Rewrote 404main

404main

@@ -1,66 +1,87 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
-# The author of this script is unknown
-# License: Public Domain
 #
-# This script is used to check in what components ("main", "restricted",
+# Copyright 2007 (C) Siegfried-A. Gevatter <siggi.gevatter@gmail.com>
-# "universe" or "multiverse") the dependencies of a package are.
+# Based upon a script by an unknown author
+# License: GPLv2 or later
+#
+# This script is used to check if a certain package in main has all its
+# dependencies and build dependencies there too, or not.
 
 import subprocess
 import sys
 
-packages={}
 
-def find_main(pack, version):
+def process_deps(deps):
+	"""Takes a list of (build) dependencies and processes it."""
+	
+	for package in [ package.split('|')[0] for package in deps ]:
+		
+		# Cut package name (from something like "name ( >= version)")
+		name = package.split(' ')[0]
+		
+		if not packages.has_key(name):
+			# Check the (build) dependencies recursively
+			find_main(name)
+
+
+def find_main(pack):
+	"""Searches the dependencies and build dependencies of a package recursively
+	to determine if they are all in the 'main' component or not."""
+	
 	global packages
-	mad = subprocess.Popen(['apt-cache madison '+pack], shell=True, stdout=subprocess.PIPE)
+	
-	out = mad.stdout.read()
+	# Retrieve information about the package
+	out = subprocess.Popen('apt-cache madison ' + pack, shell=True, stdout=subprocess.PIPE).stdout.read()
+	
 	if out.find("/main") != -1 or out.find("http") == -1:
-		packages[(pack)]="In main"
+		packages[pack] = True
-		return	
+		return 1
 	else:
 		if not packages.has_key(pack):
-			packages[(pack)]="Not in main"
+			packages[pack] = False
-		test = subprocess.Popen(['apt-cache show '+pack], shell=True, stdout=subprocess.PIPE)	
+		
+		# Retrive package dependencies
+		deps = subprocess.Popen("dpkg-query -W -f='${Depends}' " + pack, shell=True, stdout=subprocess.PIPE).stdout.read().split(', ')
+		
+		process_deps(deps)
+		
+		# Retrieve package build dependencies
+		deps1 = subprocess.Popen('apt-cache showsrc ' + pack, shell=True, stdout=subprocess.PIPE).stdout.readlines()
 		deps = []
-		for j in test.stdout.readlines():
-			if j.startswith("Depend"):
-				deps = j.strip("\n").strip("Depends: ").split(",")
-		depse = []
-		for p in deps:
-			a = p.split("|")	
-			for k in a:
-				depse.append(k)
-		for i in depse:
-			info=i.strip(") ").split("(")
-			if len(info) == 2:	
-				version = info[1].strip(" ")
-			name = info[0].strip(" ")
-			if not packages.has_key(name):
-				find_main(name, version)
 		
-		test = subprocess.Popen(['apt-cache showsrc '+pack], shell=True, stdout=subprocess.PIPE)	
+		for builddep in deps1:
-		deps = []
+			if builddep.startswith('Build-Depends'):
-		for j in test.stdout.readlines():
+				deps += builddep.strip('\n').strip('Build-Depends: ').strip('Build-Depends-Indep: ').split(', ')
-			if j.startswith("Build-Depend"):
-				deps = j.strip("\n").strip("Build-Depends: ").split(",")
-		depse = []
-		for p in deps:
-			a = p.split("|")	
-			for k in a:
-				depse.append(k)
-		for i in depse:
-			info=i.strip(") ").split("(")
-			if len(info) == 2:	
-				version = info[1].strip(" ")
-			name = info[0].strip(" ")
-			if not packages.has_key(name):
-				find_main(name, version)
 		
-pkg = sys.argv[1]
+		process_deps(deps)
 
-find_main(pkg,0)
 
-for j in packages:
+if __name__ == '__main__':
-	if packages[(j)] == "Not in main":
+	
-		print j + ": "+packages[(j)]
+	# Check if the amount of arguments is correct
+	if len(sys.argv) != 2 or sys.argv[1] in ('help', '-h', '--help'):
+		print "Usage: %s <package name>" % sys.argv[0]
+		sys.exit(1)
+
+	# Global variable to hold the status of all packages
+	packages = {}
+	
+	if subprocess.Popen("dpkg-query -W -f='${Package}' " + sys.argv[1] + " 2>/dev/null", shell=True, stdout=subprocess.PIPE).stdout.read() == '':
+		print "Package «%s» doesn't exist." % sys.argv[1]
+		sys.exit(1)
+	
+	find_main(sys.argv[1])
+	
+	# True if everything checked until the point is in main
+	all_in_main = True
+	
+	for package in packages:
+		if not packages[package]:
+			if all_in_main:
+				print "Following packages aren't in main:"
+				all_in_main = False
+			print '  ', package
+	
+	if all_in_main:
+		print package, "and all its dependencies are in main."

