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Diffstat (limited to 'libbe/command/diff.py')
| -rw-r--r-- | libbe/command/diff.py | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/libbe/command/diff.py b/libbe/command/diff.py new file mode 100644 index 0000000..967ab14 --- /dev/null +++ b/libbe/command/diff.py @@ -0,0 +1,139 @@ +# Copyright (C) 2005-2010 Aaron Bentley and Panometrics, Inc. +# Gianluca Montecchi <gian@grys.it> +# W. Trevor King <wking@drexel.edu> +# +# 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., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +import libbe +import libbe.bugdir +import libbe.bug +import libbe.command +import libbe.command.util +import libbe.storage + +import libbe.diff + +class Diff (libbe.command.Command): + __doc__ = """Compare bug reports with older tree + + >>> import sys + >>> import libbe.bugdir + >>> bd = libbe.bugdir.SimpleBugDir(memory=False, versioned=True) + >>> io = libbe.command.StringInputOutput() + >>> io.stdout = sys.stdout + >>> ui = libbe.command.UserInterface(io=io) + >>> ui.storage_callbacks.set_storage(bd.storage) + >>> cmd = Diff() + + >>> original = bd.storage.commit('Original status') + >>> bug = bd.bug_from_uuid('a') + >>> bug.status = 'closed' + >>> changed = bd.storage.commit('Closed bug a') + >>> ret = ui.run(cmd, args=[original]) + Modified bugs: + abc/a:cm: Bug A + Changed bug settings: + status: open -> closed + >>> ret = ui.run(cmd, {'subscribe':'%(bugdir_id)s:mod', 'uuids':True}, [original]) + a + >>> bd.storage.versioned = False + >>> ret = ui.run(cmd, args=[original]) + Traceback (most recent call last): + ... + UserError: This repository is not revision-controlled. + >>> ui.cleanup() + >>> bd.cleanup() + """ % {'bugdir_id':libbe.diff.BUGDIR_ID} + name = 'diff' + + def __init__(self, *args, **kwargs): + libbe.command.Command.__init__(self, *args, **kwargs) + self.options.extend([ + libbe.command.Option(name='repo', short_name='r', + help='Compare with repository in REPO instead' + ' of the current repository.', + arg=libbe.command.Argument( + name='repo', metavar='REPO', + completion_callback=libbe.command.util.complete_path)), + libbe.command.Option(name='subscribe', short_name='s', + help='Only print changes matching SUBSCRIPTION, ' + 'subscription is a comma-separated list of ID:TYPE ' + 'tuples. See `be subscribe --help` for descriptions ' + 'of ID and TYPE.', + arg=libbe.command.Argument( + name='subscribe', metavar='SUBSCRIPTION')), + libbe.command.Option(name='uuids', short_name='u', + help='Only print the changed bug UUIDS.'), + ]) + self.args.extend([ + libbe.command.Argument( + name='revision', metavar='REVISION', default=None, + optional=True) + ]) + + def _run(self, **params): + try: + subscriptions = libbe.diff.subscriptions_from_string( + params['subscribe']) + except ValueError, e: + raise libbe.command.UserError(e.msg) + bugdir = self._get_bugdir() + if bugdir.storage.versioned == False: + raise libbe.command.UserError( + 'This repository is not revision-controlled.') + if params['repo'] == None: + if params['revision'] == None: # get the most recent revision + params['revision'] = bugdir.storage.revision_id(-1) + old_bd = libbe.bugdir.RevisionedBugDir(bugdir, params['revision']) + else: + old_storage = libbe.storage.get_storage(params['repo']) + old_storage.connect() + old_bd_current = libbe.bugdir.BugDir(old_storage, from_disk=True) + if params['revision'] == None: # use the current working state + old_bd = old_bd_current + else: + if old_bd_current.storage.versioned == False: + raise libbe.command.UserError( + '%s is not revision-controlled.' + % storage.repo) + old_bd = libbe.bugdir.RevisionedBugDir(old_bd_current,revision) + d = libbe.diff.Diff(old_bd, bugdir) + tree = d.report_tree(subscriptions) + + if params['uuids'] == True: + uuids = [] + bugs = tree.child_by_path('/bugs') + for bug_type in bugs: + uuids.extend([bug.name for bug in bug_type]) + print >> self.stdout, '\n'.join(uuids) + else : + rep = tree.report_string() + if rep != None: + print >> self.stdout, rep + return 0 + + def _long_help(self): + return """ +Uses the storage backend to compare the current tree with a previous +tree, and prints a pretty report. If REVISION is given, it is a +specifier for the particular previous tree to use. Specifiers are +specific to their storage backend. + +For Arch your specifier must be a fully-qualified revision name. + +Besides the standard summary output, you can use the options to output +UUIDS for the different categories. This output can be used as the +input to 'be show' to get an understanding of the current status. +""" |