Staging
v0.5.0
v0.5.0
https://foss.heptapod.net/mercurial/hgview
Tip revision: 0fdcc033b9b3b62cd94fbbe463670786f500da8e authored by Alain Leufroy on 29 September 2011, 10:54:33 UTC
Added tag hgview-version-1.4.0 for changeset 1576aa8d7b12
Added tag hgview-version-1.4.0 for changeset 1576aa8d7b12
Tip revision: 0fdcc03
application.py
#! /usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2003-2011 LOGILAB S.A. (Paris, FRANCE).
# http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
"""
Application utilities.
"""
import os, sys
from optparse import OptionParser
from mercurial import hg, ui
from mercurial.error import RepoError
from hgviewlib.util import find_repository, rootpath
from hgviewlib.config import HgConfig
class Viewer(object):
"""Base viewer class interface."""
def __init__(self, *args, **kwargs):
raise NotImplementedError(
'This feature has not yet been implemented. Comming soon ...')
class FileViewer(Viewer):
"""Single file revision graph viewer."""
def __init__(self, repo, filename, **kwargs):
super(FileDiffViewer, self).__init__(**kwargs)
class FileDiffViewer(Viewer):
"""Viewer that displays diffs between different revisions of a file."""
def __init__(self, repo, filename, **kwargs):
super(FileDiffViewer, self).__init__(**kwargs)
class HgRepoViewer(Viewer):
"""hg repository viewer."""
def __init__(self, repo, **kwargs):
super(HgRepoViewer, self).__init__(**kwargs)
class ManifestViewer(Viewer):
"""Viewer that displays all files of a repo at a given revision"""
def __init__(self, repo, rev, **kwargs):
super(ManifestViewer, self).__init__(**kwargs)
class ApplicationError(ValueError):
"""Exception that may occures while lunching the application"""
class HgViewApplication(object):
# class that must be instancied
FileViewer = FileViewer
FileDiffViewer = FileDiffViewer
HgRepoViewer = HgRepoViewer
ManifestViewer = ManifestViewer
def __init__(self, repo, opts, args, **kawrgs):
self.viewer = None
if opts.navigate and len(args) != 1:
ApplicationError(
"you must provide a filename to start in navigate mode")
if len(args) > 1:
ApplicationError("provide at most one file name")
self.opts = opts
self.args = args
self.repo = repo
self.choose_viewer()
def choose_viewer(self):
"""Choose the right viewer"""
if len(self.args) == 1:
filename = rootpath(self.repo, self.opts.rev, self.args[0])
if not filename:
ApplicationError("%s is not a tracked file" % self.args[0])
# should be a filename of a file managed in the repo
if self.opts.navigate:
viewer = self.FileViewer(self.repo, filename)
else:
viewer = self.FileDiffViewer(self.repo, filename)
else:
rev = self.opts.rev
if rev:
try:
self.repo.changectx(rev)
except RepoError, e:
ApplicationError("Cannot find revision %s" % rev)
else:
viewer = self.ManifestViewer(self.repo, rev)
else:
viewer = self.HgRepoViewer(self.repo)
self.viewer = viewer
def exec_(self):
raise NotImplementedError()
def start(repo, opts, args, fnerror):
"""
start hgview
"""
config = HgConfig(repo.ui)
if not opts.interface:
opts.interface = config.getInterface()
if opts.interface in ('raw', 'curses'):
from hgviewlib.curses.application import HgViewUrwidApplication as Application
elif opts.interface == 'qt':
from hgviewlib.qt4.application import HgViewQtApplication as Application
else:
fnerror('Unknown interface: "%s"' % opts.interface)
try:
app = Application(repo, opts, args)
except ApplicationError, err:
fnerror(str(err))
sys.exit(app.exec_())
def main():
"""
Main application acces point.
"""
usage = '''%prog [options] [filename]
Starts a visual hg repository navigator.
- With no options, starts the main repository navigator.
- If a filename is given, starts in filelog diff mode (or in
filelog navigation mode if -n option is set).
- With -r option, starts in manifest viewer mode for given
revision.
'''
parser = OptionParser(usage)
parser.add_option('-I', '--interface', dest='interface',
help=('which GUI interface to use (among "qt", "raw"'
' and "curses")'),
)
parser.add_option('-R', '--repository', dest='repo',
help='location of the repository to explore')
parser.add_option('-r', '--rev', dest='rev', default=None,
help='start in manifest navigation mode at rev R')
parser.add_option('-n', '--navigate', dest='navigate', default=False,
action="store_true",
help='(with filename) start in navigation mode')
opts, args = parser.parse_args()
if opts.repo:
dir_ = opts.repo
else:
dir_ = os.getcwd()
dir_ = find_repository(dir_)
try:
u = ui.ui()
repo = hg.repository(u, dir_)
except RepoError, e:
parser.error(e)
except:
raise
parser.error("You are not in a repo, are you?")
start(repo, opts, args, parser.error)
if __name__ == "__main__":
main()