AUTHORS

@@ -3,8 +3,8 @@ Daniel Holbach <daniel.holbach@ubuntu.com>
 Jamin W. Collins <jcollins@asgardsrealm.net>
 Jordan Mantha <mantha@ubuntu.com>
 Luke Yelavich <themuso@ubuntu.com>
-Michael Bienia <geser@ubuntu.com>
 Martin Pitt <martin.pitt@ubuntu.com>
+Michael Bienia <geser@ubuntu.com>
 Kees Cook <kees@ubuntu.com>
 Siegfried-A. Gevatter <siggi.gevatter@gmail.com>
 Soren Hansen <soren@ubuntu.com>

README

@@ -3,7 +3,8 @@
 ================================
 
 404main <package>
-    ... will check in what components the dependencies of <package> are.
+    ... will check if the dependencies and build dependencies of
+    <package> are in 'main' or in another component.
 
 check-symbols <package> [<directory>]
     ... will compare and give you a diff of the exported symbols of all .so 

debian/changelog

@@ -11,9 +11,15 @@ ubuntu-dev-tools (0.23) UNRELEASED; urgency=low
   * update-maintainer: Exit after displaying usage for --help.
 
   [ Siegfried-Angel Gevatter Pujals (RainCT) ]
-  * pbuilder-dist: Move warning about changing $COMPONENTS's value to
+  * pbuilder-dist:
+     - move warning about changing $COMPONENTS's value to
        the right place (it should be displayed if the installed version
        of pbuilder is too old, not otherwise).
+  * dgetlp:
+     - add "-h", "--help" and "--debug" (-d was already there)
+  * 404main:
+     - rewrite most of it; cleanup and improvements
+     - change license to GPLv2+
 
  -- Siegfried-Angel Gevatter Pujals (RainCT) <sgevatter@ubuntu.cat>  Fri, 23 Nov 2007 22:07:58 +0100
 

debian/copyright

@@ -12,6 +12,7 @@ Upstream Author:
 	Kees Cook <kees@ubuntu.com>
 	Siegfried-A. Gevatter <siggi.gevatter@gmail.com>
 	Soren Hansen <soren@ubuntu.com>
+	Steve Kowalik <stevenk@ubuntu.com>
 	Terence Simpson <stdin@stdin.me.uk>
 
 
@@ -28,8 +29,9 @@ Copyright:
 
 Licenses:
 
-check-symbols, dch-repeat, mk-sbuild-lv, pbuilder-dist, pull-debian-debdiff, 
+404main, check-symbols, dch-repeat, dgetlp, mk-sbuild-lv, pbuilder-dist,
-submittodebian, update-maintainer, dgetlp and what-patch are licensed under GPLv2:
+pull-debian-debdiff, submittodebian, update-maintainer, and what-patch
+are licensed under GPLv2:
 
     This package is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -65,5 +67,5 @@ On Debian systems, the complete text of the GNU General Public License v3
 can be found in `/usr/share/common-licenses/GPL-3'.
 
 The following of the scripts can be used, at your option, regarding any
-later version of the previously specified license: pbuilder-dist, dgetlp,
+later version of the previously specified license: 404main, pbuilder-dist,
-suspicious-source, get-build-deps.
+dgetlp, suspicious-source and get-build-deps.

dgetlp

@@ -32,7 +32,7 @@ Example:
 EOF
 }
 
-if [ "$1" = "-d" ]
+if [ $1 ] && [ $1 = "-d" ] || [ $1 = "--debug" ]
 then
 	# Debug Mode
 	GET="echo "${GET}
@@ -40,6 +40,12 @@ then
 	shift
 fi
 
+if [ $1 ] && [ $1 = "-h" ] || [ $1 = "--help" ]
+then
+	usage
+	exit 0
+fi
+
 if [ $# -ne 1 ]
 then
 	usage