commit 31c4557a5cb067af563550812335ee990b016074
Author: David Sorber <dsorber@ryft.com>
Date:   Wed Apr 8 09:06:32 2015 -0400

    Made a few more udates to the script and added additional virtual package mappings.

diff --git a/software/apt-tools/get_deps.py b/software/apt-tools/get_deps.py
index 8b4e17b..3c559fb 100755
--- a/software/apt-tools/get_deps.py
+++ b/software/apt-tools/get_deps.py
@@ -7,13 +7,22 @@ import sys
 import apt
 
 # Virtual package mapping
-virtual_mapping = {'awk': 'gawk'}
+virtual_mapping = {'awk':               'gawk', 
+                   'perlapi-5.18.1':    'perl-base',
+                   'perlapi-5.18.2':    'perl-base',
+                   'upstart-job':       'upstart',
+                   'python:any':        'python2.7',
+                   'python3:any':       'python3.4',
+                   'whiptail-provider': 'whiptail'}
 
 def main():
     
     parser = argparse.ArgumentParser(description='Process some integers.')
-    parser.add_argument('-v', '--verbose', action='store_true')
-    parser.add_argument('input_package_files', action='store')
+    parser.add_argument('-v', '--verbose', action='store_true',
+                        help='write additional information to stderr')
+    parser.add_argument('input_package_files', action='store',
+                        help='a comma separated list of files containing '
+                             'package names, one per line')
     args = parser.parse_args()
     
     # Input packages
@@ -31,28 +40,37 @@ def main():
     cache = apt.Cache(memonly=True)
     cache.open()
     
+    # Create a set to hold the names of all packages and their dependencies
     packages = set()
 
     while True:
         try:
             # Grab next package 
-            pkg_name = in_packages.pop()        
-            #~ print('Package: {:s}'.format(pkg_name))
+            pkg_name = in_packages.pop()
+            if args.verbose:    
+                sys.stderr.write('Package: {:s}\n'.format(pkg_name))
+                sys.stderr.flush()
       
+            # Check if the package is in the cache, if not check if it is in
+            # our list of known virtual packages
             if pkg_name not in cache:
                 if pkg_name in virtual_mapping:
                     pkg_name = virtual_mapping[pkg_name]
                 else:
+                    sys.stderr.write('ERROR: unkown package "{:s}"; if this is '
+                                     'a virtual package please add it to the '
+                                     'virtual package mapping\n'.format(pkg_name))
                     continue
       
             # Add this package (with version) to the list of packages
-            if pkg_name not in packages:
-                packages.add(pkg_name)
+            packages.add(pkg_name)
 
             # Get package dependencies
             for pdep in cache[pkg_name].versions[0].dependencies:
                 dep_name = pdep[0].name
-                #~ print('\tDependency: {:s}'.format(dep_name))
+                if args.verbose:
+                    sys.stderr.write('\tDependency: {:s}\n'.format(dep_name))
+                    sys.stderr.flush()
                 if dep_name not in packages:
                     if dep_name in virtual_mapping:
                         dep_name = virtual_mapping[dep_name]