← Back to branch summary

~abentley/bzrtools/bzrtools.dev

« back to all changes in this revision

Viewing changes to fai/command/snap-config.py

  • Committer: Robert Collins
  • Date: 2005-09-13 15:11:39 UTC
  • mto: (147.2.6) (364.1.3 bzrtools)
  • mto: This revision was merged to the branch mainline in revision 324.
  • Revision ID: robertc@robertcollins.net-20050913151139-9ac920fc9d7bda31
TODOification

Show diffs side-by-side

added added

removed removed

Lines of Context:
fai/command/snap-config.py
 
1
# Copyright (C) 2004 Aaron Bentley
 
2
# <aaron.bentley@utoronto.ca>
 
3
#
 
4
#    This program is free software; you can redistribute it and/or modify
 
5
#    it under the terms of the GNU General Public License as published by
 
6
#    the Free Software Foundation; either version 2 of the License, or
 
7
#    (at your option) any later version.
 
8
#
 
9
#    This program is distributed in the hope that it will be useful,
 
10
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
 
11
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
12
#    GNU General Public License for more details.
 
13
#
 
14
#    You should have received a copy of the GNU General Public License
 
15
#    along with this program; if not, write to the Free Software
 
16
#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
17
 
 
18
import sys
 
19
import os
 
20
 
 
21
#ensure that the parent directory is in the path (for epydoc)
 
22
sys.path=[os.path.realpath(os.path.dirname(__file__)+"/..")]+sys.path
 
23
 
 
24
import commands
 
25
import cmdutil
 
26
import arch
 
27
import pylon
 
28
 
 
29
__docformat__ = "restructuredtext"
 
30
__doc__ = "command template"
 
31
 
 
32
class SnapConfig(commands.BaseCommand):
 
33
    """Generates a config using the current tree root"""
 
34
    def __init__(self):
 
35
        self.description = self.__doc__
 
36
 
 
37
#   override get_completer if you want custom completion
 
38
#    def get_completer(self, arg, index):
 
39
#        return cmdutil.iter_dir_completions(arg)
 
40
    def get_tree_pairs(self, dir, show_revision=True):
 
41
        root = arch.tree_root(dir)
 
42
        if show_revision:
 
43
            ver_or_rev = str(pylon.tree_latest(root))
 
44
        else:
 
45
            ver_or_rev = str(root.tree_version)
 
46
        dir_string = dir
 
47
        if dir_string is not None:
 
48
            tree_pairs = [(dir_string, ver_or_rev)]
 
49
        else:
 
50
            tree_pairs = []
 
51
        if dir is not None:
 
52
            dir_spec = (dir,)
 
53
        else:
 
54
            dir_spec = None
 
55
        for child_dir in pylon.iter_inventory_filter(None, dir_spec, 
 
56
                                                     control_files=True,
 
57
                                         categories=(pylon.TreeRootFile,)):
 
58
            tree_pairs.extend(self.get_tree_pairs(child_dir.name, 
 
59
                                                  show_revision))
 
60
        return tree_pairs
 
61
 
 
62
    def do_command(self, cmdargs):
 
63
        parser=self.get_parser()
 
64
        (options, args) = parser.parse_args(cmdargs)
 
65
 
 
66
        if len(args) !=0:
 
67
            raise errors.GetHelp
 
68
        tree_pairs = self.get_tree_pairs(None, 
 
69
                                         show_revision=options.revisions)
 
70
        max_len = 0
 
71
        for dir_string, ver_or_rev in tree_pairs:
 
72
            if len(dir_string) > max_len:
 
73
                max_len = len(dir_string)
 
74
        for dir_string, ver_or_rev in tree_pairs:
 
75
            numtabs=(max_len - len(dir_string)+7)/8+1
 
76
            tabs = ""
 
77
            for i in range(numtabs):
 
78
                tabs+="\t"
 
79
            print "./%s%s%s" % (dir_string, tabs, ver_or_rev)
 
80
        return 0
 
81
 
 
82
    def get_parser(self):
 
83
        parser = cmdutil.CmdOptionParser("snap-config [options]")
 
84
        parser.add_option("--revisions", action="store_true", dest="revisions",
 
85
                          help="Use full revisions, not versions")
 
86
        return parser
 
87
 
 
88
    def help(self, parser=None):
 
89
        """
 
90
        Prints a help message.
 
91
 
 
92
        :param parser: If supplied, the parser to use for generating help.  If \
 
93
        not supplied, it is retrieved.
 
94
        :type parser: cmdutil.CmdOptionParser
 
95
        """
 
96
        if parser==None:
 
97
            parser=self.get_parser()
 
98
        parser.print_help()
 
99
        print """
 
100
Verbose help text goes here.
 
101
"""
 
102
 
 
103
 
 
104
#This function assigns the command class to a user command name
 
105
def add_command(commands):
 
106
    commands["snap-config"] = SnapConfig 
 
107
 
 
108
# arch-tag: 83934814-b626-4653-9874-520abef4642e