash (Closes: #456113)

1 files changed, 52 insertions, 0 deletions

diff --git a/doc/source/examples/missing-deps.py b/doc/source/examples/missing-deps.py
new file mode 100644
index 00000000..3ca16e45
--- /dev/null
+++ b/doc/source/examples/missing-deps.py
@@ -0,0 +1,52 @@
+#!/usr/bin/python
+"""Check the archive for missing dependencies"""
+import apt_pkg
+
+
+def fmt_dep(dep):
+    """Format a Dependency object [of apt_pkg] as a string."""
+    ret = dep.TargetPkg.Name
+    if dep.TargetVer:
+        ret += " (%s %s)" % (dep.CompType, dep.TargetVer)
+    return ret
+
+
+def check_version(pkgver):
+    """Check the version of the package"""
+    missing = []
+
+    for or_group in pkgver.DependsList.get("Pre-Depends", []) + \
+                    pkgver.DependsList.get("Depends", []):
+        if not any(dep.AllTargets() for dep in or_group):
+            # If none of the or-choices can be satisfied, add it to missing
+            missing.append(or_group)
+
+    if missing:
+        print "Package:", pkgver.ParentPkg.Name
+        print "Version:", pkgver.VerStr
+        print "Missing:",
+        print ", ".join(" | ".join(fmt_dep(dep) for dep in or_group)
+                        for or_group in missing)
+        print
+
+
+def main():
+    """The main function."""
+    apt_pkg.InitConfig()
+    apt_pkg.InitSystem()
+
+    cache = apt_pkg.GetCache()
+
+    for pkg in sorted(cache.Packages, key=lambda pkg: pkg.Name):
+        # pkg is from a list of packages, sorted by name.
+        for version in pkg.VersionList:
+            # Check every version
+            for pfile, _ in version.FileList:
+                if (pfile.Origin == "Debian" and pfile.Component == "main" and
+                    pfile.Archive == "unstable"):
+                    # We only want packages from Debian unstable main.
+                    check_version(version)
+                    break
+
+if __name__ == "__main__":
+    main()